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ingredients laptop acer aspire v11 touch ubuntu 16.04 (kernel 4.4.0-45) additional driver 'broadcom 802.11 linux sta wireless device' in use lspci -knn | grep net -a2 02:00.0 network controller [0280]: broadcom limited bcm43142 802.11b/g/n [14e4:4365] (rev 01) subsystem : foxconn international, inc. bcm43142 802.11b/g/n [105b:e07e] kernel modules : bcma, wl rfkill list 0: acer-wireless: wireless lan soft blocked: no hard blocked: no 1: acer-bluetooth: bluetooth soft blocked: no hard blocked: no 2: hci0: bluetooth soft blocked: no hard blocked: no issue i cannot see option enable wireless device applet main menu bar. result cannot activate , use wi-fi. research i almost-fully aware of extensive post on installing broadcom wireless drivers , installation not point. however, have followed uninstall/install sequence: sudo apt-get purge bcmwl-kernel-source sudo apt update sudo update pciids sudo apt install firmware-b43-inst...

i have installed new version of matlab , point existing matlab launcher to: /usr/local/matlab/r2016b/bin/matlab what procedure configure launcher point file? open terminal ( ctrl + alt + t ) , type: sudo nano /etc/environment there, have list of paths binary/scripts read. example, if had matlab 2015a, might this: path=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:usr/local/matlab/r2015a/bin you want change last path pint new version (this is, replace r2015a r2016b ). save ( ctrl + o ), exit ( ctrl + x ), , done. more information here , here .

this question has answer here: usb otg in ubuntu touch on nexus 4 1 answer i'm running ota-13 on nexus 4. have y otg cable. when plug power y , y phone, shows power. then, when plug usb thumbdrive usb, doesn't mount nor show activity in syslog. i've read elsewhere should work. problem particular cable, or micro-usb connector on phone, or ? should try? thanks. a y cable has 2 wires: one wire has power & data. the other wire has power only. if plug data device power wire not show in ubuntu. have plug other wire " power & data ". it impossible y cable have 2 data channels.

can please show me how can use/install java applet downloaded work browser (firefox). applet bncapplet.java got link: http://world.std.com/~reinhold/bignumcalc.html i have installed openjdk using: sudo apt-get install openjdk-8-jdk and tried compile by: javac bncapplet.java which gave me loads of error messages mean nothing me. here is: javac bncapplet1.java bncapplet1.java:51: error: class bignumcalc public, should declared in file named bignumcalc.java public class bignumcalc ^ note: bncapplet1.java uses or overrides deprecated api. note: recompile -xlint:deprecation details. note: bncapplet1.java uses unchecked or unsafe operations. note: recompile -xlint:unchecked details. 1 error i sure java program bug-free , should work flawlessly. in case should compiling @ before can use plugin? , how use plugin. update: have installed icedtea suggested byte commander: sudo apt-get install icedtea-8-plugin and checked in firefox preferences , there , active....

after updating 16.10, system settings / details window tells me i'm still running ubuntu 14.04 lts, lsb_release -a command in terminal correctly reports 16.10. what wrong here , how can fix discrepancy?

this question has answer here: how use manual partitioning during installation? 6 answers how install ubuntu? 2 answers how can install ubuntu freshly on laptop? partition windows installed previously, empty right install ubuntu there. should install there boots hard drive not live dvd or usb. right i'm using live ubuntu without installing off of dvd. please procedure install hard drive partition.

i'm new whole ubuntu forum i've seen topic many times before - thing is, of answers i've come across have not worked (e.g nomodeset, console commands, grub stuff ect.) , of posts seem more year ago. problem i'm having getting onto media itself, can onto ubuntu loading dots, after there's message says "can't find usb interrupt point" normal corsair keyboard , mouse, after have problem; start lately says "input not support" (obvious chinese mistranslated on aoc screen it's same) has started happening since got gtx1060 graphics card; used own 660 , had worked fine, since getting graphics card can't seem "try ubuntu" or "install ubuntu" screen. suspect it's default drivers since able boot arch-linux based antergos live usb? strange... answers appreciated. so seem have found reason annoying bug, seems whenever had tried start installer, reason go 1920x1080 60hz down 1920x1080 30hz , smallest resolution ...

i had errors western digital passport ultra 2tb external portable usb disk drive. re-formatted (ntfs) under windows 10. took formatted drive , hooked dell xps developer edition laptop running ubuntu 14.04. able copy multiple directories of files (text files, images, videos, word processor documents) drive. however, after copying files, neither of windows 10 laptops can read drive - including 1 formatted originally. drive still readable ubuntu machine. is possible write external usb drive in ubuntu , read in windows 10?

as of 16.10 (i think), starting gnome terminal causes new icon appear in launcher, dot next it. starting instance causes dot appear. how can prevent behaviour? i remember seeing chrome this, , had manually edit .desktop file avoid second icon. similar work gnome terminal? i'm using version 3.20.2. this happens quite (i reinstall different versions of gnome-terminal). don't know cause of issue, remove old icon (the 1 without "dots") , lock new 1 launcher.

i have 1 quick question - how test data flow in environment? have connection this: topology: i want test data flow server1 server2 through server3 virtual switch. these servers physical. i want test in different environments, ovs, ovs dpdk linux bridge , want see differences between them - traffic generator best? know 1 - iperf. i have seen comparisons in mpps between ovs , ovs dpdk - have seen end result, haven't seen how looked tests. hi , drawing, helps lot. i need clarify - mistake or 1 device in server 2 both sides called "eth2"? haven't seen bridging between e.g. vlans dpdk @ higher level. i'm assuming server 2 has 2 dpdk capable network devices (actually 3 have 1 remaining control). you on server 2 dedicate both network devices dpdk , add them openvswitch. see serverguide examples. there update pending integrate how done ovs/dpdk versions available in yakkety. ovs naturally bridge traffic between 2 ports without further configurati...

certain packages being held @ sudo apt upgrade, namely libnma-common realted mobile , wireless dialogues. investigating further @ sudo aptitude reveals dependency problems, however, not problem itself: is safe upgrade in aptitude? experiences? thanks

after re-installing ubuntu 16.04 on laptop (lenovo g575) there no win10 loading option in grub boot menu. there info got: boot info script cfd9efe + boot-repair info [boot-info 26apr2016] ============================= boot info summary: =============================== => grub2 (v2.00) installed in mbr of /dev/sda , looks @ sector 1 of same hard drive core.img. core.img @ location , looks (,msdos6)/boot/grub. embeds following components: modules --------------------------------------------------------------------------- fshelp ext2 part_msdos biosdisk --------------------------------------------------------------------------- sda1: __________________________________________________________________________ file system: extended partition boot sector type: - boot sector info: sda5: __________________________________________________________________________ file system: swap boot sector type: - boot sector info: sda6: _________________...

i have folder full of audio file .mp3 .amr , .wav extension. have image.jpg. want combine image.jpg every audio file in folder , convert them separate vidoe.mp4 file. how do ffmpge in ubuntu? using ubuntu 14.04. adding sound video straightforward ffmpeg -framerate 60 -i input.png -i input.mp3 -vcodec libx264 -crf 20 -preset medium -acodec aac -vf scale=1280:-2,format=yuv420p output.mp4 -i input.mp3 audio filename -acodec copy copies audio input stream output stream -s output resolution of video basically, change input.png filename of picture, , input.mp3 audio file. finally, alter output.mp4 destination file name want. this simple method doing want, possible script in following way: #! /bin/bash ################################################################### picture="input.jpg" # change file name of picture ################################################################### in *.mp3; ffmpeg -framerate 60 -f image2 -i $picture -i input....

i have broken package system. have tried sudo apt install -f , sudo dpkg --configure -a output of said commands: pyotr@pyotr-275e5e-275e4e:~$ sudo apt-get install -f [sudo] password pyotr: reading package lists... done building dependency tree reading state information... done correcting dependencies... done following packages automatically installed , no longer required: dvgrab ftplib3 libquicktime2 libsdl-image1.2 libtar0 linux-headers-4.4.0-34 linux-headers-4.4.0-34-generic linux-image-4.4.0-34-generic linux-image-extra-4.4.0-34-generic linux-signed-image-4.4.0-34-generic vgrabbj use 'sudo apt autoremove' remove them. following additional packages installed: libc6-dev-i386 following new packages installed: libc6-dev-i386 0 upgraded, 1 newly installed, 0 remove , 103 not upgraded. 3 not installed or removed. need 1 264 kb of archives. after operation, 6 936 kb of additional disk space used. want continue? [y/n] y get:1 http://no.archive.ubuntu.com...

here story: from fresh install of ubuntu use serial usb device. screen /dev/ttyusb0 goes fine , can interact device perfectly. then unplug device, plug 1 (a 3g modem). again screen /dev/ttyusb0 , fine. but then, plug again first device , screen /dev/ttyusb0 , got scrambled ! i supposing whatever reason tty parameters changed. there way ubuntu (or screen) store somewhere ? how can initial settings ? so far tried: rebooting stty sane found it. two screen instance reading /dev/ttyusb0 removing them solved issue. now, looking solution prevent me mistake again: https://serverfault.com/questions/811474/how-to-prevent-screen-to-open-the-same-serial-device-twice

3 days ago updated ubuntu , restarted. my java process, launch phpstorm, go 600% cpu usage , kills pc in 20 second. i on phpstorm 8 java openjdk 8. as test tried swap oracle version same result! then manually removed phpstorm system , updated last version, 10th. still overheating no chance work on it! suggestion? my system is: description: ubuntu 16.04.1 lts release: 16.04 codename: xenial uname -r ----> 4.4.0-45-generic cat /proc/cpuinfo processor : 0 vendor_id : genuineintel cpu family : 6 model : 42 model name : intel(r) core(tm) i7-2630qm cpu @ 2.00ghz stepping : 7 microcode : 0x18 cpu mhz : 832.421 cache size : 6144 kb physical id : 0 siblings : 8 core id : 0 cpu cores : 4 natty@natty-rc730:~$ cpupower frequency-info analyzing cpu 0: driver: intel_pstate cpus run @ same hardware frequency: 0 cpus need have frequency coordinated software: 0 ...

in ubuntu mate 16.04.1 how can change trash rubbish bin system-wide? caja uses trash , rubbish bin, plank uses trash, i've tried other methods, these standard ubuntu, , directory ://trash not ://rubbish.

it sends me login page. think after did software update yesterday. using 14.04. grub2 or bios has changed boot 2nd ssd first (i did not change this). issue may down graphics driver (i have 2 monitors). steps recover machine? nb. have dual boot can access files both hds. not sure why computer booting different hd first. hd had out of date grub version. after running update-grub booting correctly. nb might need try sudo update-grub depending on permissions.

i have upgraded 16.10 16.04. have php5.6 installed , have tried run command in terminal throwing following error: $ drush cc php fatal error: uncaught error: undefined class constant 'mysql_attr_use_buffered_query' when search online how resolve keep finding results tell me enable things php5-mysql extension. have these extensions enabled. does know how can debug , resolve it? though running php5.6 turns out still needed install php 7.0 mysql extension. $ sudo apt-get install php7.0-mysql now seems working fine.

having installed ubuntu 11.10 whole disk encryption , lvm, need provide way users change luks passphrase. preferably, should done using gui tools, thus, enabling novice users perform basic task. i not familiar gui tool cryptsetup tool interact luks. basically afaik luks lets add 8 passphrase slots , can with: sudo cryptsetup -y luksaddkey encrypted_partition sudo cryptsetup luksremovekey encrypted_partition where 0 slot number. guess luks stores slots 0,1,2 etc. recommend careful luks may lock out. please refer manual of cryptsetup . recommend visit other distro irc channel safe before proceed. you may need reboot machine , try new passsphrase before remove key. cryptsetup edit: seems gnome-disk-utility lets change passphrase.

scenario i can see list of kernels have either holding shift on boot or $ dpkg --list | grep linux-image i know can change default boot kernel in /etc/default/grub setting grub_default=n n id kernel. i'm stuck getting corresponding id's kernels. question how can tell kernel corresponds id of 0 , on? in /etc/default/grub: ‘grub_default’ the default menu entry. may number, in case identifies nth entry in generated menu counted zero, or title of menu entry, or special string ‘saved’. using title may useful if want set menu entry default though there may variable number of entries before it. for example, if have (grep -i menuentry /boot/grub/grub.cfg): menuentry 'example gnu/linux distribution' --class gnu-linux { ... } then can make default using: grub_default='example gnu/linux distribution' if set ‘saved’ , default menu entry saved ‘ grub_savedefault ’, grub-set-default, or grub-reboot. the default ‘0’. ‘grub_savede...

there since recent updates process ruining hard discs, every day @ least once , long: su nobody -s /bin/sh -c /usr/bin/find / -ignore_readdir_race \( -fstype nfs -o -fstype nfs -o -fstype nfs4 -o -fstype afs -o -fstype binfmt_misc -o -fstype proc -o -fstype smbfs -o -fstype autofs -o -fstype iso9660 -o -fstype ncpfs -o -fstype coda -o -fstype devpts -o -fstype ftpfs -o -fstype devfs -o -fstype mfs -o -fstype shfs -o -fstype sysfs -o -fstype cifs -o -fstype lustre_lite -o -fstype tmpfs -o -fstype usbfs -o -fstype udf -o -fstype ocfs2 -o -type d -regex '\(^/tmp$\)\|\(^/usr/tmp$\)\|\(^/var/tmp$\)\|\(^/afs$\)\|\(^/amd$\)\|\(^/alex$\)\|\(^/var/spool$\)\|\(^/sfs$\)\|\(^/media$\)\|\(^/var/lib/schroot/mount$\)' \) -prune -o -print0 does knows comes ? disabled else 1 puzzles me. thanks the process seems related mlocate, locate or update.db cron tasks. it seems enough delete jobs in /etc/cron.daily.

im kinda new ubuntu. have problem here. laptop has intel hd graphic after installed ubuntu 12.04 lts cannot control brightness. when go in setting notice os did not reconize "intel hd graphic". tried install ubuntu 14.04 lts , 16.04 lts dont boot black screen. there solution this? wanna use ubuntu 12.04 bad. if there plz give me. love ubuntu impotant me. (sorry if bad english tho)

after upgrading kubuntu 14.04 16.04, i'm unable desktop folder display on desktop. believe correct way is: right click on desktop desktop settings wallpaper layout: folder view however, layout option set "desktop", , "desktop" option disabled, can't change it. how can reenable folder view option? in order enable option "folder view", before doing steps must set option "unlock widgets". click right button in widget, instance have date, , chose "unlock widgets". after that, steps have mentioned shall work.

i have 2 gpus , 3 monitors. nvidia settings shows 3 monitors displays panel shows 2 , xrandr shows 2 connected. see below: screen 0: minimum 8 x 8, current 3840 x 1080, maximum 16384 x 16384 dvi-i-0 disconnected (normal left inverted right x axis y axis) dvi-i-1 disconnected (normal left inverted right x axis y axis) dvi-i-2 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 527mm x 296mm 1920x1080 60.00*+ 59.94 50.00 60.05 60.00 50.04 1600x1200 60.00 1600x900 60.00 1280x1024 75.02 60.02 1280x720 60.00 59.94 50.00 1152x864 75.00 1024x768 75.03 60.00 800x600 75.00 60.32 720x576 50.00 50.08 720x480 59.94 60.05 640x480 75.00 59.94 59.93 dvi-i-3 connected 1920x1080+1920+0 (normal left inverted right x axis y axis 527mm x 296mm 1920x1080 60.00*+ 59.94 50.00 60.05 60.00 50.04 1600x1200 60.00 1600x900 ...

i running latest (everything) of ubuntu , install updates become aware of them. the problem ... have installed 'sweethome3d' when want run, starts , shuts down. have computer running linux mint same thing. what should s/w run on either computer? thank in advance. gary hall you should check out developer's web site , check out q & found version 5.3 beta 8 current bug fix you: ( sweethome3d.com version 5.3 beta 8 ). besides link can @ version 5.3 beta 7.

i adjust backlight. there trying use sudo apt-get install -y xbacklight [sudo] password ubuntu: reading package lists... done building dependency tree reading state information... done xbacklight newest version (1.2.1-1build1). 0 upgraded, 0 newly installed, 0 remove , 2 not upgraded. without success. follows graphic-card , driver: 01:00.0 vga compatible controller [0300]: nvidia corporation g73 [geforce 7600 gt] [10de:0391] (rev a1) kernel driver in use: nouveau kernel modules: nvidiafb, nouveau and here comes current settings brightness , resolution: gamma: 1.0:1.0:1.0 brightness: 1.0 screen 0: minimum 320 x 200, current 1920 x 1200, maximum 4096 x 4096 vga-1 disconnected (normal left inverted right x axis y axis) lvds-1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 470mm x 300mm i deinstalled backlight , using te command: sudo bash -c "echo 1 > /sys/class/backlight/apple_backlight/brightness; to set bakligh...

i have 2 questions on ext4: is there way mount ext4 partition in windows (xp/vista/7) basic read support? if not, there plans support someday? there utility called ext2read browse ext partitions in windows (including ext4 partitions). haven't tried lately. download , execute in windows system. ext2read can read wubi virtual disks. e.g. \ubuntu\disks\root.disk .

i have couple of commands in awk script i'm writing: print "here players , numbers, sorted last name" if(sum[x] > 500) {print x, $2} which outputs: here players , numbers, sorted last name lebron james 23 kevin durant 35 kobe bryant 24 blake griffin 32 dikembe mutumbo 55 how can use sort command in awk script sort players , numbers only? you can add | sort -k2 command. sort alphabetically based on second column. example: $ echo "lebron james 23 kevin durant 35 kobe bryant 24 blake griffin 32 dikembe mutumbo 55" | sort -k2 results in kobe bryant 24 kevin durant 35 blake griffin 32 lebron james 23 dikembe mutumbo 55

i using windows 7 on regular pc. tried install ubuntu on raspberry pi 2 model b , didn't work. downloaded win32diskimager utility , ubuntu-16.04-preinstalled-server-armhf+raspi2, wrote on sd card, , got attached screen , don't know how continue. after pressing ctrl+alt+f2 the guide found user , password.. the login prompt appears before boot process complete, ended screen in boot messages continue after ubuntu server login prompt: sometimes when happens can wait until boot messages stop , blinking cursor, , press enter , fresh login prompt. if doesn't work, try login again new virtual console. open virtual console (tty) using keyboard shortcut ctrl + alt + f2 . at login: prompt type username , press enter . at password: prompt type user password , press enter . if still can't login, run command: sudo reboot console, , maybe working login prompt next time when raspberry pi reboots.

after upgrading ubuntu 14.04 16.04, favourite application stopped playing music error message: ** message: don't know how handle audio/mpeg, mpegversion=(int)1, mpegaudioversion=(int)1, layer=(int)3, rate=(int)44100, channels=(int)2, parsed=(boolean)true pid:17764: (media plugin) processgstevents:273: gst error: not have decoder installed handle file. might need install necessary plugins. pid:17764: (media plugin) processgstevents:273: gst error: internal data flow error. investigation shows codec in gstreamer0.10-plugins-ugly, doesn't exist anymore in 16.04!? there gstreamer1.0-plugins-ugly, application isn't using gstreamer1.0 , doesn't it. how can plugins back? need 'bad' plugins too. note tried installing ubuntu-restricted-extras, didn't help. first tried port application gstreamer1.0, impossible... in end got music working again following: wget http://archive.ubuntu.com/ubuntu/pool/universe/g/gst-plugins-ugly0.10/gst-plugins-...

i'm trying install ubuntu 14.04 live usb beside windows 10; there no grub , boots directly windows. did suggested in other questions no luck. retried install , without /boot partition, did mount thing, still no sign of grub. last things tried these: sudo grub-install --target=i386-pc --force /dev/sda7 sudo grub-install --target=i386-pc --force /dev/sda4 sudo mount /dev/sda7 /mnt sudo grub-install --root-directory=/mnt/ --force /dev/sda sudo mount /dev/sda4 /mnt sudo grub-install --root-directory=/mnt/ --force /dev/sda it shows warning message as: embedding not possible. grub can installed in setup using blocklists. however, blocklists unreliable , use discouraged. and says installation finished; when restart, there still no grub. partitions are: sda7 --> boot sda6 --> home sda5 --> swap sda4 --> / sda2 --> c: sda1 --> windows boot manager (efi) you have disable fast startup in windows: go contr...

i replaced default macos (el capitan) ubuntu 16.10 (on macbook pro 11.1, , backed documents external drive. when migrated documents drive, ended lot of ._ files (including ._ds_store , ._.ds_store , , copies of several documents starting ._ followed original document name. i rid of files. tried bleachbit, 1 apparently finds ._ds_store files, not other types. interested in figuring out way safely delete these ._ duplicates of documents. also, these ._ files scattered around on several different folders , sub-folders, able make system-wide search spot them , delete them, without deleting care about. could recommend best way this? thanks using find , parent, recursively: find . -type f -name '._*' after checking append -delete remove files: find . -type f -name '._*' -delete using bash , parent directory: shopt -s globstar ## enables recursive glob match f in **/._*; [[ -f $f ]] && echo "$f"; done after checking, do:...

i'm trying remove network interface permanently. reason, ifconfig lists eth0 , eth1 , although latter rx/tx metrics remain @ zero. i suspect eth1 entry might causing delays during boot . surprinsgly, a search did not yield answer on how proceed. posts either older versions of ubuntu or debian, or other distros (redhat), or have no permanent effect, or pertain adding interface, or try turn off after it's been started, or unanswered. answer might somewhere after google's thrid result page. removing second entry desktop (up , down arrows, on top bar) has no effect either on ifconfig . edit : actutally have 2 network cards on mb. that's bit of surprise admit. don't have wifi. question still stands, least out of curiosity. krakoukass@durum:~$ ifconfig eth0 link encap:ethernet hwaddr 00:1f:d0:a3:40:d9 inet addr:192.168.1.66 bcast:192.168.1.255 mask:255.255.255.0 inet6 addr: fe80::21f:d0ff:fea3:40d9/64 scope:link br...

this question has answer here: problem installing steam on ubuntu 15.04+ 7 answers steam doesn't start. libgl error [duplicate] 2 answers updated question there no solution till , using 17.04 athul@black-box:~/downloads$ steam running steam on ubuntu 17.04 64-bit steam_runtime enabled automatically installing breakpad exception handler appid(steam)/version(1490228413) libgl error: no matching fbconfigs or visuals found libgl error: failed load driver: swrast athul@black-box:~/downloads$ ld_library_path="$ld_library_path:/usr/lib32/nvidia-340/:/usr/lib/nvidia-340/" steam running steam on ubuntu 17.04 64-bit steam_runtime enabled automatically installing breakpad exception handler appid(steam)/version(1490228413) libgl error: no matching fbconfigs or visuals foun...

i have tiny problem monitor. i'm using ubuntu 16.10, , after upgraded new version of ubuntu, sound stopped working. plugged earbuds monitor, still didn't work. checked alsamixer see if of sounds muted/disabled, none of them were... need asap. if plug earbud directly pc, works.

i running ubuntu gnome 16.04 , chrome flickering (an issue had while using elementary os), read online has hardware acceleration, disabled it. worked , flickers disappeared. surprise, however, weird lines started appear (or more distorting text , images). it's not bad flickering, since doesn't happen often, still annoying. here's image of i'm experiencing:

i'm developing 2 ubuntu packages 1 depends on other. say, foo depends on libfoo . i increment foo , libfoo 's version together. case foo version 1.2.1 depends on libfoo version 1.2.1 . what's standard debian process building libfoo , foo ? do have build , install libfoo before , compile foo ? can have pbuilder somehow understand foo needs libfoo , , install libfoo before compiling foo ? what's best practice case edit on info in question: pbuild natively want - provide proper dsc file. have @ real example version in dependences nmap apt-get source nmap; cat nmap_*.dsc and @ build-depends clause: ... build-depends: debhelper (>= 9), libgtk2.0-dev, dh-autoreconf, flex, bison, libssl-dev, libpcap0.8-dev, libpcre3-dev, binutils-dev, liblinear-dev, python (>= 2.3.5-7), python-all-dev, liblua5.2-dev ... in case need smth like build-depends: libfoo (=1.2.1), flex, bison, ... original post: so, let summarise comments......

all of sudden 1 day computer required me log in before going desktop. put in password, didn't work, , when tried fix problem via command line, command line wouldn't accept password either. i reset password twice, absolutely sure using correct password, still wouldn't accept new password after changed. the method used change password was: mount -o remount,rw / chmod 640 /etc/shadow sudo passwd user when correct password used returns screen and when incorrect password used, returns screen i followed instructions to mount root file-system/chroot in live cd/usb, , try chroot with strace -o login.strace login to see if got different results didn't.

warning: may contain traces of noob! my friend had computer set auto login. since deleted keyring (which never used or set password it) computer going log in screen he's never needed before. when types in password, correct, takes him log in screen. uses ubuntu 14.04. does know how fix this? preferably without having enable keyring in way. thanks!

this question has answer here: problem installing steam on ubuntu 15.04+ 7 answers steam doesn't start. libgl error [duplicate] 2 answers i downloaded steam .deb file official website, after installing with: sudo dpkg -i steam_latest.deb i have found upon trying launch with: steam i error: running steam on ubuntu 16.10 64-bit steam_runtime enabled automatically /bin/bash: /home/<username>/.local/share/steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu/libtinfo.so.5: no version information available (required /bin/bash) grep: symbol lookup error: grep: undefined symbol: pcre_jit_stack_alloc grep: symbol lookup error: grep: undefined symbol: pcre_jit_stack_alloc grep: symbol lookup error: grep: undefined symbol: pcre_jit_stack_alloc awk: /home/<use...

i running simulation software installed using wine when run demo code says "cannot open network adapter: any: don't have permission capture on device(socket: operation not permitted). error screenshot wine compatibility layer allows windows software run under linux. it isn't drivers or other software requiring direct hardware access. simulation software seems require hence cannot open network adapter error message. a similar linux native software needed purpose.

it takes me default /home/username , have of things in desktop directory.. how change it? thinking of making script like: gnome-terminal --working-directory=~/desktop and "associate" keyboard short-cut if possible, above command doesn't work me (it opens terminal in /home/username). i've read this question's first answer don't how should repair bug (i wanted ask elaboration, haven't enough reputation...) . , don't want lose "open in terminal" option when right clicking, adding cd ~/desktop in ~/.bashrc won't work me.... here's possibly want. works me perfectly first need install (other similar programs available too) xbindkeys sudo apt-get install xbindkeys then create default configuration file with xbindkeys --defaults (prints default configuration file) so create configuration files default values run xbindkeys --default > $home/.xbindkeysrc using ctrl+alt+t not recommended in case, since in...

what difference between bash expression type? trying answer question how increment variable in bash, seems ways same. wonder if of them backward compatibility? here's way found can increment variable. work in bash expression type follows replacing expression 1 of these (except last one). var=var+1 var=$((var+1)) var=$((var))+1 var=${var}+1 var=$var+1 var+=1 ++var var++ let expression (( expression )) $(( expression )) ` expression ` seams start new bash environment, inheriting current one, not affect , not support ++var , var++ . if invoke so: `(( expression )); echo $var` so basically, $(( expression )) seems able others can do, last 1 ( ` expression ` ). affect local environment. ((expression)) expression evaluated according rules described below under arithmetic evaluation. if value of expres‐ sion non-zero, return status 0; otherwise return status 1. equivalent let "expression...

ubuntu core / snap has features i'd use base kvm virtualization host. (there's lot of web pages dealing running ubuntu core in kvm, i'd other way round, run kvm in core system). i miss snaps kvm, lvm (for raid disks) or zfs. is there chance have supported or have craft these snaps myself? are there plans support this? ubuntu core make great minimalist, secure hypervisor, yes. think want @ creating specific snap interfaces in snapd enable access hypervisor capabilities of system, once have you'll able make snaps launch vms , attach them networks enough.

i have setup samba share on desktop computer & need access laptop. if use file manager pcmanfm--go--network--windows network--workgroup, (failed retrieve share list server:connection timed out)--(the specified location not mounted). installed samba share using https://help.ubuntu.com/community/how%20to%20create%20a%20network%20share%20via%20samba%20via%20cli%20%28command-line%20interface/linux%20terminal%29%20-%20uncomplicated%2c%20simple%20and%20brief%20way%21 both server & client lubuntu 16.04 lts martyn@martyn-esprimo-mobile-v5535:~$ smbclient -l //192.168.0.13 -u martyn warning: "syslog" option deprecated enter martyn's password: domain=[workgroup] os=[windows 6.1] server=[samba 4.3.11-ubuntu] sharename type comment --------- ---- ------- print$ disk printer drivers shared disk ipc$ ipc ipc service (martyn-m830lu server (samba, ubuntu)) deskjet_1050_j410 printer deskjet_1...

this question has answer here: how set monitor native resolution not listed in resolutions list? 3 answers dp-1 connected primary 1440x900+1920+0 (normal left inverted right x axis y axis) 160mm x 90mm 1440x900 59.89*+ 1920x1080 60.05 60.00 50.04 1280x720 60.00 59.94 50.00 1024x768 60.00 800x600 60.32 720x576 50.00 720x480 59.94 640x480 59.94 this output xrandr -q $ lspci | grep vga 01:00.0 vga compatible controller: nvidia corporation device 1c82 (rev a1) all of resolutions work (are bad looking though), 1 doesn't work (the 1 want) not. no signal monitor when this: xrandr --output dp-1 --mode 1440x900 additional info: $ dpkg -l | grep nvidia ii nvidia-370 370.28-0ubuntu0~gpu16.04.2 amd64 nvidia binary...

i have maas 2.1 setup on ubuntu 16.10 linked local kvm. need deploy 14.04 trusty machine never succeeds. can successfuly deploy 16.04 xenial machines try deploy 14.04 goes failed deployment state. it seems curtin not detect vda disks. have tried many things using sda disks in vm no success. log in maas says kernel install not successful or similar. commissioning works fine uses 16.04 image, 14.04 install starts cannot succeed. hints? thanks. maas logs: node changed status - 'deploying' 'failed deployment' tue, 08 nov. 2016 22:43:38 marking node failed - installation failed (refer installation log more information). tue, 08 nov. 2016 22:43:38 node installation failure - 'curtin' failed: curtin command install tue, 08 nov. 2016 22:43:38 node installation failure - 'curtin' failed: configuring installed system tue, 08 nov. 2016 22:43:35 node installation failure - 'curtin' failed: running 'curtin curthooks' tue, 08 nov. 2016 ...

i ubuntu novice. i've set ssmtp. if run echo "mail test" | sudo ssmtp -vvv xxxxxxxx@domainname.com it works. without sudo doesn't. gives authorization failed 535 incorrect authentication so difference sudo making ? if can resolve bigger problem of why can't shell script work - comes same error. testscript ssmtp.conf :- root=xxxxxxxx@domainname.com mailhub=auth.smtp.vvvvvvv.co.uk usetls=yes fromlineoverride=yes usestarttls=yes authuser=xxxxxxxx@domainname.com authpass=pppppppp rewritedomain=domainname.com authmethod=login tls_ca_file=/home/username/cert.pem testscript shell script #!/bin/sh today=$(date) echo "test script running $today" >> /home/username/documents/testfile.log if ssmtp xxxxxxxx@domainname.com < testscript.txt echo "test script complete" >> /home/username/documents/testfile.log else echo "test script failed" >> /home/username/documents/testfile.log echo "...

i'm running following command: sudo cp /etc/apache2/sites-available/default /etc/apache2/sites-available/projecttest.com and getting following error: cp: cannot stat ‘/etc/apache2/sites-available/default’: no such file or directory what can fix this? check here instead... /etc/apache2/sites-available/000-default.conf if it's still not available, can recreate file default contents. <virtualhost *:80> # servername directive sets request scheme, hostname , port # server uses identify itself. used when creating # redirection urls. in context of virtual hosts, servername # specifies hostname must appear in request's host: header # match virtual host. default virtual host (this file) # value not decisive used last resort host regardless. # however, must set further virtual host explicitly. #servername www.example.com serveradmin webmaster@localhost documentroot /var/www/html # available loglevels: t...

its second question same problems, haven't fix it. have seen people have same problems boot. i'm using ubuntu 14.04. yes, have same black screen after ubuntu loading. can tell how deal it. have reinstall ubuntu, shouldn't upgrade it. tried ten times solve problems, failed. think nvidia update or what. in case conflict between lightdm , nvidia driver lead "password loop" after software update (when lightdm upgraded driver not) uninstalled lightdm, installed gdm (choosed lightdm login manager anyway), uninstalled nvidia driver , rebooted. worked. restore screen resolution had reinstall nvidia driver got newer version didn't conflict gdm/lightdm.

i using ubuntu 14.04 lts 4.4.0-45-generic kernel. graphic card nvidia gk107gl(quadro k600). using nvidia proprietary driver version 367.57. second monitor goes blank after suspend connected via display port. problem disappears using nouveau driver image quality deteriorates. i have attached 2 sys-info screenshot consideration. advise appreciated. in advance. kind regards, rajib

problem: ubuntu 14.04 installation disk ready on usb drive trying install on laptop mint os can't change boot order -> can't boot usb drive what know: can boot usb drive in situation? is there other way initiate installation process other boot usb drive?

i saw bq not sell ubuntu phones (aquaris) anymore, android. there other provider meizu now? thanks. a few days ago read mark shuttleworth's post ( here ) saying canonical not invest more on phone, guess not find more phones. once sell stock, supposed finished.

i have been getting failures when performing software upgrades in lts 16.04 kernel 4.4.0-45-generic. error goes "error! bad return value ... i915 ...". i915 make.log file telling me recipe "/var/lib/dkms/i915-4.3.3-4.2.0/2/build/drivers/gpu/drm/i915/i915_gem.o" , "/var/lib/dkms/i915-4.3.3-4.2.0/2/build" failed. background: had installed intel graphics driver quite while ago fix issues having, per recommendation board ( lightdm crash login ubuntu 15.10 ). i'm guessing driver i'm using dated , perhaps need update driver or maybe remove it, if ubuntu-packaged drivers have fixed original issue. i'm not terribly savvy in ubuntu when comes drivers, i'd confirmation of issue , on how fix (shell commands nice - bash-ninja not). john@john-desktop:/var/lib/dkms/i915-4.3.3-4.2.0/2/build$ sudo lshw -c video [sudo] password john: *-display description: vga compatible controller product: broadwell-u integrated...

recently installed ubuntu 12.10 x64 server edition on pc. unfortunately, attempted install lightweight desktop due fact have old graphics card, pc not perform well. thinking of re-installing ubuntu version not want lose contents in home folder. there way live cd? ever since hardy (ubuntu 8.04) can reinstall ubuntu without losing data in /home without separate /home partition. see https://help.ubuntu.com/community/homefolder https://help.ubuntu.com/community/ubuntureinstallation preserving home when reinstalling ubuntu since hardy, ubuntu can reinstalled while preserving home without separate /home: see ubuntureinstallation. few people know it, since hardy it's possible reinstall ubuntu without losing content of /home folder (which contains program settings, internet bookmarks, emails... , documents, music, videos have put in it). even if /home not on separate partition of course, should have backup of data.

problem installing ubuntu 16.10 iso keep getting message this virtual machine, using vmware thats not error ubuntu boot disk. that's pxe boot message. it means boot order not allowing computer boot disk first, instead trying boot network. i'd suggest changing boot order in bios. alternatively, computers in recent years have key can hit during boot offer boot menu. most frequently, it's f12 key.

i'm running ubuntu 16.04 external hard drive , have not had issues until now. while attempting boot, get... ext4-fs error (device sdb1): __ext4_get_inode_loc:4077: inode #262150: block 1048608: comm dubs-daemon: unable read itable block can explain going on , me solve issue? in advance.

i've been googling in vain turn general explanation of how cron , anacron work together. man pages bit deep of dive me @ point. i confused because add tasks crontab, , works, when delete them out of crontab, still run under anacron. see tasks in /etc/cron.daily, not sure how got there. cron running on system always, not anacron. in fact, see anacron started cron! basically i'd user-level intro on how add , remove tasks, since googleable answers tell edit crontab not complete. link tutorial fine. both cron , anacron daemons can schedule execution of recurring tasks point in time defined user. the main difference between cron , anacron former assumes system running continuously. if system off , have job scheduled during time, job never gets executed. on other hand anacron 'anachronistic' , designed systems not running 24x7. work anacron uses time-stamped files find out when last time commands executed. maintains file /etc/anacrontab cron ...

so few days ago, i found add folders in system, add them through grub2 , boot there. kinda want same thing system in gpt format , mini not support uefi boot , all. kind of modification should add grub2? can on this? thanks! you have edit '/etc/grub.d/40_custom' script of text editor root. add in file: menuentry “ubuntu 14.04 iso” { set isofile=”/home/name/downloads/ubuntu-14.04.1-desktop-amd64.iso” loopback loop (hd0,1)$isofile linux (loop)/casper/vmlinuz.efi boot=casper iso-scan/filename=${isofile} quiet splash initrd (loop)/casper/initrd.lz } then 'sudo update-grub' remember use correct path , name of iso. select iso grub boot menu. also, it's best backup 40_custom script separate location, in case need restore it. sorry ill formatted response, typing phone. i have no access computer sometime. please bear me. requesting peers here edit please.

having issue macpro 2008 after tried upgrading 14.04 lts 16.04 lts. the initial thing noticed have having issue mounting lvm volumes, commented out in /etc/fstab i used graphical login screen before upgrade, terminal when boots up. after login if run startx i'm presented looks unity or gnome, displays desktop had before, , black x mouse pointer. i'm able right click , open terminal there, , can select files on desktop, can't bring launcher , there no task bar. i'd working can take @ lvm issues, idea of how fix this? update: i've found if run compiz title bar on windows back, , i'm able drag around, warning warn: no default decoration found, placement not correct . update 2: if run unity launcher back. none of comes automatically, noticed clock missing. i've got unity running appears can open ccsm , must dependency. update 3: got webmin, , says i'm still running ubuntu 14.04.2, inconsistent splash login terminal reads 16.04. ...

i'm trying hashcat running, seem having issues. i'm following guide ubuntu: https://techglimpse.com/password-cracking-with-hashcat/ using installer: https://hashcat.net/files/hashcat-3.10.7z in addition guide, did: install ocl-icd-libopencl1 apt-get update && sudo apt-get upgrade i error on included example files: root@ip-139-28-11-15:~/new/hashcat-3.10# hashcat example0.hash example.dict hashcat (v3.10) starting... generating bitmap tables 16 bits... error: clgetplatformids(): cl_unknown_error my os is: linux ip-139-28-11-15 3.13.0-57-generic #95-ubuntu smp fri jun 19 09:28:15 utc 2015 x86_64 x86_64 x86_64 gnu/linux i don't know do. help? intel cpus require opencl runtime intel core , intel xeon processors (16.1.1 or later). download , install opencl™ runtime latest intel website. ignore compatibility warning. source: https://youtu.be/aieyqnq6adm

i have thinkpad x1 (1st gen) running ubuntu (previously on 14.04) it has multimedia buttons on side for: xf86launch1, xf86audiomute, xf86audioraisevolume, xf86lowervolume , xf86audiomicmute. used work fine in 14.04, extent little orange light inside 'mute' key come on when muted , turn off when not. i upgraded 16.04 , none of them worked anymore. i realized getting grabbed (but not used by) keyboard shortcuts accessible gnome-control-center or unity-control-center. when turned off keyboard shortcuts media keys, able see keycodes xev, , hence able use xbindkeys hack of solution. all except input mute, still isn't working. check acpi_listen , see that buttonpress being registered, other media keys, when press it, see: (gnome-settings-daemon:14711): glib-gio-warning **: dropping signal acceleratoractivated of type (uuu) since type expected interface (ua{sv}) when kill gnome-settings-daemon can see input mute key in xev , grab needed. how can keep gnome-sett...

i'm experiencing continuous file corruption problems have run fsck every time start ubuntu 16.04. :( :( :( recently, bought second new 1tb hard disk , reinstalled everything. after few days problem again there... system boots not usable (today i've got lot of folders mounted in read-only mode...) i've made checks trying detect hardware problem (memtest, prime95, gsmartcontrol, bios upgrade, etc) didn't find fault. temperature of teh cpu quite stable. could adopted partitioning problem? disk /dev/sda: 931,5 gib, 1000204886016 bytes, 1953525168 sectors units: sectors of 1 * 512 = 512 bytes sector size (logical/physical): 512 bytes / 4096 bytes i/o size (minimum/optimal): 4096 bytes / 4096 bytes disklabel type: dos disk identifier: 0x583cc96a device boot start end sectors size id type /dev/sda1 * 2048 7999487 7997440 3,8g 82 linux swap / solaris /dev/sda2 8001534 1953523711 1945522178 927,7g 5 extended /dev/sda5 ...