Primitatvve

i installed ubuntu 16.10 , looking install mysql via sudo apt mysql-server mysql-client when received error "mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: no such file or directory." discovered, however, libaio1 had been installed via apt , libaio.so.1 file existed in /lib/x86_64-linux-gnu along libaio.so.1.0.1, /media/ubuntu/casper-rw/upper/lib/x86_64-linux-gnu. i've purged mysql files , databases , retried no success. how install mysql? thanks! try starting on utilizing " lamp " tutorial guide you. sources below pertain ubuntu 16.04. there may new posts ubuntu 16.10. lamp server collection of open source software used create web server. collection consists of: linux – operating system apache server – server mysql – database system php – programming language quote above from: sudojuice to install default lamp stack in ubuntu 10.04 , above install apache, mysql, php (lamp) stack on ubuntu 1...

i dual boot ubuntu 16.04 , windows 10. bizzarely, on each reboot, new uefi boot record ubuntu gets created. $ sudo efibootmgr -v bootcurrent: 0029 timeout: 1 seconds bootorder: 0028,0029,0000,0012 boot0000 windows boot manager hd(2,gpt,afb0f7a3-8d09-4ccf-ad3b-553841c2f4dd,0x96800,0x82000)/file(\efi\microsoft\boot\bootmgfw.efi)windows.........x...b.c.d.o.b.j.e.c.t.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}....g............... boot0012 uefi: (ntfs) seagate bup slim rd pciroot(0x0)/pci(0x1d,0x0)/usb(1,0)/usb(1,0)/hd(4,mbr,0x4294967235,0xa2800800,0x46608000)..bo boot0028* ubuntu pciroot(0x0)/pci(0x1f,0x2)/sata(3,65535,0)/hd(2,gpt,afb0f7a3-8d09-4ccf-ad3b-553841c2f4dd,0x96800,0x82000)..bo boot0029* ubuntu hd(2,gpt,afb0f7a3-8d09-4ccf-ad3b-553841c2f4dd,0x96800,0x82000)/file(\efi\ubuntu\grubx64.efi)..bo above, boot0028 record 1 used point grubx64.efi . on reboot, points pciroot/... , , new record (boot0029 in case) gets created. (the output o...

our laptop had 12.04 lts, , upgraded 14.04 lts. 14.04 version had many errors, had disable further updates. skip year later, laptop crashes , father suggested re-enabling updates. enable them, updating process starts , doesn't end. got around 70% , stopped. used power key shutdown laptop. next day, mother calls me , tells me laptop wouldn't start. go home , try starting it. doesn't start @ all. i had several options , chose revert 12.04. unfortunately, erased files. everything. 3 years worth of work gone in minute. i believe factory reset, not sure. is possible restore of files? thanks! if /home folder along files missing drive it's results of deleted or reformatted partition. had best not use drive while perform steps recover data. a robust application testdisk . using testdisk recover files boot dvd/cd/usb drive not use hdd more. (even better take full copy onto hdd , recover there) install testdisk . (the dollar sign $ command prom...

it's hard work install php5.3 in ubuntu 16.04 lts. tried many times fail every time. , first installed apache2 , installed library file.then downloaded tar file of php-5.3.3 untar it. ./configure . when use make command fail compile it. error was: home/shohan/downloads/sources/php-5.3.3/ext/dom/node.c:1903:21: error: dereferencing pointer incomplete type ‘xmlbuf {aka struct _xmlbuf}’ ret = buf->buffer->use; ^ makefile:545: recipe target 'ext/dom/node.lo' failed make: *** [ext/dom/node.lo] error 1 please me install php5.3 in ubuntu 16.04 lts if possible write in details or provide video tutorial regards a new linux learner.

this question has answer here: how resize partitions? 4 answers want shrink windows partition , increase size of ubuntu one. not find clear answer already, i'm asking this. the easiest way can think of start computer live usb (16.04 or other version). when booting, ensure select try ubuntu (not install it). once boots, load gparted . there, shrink size of windows partition desired. once operation above done increase size of ubuntu partition. once second operation done, reboot hard drive (remove usb). this should trick.

i changed 16.04 16.10 , dismay, can't figure out how reduce desktop icon's size. before open file browser(nautilus) , go preferences , change zoom level effect including desktop icon sizes, can't find option. there way command line or anywhere else? want reduce icon size on desktop. searched on site , other stack related sites couldn't find ubuntu 16.10. of solutions older versions. or there way can download older nautilus version removing current one. don't want re-install 16.04, happened install 16.10 without knowing it's not lts. thanks from launcher, type "nautilus", give file explorer under confusing title "file". then, go edit -> preferences. (do not go file -> properties!) "icon view defaults" , "list view defaults" there; use them. boy, confusing!

i have c shell (unfortunately c required) script called editfile.script consisting entirely of 6 different sed commands, applied 1 text file. #!/bin/csh -f 1i gametime!!!!!!\n #append "gametime!!!!!! @ beginning s/pionts/points/g #sub typo s/shot/shoot/g #sub typo s/the\sthe/the/g #sub double the's "the" /^ *$/d #delete blank lines $a game\nover #append "game over" end of file now text file 400+ lines long , think posting here (and desired form) waste of space. however, when run sed -f editfile.script gamemanual @ cmdline of above commands work except final command. no "game over" appended end of file. believe has preceding "delete blank lines /^ *$/d command- because when ran script removed, "game over" appended. don't see connection. why final sed command in script not show? also, since first time using csh script (and c shell), other additions must make script work? i don't think has c shell - ...

first off, sorry bad english(i'm foreigner...) , i'm relatively new using ubuntu, might asking easy question. on friday, tried update ubuntu 16.04 usual , stuck in middle because internet dropped, [though can't remember stuck @ because busy else.]so closed force. at first there seemed nothing wrong, when went through tty1 see if wrong, there no login usual, strings of endless error messages went fast see going on. decided backup notebook safe, time, stuck when recovering /lib/x86_64-linux-gnu/libbz2.so.1.0.4 turned off, , moment, whenever turn on lab top, instead of usual login page, there black page, frozen quotes... dev/sda11: clean, 380596/6144000 files, 6277962/24551936 blocks that's problem no.1 , major problem when go through tty1 , try fix problem installing or removing, doesn't work @ all. instead, whenever write command has "apt" same messages appear. apt: error while loading shared libraries: /lib/x86_64-linux-gnu/libbz2.so.1.0: f...

i have seen issue on number of sites seems no 1 has answer it. after upgrading 16.04 16.10 chrome , google services crashes. seems happen on upgrade , not on fresh installs. have reinstalled chrome no luck. based on suggestion cleared cache , recreated profile did not help. appreciated. based on suggestion below ran in terminal here results: google-chrome [24829:24861:1027/230234:error:nss_util.cc(809)] after loading root certs, loaded==false: nss error code: -8018 [24829:24829:1027/230234:error:background_mode_manager_aura.cc(13)] not implemented reached in virtual void backgroundmodemanager::enablelaunchonstartup(bool) [24829:24829:1027/230236:error:display_info_provider_aura.cc(31)] not implemented reached in virtual void extensions::displayinfoprovideraura::updatedisplayunitinfoforplatform(const display::display &, extensions::api::system_display::displayunitinfo *) [1,1472897280:03:02:40.977754] native client module loaded @ base address 0x00007d2f00000000 --201...

this question has answer here: what if accidentally run command “chmod -r” on system directories (/, /etc, …) 7 answers while changing directory ownership, accidentally did sudo chown subhadip / instead of sudo chown myapp after realizing mistake, tried fixed few permissions i.e., sudo etc. sudo chown -r root / stopped operation wrong. now getting “the system running in low-graphics mode” error, believe because of wrong permissions only. i able login in console mode. please guide me. to repair personal space, run: $ sudo chown -r $user:$user ~/ for of other applications broken have repair them see problem app. of sysem files owned root , still work. certain services such mysql , apache owned specific user... in case of mysql user mysql . in case of apache default user www-data . there other server programs mig...

i want delete windows 8 , want install ubuntu, told me hard disk needs in gpt mode , have convert hard drive mbr. don't want convert or format whole hard disk. have do? if bios legacy, format hard drive mbr bios or mbr bios/uefi . if uefi, format hard drive gpt uefi.

my kernel loading slow ran a journalctl -b to see wrong , saw kernel spent 4 seconds because ureadhead doesn't find files, as: ott 25 14:01:29 andrea-lenovo-z50-70 ureadahead[255]: ureadahead:/var/lib/polkit-1/localauthority/10-vendor.d/unity-greeter.pkla: no such file o directory or ott 25 13:33:49 andrea-lenovo-z50-70 ureadahead[245]: ureadahead:/usr/sbin/lightdm: no such file or directory (i use gdm , not lightdm) there 10-15 lines that, relatives software don't have on pc. how can tell ureadhead don't start / don't find because don't have them , don't want them? thank you.

i have configured squid cache proxy server on ubuntu server 16.04 working understand things have done except above line of code can briefly tell me mean specially (min % max) part , percentage here ? those 3 options need change. configuration : 'min' time (in minutes) object without explicit expiry time should considered fresh. recommended value 0, higher values may cause dynamic applications erroneously cached unless application designer has taken appropriate actions. 'percent' percentage of objects age (time since last modification age) object without explicit expiry time considered fresh. 'max' upper limit on how long objects without explicit expiry time considered fresh.

i install ubuntu usb prepared uui, says "no bootable device found. insert bootable device , try again." tried exact same thing before on previous laptop , worked fine. laptop hp 15 notebook pc. previous laptop hp 15 notebook pc, had lower specifications. checked , laptop uefi previous one. , appreciated. i fixed downloading rufus (windows), selecting usb , iso ubuntu, , clicked start, , worked wonderfully.

i want know if safe download programs software center , ubuntu software. thank much. ubuntu software (and former software centre) uses apt packages , serve merely graphical interface same thing can apt-get. package in system can potentially have regressions (bugs can cause issues) or security issues, though these fixed on time. it's 2 reasons why recieve updates, , more important why should run supported version of ubuntu , keep date (if security , stability of priority you). don't let worry though, same every os out there , isn't limited linux based oses ubuntu. in addition, when you're browsing web might tempted setup ppa or add repository. whenever you're adding repos not supported or maintained ubuntu run risk of pulling down packages aren't considered "safe", latest version of particular package pulled down repo unless otherwise pinned or package held. these packages unmaintained , have security vulnerabilities, or have regression...

i need sync ipod touch (6th gen) on windows 7 guest using virtualbox on kubuntu machine. in process, ipod not getting detected on windows host. i have installed guest additions on guest os , moreover, ipod detected on kubuntu machine (as 5th gen!). bus 003 device 006: id 05ac:12aa apple, inc. ipod touch 5.gen [a1421] when using ubuntu, issue did not occur , ipod got detected on virtual machine without configuration. is problem kde plasma? possible perform sync? here of details system: os: kubuntu 16.04 (64-bit) kernel version: 4.4.0-45 kde plasma version: 5.6.5 i have tried many virtualbox versions: version 5.1.8-111374 extension pack of same version version 5.0.28-111378 extension pack of same version version 5.0.24-108355 (downloaded discover) extension pack of same version i answering own question have found solution particular problem. after rostislav , discovered none of usb devices being recognized in virtualbox itself! the extension pack install...

suddenly genymotion has stopped working. can't reinstall it. showing error. /genymotion: symbol lookup error: /usr/lib/x86_64-linux-gnu/mesa/libgl.so.1: undefined symbol: drmgetdevice go directory have installed genymotion , remove libdrm.so.2

my friend gave me laptop use university. it's samsung np-x420 has lubuntu 14.04. problem don't know how wifi on laptop. see: desktop lubuntu . i started search around in laptop , clicked on: preferences > network connections. when click on "add", window need choose connection type. click on "wi-fi" , "create". window: wi-fi , don't know do. like, have fill in parameters of wifi network want connect to? how know them, if want use wifi of university? i'm not sure wifi. need install drivers? have use command in terminal? i don't have wired connection @ home, can't connect laptop internet. don't have boot cd/usb/etc... have (very slow) laptop @ home can connect wifi , can use download needed drivers, , put them on usb stick them samsung laptop. i'm not experienced pc's, laptops , such highly appreciate if easy understand , don't use technical terms. if there terms don't understand, of course effort ...

on year ago setup openldap system based on following ubuntu tutorial: https://help.ubuntu.com/lts/serverguide/openldap-server.html now ca certificate expired. tls not working anymore . any ideas how renew certificate? ok found solution ourselves. interested did: apparently forgot set expiration days value , defaulted 365 days. why expired. the openldap server uses paths of ca certificate cacert.pem, private server key (hostname.slapd.pem) , server certificate (signed cacert.pem). means didn't have change openldap configuration. we needed recreate / replace ca certificate. convenience reasons kept private certificate authority key , private server key. we recreated ca certificate using existing private ca key , made sure expiration days value more 1 year. had used template file before , added expiration days line. we recreated server certificate using existing server private key , signed newly created ca certificate step 1. we restarted our slapd servic...

i going ask myself question , answer it. i've been bugged installation of rjava many time , decided put problems in 1 thread , document on stackexchange. i have run export java_home=/usr/lib/... , echo $java_home shows correct location. sudo r cmd javareconf report error "invalid java_home invalid". happened? when run require(rjava) in sudo r , gives "can't load libjvm.so" or "xxx file doesn't exist" error, require(rjava) works in r . follows q2, require(rjava) works in sudo r not in r . the output echo $java_home or echo $ld_library_path run on terminal different ones run in r system("echo $java_home") or system("echo $ld_library_path) . which java should install? had jre installed didn't work. require(rjava) works in terminal r not rstudio server. examine environment settings, i've found export java_home=xxx doesn't work. run cat /etc/environment , check if java_home variable set ...

i have problem ubuntu server (16.10) , network manager. the system freshly installed (an offline install, no ethernet cable attached) , @ first boot plugged cable ethernet port, issued dhclient; apt-get update; apt-get install network-manager , filled file ( /etc/networkmanager/system-connections/ethernetinterface ) data: [802-3-ethernet] auto-negotiate=true mac-address=<<ethernet card mac address>> [connection] id=ethernetinterface uuid=<<randomly generated uuid>> type=802-3-ethernet [ipv6] method=ignore [ipv4] method=manual address1=172.16.20.153,172.16.0.254 dns=8.8.8.8;8.8.4.4; (the ethernet mac , uuid filled). now, enough make pc automatically connect @ boot, now... no way. the nmcli d command outputs network interfaces unmanaged. file /etc/network/interfaces contains loopback device. i tried edit networkmanager.conf file, setting managed=true , without luck. how can enable interface? or how can track problem? best regards edit: ...

i trying compile php 5.3.29 on ubuntu 14.04. getting error - configure: error: jpeglib.h not found. here options.sh : #!/bin/bash # can override config options easily. # create custom options file; may version specific: # - custom-options.sh # - custom-options-5.sh # - custom-options-5.3.sh # - custom-options-5.3.1.sh # # don't touch file here - prevent "svn up" # phpfarm source code. version=$1 vmajor=$2 vminor=$3 vpatch=$4 #gcov='--enable-gcov' configoptions="\ --enable-bcmath \ --with-mysqli \ --with-png \ --with-gd \ --enable-gd-native-ttf \ --enable-calendar \ --enable-exif \ --enable-ftp \ --enable-mbstring \ --enable-pcntl \ --enable-soap \ --with-pdo-mysql \ --enable-sockets \ --enable-sqlite-utf8 \ --enable-wddx \ --enable-zip \ --with-openssl \ --with-jpeg-dir=/usr/lib \ --with-png-dir=/usr/lib \ --with-freetype-dir=/urs/lib \ --with-zlib \ --with-gettext \ --with-mcrypt \ --with-bz2 \ --with-mysql=/usr \ $gcov" echo $version $vmajor...

trying speed system, have ubuntu 16.10, analyze system, checked services slow down, disconnected apt-daily.service automatic check new updates don't need. please explain service responsible click-system-hooks.servic e , whether can deactivated. $ systemd-analyze blame 26.630s apt-daily.service 17.067s click-system-hooks.service sorry bad english, i'm ukraine, looking @ russian forums , not found answer use - click-system-hooks.service , possible disable it. i wondered may on ubuntu installation, had @ service file /lib/systemd/system/click-system-hooks.service : [unit] description=run click system-level hooks documentation=man:click(1) [service] type=oneshot remainafterexit=yes execstart=/usr/bin/click hook run-system restart=no [install] wantedby=multi-user.target so, responsible invoking /usr/bin/click hook run-system . according man-page , click package management tool ubuntu touch and parameters hook run-system mean run system-level hoo...

specifically, when using vlc, gnome videos open sound file, both speakers have same volume. if use of rhymthmbox, banshee or clementine, left speaker volume small. both speakers volume similar when tested test speaker tool in system settings . also, system recognizes them speakers headphones in output device.

after installing microchip's mplab x ide on recent (16.04 or up) ubuntu linux, have fonts in main interface "wrong": cut, , tabs way small readable: i tried change fonts, fonts selectable fonts internal panes, , ok. fixable? yes, can. it's bit hidden though. choose tools -> options on main menu, go appearance tab, look , feel subtab, , choose example "nimbus": restart ide (you prompted program it) , voilà :

when change nvidia graphic card drivers nouveau closed source, tested driver, works fine. right after reboot not past luks auth screen. window stays purple. ttys not loaded yet, , cannot @ terminal. what should return normal usage of ubuntu nvidia drivers, not nouveau? this has helped: installing nvidia-370 seems fix lot, theres bug. solution worked me: https://askubuntu.com/a/843534/600016 now need use recovery image , straight resume everytime, otherwise it'll stop loading @ initial ramdisk -bootloader.

i believe ubuntu have more new users if used more beautiful , more neutral color pattern os x , other linux distributions. why canonical use these colors? the reasoning can seen @ the ubuntu design site : ubuntu core colours the ubuntu colour palette has been created reflect spirit of our brand. orange community feel. white clean, fresh , light feel. black used in versions of brandmark flexibility of application , print restrictions apply. can used body copy. neutral colours warm grey for balance. addition of warm grey softens combination of orange , aubergine , provides bridge between two. warm grey can used for; backgrounds, graphics, pictograms, dot patterns, charts , diagrams. can used large size text. cool grey for typography, particularly body copy. black can quite harsh in combination aubergine, grey delivers more balance while still being legible. cool grey can used within charts , d...

i found these packages out of date , wondering if there way update repo? libv8-3.14-dbg/xenial 3.14.5.8-5ubuntu2 amd64 libv8-3.14-dev/xenial 3.14.5.8-5ubuntu2 amd64 libv8-3.14.5/xenial,now 3.14.5.8-5ubuntu2 amd64 [residual-config] libv8-dev/xenial 3.14.5.8-5ubuntu2 amd64

i'm new user of ubuntu (16.04), , i've install in computer recently. pc have nvidia geforce 920mx, i've tried , pc still choosing intel graphics gpu. looking on other threads i've seen nvidia x server setting should have option called "prime profiles" can choose gpu, option not appear on nvidia x server setting: if can me great. thanks.

i using host ubuntu 16.0.4 system run lxc container. uninstalled pulseaudio wanted use alsa directly. after uninstalling pulseaudio host machine, able play sounds using command 1 below(on host machine): aplay /usr/share/sounds/alsa/rear_right.wav inside lxc container , have installed alsa libs , alsa utils . when use same command above inside container, following errors: alsa lib confmisc.c:768:(parse_card) cannot find card '0' alsa lib conf.c:4248:(_snd_config_evaluate) function snd_func_card_driver returned error: no such file or directory alsa lib confmisc.c:392:(snd_func_concat) error evaluating strings alsa lib conf.c:4248:(_snd_config_evaluate) function snd_func_concat returned error: no such file or directory alsa lib confmisc.c:1251:(snd_func_refer) error evaluating name alsa lib conf.c:4248:(_snd_config_evaluate) function snd_func_refer returned error: no such file or directory alsa lib conf.c:4727:(snd_config_expand) evaluate error: no such file or dire...

this question has answer here: why error 101? how dns involved? 3 answers my ubuntu browsing can not access site, more apt-get update , upgrade giving error shown below, be? sudo apt-get update get:1 http://security.ubuntu.com/ubuntu xenial-security inrelease [94,5 kb] hit:2 http://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial inrelease err:3 http://br.archive.ubuntu.com/ubuntu xenial inrelease cannot initiate connection br.archive.ubuntu.com:80 (2801:82:80ff:8000::5). - connect (101: network unreachable) [ip: 2801:82:80ff:8000::5 80] err:4 http://br.archive.ubuntu.com/ubuntu xenial-updates inrelease cannot initiate connection br.archive.ubuntu.com:80 (2801:82:80ff:8000::5). - connect (101: network unreachable) [ip: 2801:82:80ff:8000::5 80] err:5 http://br.archive.ubuntu.com/ubuntu xenial-backports inrelease cannot initiate...

i wanted compile , install something-for-reddit git. as went ./configure.ac showed below error. ./configure: line 5088: glib_gsettings: command not found ./configure: line 5089: syntax error near unexpected token `1.42.0' ./configure: line 5089: `gobject_introspection_check(1.42.0)' as searched here in stackoverflow, showed me glib_gsettings found in libglib2.0-dev tried install through sudo apt-get install libglib2.0 again threw below error reading package lists... done building dependency tree reading state information... done note, selecting 'libglib2.0-0-refdbg' regex 'libglib2.0' note, selecting 'libglib2.0-cil-dev' regex 'libglib2.0' note, selecting 'libglib2.0-tests' regex 'libglib2.0' note, selecting 'libglib2.0-0-dbg' regex 'libglib2.0' note, selecting 'libglib2.0-bin' regex 'libglib2.0' note, selecting 'libglib2.0-cil' regex 'libglib2.0' note, sel...

i've installed ubuntu 16.04.1 minimal , kodi 16 (jarvis) onto 64-bit amd mobo radeon hd 5000/6000/7350/8350 series video card using these instructions i setup kodi autostart using nopassword user kodi using these instructions . went , kodi runs beautifully displaying on 50" panasonic viera plasma, connected radeon card via hdmi. my problem boot/terminal screen resolution, way overscanned, extent screen extended 10 columns far left of visible screen. iow, in terminal window, cannot see $ prompt or text left of 12-14 characters. i can ssh server , i've tried use xrandr (as root , sudo ), can can't open display . when try change user kodi run xrandr , i'm asked password , system not accept blank password (user kodi has no password). i'm sure need adjust default screen resolution along lines of 1280x720, cannot so. i've read solutions suggest grub config edit, i'm not sure how need go. i've looked @ the x instructions here have no xo...

i trying install ubuntu 16.04 on custom built pc. ( asus x-99 ws motherboard ) ddr4 ram , i'm having issues installing properly. when boot startup usb drive screen flash error 20.469251 edac sbridge: ecc disabled. aborting [20.469251] edac sbridge: couldn't find mci handler the installation process continues after once os installed , boot os has low performance. display takes several seconds respond (over 5-10 seconds respond click!) , screens appear 'wipe' screen during transitions. i have had previous versions of ubuntu on manufactured pc's , haven't had issues during or after installation, feel might related build. any appreciated!!

environment: ubuntu 14.04 proxy i'm following instructions install mono in linux mono-project . i'm trying download key new repository receive keyserver error. tried other servers same result. $ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3fa7e0328081bff6a14da29aa6a19b38d3d831ef executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.txs8wuxe5s --no-auto-check-trustdb --trust-model --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3fa7e0328081bff6a14da29aa6a19b38d3d831ef gpg: requesting key d3d831ef hkp server keyserver.ubuntu.com gpg: keyserver timed out gpg: keyserver receive failed: keyserver error when update repositories gpg errors, , asking not authenticated software $sudo apt-get update ... w: gpg error: http://download.mono-project.com wheezy inrelease: following signatures couldn't verified because public key not...

here /etc/network/interfaces file: auto lo iface lo inet loopback auto wlan0 iface wlan0 inet dhcp wpa-ssid myssidhere wpa-psk mypasshere output of iwconfig : wlp5s0 ieee 802.11abgn essid:off/any mode:managed access point: not-associated tx-power=off retry short limit:7 rts thr:off fragment thr:off power management:off output of iwlist scan: lo interface doesn't support scanning. enp0s31f6 interface doesn't support scanning. wlp5s0 failed read scan data : network down enp4s0 interface doesn't support scanning. output of ls -al /etc/network/interfaces : $ ls -al /etc/network/interfaces -rw------- 1 root root 366 nov 3 17:24 /etc/network/interfaces error: ~$ sudo ifdown wlp5s0 && sudo ifup -v wlp5s0 rtnetlink answers: no such process internet systems consortium dhcp client 4.3.3 copyright 2004-2015 internet systems consortium. rights reserved. info, please visit https://w...

i'm trying install lamp on ubuntu 16.04. had installed, accidentally locked myself out of lamp trying phpmyadmin working, access denied user 'root'@'localhost' whatever try. i thought easiest solution uninstall packages installed lamp working. used sudo apt-get purge uninstall packages installed. i'm installing packages again same error when trying install mysql. try: sudo mysql_secure_installation , asks me password root. tried leaving empty, giving passwords think set root, returns access denied message. trying mysql mysql -u root -p returns access denied message, tried solution creating file create user 'root'@'localhost' identified '<password>'; , running sudo mysqld_safe --init-file=<path_to_file> still receive access denied messages. i'm thinking there file somewhere information, maybe password, needs. tried lot of other solutions nothing seems work. edit: investigated further, , tried starting mys...

i able use remote ssh reboot desktop, different network. after reboot, through ssh, go login screen, need password, computer won't automatically connect internet. not sure how go this, appreciated. also, if helps, using openssh this. thanks, , have one.

solved: turned out problem secure boot, refer solution here " why "required key not available" when install 3rd party kernel modules or after kernel upgrade? " i got dell inspiration 15 , had ubuntu installed on default, updated running following: sudo apt-get update && sudo apt-get upgrade sudo apt-get dist-upgrade it ran fine, finished updating on wifi , asked me restart, after reset, wifi not working , not showing in ifconfig or anywhere. the output of : lspci -nn | grep 280 lsusb rfkill list batee5a@bat335a:~$ lspci -nn | grep 0280 02:00.0 network controller [0280]: intel corporation wireless 3160 [8086:08b3] (rev 83) batee5a@bat335a:~$ lsusb bus 002 device 001: id 1d6b:0003 linux foundation 3.0 root hub bus 001 device 004: id 8087:07dc intel corp. bus 001 device 003: id 0bda:0129 realtek semiconductor corp. rts5129 card reader controller bus 001 device 002: id 1bcf:2b90 sunplus innovation technology inc. bus 001 device 001: id 1d6b:00...

that quite long story. decided upgrade ubuntu 14 lts 16 lts. upgrading fine, until end of process froze , stuck quite long time.. ended restarting (i know, mea culpa). of course didn't boot afterwards, i tried situation live cd. tried reinstall (with option "something else.."), leaving was, wanted save data , settings. said it's installed now, wouldn't boot anyway, claiming kernel panic.. while trying fix it, i've got "no space on disk issue".. filesystem size used avail use% mounted on udev 1,9g 0 1,9g 0% /dev tmpfs 392m 11m 381m 3% /run /dev/sr0 1,5g 1,5g 0 100% /cdrom /dev/loop0 1,4g 1,4g 0 100% /rofs /cow 2,0g 1,8g 119m 94% / tmpfs 2,0g 408k 2,0g 1% /dev/shm tmpfs 5,0m 8,0k 5,0m 1% /run/lock tmpfs 2,0g 0 2,0g 0% /sys/fs/cgroup tmpfs 2,0g 1,5m 2,0g 1% /tmp tmpfs 392m 64k 392m 1% /run/user/999 ...

i relatively inexperienced ubuntu user: time ago updated ubuntu 14.04 lts , after restarting system, both monitors (connected dvi , hdmi ports) reported signal lost. able monitors working again booting old kernel. however, support kernel ended in august 2016 , should find solution works latest kernels. hence, decided upgrade ubuntu 16.04.1 lts lead situation monitors lost signal when installed/boot computer. managed signal screens setting the nomodeset option in grub menu. unfortunately, both monitors show same view not have. does have idea how continuous dual display working again latest kernels? here output of lshw -c video : *-display unclaimed description: vga compatible controller product: xeon e3-1200 v3/4th gen core processor integrated graphics controller vendor: intel corporation physical id: 2 bus info: pci@0000:00:02.0 version: 06 width: 64 bits clock: 33mhz capabilities: msi pm vga_controller bus_master cap_list configuration...

when installed ubuntu 16.10 on new machine (asrock z170 gaming-itx/ac s1151 m-itx intel motherboard intel core skylake processor i5-6500/3.2 ghz processor cpu), got blank screen on first boot. after lot of searching around on web, discovered boot correctly linux using nomodeset on kernel command line. however, limits graphics options xrandr -q reports 1 monitor: xrandr: failed size of gamma output default screen 0: minimum 1024 x 768, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm x 0mm 1024x768 76.00* i've read lots of websites suggesting problem in earlier kernel versions (which need i915.preliminary_hw_support=1 ) , 4.3+ should fine, have: linux mypc 4.8.0-26-generic #28-ubuntu smp tue oct 18 14:39:52 utc 2016 x86_64 x86_64 x86_64 gnu/linux so think shouldn't problem. based on websites i've read, i've tried of following kernel options (and few combinations largely @ random), none have helped: i915.preliminary_hw...

long story short, installing ubuntu on xps 13 (2015) windows on it, screwed , lost windows. fast forward today, have windows back, i'd files ubuntu partition. i'm not comfortable repairing grub (unless that's really surest way). don't want go through having windows break again, , i'm looking way files off ubuntu partition, delete it, , boot windows. minimum fuss. i'll start on dual booting day. i know files are. what's best way me them, best meaning least screw windows 10 on xps 13? i don't know windows had recover files ubuntu. if put cd/usb install of ubuntu , "try ubuntu", should can accede ubuntu partition. have put external hdd or usb , should can recover these files. should can accede windows partition there if want move these files windows partition, shouldn't problem.

for working storage devices need file system, swap space? if doesn't have file system how operating system work it? how data (from ram) written disk, , how accessed again? swap technically doesn't have specific filesystem. whole purpose of filesystem structure data in way. swap partition in particular doesn't have structure, have specific header, created mkswap program. in particular , (taken kernel.org ): 25 union swap_header { 26 struct 27 { 28 char reserved[page_size - 10]; 29 char magic[10]; 30 } magic; 31 struct 32 { 33 char bootbits[1024]; 34 unsigned int version; 35 unsigned int last_page; 36 unsigned int nr_badpages; 37 unsigned int padding[125]; 38 unsigned int badpages[1]; 39 } info; 40 }; each partition has specific code associated it, , according tldp : code ext2 0x83 , linux swap 0x82 when swap file involved, that's diff...

i'm linux gamer, , want screen recorder or video editing software has motion blur effect. want render video smooth gameplay. for screen recording, use kazam application don't know others well. this link should choose for editing software, there blender (if go properties panel, in export tab, there option motion blur) openshot easier video editor , has motion blur effect. saw on forum avidemux has effect i'm not sure.

i have configured raspberry pi 2 ubuntu server 16.04.1, working charm. my issue external hdd not automatically mounted. tried using fstab , uuid, not working. reading on ubuntu server, need usbmount. thing want drive mounted on /media/nas for now, did schedule cron job mount drive. any appreciated. thanks :) edit: [ 23.834487] audit: type=1400 audit(1455208086.487:9): apparmor="status" operation="profile_load" profile="unconfined" name="/usr/lib/lxd/lxd-bridge-proxy" pid=887 comm="apparmor_parser" [ 23.842573] audit: type=1400 audit(1455208086.495:10): apparmor="status" operation="profile_load" profile="unconfined" name="/usr/lib/snapd/snap-confine" pid=888 comm="apparmor_parser" [ 23.842655] audit: type=1400 audit(1455208086.495:11): apparmor="status" operation="profile_load" profile="unconfined" name="/usr/lib/snapd/snap-confine/...

i think may have found cause of problems connecting wifi in ubuntu 11.10. i type in terminal: peter@peter-ao531h:~$ rfkill list 0: phy0: wireless lan soft blocked: no hard blocked: yes 1: acer-wireless: wireless lan soft blocked: yes hard blocked: no peter@peter-ao531h:~$ rfkill unblock peter@peter-ao531h:~$ if correct must unblock of "yes", right? nothing happens when try unblock. typing wrong command? typing "sudo modprobe -r acer_wmi" seem have added problem, can't try click on "enable wireless"-button has been grayed out , "1: acer-wireless: wireless lan" not show anymore in rfkill list. have idea how fix that? edit: rebooted , not grayed out anymore , rfkill list shows as: 0: phy0: wireless lan soft blocked: no hard blocked: no 1: acer-wireless: wireless lan soft blocked: yes hard blocked: no the 0 not hard blocked anymore, guess 1 needs put off soft blocked somehow. "har...

this question has answer here: how make persistent live ubuntu usb more 4gb 5 answers i wanted use ubuntu usb burned iso file using "rufus.exe",, it worked fantastic! there problem is, if installed google chrome browser example, can't find next time boot usb! so how keep install next time boot usb? possible or have install ubuntu side side windows ?? you have create live usb boot drive persistence enabled. see here

i have small bananapi (similar raspberrypi) running ubuntu 14.04 lts , use ftp server inside network. when trying connect server via port 21 using filezilla on bananapi, getting massage status: connecting 127.0.0.1:21... status: connection attempt failed "econnrefused - connection refused server". it's same massage when server not running. in order set updated , upgraded , did following. sudo apt-get install proftpd-basic and selected standalone . sudo nano /etc/proftpd/proftpd.conf and changed ipv6 "off" , servername "bananapi". sudo nano /etc/proftpd/conf.d/proftp-custom.conf where inserted # ftp user doesn't need valid shell <global> requirevalidshell off </global> # default directory ftpusers home defaultroot ~ ftpuser # limit login ftpuser group <limit login> denygroup !ftpuser </limit> and last created user ftpuser sudo adduser ftpuser --shell /bin/fa...

my relatives updated ubuntu , couldn't log after that. after entering password screen blinked black , returned login screen. when saw screen there ubuntu user , guest user. tried ctrl + alt + f1 , tried log in ubuntu user gave me "incorrect login" error password correct. after spending fair amount of time able solve problem want share community. problem 1 user name wasn't ubuntu. home . the second problem ubuntu installed nvidia drivers ati radeon video card. to find user name out booted ubuntu recovery mode selecting in grub menu. , chose root console. typed cut -d: -f1 /etc/passwd from long list of weird usernames made assumption it's home , right. restarted computer ctrl + alt + delete . during login screen pressed ctrl + alt + f1 , logged in home user. by time relatives remembered before update ubuntu said nvidia. knew had ati radeon video card. wiped out nvidia drivers , reinstalled ubuntu-desktop using these commands sudo apt-ge...

i know possible dual-booting mbp ubuntu 16.10 through etching method of disc. don't have disc burn, wondering if possible install ubuntu 16.10 without using method. able tell me if possible , how? thanks help! p.s. don't want use virtualization method, rather dual-booting.

i've tried nouveau drivers, propietary drivers without results. apps (for instance: rocketchat) has terrible rendering effect. problem worst after resume suspend , have dual monitor, occurs when using laptop display (no dual monitor). https://www.youtube.com/watch?v=ugyczw-hioi

while installing ubuntu got warning windows 10 installation in bios mode instead of uefi, hit cancel. after installation resumed , assumed had adapted. chose alongside windows option, worked intended after rebooting windows wasn't option in grub. windows partition still there, in unsafe mode. it might worth mentioning system refused boot bios mode install-drive after making sure bios configured accordingly. highest priority restoring ability boot windows. second priority setting working ubuntu installation alongside windows while maintaining ability.

i assume thought possible, spent whole day trying install cuda 8.0 nvidia's site, , never managed have both x.org graphical desktop working , cuda samples run. it kind of make sense: if graphics card used general computations (cuda) might not available more display windows. if don't computations @ moment; gpu should theoretically able handle actual graphics. supported? cuda support background computation included nvidia proprietary drivers, @ least since 2014 (possibly longer ago that). run background cuda tasks (einstein@home gpu tasks) 24/7 on desktop machine, , don't see interfering in way normal use of machine web browsing, word processing, graphics-intensive games (path of exile, one). i don't recall doing special, other having video card supports 1 or more cuda cores , date nvidia drivers.

i have been running nexus 4 ubuntu touch (mako) rc ( http://system-image.ubuntu.com/ubuntu-touch/rc/ubuntu/mako/ ) last month. it's great overall. this morning got notification update ubuntu touch available. "sweet!" thought, , went ahead , clicked update. phone said needed restart install update. after restarted, saw ubuntu progress bar increasing. left phone , came half hour later backlit black screen. phone didn't respond restarted holding down power button. now phone boots through google boot screen ubuntu splash screen dots. cycles through dots few times screen goes black (still backlit). backlighting responds me clicking screen lock , unlock (power) button. other nothing. i've tried attach laptop (ubuntu gnome 16.10). nautilus sees device when click on mount error unable access "nexus 4" unable open mtp device '[usb:003,006]' the phone still boot recovery without problem. unforunately don't have backup restore (doh!). ...

i have no wifi connections on 13" macbook pro (mid 2010). trying out ubuntu (no install). solutions have seen far require network connection don't have (except wifi when works). broadcom cards still broken in 16.04.1? there other solutions didn't see?

installed 2x4gb ram (ddr3 1600) memtotal 6.4gb according cat /proc/meminfo lspci tells intel hd 4000 uses 256mb dmesg shows 6.4gb recognized when kernel booted. my kernel 4.4.32, 64bit + uefi found no video memory config in lenovo k29 laptop's bios. i tried remove either 1 of rams each time 2.9gb of 4gb can recognized. although have 8gb in total 6.4 recognized in ubuntu 16.04 , 4gb available. does know happened ram? appreciated.

i'm trying enable opengl rendering in libreoffice , can't seem able to. i'm using ubuntu 16.04 , nvidia gtx960 , , nvidia drivers 367.57. symptoms: when opengl enabled (top option) application crashes cryptic error: soffice.bin crashed sigsegv in openglcontext::acquireframebuffer() when pick second option (even if blacklisted) application won't start @ all. is there solution , preventing opengl being enabled?

my laptop has no boot os whatsoever , wanted install ubuntu using usb because disk drive broken. when tried install using usb, usb wont recognize in boot options. know there lot of people problem because before ask research first every 1 had similar problems had answers not use. ask self. i have tried following: 1) have tried booting "usb diskette on key/usb hard disk" in bios boot options. 2) have tried press f9 boot usb there there nothing select. 3) tried boot ethernet due me not knowing doing , me being in library did not work. increase usb's boot priority on bios options. happening things stands, os has higher boot priority usb device. increase usb's boot priority following: switch on computer , depending manufacturer of bios, press either esc , f1 , f2 , f8 or f10 moment pc switches on(note 1 of keys should work, 1 exactly, differ pc pc, depending on bios manufacturer hence suggested above keys). bios setup utility page should appear,...

i have been using same 2tb external hard drive on year , today went plug in , use , not being detected @ all! light on on hard drive thinks it's running. when run sudo fdisk -l i following output: device boot start end blocks id system /dev/sda1 2048 718847 358400 de dell utility /dev/sda2 718848 7010303 3145728 c w95 fat32 (lba) /dev/sda3 * 7010304 468539391 230764544 83 linux /dev/sda4 468541438 500117503 15788033 5 extended /dev/sda5 468541440 500117503 15788032 82 linux swap / solaris i'm starting panic because of work on hard drive, have advice?? because of old ubuntu version??