https://liberty.ioCurated star highlights with fresh energy.en-usTue, 28 Jul 2026 01:30:53 -0400https://liberty.io/graph-created-by-matplotlib-plot-show-closed-automatically-after-the-p.htmlhttps://liberty.io/graph-created-by-matplotlib-plot-show-closed-automatically-after-the-p.htmlI want to plot a graph and keep it even if the script finished. But it failed after I tried many times. After script finished executing, the graph created by the show() method will be closed ...Tue, 28 Jul 2026 05:27:54 -0400https://liberty.io/networkmanager-problem-with-039-cloned-mac-address-039.htmlhttps://liberty.io/networkmanager-problem-with-039-cloned-mac-address-039.htmlMy problem is that at univ. each desktop computer is given a 'fake'/'cloned' MAC address which is recognised by our network and let us in without further authentication/VPN and the likes (don't ask......Tue, 28 Jul 2026 05:26:32 -0400https://liberty.io/realtek-alc-274-sound-card-driver-installation-problem.htmlhttps://liberty.io/realtek-alc-274-sound-card-driver-installation-problem.htmlI installed it a few months ago "Ubuntu Mate 22.04 (Jammy Jellyfish) 64-bit", on my "HP Pavilion AIO 27 D1xxx", everything was well installed and functional except the sound, wh......Tue, 28 Jul 2026 05:21:42 -0400https://liberty.io/steam-counter-strike-1-6-linux-beta-with-optimus-optirun-primusrun.htmlhttps://liberty.io/steam-counter-strike-1-6-linux-beta-with-optimus-optirun-primusrun.htmlI was able to run Sam 3 on nvidia card before. Now they added CS 1.6 but they changed paths. I modified the original command I was using for sam3 but it doesnt work. cd ~/.steam/steam/SteamApps/co......Tue, 28 Jul 2026 05:20:52 -0400https://liberty.io/18-04-playing-dvd-movie-fails-with-error-missing-dvd-ac-3-atsc-a-52-de.htmlhttps://liberty.io/18-04-playing-dvd-movie-fails-with-error-missing-dvd-ac-3-atsc-a-52-de.htmlI just installed Ubuntu 18.04. When I try to play a movie DVD I get an error message that I need to install the dvd ac-3 (atsc a/52) decoder. I can't find this software and instructions on how to ...Tue, 28 Jul 2026 05:19:30 -0400https://liberty.io/rtx-3070-is-not-detected-with-ubuntu-20-04.htmlhttps://liberty.io/rtx-3070-is-not-detected-with-ubuntu-20-04.htmlRecently, I built a PC with the following specs: Intel Core i9-10850K Asus PRIME Z590-P Corsair Vengeance RGB Pro 32 GB DDR4 Kingston A2000 1 TB SSD GeForce RTX 3070 8GB The computer turns on, bo......Tue, 28 Jul 2026 05:03:53 -0400https://liberty.io/gnuplot-will-no-longer-make-dashed-lines-after-upgrading-to-ubuntu-16.htmlhttps://liberty.io/gnuplot-will-no-longer-make-dashed-lines-after-upgrading-to-ubuntu-16.htmlThe title says it all mostly, I can no longer make dashed lines in the Postscript terminal in gnuplot. The script still works if I use gnuplot 4 instead of gnuplot 5. Code follows, set terminal ...Tue, 28 Jul 2026 05:02:48 -0400https://liberty.io/recursive-chown-starting-with-the-directory-above-current-directory.htmlhttps://liberty.io/recursive-chown-starting-with-the-directory-above-current-directory.htmlI couldn't log in to my "admin" account and Alt+Ctrl+F1 showed all my files were owned by my "standard" user. Odd. So I carefully changed to /home/admin and did a sudo chown -R admin:admin * (a......Tue, 28 Jul 2026 05:01:02 -0400https://liberty.io/how-to-fix-incorrect-arrow-issues-in-metatrader-4-running-through-wine.htmlhttps://liberty.io/how-to-fix-incorrect-arrow-issues-in-metatrader-4-running-through-wine.htmlAfter installing Wine and updating to v1.5.24, I installed MetaTrader 4 trading program. But after that I found that the all the arrows in MetaTrader are drawn in an incorrect way. Following ...Tue, 28 Jul 2026 04:53:48 -0400https://liberty.io/user-thom-ives-ask-ubuntu.htmlhttps://liberty.io/user-thom-ives-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Tue, 28 Jul 2026 04:52:27 -0400https://liberty.io/ubuntu-20-04-1-failing-to-install-perl-modules.htmlhttps://liberty.io/ubuntu-20-04-1-failing-to-install-perl-modules.htmlfor example File::Slurp Reading '/root/.cpan/Metadata' Database was generated on Sun, 06 Dec 2020 19:29:03 GMT Running install for module 'File::Slurp' Checksum for /root/.cpan/sources/authors/id......Tue, 28 Jul 2026 04:47:11 -0400https://liberty.io/vcxsrv-full-screen.htmlhttps://liberty.io/vcxsrv-full-screen.htmlI have installed Ubuntu on my windows via wsl. I have followed this guide: https://medium.com/geekculture/how-to-install-the-ubuntu-desktop-with-the-graphical-user-interface-in-wsl2-71f4b78431a4 ...Tue, 28 Jul 2026 04:39:26 -0400https://liberty.io/how-to-change-ubuntu-21-04-orange-color-it-persists-even-after-changin.htmlhttps://liberty.io/how-to-change-ubuntu-21-04-orange-color-it-persists-even-after-changin.htmlI use gnome 3.38.5 on ubuntu 21.04. My tweaks setting: basically i wanna change all the orange colour on ubuntu. for example the border of this research form or those of the monitor preview on the......Tue, 28 Jul 2026 04:32:52 -0400https://liberty.io/ubuntu-18-04-2-install-python2-7-unmet-dependency.htmlhttps://liberty.io/ubuntu-18-04-2-install-python2-7-unmet-dependency.htmlI cannot install python2 on my ubuntu 18.04.2, below are what I did: bo@ubuntu18:~$ sudo apt install python Reading package lists... Done Building dependency tree Reading state information... ...Tue, 28 Jul 2026 04:20:26 -0400https://liberty.io/touchpad-not-working-acer-aspire-e5.htmlhttps://liberty.io/touchpad-not-working-acer-aspire-e5.htmlI bought a new acer aspire E5-521 and installed ubuntu 14.04, but the touchpad doesn't work from the beginning. I already tried xserver-xorg-input-synaptics. It says a newer version is already inst......Tue, 28 Jul 2026 04:19:45 -0400https://liberty.io/how-to-install-emacs-24-3-on-ubuntu.htmlhttps://liberty.io/how-to-install-emacs-24-3-on-ubuntu.htmlThis is my first time using Ubuntu and I dont know how I should install a program on it. I tried using cd the directory where it is and then ./configure it but it is not working!...Tue, 28 Jul 2026 04:05:12 -0400https://liberty.io/can-not-connect-to-public-open-wifi-login-portal-is-not-showing.htmlhttps://liberty.io/can-not-connect-to-public-open-wifi-login-portal-is-not-showing.htmlI am using Ubuntu 17.10 and recently I started having a wifi connection problem at a local ISP (wispotter) hotspots. Normally after connecting to this open wifi, I was redirected to a login portal......Tue, 28 Jul 2026 03:59:44 -0400https://liberty.io/convert-ascii-to-its-decimal-value.htmlhttps://liberty.io/convert-ascii-to-its-decimal-value.htmlThere is online tool that can convert text to ASCII such as this one. Would it be possible to do the same thing in Ubuntu/Linux? E.g. Input data: abc Output as ASCII: 097 098 099...Tue, 28 Jul 2026 03:54:29 -0400https://liberty.io/can-039-t-use-network-printer-via-samba-how-to-debug-the-problem.htmlhttps://liberty.io/can-039-t-use-network-printer-via-samba-how-to-debug-the-problem.htmlI've got a network printer available through samba and I'd like to use it from my Ubuntu 14.04. Unfortunately simply adding it through Printers is not enough. If I try to use it it says: Connection ...Tue, 28 Jul 2026 03:50:05 -0400https://liberty.io/ubuntu-16-04-timezone-changing-to-los-angeles-time-automatically.htmlhttps://liberty.io/ubuntu-16-04-timezone-changing-to-los-angeles-time-automatically.htmlEvery now and then, usually some time at night the system time in Ubuntu 16.04 changes to Los Angeles time. I live in the UK and it is normally set to London. My HP Pavilion DV6 laptop did not rest......Tue, 28 Jul 2026 03:46:25 -0400https://liberty.io/how-to-restart-glibc-services-without-reboot.htmlhttps://liberty.io/how-to-restart-glibc-services-without-reboot.htmlOn the glibc issue, I realize have a serious issue with restarting ubuntu instances running on my network. It will interrupt lots of stuff for me and so I'm looking for an alternative. These ...Tue, 28 Jul 2026 03:43:19 -0400https://liberty.io/toggle-background-opacity-option-in-alacritty.htmlhttps://liberty.io/toggle-background-opacity-option-in-alacritty.htmlI want to bind key that switchs background_opacity value between 0.9 and 1.0 and immedialty shows the result in Alactitty terminal. There is no action in key_bindings for this purpose. I have ...Tue, 28 Jul 2026 03:42:55 -0400https://liberty.io/how-do-i-fix-bin-sh-2-patch-not-found-and-make-lib-libcurl-a-error-127.htmlhttps://liberty.io/how-do-i-fix-bin-sh-2-patch-not-found-and-make-lib-libcurl-a-error-127.htmlcurl-loader is a traffic generator. You can generate HTTP, HTTPS, FTP etc. traffic with it. Add to that, you can simulate multiple clients (multiple source IP addresses). Here’s an explanation of......Tue, 28 Jul 2026 03:14:44 -0400https://liberty.io/is-there-bittorrent-software-that-runs-in-a-terminal.htmlhttps://liberty.io/is-there-bittorrent-software-that-runs-in-a-terminal.htmlI want to deploy it on my VPS server to download resources quickly. This could save me a lot of time since some resources are in a foreign country,...Tue, 28 Jul 2026 03:03:58 -0400https://liberty.io/where-to-get-linux-kernel-039-4-15-0-1053-oem-039-for-lenovo-thinkpad-.htmlhttps://liberty.io/where-to-get-linux-kernel-039-4-15-0-1053-oem-039-for-lenovo-thinkpad-.htmlI'm looking for a specific Linux kernel built by Lenovo: '4.15.0-1053-oem', as detailed in this Ubuntu certification: https://certification.ubuntu.com/hardware/201908-27280 My Dolby microphone doe......Tue, 28 Jul 2026 03:01:31 -0400https://liberty.io/why-is-exit-code-0-a-success-and-1-a-failure.htmlhttps://liberty.io/why-is-exit-code-0-a-success-and-1-a-failure.htmlAs 0 is a boolean false and 1 a true, shouldn't APIs in HTTP return response_code 0 for Success instead of a 1?...Tue, 28 Jul 2026 02:45:39 -0400https://liberty.io/mysql-logrotate-error.htmlhttps://liberty.io/mysql-logrotate-error.htmlI'm new to Linux and have setup a VPS running Ubuntu 16.04 with postfix, dovecot and rouncube using mariadb for the database. It all seem to be working okay but I regularly receive the following em......Tue, 28 Jul 2026 02:45:19 -0400https://liberty.io/xrandr-configure-crtc-1-failed-when-hdmi-monitor-not-detected.htmlhttps://liberty.io/xrandr-configure-crtc-1-failed-when-hdmi-monitor-not-detected.htmlsometimes my PC doesn't detect the display connected on HDMI. Other display, VGA, is always detected and functional. I'm using integraded graphics card (Intel i5-4460 CPU), no separate graphics car......Tue, 28 Jul 2026 02:44:26 -0400https://liberty.io/cannot-dual-boot-windows-after-ubuntu-gpt-partition-issue.htmlhttps://liberty.io/cannot-dual-boot-windows-after-ubuntu-gpt-partition-issue.htmlI have ubuntu 16 running as the main os of my computer. I want to make a partition and dual boot windows 10 along side it. I have an extra hard drive on this computer where i made the extra parti......Tue, 28 Jul 2026 02:31:55 -0400https://liberty.io/high-load-average-number-but-low-cpu-usage-how-to-bring-the-load-down-.htmlhttps://liberty.io/high-load-average-number-but-low-cpu-usage-how-to-bring-the-load-down-.htmlI maintain over a dozen xubuntu (16.04.6) linux servers for my lab. All of them are interconnected via nfs/autofs/ldap services to form a distributed cluster. It has been working fine, but two days......Tue, 28 Jul 2026 02:29:12 -0400https://liberty.io/mysql-database-browsers-not-working-after-upgrade.htmlhttps://liberty.io/mysql-database-browsers-not-working-after-upgrade.htmlI needed version 5.7 of mysql server for a project. I upgraded from version 5.5 to 5.7 using this tutorial. The upgrade was successful and I am able to use the updated version via command line. How......Tue, 28 Jul 2026 02:24:31 -0400https://liberty.io/user-xoid-ask-ubuntu.htmlhttps://liberty.io/user-xoid-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Tue, 28 Jul 2026 02:20:14 -0400https://liberty.io/ethernet-connection-problems-in-xubuntu-14-04-intermittent-packet-loss.htmlhttps://liberty.io/ethernet-connection-problems-in-xubuntu-14-04-intermittent-packet-loss.htmlUPDATE: I have discovered that eth0 did not reset to half-duplex all of the time but only some times. Also, it occasionally appeared to have trouble resolving DNS. Then, I connected the system in ...Tue, 28 Jul 2026 02:18:34 -0400https://liberty.io/ipv6-default-route-not-being-set-netplan-ubuntu-18-04-2-lts.htmlhttps://liberty.io/ipv6-default-route-not-being-set-netplan-ubuntu-18-04-2-lts.htmlAm unable to configure the default route using netplan on an Ubuntu 18.04.2 system. The route works when explicit ip -6 route add ... commands are issued. Privacy extensions have been disabled: /etc/...Tue, 28 Jul 2026 02:13:59 -0400https://liberty.io/successfully-installed-ubuntu-20-04-lts-into-c-windows-partition-but-w.htmlhttps://liberty.io/successfully-installed-ubuntu-20-04-lts-into-c-windows-partition-but-w.htmlI am a newbie for Ubuntu. Existing partitions in windows were - C,D and E. I choose "something else" option while installing Ubuntu from pendrive. In the "installation type" step, I have selected /......Tue, 28 Jul 2026 02:13:58 -0400https://liberty.io/how-to-convert-latex-to-pdf-using-terminal.htmlhttps://liberty.io/how-to-convert-latex-to-pdf-using-terminal.htmlI am trying to convert latex file (.tex) file into pdf format. I tried using pdflatex file_name.tex command from the terminal but terminal asks to enter file name again and again. The commands in the ...Tue, 28 Jul 2026 01:39:56 -0400https://liberty.io/how-can-i-use-thunderbird-local-folders-in-alpine-mail-client.htmlhttps://liberty.io/how-can-i-use-thunderbird-local-folders-in-alpine-mail-client.htmlThe subject says it all. I would like to either share local mail folders between Thunderbird and Alpine mail client, or export a set of Thunderbird local mail folders that I can import into Alpine....Tue, 28 Jul 2026 01:33:04 -0400https://liberty.io/dolphin-emulator-development-version.htmlhttps://liberty.io/dolphin-emulator-development-version.htmli'm trying to setup dolphin emulator on ubuntu, as it was working fine on manjaro. the dolphin stable version is working fine but i need the development version for vulkan support i believe. tried ...Tue, 28 Jul 2026 01:29:18 -0400https://liberty.io/what-is-the-relation-between-alsa-and-pulseaudio-sound-architecture.htmlhttps://liberty.io/what-is-the-relation-between-alsa-and-pulseaudio-sound-architecture.htmlWell, this confuses me for a long time. As far as I know, ALSA is a package of many sound card drivers, and PulseAudio is a audio application that operate the sound data like mixing or equalizer. ......Tue, 28 Jul 2026 01:26:27 -0400https://liberty.io/no-disk-driver-for-os-install-server-16-04-lts-in-hyper-v.htmlhttps://liberty.io/no-disk-driver-for-os-install-server-16-04-lts-in-hyper-v.htmlI'm trying to get 32-bit server 16.04 LTS installed as a Gen 1 VM in Hyper-V and running into an issue I've never had before: the installer cannot find disk drivers, so I can't partition and instal......Tue, 28 Jul 2026 01:24:01 -0400https://liberty.io/start-nagios-web-interface-on-a-different-port.htmlhttps://liberty.io/start-nagios-web-interface-on-a-different-port.htmlI am trying to install nagios but I would like to start the web interface on a port other than 80. I cant seem to find much info on how to do that. Any help is appreciated. Thanks...Tue, 28 Jul 2026 01:12:29 -0400https://liberty.io/grep-a-line-which-start-and-end-with-a-pre-defined-character.htmlhttps://liberty.io/grep-a-line-which-start-and-end-with-a-pre-defined-character.htmlI am trying to fetch a line from a file file.txt which looks like this: >This is line 1.</li> >This is line 2.</li> >This is line 3.</li> >This is line 4.</li> I ...Tue, 28 Jul 2026 01:11:21 -0400https://liberty.io/ffmpeg-script-on-all-files-in-folder.htmlhttps://liberty.io/ffmpeg-script-on-all-files-in-folder.htmlI've seen lots of answers for this. I'm trying to convert all videos in a folder to audio with. for i in *.mp4; do ffmpeg -i "$i" -vn -acodec copy "${i%.*}.aac"; done FFmpeg throws the error: ......Tue, 28 Jul 2026 01:01:10 -0400https://liberty.io/ubuntu-keeps-going-to-log-in-screen-on-oracle-vm-virtualbox.htmlhttps://liberty.io/ubuntu-keeps-going-to-log-in-screen-on-oracle-vm-virtualbox.htmlI installed Ubuntu on an Oracle VM VirtualBox and when I log in, it seems to load, but then goes back to the login screen again. The same problem happens when I "try" or "install," except "try" bri......Tue, 28 Jul 2026 01:00:23 -0400https://liberty.io/ubuntu-server-18-04-lvm-out-of-space-with-improper-default-partitionin.htmlhttps://liberty.io/ubuntu-server-18-04-lvm-out-of-space-with-improper-default-partitionin.htmlI installed Ubuntu Server 18.04 with the LVM option and left the default partition setup. Now my main drive only has 4GB in a 1TB hard drive. How can I fix this without starting from scratch? Resu......Tue, 28 Jul 2026 00:57:55 -0400https://liberty.io/how-do-i-burn-a-dvd-with-more-than-3-8-gb-data.htmlhttps://liberty.io/how-do-i-burn-a-dvd-with-more-than-3-8-gb-data.htmlI use Kubuntu 12.04 with KDE 4.8.3 and wodim / genisoimage 1.1.11, but the problem is on Ubuntu (with Brasero) and occurred in Oneiric as well. Whenever I try to burn more than 3.8GB (approaching ......Tue, 28 Jul 2026 00:50:15 -0400https://liberty.io/what-is-a-full-path-name.htmlhttps://liberty.io/what-is-a-full-path-name.htmlI would like to understand what full path name really means. I have a file in my home directory called my_script. I assumed the full path name is ./my_script, meaning that it is in the root folder,......Tue, 28 Jul 2026 00:44:28 -0400https://liberty.io/sudo-mkdir-p-parent-child-permission-denied.htmlhttps://liberty.io/sudo-mkdir-p-parent-child-permission-denied.htmlThis seems like such a Day 0 problem. I need to create a 2-level folder structure. I tried: sudo mkdir parent/child >>> mkdir: cannot create directory ‘parent/child’: No such file or direc......Tue, 28 Jul 2026 00:42:42 -0400https://liberty.io/how-to-fix-my-local-ip-address-duplicate.htmlhttps://liberty.io/how-to-fix-my-local-ip-address-duplicate.htmlI want my private IP address 192.168.xxx.xxx to be fixed and do not change, Is it possible? I am using Ubuntu 14.04. I need it to work even when I change the network? Thank's...Tue, 28 Jul 2026 00:30:29 -0400https://liberty.io/how-to-change-the-location-that-mongodb-uses-to-store-its-data.htmlhttps://liberty.io/how-to-change-the-location-that-mongodb-uses-to-store-its-data.htmlI edited the MongoDB config file to store it's data in /home/user/data/mongod. But data is still written to the old directory, supposedly because the permissions to the new folder are not granted ......Tue, 28 Jul 2026 00:30:05 -0400https://liberty.io/monitor-on-d-sub-is-missing-resolution.htmlhttps://liberty.io/monitor-on-d-sub-is-missing-resolution.htmlI have two identical monitors 24" iiyama. One connected on DVI one on D-SUB (VGA). The one on digital sees 1920 x 1080 but the analog sees only 1360 x 768 which is too low. On Windows both monitors......Tue, 28 Jul 2026 00:19:35 -0400https://liberty.io/mpd-conflicting-with-other-applications-taking-control-of-pulse.htmlhttps://liberty.io/mpd-conflicting-with-other-applications-taking-control-of-pulse.htmlSimple explanation If mpd is playing and sound attempts to play through another application, x, sound from x will not be output. If sound from another application, x, is playing and mpd then atte......Tue, 28 Jul 2026 00:17:39 -0400https://liberty.io/nat-using-iptables-on-ubuntu-16-04-doesn-039-t-work.htmlhttps://liberty.io/nat-using-iptables-on-ubuntu-16-04-doesn-039-t-work.htmlI used to use Ubuntu 14.04 trusty for our NAT server (build on Google Cloud Platform), but recently I tried to use the Ubuntu 16.04 xenial. I configured perfectly same as I've done in 14.04, but it ...Tue, 28 Jul 2026 00:16:19 -0400https://liberty.io/new-ubuntu-install-to-replace-existing-windows-plex-server.htmlhttps://liberty.io/new-ubuntu-install-to-replace-existing-windows-plex-server.htmlI have an existing Windows 10 machine and I want to cut myself free from the windows cord this weekend. I have installed Ubuntu on quite a few machines already, however, this box has a 6TB hard-drive ...Tue, 28 Jul 2026 00:04:45 -0400https://liberty.io/source-command-not-found.htmlhttps://liberty.io/source-command-not-found.htmlI installed python environment and everything related to that being a user xxx and in group nginx. When I try to activate the environment using the source /path/to/activate being user xxx I can do ......Tue, 28 Jul 2026 00:00:57 -0400https://liberty.io/how-to-integrate-java-web-start-to-browser.htmlhttps://liberty.io/how-to-integrate-java-web-start-to-browser.htmlI have sun-java6-plugin installed on my 10.10 AMD64, and I tested on the Java website that it works with applets. However it doesn't work with web start - I have to download the jnlp file and double ...Mon, 27 Jul 2026 23:56:18 -0400https://liberty.io/how-do-i-adjust-the-instance-size-that-juju-uses.htmlhttps://liberty.io/how-do-i-adjust-the-instance-size-that-juju-uses.htmlI've fired up some of the example instances of Wordpress and MySQL with Juju. A coworker has told me that the default instance size is "small". I'd like to be able to scale this to different sizes on ...Mon, 27 Jul 2026 23:43:59 -0400https://liberty.io/why-600mb-of-browsermetrics.htmlhttps://liberty.io/why-600mb-of-browsermetrics.htmlIn ./chromium/common/chromium/BrowserMetrics, I find over 100 files named like BrowserMetrics-60B60603-3D7326.pma, collectively over 600MB, all dating to the past ~5 days. [That's in addition to ./...Mon, 27 Jul 2026 23:39:43 -0400https://liberty.io/how-can-i-find-out-what-the-settings-in-sys-bus-usb-devices-id-power-m.htmlhttps://liberty.io/how-can-i-find-out-what-the-settings-in-sys-bus-usb-devices-id-power-m.htmlI am trying to hammer out an issue with one of my USB hard drives constantly falling asleep and waking back up. I made my way into /sys/bus/usb/devices/3-4/power .. inside are a number of settings......Mon, 27 Jul 2026 23:33:16 -0400https://liberty.io/map-the-right-shift-button-to-the-left-shift-button.htmlhttps://liberty.io/map-the-right-shift-button-to-the-left-shift-button.htmlLeft Shift button on the keyboard is (physically) broken and doesn't respond, and switching to upper case letters has to be done with Caps Lock, and special characters such as question marks have to ...Mon, 27 Jul 2026 23:32:20 -0400https://liberty.io/039-dconf-reset-f-039-will-this-command-remove-the-data-in-hard-disk-o.htmlhttps://liberty.io/039-dconf-reset-f-039-will-this-command-remove-the-data-in-hard-disk-o.htmlWill the command dconf reset -f / remove data from the hard disk where I've installed Ubuntu?...Mon, 27 Jul 2026 23:28:42 -0400https://liberty.io/permission-denied-publickey-when-using-ssh.htmlhttps://liberty.io/permission-denied-publickey-when-using-ssh.htmlI have Ubuntu 20.04 running in VirtualBox as my control node. I am using AWS EC2 instances (Ubuntu) for my remote servers. Every time I try to ssh into one of my EC2 instances I get " Permiss......Mon, 27 Jul 2026 23:24:39 -0400https://liberty.io/nginx-as-ssh-gateway.htmlhttps://liberty.io/nginx-as-ssh-gateway.htmlI have a server which serves some other systems via LXD, using Nginx as reverse proxy for accessing them on HTTP. Now I want to give shell access to one of them to a friend. In fact, I want to be ......Mon, 27 Jul 2026 23:15:38 -0400https://liberty.io/how-do-i-configure-otrs-to-use-the-itsm-add-on-packages-i-039-ve-insta.htmlhttps://liberty.io/how-do-i-configure-otrs-to-use-the-itsm-add-on-packages-i-039-ve-insta.htmlI've got my OTRS system up and running and I now need to configure it to use the ITSM addons for Asset Management. I've downloaded and installed these packages using the OTRS Package Manager: As f......Mon, 27 Jul 2026 23:04:47 -0400https://liberty.io/wifi-rtl8723be-driver-is-gone-in-ubuntu-20-04.htmlhttps://liberty.io/wifi-rtl8723be-driver-is-gone-in-ubuntu-20-04.htmlWhen I tried to use wifi in my hp laptop after sleep, it was showing netwoks but was not connecting to any of them. So I rebooted the system hoping that problem will be fixed. But it got worse. Now......Mon, 27 Jul 2026 23:03:34 -0400https://liberty.io/apache-setup-directive-requires-additional-arguments.htmlhttps://liberty.io/apache-setup-directive-requires-additional-arguments.htmlI am trying to use an Apache (only localhost). When I do apachectl configtest I get the following response: AH00526: Syntax error on line 238 of /private/etc/apache2/httpd.conf: <Directory> ...Mon, 27 Jul 2026 22:57:46 -0400https://liberty.io/nvidia-geforce-gt630-laggy-in-ubuntu-14-04-specially-flash-player-base.htmlhttps://liberty.io/nvidia-geforce-gt630-laggy-in-ubuntu-14-04-specially-flash-player-base.htmlI was happy with my onboard graphics but I wanted to be able to run some games in this machine from time to time, so I bought a GT630 1GB DDR3 VRAM. When I boot into Windows everything is fine, gam......Mon, 27 Jul 2026 22:51:25 -0400https://liberty.io/the-cleanest-way-to-compile-ubuntu-from-scratch.htmlhttps://liberty.io/the-cleanest-way-to-compile-ubuntu-from-scratch.htmlIntro: I heard Ubuntu is safe because it is open sourced, we can see what code is running on our machine. Although there is source code of the linux kernel and many open source modules, but how cou......Mon, 27 Jul 2026 22:45:57 -0400https://liberty.io/how-to-run-command-in-background-duplicate.htmlhttps://liberty.io/how-to-run-command-in-background-duplicate.htmlI am using this command sudo apt-get update && wget https://minergate.com/download/deb-cli && mv deb-cli minergate-cli-release.deb && sudo apt-get install -y gdebi && ...Mon, 27 Jul 2026 22:40:29 -0400https://liberty.io/can-039-t-connect-to-home-wifi-other-wifis-are-fine.htmlhttps://liberty.io/can-039-t-connect-to-home-wifi-other-wifis-are-fine.htmlI have just installed Ubuntu alongside Windows on my laptop. But I cannot connect to my home wifi (Xiaomi_Wifi in PasteBin). How can I fix this? I can connect to my phone wifi (iPhone von Aaron). I ...Mon, 27 Jul 2026 22:29:19 -0400https://liberty.io/unable-to-use-laptop-keyboard-during-installation.htmlhttps://liberty.io/unable-to-use-laptop-keyboard-during-installation.htmlI'm trying to install Ubuntu 20.04 on a Microsoft Surface laptop to make a dual boot. I've done this many times in the past over the years on different laptops (not the Surface). No matter what I d......Mon, 27 Jul 2026 22:29:10 -0400https://liberty.io/xampp-starting-apache-fail-duplicate.htmlhttps://liberty.io/xampp-starting-apache-fail-duplicate.htmlI installed XAMPP in my Ubuntu laptop and I used to work with it without a problem. Just starting the server with: sudo /opt/lampp/lampp start Then, I tried to install a software that needed an apa......Mon, 27 Jul 2026 22:28:07 -0400https://liberty.io/java-based-windows-app-on-ubuntu.htmlhttps://liberty.io/java-based-windows-app-on-ubuntu.htmlActually I have a portable app on Windows, it's a folder with lot of archives and a executable, it doesn't requires installation. How do I run it on Ubuntu?...Mon, 27 Jul 2026 22:12:39 -0400https://liberty.io/how-to-increase-ubuntu-039-s-virtual-memory-and-or-swap-for-matlab.htmlhttps://liberty.io/how-to-increase-ubuntu-039-s-virtual-memory-and-or-swap-for-matlab.htmlSituation: fix Out of Memory errors in Ubuntu's Matlab Goal: allocate some virtual memory and/or Swap on external HDD/SSD; the read/write decrease from 20 GBps to 0.1 GBps, which is ok! Terminology......Mon, 27 Jul 2026 22:08:28 -0400https://liberty.io/how-do-i-install-backtrack-applications-in-ubuntu-duplicate.htmlhttps://liberty.io/how-do-i-install-backtrack-applications-in-ubuntu-duplicate.htmlPossible Duplicate: Adding Debian Sid as Package Repository? i was just trying to download and install backtrack application but in it's offical site it had the options only for Gnome and KDE,......Mon, 27 Jul 2026 22:04:41 -0400https://liberty.io/fatal-error-gl-glut-h-no-such-file-or-directory.htmlhttps://liberty.io/fatal-error-gl-glut-h-no-such-file-or-directory.htmlI'm attempting to write a program and I keep getting this error: Fatal error: gl/glut.h: no such file or directory I've read through other similar problems that people were having, and nothing has ...Mon, 27 Jul 2026 22:04:07 -0400https://liberty.io/php-fpm-error-log-var-log-fpm-php-www-log-which-system-user-writes-the.htmlhttps://liberty.io/php-fpm-error-log-var-log-fpm-php-www-log-which-system-user-writes-the.htmlPHP-FPM error log /var/log/fpm-php.www.log Which system user writes the file? I have file permission $ sudo chmod 666 /var/log/fpm-php.www.log The file permissions are set to. This file permission ......Mon, 27 Jul 2026 21:56:26 -0400https://liberty.io/why-psycopg2-is-not-able-to-install-in-a-virtual-environment.htmlhttps://liberty.io/why-psycopg2-is-not-able-to-install-in-a-virtual-environment.htmlJust installed ubuntu20.04. Installed python3.10 by sudo apt install python3.10 Then created virtualenv pip install virtualenv virtualenv -p python3.10 venv Now I'm trying to install requirement ......Mon, 27 Jul 2026 21:55:29 -0400https://liberty.io/avro-bangla-keyboard-is-installed-but-not-showing-up-language-selectio.htmlhttps://liberty.io/avro-bangla-keyboard-is-installed-but-not-showing-up-language-selectio.htmlI could successfully installed and used Avro in my previous Ubuntu 18.02. This installation problem arises in Ubuntu 18.04.2 LTS. To install Avro, I am following the instructions from this thread:......Mon, 27 Jul 2026 21:53:41 -0400https://liberty.io/ci-bus-id-and-gpu-id.htmlhttps://liberty.io/ci-bus-id-and-gpu-id.htmlI have 3 graphics cards installed on Ubuntu 16.04, and when I checked the PCI bus IDs by using three different commands; nvidia-smi, lspci | grep VGA, and nvidia-settings 1) and 2) gave the s......Mon, 27 Jul 2026 21:51:20 -0400https://liberty.io/cli-tool-to-shift-timing-of-subtitles.htmlhttps://liberty.io/cli-tool-to-shift-timing-of-subtitles.htmlI'm searching for a command line tool that can shift the timing of a subtitle file (*.srt, *.ass)....Mon, 27 Jul 2026 21:45:22 -0400https://liberty.io/will-i-be-able-to-use-my-ntfs-data-partition-in-ubuntu.htmlhttps://liberty.io/will-i-be-able-to-use-my-ntfs-data-partition-in-ubuntu.htmlMy machine is currently running Windows 7. I have 2 partitions: OS (C:) and DATA (D:). I intend to do a native Ubuntu 14.04 install. Assuming I format my Windows OS partition, will I have full acce......Mon, 27 Jul 2026 21:36:11 -0400https://liberty.io/how-to-print-the-directory-tree-in-terminal.htmlhttps://liberty.io/how-to-print-the-directory-tree-in-terminal.htmlWhat is the command that can be used to draw the directory tree inside the terminal emulator?...Mon, 27 Jul 2026 21:34:16 -0400https://liberty.io/mouse-flickering-after-fresh-install.htmlhttps://liberty.io/mouse-flickering-after-fresh-install.htmlI'm having quite an annoying problem. Just this morning I installed Ubuntu (alongside windows) and I immediately noticed that my cursor is flickering. I searched through askubuntu.com and I found t......Mon, 27 Jul 2026 21:25:29 -0400https://liberty.io/find-mtime-not-working.htmlhttps://liberty.io/find-mtime-not-working.htmlI tried all the suggestions in the article: Script that delete files after 5 days When I run find without the -mtime parameter it finds the files I am looking for. When I add -mtime +2, nothing is ...Mon, 27 Jul 2026 21:16:25 -0400https://liberty.io/how-to-link-lmms-and-ardour5.htmlhttps://liberty.io/how-to-link-lmms-and-ardour5.htmlMy question is how do I LMMS and Ardour5 singing? My goal is to press play/record on Ardour and have LMMS start as well so I can record vocals on Ardour to the song I composed on LMMS. I'm used to ...Mon, 27 Jul 2026 21:10:03 -0400https://liberty.io/how-did-this-exploit-allow-write-access-to-root-owned-files.htmlhttps://liberty.io/how-did-this-exploit-allow-write-access-to-root-owned-files.htmlFor a computer security assignment at my university I need to find and understand an exploit that works on ubuntu 10.04. I have already found and tested one on an Ubuntu 10.04 machine (that I own) ......Mon, 27 Jul 2026 20:55:57 -0400https://liberty.io/interface-error-while-working-with-sql-using-sql-connector.htmlhttps://liberty.io/interface-error-while-working-with-sql-using-sql-connector.htmlI wanted to run my code which uses sqlconnector, but I can't, my code: dbconnection.py import mysql.connector mydb = mysql.connector.connect(host="localhost", user="yusharthsingh",...Mon, 27 Jul 2026 20:45:38 -0400https://liberty.io/ubuntu-server-12-04-2-lts-problem.htmlhttps://liberty.io/ubuntu-server-12-04-2-lts-problem.htmlToday I installed Ubuntu Server 12.04.2 LTS i386 version on my old AMD Athlon 2000+ PC... The thing is I don't have access to internet. I cant even execute sudo apt-get update... An I cant ping www....Mon, 27 Jul 2026 20:43:22 -0400https://liberty.io/rootsmagic-7-6-3-worked-on-wine-4-0-ubuntu-19-10-but-not-on-wine-5-0-u.htmlhttps://liberty.io/rootsmagic-7-6-3-worked-on-wine-4-0-ubuntu-19-10-but-not-on-wine-5-0-u.htmlRootsMagic 7.6.3 is a genealogy software package and worked well using Wine 4.0 on Ubuntu 19.10 (in fact RootsMagic has been working well on Ubuntu 15.04 to 19.10 using the distribution package for......Mon, 27 Jul 2026 20:32:55 -0400https://liberty.io/share-a-local-folder-over-lan-with-cifs.htmlhttps://liberty.io/share-a-local-folder-over-lan-with-cifs.htmlI have a folder (/share, which contains other subfolders and files) which I want it to be shared over my LAN. I've read out there that CIFS (replacing Samba) is the file system adequate to do such ......Mon, 27 Jul 2026 20:31:26 -0400https://liberty.io/error-file-039-grub-i386-pc-normal-mod-039-not-found.htmlhttps://liberty.io/error-file-039-grub-i386-pc-normal-mod-039-not-found.htmlerror: file '/grub/i386-pc/normal.mod' not found. grub rescue> What can I do? I just sit and stare at it. I found my old netbook (Dell Inspiron 1010) which I have not used for about four year......Mon, 27 Jul 2026 20:31:17 -0400https://liberty.io/samsung-galaxy-book-pro-360-wireless-drive.htmlhttps://liberty.io/samsung-galaxy-book-pro-360-wireless-drive.htmlMy new Samsung laptop device has an Intel Corporation Device 2725 (rev 1a) Network Controller. I cannot get the wi-fi interface to work in Ubuntu, it does not appear to be installed. Is this a dr......Mon, 27 Jul 2026 20:24:43 -0400https://liberty.io/sandisk-mobilemate-usb-3-0-reader-0781-cfcb-sddr-b531-not-detected-in-.htmlhttps://liberty.io/sandisk-mobilemate-usb-3-0-reader-0781-cfcb-sddr-b531-not-detected-in-.htmlI am able to use Transcend and Anker microSD card readers without any problems, however the SanDisk MobileMate USB 3.0 Reader is not being detected by lsblk. I'm running Ubuntu 20.04.1 on ODROID-H2......Mon, 27 Jul 2026 20:22:27 -0400https://liberty.io/broken-packages-while-installing-gazebo-8-0-on-ubuntu.htmlhttps://liberty.io/broken-packages-while-installing-gazebo-8-0-on-ubuntu.htmlI am trying to install Gazebo 8.0 simulator for Ubuntu 16.04. I tried the .deb package which gave me this bash script : gazebo8_install.sh : # Description: # This script installs gazebo onto an ......Mon, 27 Jul 2026 20:21:46 -0400https://liberty.io/how-to-make-dm-crypt-ask-for-password-only-once.htmlhttps://liberty.io/how-to-make-dm-crypt-ask-for-password-only-once.htmlI have several raw volumes with cryptsetup-luks containers filled with my data and ubuntu asks me for password for every encrypted volume even when passwords are the same. How to make it to try th......Mon, 27 Jul 2026 20:08:20 -0400https://liberty.io/creating-a-file-but-with-an-specific-name.htmlhttps://liberty.io/creating-a-file-but-with-an-specific-name.htmlSo I have a project which needs to create a list of numbers which then will be sum all together and more, but right now, one of my problems is that that I need to give the user the option to decide......Mon, 27 Jul 2026 20:08:08 -0400https://liberty.io/ubuntu-16-04-slurm-srun-failed-with-intel-mpi.htmlhttps://liberty.io/ubuntu-16-04-slurm-srun-failed-with-intel-mpi.htmlI am trying to install slurm in a cluster running ubuntu 16.04. I am using intel mpi and the installation directory is located at the head node /opt/intel/impi_5.01. According to the slurm instr......Mon, 27 Jul 2026 19:57:37 -0400https://liberty.io/creating-directory-on-cifs-mount-returns-error-but-directory-is-indeed.htmlhttps://liberty.io/creating-directory-on-cifs-mount-returns-error-but-directory-is-indeed.htmlI have mounted an external disk connected to an ASUS router, which implements a Samba server. Everything works just fine except one annoying thing: creating a directory with mkdir returns an error ...Mon, 27 Jul 2026 19:47:43 -0400https://liberty.io/hadoop-not-able-to-find-the-start-dfs-sh-start-mapred-sh-scripts.htmlhttps://liberty.io/hadoop-not-able-to-find-the-start-dfs-sh-start-mapred-sh-scripts.htmlI have installed Hadoop by following this tutorial. I installed it using ppa. When I reached step 12 : Starting Hadoop Cluster. I got stuck. When I do cd ~/tasdik/hadoop/bin/ It says no such ......Mon, 27 Jul 2026 19:39:06 -0400