https://liberty.ioCurated star highlights with fresh energy.en-usThu, 16 Jul 2026 04:57:46 -0400https://liberty.io/can-039-t-ping-ubuntu-laptop-from-my-lan.htmlhttps://liberty.io/can-039-t-ping-ubuntu-laptop-from-my-lan.htmlMy laptop has Ubuntu 10.10 and is connected to my router with full internet access, yet I can't ping it from other computers on my LAN. I tried the following: I can successfully ping those other ...Thu, 16 Jul 2026 08:53:40 -0400https://liberty.io/wireless-configuration-using-etc-network-interfaces-documentation.htmlhttps://liberty.io/wireless-configuration-using-etc-network-interfaces-documentation.htmlI followed the tutorial here and was able to properly configure my network: http://ubuntuforums.org/showthread.php?t=202834&page=181 I know of the documentation in /usr/share/doc/wireless-tools/...Thu, 16 Jul 2026 08:53:01 -0400https://liberty.io/user-ck-reddy-ask-ubuntu.htmlhttps://liberty.io/user-ck-reddy-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Thu, 16 Jul 2026 08:48:21 -0400https://liberty.io/is-there-a-start-menu-with-a-search-box-similar-to-the-one-in-windows-.htmlhttps://liberty.io/is-there-a-start-menu-with-a-search-box-similar-to-the-one-in-windows-.htmlAt the moment even I'm using Natty version of Ubuntu, my virtualbox machine auto change the UI of startmenu that I would find the searchbox any more. I'm looking for way to search & execute ...Thu, 16 Jul 2026 08:38:55 -0400https://liberty.io/error-while-trying-to-install-zsteg.htmlhttps://liberty.io/error-while-trying-to-install-zsteg.htmlWhile trying to install zsteg on Ubuntu Server (Linux 4.8.0-49-generic x86_64) I encounter the following error: $ sudo gem install zsteg Building native extensions. This could take a while... ERR......Thu, 16 Jul 2026 08:33:51 -0400https://liberty.io/ubuntu-12-10-no-usb-sound-output-for-audiolab-q-dac.htmlhttps://liberty.io/ubuntu-12-10-no-usb-sound-output-for-audiolab-q-dac.htmlRecently I upgraded my sound system from using mobo's internal audio output to USB2.0 by connecting to a USB DAC (Audiolab Q-DAC). The first time connecting the UBUNTU 12.10 to USB DAC was successf......Thu, 16 Jul 2026 08:32:52 -0400https://liberty.io/a-script-on-this-page-may-be-busy-or-it-may-have-stopped-responding-ev.htmlhttps://liberty.io/a-script-on-this-page-may-be-busy-or-it-may-have-stopped-responding-ev.htmlWhenever I wake up my laptop after a few hours or more have past, the laptop takes a minute or more to wake up, making a lot of noise calculating something, and when finally it starts becoming some......Thu, 16 Jul 2026 08:30:46 -0400https://liberty.io/is-it-possible-to-mirror-the-apt-repositories.htmlhttps://liberty.io/is-it-possible-to-mirror-the-apt-repositories.htmlI am a student at Case Western Reserve University, and the bandwidth from the Ubuntu servers to my location is often horrendously bad (on the order of a few hundred bytes per second). Myself and a ......Thu, 16 Jul 2026 08:29:33 -0400https://liberty.io/adb-command-not-found-after-installed-it.htmlhttps://liberty.io/adb-command-not-found-after-installed-it.htmlI have install adb from terminal. But when I type "adb version" it's not found. Can anyone help me about this problem?...Thu, 16 Jul 2026 07:56:32 -0400https://liberty.io/bash-syntax-error-near-unexpected-token-039.htmlhttps://liberty.io/bash-syntax-error-near-unexpected-token-039.htmlI am trying to download flareget download manager via wget I get error wget http://www.flareget.com/files/flareget/debs/amd64/flareget_2.3-24_amd64(stable)_deb.tar.gz bash: syntax error near unex......Thu, 16 Jul 2026 07:56:10 -0400https://liberty.io/duplicate-options-exporting-nfs-share-ubuntu-16-04.htmlhttps://liberty.io/duplicate-options-exporting-nfs-share-ubuntu-16-04.htmlJust tried to experiment a little with the issue described below. Deleted "rw" and "no_root_squash" options from the "/etc/exports" entry. In the output of "exportfs -v" I now see "ro" and "root_sq......Thu, 16 Jul 2026 07:45:19 -0400https://liberty.io/how-to-add-page-numbers-to-output-when-converting-epub-file-via-comman.htmlhttps://liberty.io/how-to-add-page-numbers-to-output-when-converting-epub-file-via-comman.htmlI have an epub file and want to convert it into a PDF file. I am using ebook-convert as suggested in converting epub files to PDF format (version: ebook-convert (calibre 3.21.0)) I am looking for a ...Thu, 16 Jul 2026 07:43:48 -0400https://liberty.io/cluster-beowulf-for-blender.htmlhttps://liberty.io/cluster-beowulf-for-blender.htmlHow can I configure properly in Ubuntu 14.04 server and load a Beowulf Cluster process Blender 3D for distribution across multiple nodes? I've looked everywhere and in all languages ​​but only get ...Thu, 16 Jul 2026 07:43:07 -0400https://liberty.io/git-produces-output-in-realtime-to-a-file-but-i-039-m-unable-to-echo-i.htmlhttps://liberty.io/git-produces-output-in-realtime-to-a-file-but-i-039-m-unable-to-echo-i.htmlWhat I want My actual long term goal is bypassing all the output of a git process into another function (in order to make a progress bar - see my older question for more details about that). What ......Thu, 16 Jul 2026 07:42:59 -0400https://liberty.io/error-starting-up-dns-forward-zone-file.htmlhttps://liberty.io/error-starting-up-dns-forward-zone-file.htmlI am working setting up my DNS, but i am getting errors in: tail -f /var/sys/log. I have setted up a static ip-adress in networks: 192.168.10.1 May 11 18:13:54 s180368 named[3582]: command channel ...Thu, 16 Jul 2026 07:40:22 -0400https://liberty.io/how-to-monitor-who-is-pinging-me.htmlhttps://liberty.io/how-to-monitor-who-is-pinging-me.htmlIs there a way to know who is pinging my PC on my network? Is it possible to monitor all ICMP packets? How can I do that?...Thu, 16 Jul 2026 07:32:19 -0400https://liberty.io/recovery-of-formatted-hard-drive.htmlhttps://liberty.io/recovery-of-formatted-hard-drive.htmli had accidentally erase everything option while switching to ubuntu. can you please help me to tell me how recover that drive please as there are many important documents and photos. please if i c......Thu, 16 Jul 2026 07:25:36 -0400https://liberty.io/what-is-the-www-data-user.htmlhttps://liberty.io/what-is-the-www-data-user.htmlI'm working through How To Serve Django Applications with uWSGI and Nginx on Ubuntu 16.04. At the end of the "Create a systemd Unit File for uWSGI" in the article they discuss the www-data user. W......Thu, 16 Jul 2026 07:23:53 -0400https://liberty.io/user-jatin-parmar-ask-ubuntu.htmlhttps://liberty.io/user-jatin-parmar-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Thu, 16 Jul 2026 07:23:02 -0400https://liberty.io/notepad-not-working-after-removing-wine-that-was-installed-for-a-diffe.htmlhttps://liberty.io/notepad-not-working-after-removing-wine-that-was-installed-for-a-diffe.htmlI had notepad++ for a while now, installed directly from Ubuntu software center. AFAI remember I didn't have to specifically install wine. Yesterday I wanted to install a different *.exe and had to ...Thu, 16 Jul 2026 07:20:19 -0400https://liberty.io/package-039-docker-ce-039-has-no-installation-candidate-in-18-04.htmlhttps://liberty.io/package-039-docker-ce-039-has-no-installation-candidate-in-18-04.htmlI'm following the official Docker installation guide for docker-ce on Ubuntu. When I get to sudo apt install docker-ce I get E: Package 'docker-ce' has no installation candidate: $ sudo apt-get u......Thu, 16 Jul 2026 07:20:11 -0400https://liberty.io/ubuntu-randomly-started-blinking-the-screen-on-boot.htmlhttps://liberty.io/ubuntu-randomly-started-blinking-the-screen-on-boot.htmlI used my Ubuntu Desktop yesterday as usual, but now I can't boot in because the screen keeps flickering to a black screen and a verbose boot screen where I see no failure or errors. I can ALT-F2 a......Thu, 16 Jul 2026 07:15:58 -0400https://liberty.io/aeroadmin-crashs-in-wine-under-64-bit-linux.htmlhttps://liberty.io/aeroadmin-crashs-in-wine-under-64-bit-linux.htmlI am looking for a remote control software which runs in 64bit-linux and works without being in the same network. The only program (except of TeamViewer) I found is AeroAdmin. According to its home......Thu, 16 Jul 2026 07:12:38 -0400https://liberty.io/diff-of-two-pdf-files.htmlhttps://liberty.io/diff-of-two-pdf-files.htmlI'm looking for a good program to show me the differences between two similar pdf files. In particular, I'm looking for something that doesn't just run diff on an ascii version (with "pdftotext") ......Thu, 16 Jul 2026 07:08:07 -0400https://liberty.io/can-no-longer-access-scanner-on-brother-hl-l3290cdw-scanner-printer-co.htmlhttps://liberty.io/can-no-longer-access-scanner-on-brother-hl-l3290cdw-scanner-printer-co.htmlMy Brother "all in one" scanner-printer-copier was working fine for months with ubuntu 20.04 via USB cable. I can still use the laser printer, but the first time I try to start a scan, it ...Thu, 16 Jul 2026 06:57:39 -0400https://liberty.io/does-ubuntu-run-faster-than-windows-10-duplicate.htmlhttps://liberty.io/does-ubuntu-run-faster-than-windows-10-duplicate.htmlI'm going to reinstall an operating system in my computer. I had Windows 10 earlier, and now I'm thinking of using Ubuntu. I haven't used Ubuntu before, so I have a few doubts. Does Ubuntu run fas......Thu, 16 Jul 2026 06:55:49 -0400https://liberty.io/specifying-preseed-late-command-as-a-shell-script-in-ubuntu-preseed.htmlhttps://liberty.io/specifying-preseed-late-command-as-a-shell-script-in-ubuntu-preseed.htmlI am attempting to specify a preseed/late_command as a shell script that enables the systemd tmp.mount unit. Executing of a shell script in late_command fails with error code 127 indicating confusi......Thu, 16 Jul 2026 06:55:23 -0400https://liberty.io/how-can-i-adjust-the-mouse-scroll-speed.htmlhttps://liberty.io/how-can-i-adjust-the-mouse-scroll-speed.htmlThis question has been asked many times with no answer. I've used my basic Google skills and haven't come across a fix. This is system wide. My mouse simply scrolls too fast. I'm new to ubuntu and ...Thu, 16 Jul 2026 06:55:00 -0400https://liberty.io/how-to-set-vim-keyboard-mapping-for-start-of-command.htmlhttps://liberty.io/how-to-set-vim-keyboard-mapping-for-start-of-command.htmlI often write the active Vim buffer with :w, then reload the buffer with :e to reset the undo/redo history. I do this so often, I've updated my .vimrc file with a command mapping for :we, to do bo......Thu, 16 Jul 2026 06:48:43 -0400https://liberty.io/what-is-the-use-purpose-of-the-ca-certificates-package.htmlhttps://liberty.io/what-is-the-use-purpose-of-the-ca-certificates-package.htmlI have always wondered what it's used for but I found little documentation about it....Thu, 16 Jul 2026 06:45:31 -0400https://liberty.io/how-to-get-the-latest-dnsmasq-version.htmlhttps://liberty.io/how-to-get-the-latest-dnsmasq-version.htmlI'd like to update to the latest version of dnsmasq (2.83). I used sudo apt update followed by sudo apt upgrade in an attempt to update the software and libraries installed on the machine. I then c......Thu, 16 Jul 2026 06:38:45 -0400https://liberty.io/what-is-the-meaning-of-1-in-bash.htmlhttps://liberty.io/what-is-the-meaning-of-1-in-bash.htmlI am actually playing with arguments and its happened. I just thought like to see what will happen if I type $$1 and I did it and got something below. raja@raja-BONEFISH:~$ $$1 19301: command not ......Thu, 16 Jul 2026 06:33:05 -0400https://liberty.io/error-using-eclipse-oxygen-windowbuilder-on-ubuntu-17-10.htmlhttps://liberty.io/error-using-eclipse-oxygen-windowbuilder-on-ubuntu-17-10.htmlI've installed swt windowdbuilder on eclipse oxygen but when I try yo use the design view I gent this error Designer [1.10.0.201712050731.201712061243]: No more handles No more handles And this ......Thu, 16 Jul 2026 06:26:13 -0400https://liberty.io/is-the-openjdk-r-ppa-trustworty.htmlhttps://liberty.io/is-the-openjdk-r-ppa-trustworty.htmlI've seen a ton of blogs saying Java 8 is now available to Ubuntu 12.04 & 14.04 through the ppa openjdk-r. My question is how trustworthy is this ppa? Is it run by people from openjdk or ubuntu......Thu, 16 Jul 2026 06:24:58 -0400https://liberty.io/how-do-i-revert-from-the-nvidia-381-driver-to-xserver-xorg-video-nouve.htmlhttps://liberty.io/how-do-i-revert-from-the-nvidia-381-driver-to-xserver-xorg-video-nouve.htmlI selected the recommended nvidia-381 driver from the Additional Drivers settings page in Ubuntu 16.10. After restarting, the system is stuck at the splash screen. I tried starting in recovery mod......Thu, 16 Jul 2026 06:20:02 -0400https://liberty.io/how-to-install-h-264-decoder.htmlhttps://liberty.io/how-to-install-h-264-decoder.htmlI tried playing videos in movie player but only the audio could be heard. I tried playing the video with dragon player but here also only the audio could be heard. A message box appeared showing the ...Thu, 16 Jul 2026 06:07:49 -0400https://liberty.io/cannot-boot-because-kernel-panic-not-syncing-attempted-to-kill-init.htmlhttps://liberty.io/cannot-boot-because-kernel-panic-not-syncing-attempted-to-kill-init.htmlThis is what I've got. I cannot boot and I see the two of three little lights on the keyboard blinking all the time and the cooling is working on full power, almost. I saw in other askubuntu topic ...Thu, 16 Jul 2026 06:02:20 -0400https://liberty.io/how-to-use-korean-hangul-and-a-virtual-keyboard-onboard.htmlhttps://liberty.io/how-to-use-korean-hangul-and-a-virtual-keyboard-onboard.htmlThis seems to be very badly documented, and while there are many questions similar to this one, none really deals with this exactly, nor seems there to be a solution. I am on Ubuntu 18.04 LTS usin......Thu, 16 Jul 2026 05:56:00 -0400https://liberty.io/how-to-play-brand-mp42-video.htmlhttps://liberty.io/how-to-play-brand-mp42-video.htmlOutout of file: VID_20190129_195553.mp4: ISO Media, MP4 v2 [ISO 14496-14] Output of ffprobe: [mov,mp4,m4a,3gp,3g2,mj2 @ 0x5589e5bb7e40] moov atom not found VID_20190129_195553.mp4: Invalid data fo......Thu, 16 Jul 2026 05:50:06 -0400https://liberty.io/understanding-dns-server-in-etc-resolv-conf-file.htmlhttps://liberty.io/understanding-dns-server-in-etc-resolv-conf-file.htmlI have installed ubuntu server in Virtual Machine. I started exploring about the network, and read a book for it. It says that my DNS server is given in /etc/resolv.conf file. This is my server'......Thu, 16 Jul 2026 05:21:46 -0400https://liberty.io/how-do-you-cd-into-the-first-available-folder-without-typing-out-the-n.htmlhttps://liberty.io/how-do-you-cd-into-the-first-available-folder-without-typing-out-the-n.htmlI was recently in a predicament where I was inside a folder, and I wanted to cd to a sub directory folder. There was only one folder, inside this folder and it was a really long name. Home (I am h......Thu, 16 Jul 2026 05:17:32 -0400https://liberty.io/how-can-i-find-the-latest-stable-kernel-for-ubuntu.htmlhttps://liberty.io/how-can-i-find-the-latest-stable-kernel-for-ubuntu.htmlI have gone through many posts, and many threads of the last 30 minutes reading about Linux kernels. The problem I am having is I upgraded to the latest mainline kernel back when it fixed the proce......Thu, 16 Jul 2026 05:11:38 -0400https://liberty.io/no-more-sound-in-ubuntu-18-04-hp-envy.htmlhttps://liberty.io/no-more-sound-in-ubuntu-18-04-hp-envy.htmlthis is the first time I am posting here but I am kind of desperate. I don't have any more sound on my laptop, only "Dummy output" whereas it was working fine yesterday. I tried several methods, ...Thu, 16 Jul 2026 05:10:22 -0400https://liberty.io/how-to-use-ubuntu-as-client-for-my-hikvision-surveilance-system.htmlhttps://liberty.io/how-to-use-ubuntu-as-client-for-my-hikvision-surveilance-system.htmlI have a HIKVISION DS-7216HGHI-SH/A with analogue cameras connected to it. In windows, Firefox requires a plugin (in .exe format) to display the videos. A plugin for linux on the website is rather ......Thu, 16 Jul 2026 05:06:09 -0400https://liberty.io/where-is-the-alias-for-ll-defined.htmlhttps://liberty.io/where-is-the-alias-for-ll-defined.htmlI often find myself using ll which is an alias. $ type ll ll is an alias for ls -lh I always wondered where this was defined as it works both on bash, zsh but not on sh: # THIS IS SH $ ll sh: 1:......Thu, 16 Jul 2026 04:50:37 -0400https://liberty.io/dolphin-kde-like-column-design-for-nautilus-or-an-alternative-file-bro.htmlhttps://liberty.io/dolphin-kde-like-column-design-for-nautilus-or-an-alternative-file-bro.htmlI'm now an Ubuntu user for several years but a friend of mine has Kubuntu installed and although I'm no fan of KDE i really liked the file Browser "Dolphin". Especially the Mac OSX like "columns de......Thu, 16 Jul 2026 04:37:20 -0400https://liberty.io/how-to-fix-read-failure-on-hard-drive.htmlhttps://liberty.io/how-to-fix-read-failure-on-hard-drive.htmlOne of my hard drives wasn't working properly when I was trying to install windows 10 on it, so I searched for the error and I checked HD for errors with Smartctl selftests. I tried some usual fixes ...Thu, 16 Jul 2026 04:35:37 -0400https://liberty.io/indicator-menu-from-gtk-builder-ui-string.htmlhttps://liberty.io/indicator-menu-from-gtk-builder-ui-string.htmlI've created an indicator that I think should work, but doesn't. I've added the UI interface from a glade file, loaded it and added the menu to appindicator. The following is the entire source code ...Thu, 16 Jul 2026 04:24:20 -0400https://liberty.io/beginner-gpu-passthrough-windows-host-to-ubuntu-guest-whats-kvm-i-use-.htmlhttps://liberty.io/beginner-gpu-passthrough-windows-host-to-ubuntu-guest-whats-kvm-i-use-.htmlI run win10 with 18.04LTS VM on virtual box. I am not experienced in VM's but have a need for Linux (personal use) so I thought vBox was the only solution. I have 2 discrete graphics cards so I wa......Thu, 16 Jul 2026 04:17:02 -0400https://liberty.io/18-04-sudo-prime-select-intel-gives-error-the-installed-packages-do-no.htmlhttps://liberty.io/18-04-sudo-prime-select-intel-gives-error-the-installed-packages-do-no.html18.04 Dell XPS 15 sudo prime-select intel gives ERROR the installed packages do not support PRIME Where can I find out more about how to proceed?...Thu, 16 Jul 2026 04:13:10 -0400https://liberty.io/microsoft-wireless-comfort-desktop-5000-keyboard-special-keys.htmlhttps://liberty.io/microsoft-wireless-comfort-desktop-5000-keyboard-special-keys.htmlI purchased a micrrosoft keyboard for its special keys such as XF86HomePage, while in my prvious model (the Microsoft Natural Ergonomic Keyboard 4000) all the keys were configurable, at the new 5000 ...Thu, 16 Jul 2026 04:12:04 -0400https://liberty.io/man-command-not-working-in-ubuntu-18-04.htmlhttps://liberty.io/man-command-not-working-in-ubuntu-18-04.htmlMy man command is not working at all on my Ubuntu 18.04 machine. Unlike most of the cases I have found described in the internet, where there is an error message after calling man, I do not get any ...Thu, 16 Jul 2026 04:08:15 -0400https://liberty.io/firefox-98-0-don-039-t-syncrhonise-or-save-password.htmlhttps://liberty.io/firefox-98-0-don-039-t-syncrhonise-or-save-password.htmlI have a dual boot windows10 - Ubuntu 20.04 with Firefox in each. I want to synchronise my logins and password from window but it doesn't work in Ubuntu side. There is more : Ubuntu Firefox don't s......Thu, 16 Jul 2026 04:08:10 -0400https://liberty.io/how-do-i-copy-cd-to-my-android-cellphone-using-lubuntu-18-10.htmlhttps://liberty.io/how-do-i-copy-cd-to-my-android-cellphone-using-lubuntu-18-10.htmlHow do I copy an audio CD to my Android 8.1.0 cellphone using Lubuntu 18.10?...Thu, 16 Jul 2026 03:57:55 -0400https://liberty.io/is-it-possible-to-modify-an-xml-file-in-terminal.htmlhttps://liberty.io/is-it-possible-to-modify-an-xml-file-in-terminal.htmlI got the following instructions: sudo nano /etc/tomcat7/tomcat-users.xml add a user who can access the manager-gui and admin-gui: <tomcat-users> <user username="admin" password="passwo......Thu, 16 Jul 2026 03:54:37 -0400https://liberty.io/main-cpp-1-10-fatal-error-sort-h-no-such-file-or-directory.htmlhttps://liberty.io/main-cpp-1-10-fatal-error-sort-h-no-such-file-or-directory.htmlI want to write makefile to compile my C++ codes. The tree of my files is this: . ├── include │   └── Sort.h ├── lib │   └── Sort.cpp └── src ├── main.cpp ├── makefile └── obj And this......Thu, 16 Jul 2026 03:54:09 -0400https://liberty.io/how-do-i-edit-php-ini-in-a-docker-container.htmlhttps://liberty.io/how-do-i-edit-php-ini-in-a-docker-container.htmlSo I'm running the wordpress docker container and I want to increase the upload file size limit set in php.ini. My problem is I can't find that file anywhere. I installed the container with a doc......Thu, 16 Jul 2026 03:39:30 -0400https://liberty.io/chrome-thinks-that-it-is-hangouts-and-now-postman.htmlhttps://liberty.io/chrome-thinks-that-it-is-hangouts-and-now-postman.htmlI am running Ubuntu 16.04 LTS and am having a persistent, obnoxious problem with Chrome and Hangouts. If I attach a Chrome shortcut to the launcher and/or search for Chrome, it insists that it is ...Thu, 16 Jul 2026 03:34:05 -0400https://liberty.io/what-does-h-mean-in-sshd-configuration.htmlhttps://liberty.io/what-does-h-mean-in-sshd-configuration.htmlI'm setting up OpenSSH on a server and I've created my keys on my client, but I don't know where I'm supposed to put the public key on the host. I understand it needs to be added to the authorized_......Thu, 16 Jul 2026 03:29:04 -0400https://liberty.io/ubuntu-14-painfully-slow-on-dell-r200.htmlhttps://liberty.io/ubuntu-14-painfully-slow-on-dell-r200.htmlI didn't notice it at first. The machines (there is 20 plus) are to be used a simple file servers. It wasn't until samba just wouldn't act right that I installed a desktop gui and started more ...Thu, 16 Jul 2026 03:28:45 -0400https://liberty.io/realistic-working-swap-for-128gb-ram-duplicate.htmlhttps://liberty.io/realistic-working-swap-for-128gb-ram-duplicate.htmlI've just installed Ubuntu 15.04 on a new 240GB SSD, and immediately noticed that /dev/ubuntu-vg/swap_1 on the resulting installation is 137GB. That seems excessive, even counter-productive, but p......Thu, 16 Jul 2026 03:27:24 -0400https://liberty.io/how-do-i-install-llvm-10-on-ubuntu-18-04.htmlhttps://liberty.io/how-do-i-install-llvm-10-on-ubuntu-18-04.htmlThere are some earlier questions, most notably this, but they didn't help me. I am trying to install llvm version 10 (or 9) because it is a dependency for the pyod Python package. When trying to in......Thu, 16 Jul 2026 03:24:55 -0400https://liberty.io/user-alfa-bravo-ask-ubuntu.htmlhttps://liberty.io/user-alfa-bravo-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Thu, 16 Jul 2026 03:21:29 -0400https://liberty.io/virtualbox-android-virtual-machine-how-to-access-the-folder-on-the-hos.htmlhttps://liberty.io/virtualbox-android-virtual-machine-how-to-access-the-folder-on-the-hos.htmlI have installed an android virtual machine in Virtualbox on my Ubuntu 16.04 host machine. And I have set the Network as Host-only Adapter. And here it is the shared folder: I can't access the ...Thu, 16 Jul 2026 03:12:07 -0400https://liberty.io/how-can-i-fix-ubuntu-winboot-wubildr-mbr-missing-error.htmlhttps://liberty.io/how-can-i-fix-ubuntu-winboot-wubildr-mbr-missing-error.htmlI have installed Ubuntu 12.04 (64 bit) operating system. It supports uefi so I installed it like a normal dual booting now (not like Wubi). When I try to load Windows 8 it works fine. But when I t......Thu, 16 Jul 2026 03:00:30 -0400https://liberty.io/how-can-i-set-the-cpu-frequency-to-always-stay-at-its-maximum.htmlhttps://liberty.io/how-can-i-set-the-cpu-frequency-to-always-stay-at-its-maximum.htmlSince I mostly use my laptop as a desktop, I'm trying to set its CPU to its maximum frequency. The CPU is an Intel Core i5-3337U (dual-core with Hyper-Threading), which caps at 2.5GHz (with 2 active ...Thu, 16 Jul 2026 02:50:23 -0400https://liberty.io/sublime-text-4-does-not-run-python.htmlhttps://liberty.io/sublime-text-4-does-not-run-python.htmlI would like to try to learn Python, but Sublime text 4, as I try to run any test script by pressing CTRL + B gives me confirmation that it has been executed, but no output. import sys print(sys.pl......Thu, 16 Jul 2026 02:46:28 -0400https://liberty.io/matplotlib-pyplot-is-not-working.htmlhttps://liberty.io/matplotlib-pyplot-is-not-working.htmlI'm using Jupyter Notebook, and matplotlib.pyplot is not working. I'm using Python 2.7 in Ubuntu 14.04....Thu, 16 Jul 2026 02:31:49 -0400https://liberty.io/lvm-expansion-problem.htmlhttps://liberty.io/lvm-expansion-problem.htmlI have attempted to expand the volume of an Ubuntu 18.04 server running on vmware. LVM is in use. I shut it down, expanded the virtual disk in vmware, and powered it up. I then used cfdisk to resiz......Thu, 16 Jul 2026 02:26:13 -0400https://liberty.io/how-to-setup-a-printer-over-a-speedport-router-telekom.htmlhttps://liberty.io/how-to-setup-a-printer-over-a-speedport-router-telekom.htmlSince I moved to the German Telekom as provider I have not been able up to now to print over WLAN through my home printer. I find nearly no help in the manual of my router (a Speedport W724 V type B)....Thu, 16 Jul 2026 02:21:03 -0400https://liberty.io/resolution-2560x1440-not-available-with-new-displayport-to-hdmi-adapte.htmlhttps://liberty.io/resolution-2560x1440-not-available-with-new-displayport-to-hdmi-adapte.htmlI am having problems setting up a right resolution after changing HDMI->DisplayPort adapter (converter). My setup: laptop HP Folio 9470m running Ubuntu 18.04.4 LTS (system is up to date, no pending ...Thu, 16 Jul 2026 02:14:11 -0400https://liberty.io/how-to-start-terminal-in-full-screen.htmlhttps://liberty.io/how-to-start-terminal-in-full-screen.htmlWhen I open a terminal using CTRL+ALT+T in Unity, I would like this window to be automatically maximized, rather than to have to additionally hit ALT+SPACE and the 'X' key to make the window that ...Thu, 16 Jul 2026 02:06:25 -0400https://liberty.io/how-to-install-gail-and-atk-bridge.htmlhttps://liberty.io/how-to-install-gail-and-atk-bridge.htmlI'm trying to run import.io on ubuntu 14.04 64 bit. It says Gtk-Message: Failed to load module "gail" Gtk-Message: Failed to load module "atk-bridge" In synaptic they seem installed, which is con......Thu, 16 Jul 2026 01:44:12 -0400https://liberty.io/added-2nd-monitor-caused-mouse-and-keyboard-not-to-work-and-more.htmlhttps://liberty.io/added-2nd-monitor-caused-mouse-and-keyboard-not-to-work-and-more.htmlSo I have a Radeon 9800 with 2Gb video RAM, Intel i7 4th gen, 32Gb RAM Dell XPS 8700 chassis running Ubuntu 14.04. I've had 2 monitors on my desk as I switched from my old PC and today I finally ...Thu, 16 Jul 2026 01:42:06 -0400https://liberty.io/create-a-stack-with-heat-orchestration-queens-template-version-interna.htmlhttps://liberty.io/create-a-stack-with-heat-orchestration-queens-template-version-interna.htmlI am trying to create a stack from a given .yml template, and in the template i only have the following in the parameter section : parameter : word: {type: json} When i try to create the stack from......Thu, 16 Jul 2026 01:41:53 -0400https://liberty.io/how-to-open-opt-folder-in-ubuntu-13-04.htmlhttps://liberty.io/how-to-open-opt-folder-in-ubuntu-13-04.htmlI installed ubuntu 13.04 In the GUI File Manager i dont file "file system" which take me to / How to access /opt in file manager...Thu, 16 Jul 2026 01:41:53 -0400https://liberty.io/how-can-i-get-4k60-output-over-hdmi-2-0-on-my-kaby-lake-nuc.htmlhttps://liberty.io/how-can-i-get-4k60-output-over-hdmi-2-0-on-my-kaby-lake-nuc.htmlI have an Intel NUC7i5BNK, which is a Kaby Lake NUC (i5-7260u) with HDMI 2.0 supporting 4K/60Hz output. I installed a fresh copy of Ubuntu 17.04 on it, but I can only output 4K/30Hz to my TV. I'm a ...Thu, 16 Jul 2026 01:40:40 -0400https://liberty.io/listening-port-039-s-with-service-name.htmlhttps://liberty.io/listening-port-039-s-with-service-name.htmlI'm looping in listening ports and when looping I want to get the exact service name of the ports for further activity. So how can I get the service name of the ports....Thu, 16 Jul 2026 01:39:54 -0400https://liberty.io/how-can-i-ensure-the-snd-hda-intel-module-is-loaded-on-startup.htmlhttps://liberty.io/how-can-i-ensure-the-snd-hda-intel-module-is-loaded-on-startup.htmlI need to type sudo modprobe snd-hda-intel in order to get my sound card to work. What config file do I need to edit and what edit should I be looking to make so I can get the sound driver loadin......Thu, 16 Jul 2026 01:35:23 -0400https://liberty.io/switch-command-output-language-from-native-language-to-english.htmlhttps://liberty.io/switch-command-output-language-from-native-language-to-english.htmlHow can I switch the command output language from my native language to English, so I can post my Ask Ubuntu question with English command output (error messages)?...Thu, 16 Jul 2026 01:34:55 -0400https://liberty.io/inconsistency-between-unattended-upgrade-and-debsecan.htmlhttps://liberty.io/inconsistency-between-unattended-upgrade-and-debsecan.htmlTo install security updates automatically I use unattended-upgrade: $ sudo unattended-upgrade -d | tail -1 No packages found that can be upgraded unattended and no pending auto-removals I also tried ...Thu, 16 Jul 2026 01:27:31 -0400https://liberty.io/how-to-associate-magnet-links-to-qbittorrent.htmlhttps://liberty.io/how-to-associate-magnet-links-to-qbittorrent.htmlI'm running Ubuntu 12.04.03 LTS and have installed qBittorrent v2.9.7 via the Ubuntu software center. But where can I find this program in the file system. I need that in order to define magnet in ...Thu, 16 Jul 2026 01:26:45 -0400https://liberty.io/graphics-driver-for-amd-radeon-rx-vega-8-ryzen-4000.htmlhttps://liberty.io/graphics-driver-for-amd-radeon-rx-vega-8-ryzen-4000.htmlmy laptop with Ubuntu 18.04 can't identify the GPU. it's an integrated GPU in AMD Ryzen 7 5800H the laptop detailed information is below https://www.notebookcheck.net/Xiaomi-RedmiBook-Pro-15-R7-5800H....Thu, 16 Jul 2026 01:25:25 -0400https://liberty.io/remotely-access-postgresql-database.htmlhttps://liberty.io/remotely-access-postgresql-database.htmlI need to access a postgresql database from a remote machine on a VPS at DigitalOcean running 12.10 and postgresql 9.1. How do I do this? I noticed port 5432 is closed, how do I open this?...Thu, 16 Jul 2026 01:22:35 -0400https://liberty.io/celeron-n3150-powerful-enough-to-run-ubuntu-16-04.htmlhttps://liberty.io/celeron-n3150-powerful-enough-to-run-ubuntu-16-04.htmlThe specs recommend a 2Ghz, dual-core processor. The n3150 is 1.6Ghz but has four cores. Would that compensate for the deficit in speed?...Thu, 16 Jul 2026 01:04:23 -0400https://liberty.io/how-to-compile-the-sorcecode-of-the-offical-ls-c-source-code.htmlhttps://liberty.io/how-to-compile-the-sorcecode-of-the-offical-ls-c-source-code.htmlI downloaded the official ls.c source code and tried to compile it with gcc. The problem was that the gcc showed me a lot of errors. $ gcc ls.c -o ls ls.c:38:20: fatal error: config.h: I did fix......Thu, 16 Jul 2026 01:04:20 -0400https://liberty.io/how-can-i-apply-a-ladspa-plugin-to-a-pulseaudio-stream.htmlhttps://liberty.io/how-can-i-apply-a-ladspa-plugin-to-a-pulseaudio-stream.htmlI want to apply a LADSPA plugin to everything that streams through the default PulseAudio sink. How should I set this up?...Thu, 16 Jul 2026 01:02:21 -0400https://liberty.io/reset-system-bootloop-after-attempting-to-dual-boot.htmlhttps://liberty.io/reset-system-bootloop-after-attempting-to-dual-boot.htmlI was trying to dual boot Ubuntu 21.04 with windows 10 on my HP elitebook-folio-9480m. I was following this tutorial to do the same. After creating the partitions for the installation process. The ......Thu, 16 Jul 2026 00:54:10 -0400https://liberty.io/nvidia-3080-ti-and-gt-1030-driving-6-monitors.htmlhttps://liberty.io/nvidia-3080-ti-and-gt-1030-driving-6-monitors.htmlUbuntu 20.04 LTS I'm trying to drive 6 monitors. I have a 3080TI and a GT 1030. Using the nvidia xconfig utility it looks like I can only run 4 monitors on 1 X screen and the other two (on the GT10......Thu, 16 Jul 2026 00:52:11 -0400https://liberty.io/how-can-i-fix-ttf-fonts-039-ligatures-tt-ti-fi-ff-etc-in-firefox.htmlhttps://liberty.io/how-can-i-fix-ttf-fonts-039-ligatures-tt-ti-fi-ff-etc-in-firefox.htmlWith certain Windows fonts there is a display issue where ligature-kerning seems to flip out and make the two letters bold. Here's a screenshot of an email using Helvetica in Firefox: As you can s......Thu, 16 Jul 2026 00:45:29 -0400https://liberty.io/creating-a-symlink-for-docker-volumes-to-another-directory.htmlhttps://liberty.io/creating-a-symlink-for-docker-volumes-to-another-directory.htmlFor reasons I need to symlink /var/lib/docker/volumes into /net/datadisc/disc1/docker_volumes, i.e. ever volume that docker creates inside /var/lib/docker/volumes would instead be created in /net/...Thu, 16 Jul 2026 00:29:33 -0400https://liberty.io/very-high-iowait-when-using-4tb-disk.htmlhttps://liberty.io/very-high-iowait-when-using-4tb-disk.htmlI have an older PC that I use as a host for some VM and docker containers. So far the system was working fine until a few days ago. It started to be very slow and iowait in glances was consistently......Thu, 16 Jul 2026 00:22:37 -0400https://liberty.io/unicode-shortcut-not-working-on-external-keyboard.htmlhttps://liberty.io/unicode-shortcut-not-working-on-external-keyboard.htmlTo add unicode symbols, on my laptop I can simply type (left) Ctrl+Shift+u and then add the specific number for the unicode symbol. However, when I try to do the same with an attached external keyb......Thu, 16 Jul 2026 00:14:57 -0400https://liberty.io/how-i-solve-this-error.htmlhttps://liberty.io/how-i-solve-this-error.htmlMy Code is import numpy as np import cv2 as cv img = cv.imread('img.jpg',0) cv.imshow('image',img) cv.waitKey(0) cv.destroyAllWindows() And the error is Traceback (most recent call last): File "...Thu, 16 Jul 2026 00:06:30 -0400https://liberty.io/cannot-boot-after-bios-uefi-reset-to-defaults.htmlhttps://liberty.io/cannot-boot-after-bios-uefi-reset-to-defaults.htmlI have a ThinkPad X130e. I installed Ubuntu 12.04 LTS amd64 on it. All worked fine until yesterday. While diagnosing another issue I reset the BIOS / UEFI to defaults. Afterwards Ubuntu did not boo......Thu, 16 Jul 2026 00:00:23 -0400https://liberty.io/how-do-i-remove-windows-from-the-uefi-boot-menu-after-custom-installin.htmlhttps://liberty.io/how-do-i-remove-windows-from-the-uefi-boot-menu-after-custom-installin.htmlI installed Ubuntu 18.04 using the "Something else..." option on a laptop with a single HDD that came with Windows 10. During installation I deleted all the partitions except the EFI partition. The......Wed, 15 Jul 2026 23:53:47 -0400https://liberty.io/f-lux-don-039-t-work-on-dual-monitors-laptop-external.htmlhttps://liberty.io/f-lux-don-039-t-work-on-dual-monitors-laptop-external.htmlFirst things first, this question is already asked, but is 2 years old and without an answer. Now my problem... I have one monitor with another from my laptop. That's my workspace. But when I inst......Wed, 15 Jul 2026 23:50:03 -0400https://liberty.io/how-to-enable-or-disable-a-user.htmlhttps://liberty.io/how-to-enable-or-disable-a-user.htmlI'm uing ubuntu 12.04 desktop. I have 3 users: user1(administrator), user2(standard) and guest. I wanted to disable user1 and enable user2 which auto logs on with no password but after I did that I......Wed, 15 Jul 2026 23:45:32 -0400https://liberty.io/how-do-i-connect-a-cannon-pixma-mg3550-printer-wirelessly-to-my-laptop.htmlhttps://liberty.io/how-do-i-connect-a-cannon-pixma-mg3550-printer-wirelessly-to-my-laptop.htmlIt will not read the installation cd as its for windows, I have been on the cannon site but that is for windows or a mac. I went into settings but need a url number for the printer(absolutely no i......Wed, 15 Jul 2026 23:37:09 -0400https://liberty.io/unable-to-load-usb-library-no-module-named-pil-k40-whisperer-laser-ins.htmlhttps://liberty.io/unable-to-load-usb-library-no-module-named-pil-k40-whisperer-laser-ins.htmlI got a K40 laser cutter from eBay and am trying to install K40 whisperer on Ubuntu Focal Fossa, spent about 8 hours yesterday wrestling with it now I surrender. I have seen a post from a few years......Wed, 15 Jul 2026 23:29:26 -0400