https://liberty.ioCurated star highlights with fresh energy.en-usSat, 01 Aug 2026 17:22:54 -0400https://liberty.io/why-environmental-variable-returns-none-in-linux.htmlhttps://liberty.io/why-environmental-variable-returns-none-in-linux.htmlIn windows to set a new variable = value we can simply add it to the environmental variable. However, in linux, looks a bit tough. this is the procedure which I followed: Open Terminal and write: ......Sat, 01 Aug 2026 21:18:33 -0400https://liberty.io/is-there-a-command-to-get-the-number-of-frames-in-a-gif.htmlhttps://liberty.io/is-there-a-command-to-get-the-number-of-frames-in-a-gif.htmlIs there a command to get the number of frames in a gif? I have some gifs, and I want to convert them into arrays, but I want to limit the array, and structure of the array based on the number of f......Sat, 01 Aug 2026 21:17:55 -0400https://liberty.io/xubuntu-20-04-systemd-journald-high-cpu-usage.htmlhttps://liberty.io/xubuntu-20-04-systemd-journald-high-cpu-usage.htmlI'm not sure if this is the same issue as here systemd-journald high CPU usage because I was using Ubuntu 18.04 for these 2 years and everything was fine. Yesterday, I've installed Xubuntu 20.04 (...Sat, 01 Aug 2026 21:13:01 -0400https://liberty.io/how-much-space-does-ubuntu-take-up-after-it-039-s-already-installed.htmlhttps://liberty.io/how-much-space-does-ubuntu-take-up-after-it-039-s-already-installed.htmlI know how much space is required to install Ubuntu. How much space does a Ubuntu installation take up on the disk?...Sat, 01 Aug 2026 21:11:47 -0400https://liberty.io/how-to-clone-entire-hard-disk-into-new-one.htmlhttps://liberty.io/how-to-clone-entire-hard-disk-into-new-one.htmlI was use dd command to copy my 500GB hard-disk into my new 1TB hard disk. After 9 hours system display message everything was successfully copied but I can't display any data into my new hard disk......Sat, 01 Aug 2026 21:08:56 -0400https://liberty.io/default-page-still-accessible-after-a2dissite-000-default-conf.htmlhttps://liberty.io/default-page-still-accessible-after-a2dissite-000-default-conf.htmlI have a brand-new installation of Ubuntu 16.04 LTS Server (32bit) with enabled LAMP packages. Which means out of the box, it serves the typical Apache2 Ubuntu Default Page on port 80, located und......Sat, 01 Aug 2026 21:05:33 -0400https://liberty.io/structure-needs-cleaning-error-cannot-mount-partition.htmlhttps://liberty.io/structure-needs-cleaning-error-cannot-mount-partition.htmlI have a LUKS/LVM volume that was unfortunately removed without being correctly unmounted. I made a dd backup of my entire encrypted Ubuntu 16.04 installation. Then fresh installation of different ......Sat, 01 Aug 2026 21:05:30 -0400https://liberty.io/installing-webex-on-ubuntu-12-04.htmlhttps://liberty.io/installing-webex-on-ubuntu-12-04.htmlI am looking to install webex on my ubuntu 12.04 machine and I find that webex player is available only for windows and mac-os. Can someone please tell me the procedure to install it?...Sat, 01 Aug 2026 20:28:16 -0400https://liberty.io/difference-between-and-in-linux-environment.htmlhttps://liberty.io/difference-between-and-in-linux-environment.htmlWhat is the difference between $ and # signs in Linux environment? As I started working on Linux and I found that both are different. I mean do they have different set of privileges? [root@localhos......Sat, 01 Aug 2026 20:19:58 -0400https://liberty.io/how-to-log-all-the-output-displayed-at-screen.htmlhttps://liberty.io/how-to-log-all-the-output-displayed-at-screen.htmlrunning Ubuntu 18.04 on a non headles server dedicated only to cryptocurrency mining. The server, after some moments of mining, beeps and reboots. While it does that, there is some kind of error m......Sat, 01 Aug 2026 20:17:01 -0400https://liberty.io/how-do-i-remove-the-donki-extension-from-chrome.htmlhttps://liberty.io/how-do-i-remove-the-donki-extension-from-chrome.htmlChrome reinstalled The original facebook text that I clicked on: My OS is Linux Ubuntu 16.04 I think. I guess I'm looking for the terminal command to remove an extension from Chrome (Chromium se......Sat, 01 Aug 2026 20:16:46 -0400https://liberty.io/how-to-remap-lock-screen-button-to-suspend.htmlhttps://liberty.io/how-to-remap-lock-screen-button-to-suspend.htmlI want to remap "lock screen" button on my keyboard (it is special button, not Win+L combination) to "suspend" instead of "lock" I tried to prevent screen lock all together in hope the "Settings/...Sat, 01 Aug 2026 20:07:22 -0400https://liberty.io/how-to-install-tint2-on-gnome.htmlhttps://liberty.io/how-to-install-tint2-on-gnome.htmlI am trying to install tint2 on my ubuntu-gnome 15. Here is what I have done: sudo sh -c "echo 'deb http://ppa.launchpad.net/killeroid/ppa/ubuntu jaunty main' >> /etc/apt/sources.list" sudo ......Sat, 01 Aug 2026 20:03:21 -0400https://liberty.io/how-to-set-the-monitor-to-its-native-resolution-which-is-not-listed-in.htmlhttps://liberty.io/how-to-set-the-monitor-to-its-native-resolution-which-is-not-listed-in.htmlAfter installing Ubuntu 10.04 with my Samsung SyncMaster B2030, native resolution (1600X900) is not found in the list of resolutions....Sat, 01 Aug 2026 19:54:31 -0400https://liberty.io/how-to-convert-m4a-audio-files-to-mp3-use-command-line.htmlhttps://liberty.io/how-to-convert-m4a-audio-files-to-mp3-use-command-line.htmlHow to convert .m4a audio files to .mp3 command line? (with no deterioration in quality, if possible). Ubuntu 16.04LTS media info: General Complete name : show.m4a Forma......Sat, 01 Aug 2026 19:47:44 -0400https://liberty.io/can-i-move-the-workspace-switcher-icon-to-the-top-of-the-unity-launche.htmlhttps://liberty.io/can-i-move-the-workspace-switcher-icon-to-the-top-of-the-unity-launche.htmlI would like to move the Workspace switcher icon from the bottom to the top of my Unity dock bar. Is this possible? Drag and drop does not work. Thanks!...Sat, 01 Aug 2026 19:45:28 -0400https://liberty.io/nokia-n73-unable-to-connect-to-laptop.htmlhttps://liberty.io/nokia-n73-unable-to-connect-to-laptop.htmlI am connecting my Nokia N73 through data cable with my laptop which has Windows 7 and Ubuntu. If I connect using Windows, it gets connected and I can browse all the files and folders in my phone......Sat, 01 Aug 2026 19:43:50 -0400https://liberty.io/while-writing-npm-install-learnyounode-g-on-terminal-12-04-lts.htmlhttps://liberty.io/while-writing-npm-install-learnyounode-g-on-terminal-12-04-lts.html~$ npm install learnyounode -g npm ERR! registry error parsing json npm ERR! SyntaxError: Unexpected token < npm ERR! <!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Transitional//EN""http://w......Sat, 01 Aug 2026 19:42:43 -0400https://liberty.io/what-does-039-ign-039-039-get-039-or-039-hit-039-mean-when-running-an-.htmlhttps://liberty.io/what-does-039-ign-039-039-get-039-or-039-hit-039-mean-when-running-an-.htmlI had a bunch of errors in the output of sudo apt-get update: duplicate entries and 404 not found errors. Figured those out, I hope: I removed PPAs that didn't have any packages associated with t......Sat, 01 Aug 2026 19:42:29 -0400https://liberty.io/downsize-video-for-use-on-android-phone.htmlhttps://liberty.io/downsize-video-for-use-on-android-phone.htmlI've got some 1080p movies on my Ubuntu system, which I'd like to trasfer to my Android phone for when I'm in a situation where I have nothing to do (like an absent teacher at school). My phone scr......Sat, 01 Aug 2026 19:37:12 -0400https://liberty.io/how-do-i-install-older-postgresql-8-4-in-ubuntu-12-04.htmlhttps://liberty.io/how-do-i-install-older-postgresql-8-4-in-ubuntu-12-04.htmlWell, it's the whole question. I installed 9.1 before, but I need older version now and I haven't yet found out how to do that....Sat, 01 Aug 2026 19:36:57 -0400https://liberty.io/dns-resolution-not-working-in-dhcp.htmlhttps://liberty.io/dns-resolution-not-working-in-dhcp.htmlI noticed this strange behaviour, I have a wi-fi network that only works with static IP addresses. If I set DHCP the DNS resolution fails, I can for example ping 8.8.8.8 but I can't surf the web or......Sat, 01 Aug 2026 19:35:58 -0400https://liberty.io/unable-to-connect-vpn-in-ubuntu-17-10.htmlhttps://liberty.io/unable-to-connect-vpn-in-ubuntu-17-10.htmlI have been trying to connect VPN on ubuntu 17.10, but there is a problem. Every time I click connect, it shows the message "Network connection failed, activation of the network connection failed" ......Sat, 01 Aug 2026 19:33:01 -0400https://liberty.io/unable-to-install-latest-r-version-on-ubuntu-18-04-linux.htmlhttps://liberty.io/unable-to-install-latest-r-version-on-ubuntu-18-04-linux.htmlI want to be able to install the latest stable R release for Ubuntu 18.04, I had the ubuntu version installed and so I removed it and then followed several guides like in this link. No matter what......Sat, 01 Aug 2026 19:24:31 -0400https://liberty.io/error-ini-file-does-not-include-supervisorctl-section.htmlhttps://liberty.io/error-ini-file-does-not-include-supervisorctl-section.htmlSupervisorctl doesn't seem to let me in: $ supervisorctl -c /etc/supervisor/supervisord.conf Error: .ini file does not include supervisorctl section For help, use /usr/bin/supervisorctl -h $ cat /......Sat, 01 Aug 2026 18:59:17 -0400https://liberty.io/minify-tool-that-can-be-executed-through-terminal.htmlhttps://liberty.io/minify-tool-that-can-be-executed-through-terminal.htmlI am looking for a tool or a way to minify (similar to Compress my code and this question on Stack) all of the code in my .xml, .css, .html and .js files through Ubuntu's terminal. Eventually I will ...Sat, 01 Aug 2026 18:57:28 -0400https://liberty.io/chrome-and-chromium-blurry-images-pop-ups.htmlhttps://liberty.io/chrome-and-chromium-blurry-images-pop-ups.htmlI've had this issue for a while and I don't know what is causing it. This happens only on Linux. Essentially some popups and images are really blurry as compared to other browsers. Here are some ...Sat, 01 Aug 2026 18:56:05 -0400https://liberty.io/user-donnie-fernandez-ask-ubuntu.htmlhttps://liberty.io/user-donnie-fernandez-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Sat, 01 Aug 2026 18:54:10 -0400https://liberty.io/where-is-pip-config-file-on-ubuntu-20-04-2-lts.htmlhttps://liberty.io/where-is-pip-config-file-on-ubuntu-20-04-2-lts.htmlI have searched everywhere and I can not find the config file on Ubuntu Ubuntu 20.04.2 LTS with only pip3 installed do I have to make one? The below commands return null: locate pip.conf or locate......Sat, 01 Aug 2026 18:53:40 -0400https://liberty.io/remmina-vnc-doesn-039-t-connect-to-remote-machine.htmlhttps://liberty.io/remmina-vnc-doesn-039-t-connect-to-remote-machine.htmlI need to connect to a workstation from a personal machine but don't have any luck with it. The workstation is also Ubuntu 14.04. My personal machine: Remmina 0.9.99.1, Ubuntu 14.04. The window I......Sat, 01 Aug 2026 18:52:52 -0400https://liberty.io/anne-pro-2-not-working-on-ubuntu-20-04-startup.htmlhttps://liberty.io/anne-pro-2-not-working-on-ubuntu-20-04-startup.htmlMy Anne Pro 2 works fine with Windows, absolutely no problems. However, when I boot into Ubuntu, my keyboard appears disconnected. The RGB lights are not on, and the keys do not work. It is strange ...Sat, 01 Aug 2026 18:52:49 -0400https://liberty.io/unable-to-install-pandas-in-pypy3-in-xubuntu.htmlhttps://liberty.io/unable-to-install-pandas-in-pypy3-in-xubuntu.htmlI am using Python 3.6.9 (7.3.1+dfsg-4, Apr 22 2020, 05:15:29) [PyPy 7.3.1 with GCC 9.3.0] in my Xubuntu. I need to install pandas library. I have already successfully installed numpy. But when I try ...Sat, 01 Aug 2026 18:51:10 -0400https://liberty.io/how-do-i-get-a-device-039-s-uuid.htmlhttps://liberty.io/how-do-i-get-a-device-039-s-uuid.htmlWhen returning from sleep mode the LCD of my laptop shows only snowflakes (like analog tv with no signal). Unless I restart it nothing changes, no display output. I found this question where the au......Sat, 01 Aug 2026 18:27:19 -0400https://liberty.io/do-i-need-to-reinstall-drivers-on-ubuntu-duplicate.htmlhttps://liberty.io/do-i-need-to-reinstall-drivers-on-ubuntu-duplicate.htmlI just built a new PC and would like to install Linux/Ubuntu alongside Windows (dual boot). I already installed Windows 10 and all the required drivers, namely for the motherboard and Nvidia graphics ...Sat, 01 Aug 2026 18:27:17 -0400https://liberty.io/change-multiple-filenames-by-replacing-a-character.htmlhttps://liberty.io/change-multiple-filenames-by-replacing-a-character.htmlI have multiple files named like that : screenshot 13:25.png Windows struggle to open these files probably because of the ":". How can I replace it?...Sat, 01 Aug 2026 18:18:58 -0400https://liberty.io/what-are-the-advantages-and-disadvantages-of-using-15-10-over-14-04-cl.htmlhttps://liberty.io/what-are-the-advantages-and-disadvantages-of-using-15-10-over-14-04-cl.htmlI know that Ubuntu 14.04.3 LTS comes with five years of security and maintenance updates, guaranteed, and that 15.10 only had nine months of support. Why would you chose 15.10 if it will be unsupp......Sat, 01 Aug 2026 18:18:29 -0400https://liberty.io/how-to-automate-comparison-of-md5sum-hash-values-for-a-large-number-of.htmlhttps://liberty.io/how-to-automate-comparison-of-md5sum-hash-values-for-a-large-number-of.htmlI can check md5sum hash of a file from a terminal as, $ md5sum my_sensitive_file 8dad53cfc973c59864b8318263737462 my_sensitive_file But the difficult part is to compare the hash value with exact ......Sat, 01 Aug 2026 18:13:17 -0400https://liberty.io/how-can-i-configure-isc-dhcpd-to-provide-option-150-for-cisco-phones.htmlhttps://liberty.io/how-can-i-configure-isc-dhcpd-to-provide-option-150-for-cisco-phones.htmlCisco phones use the proprietary option 150 to tell the phone what server to contact for configuration information. How can I provide this option using the ISC DHCP server on Ubuntu?...Sat, 01 Aug 2026 18:06:01 -0400https://liberty.io/login-for-terminal.htmlhttps://liberty.io/login-for-terminal.htmlWhen I run terminal in Linux Ubuntu, it runs normally. By that I mean that there is no login required. I am actually not sure if it is supposed to ask for login information, but I am wondering if t......Sat, 01 Aug 2026 18:05:01 -0400https://liberty.io/gnome-3-search-bar-with-no-results.htmlhttps://liberty.io/gnome-3-search-bar-with-no-results.htmlI'm running Ubuntu 16.04 with GNOME 3 on my laptop. I use my laptop for university work, so often times I find myself using the search function of Gnome to get to certain class folders quickly. I'v......Sat, 01 Aug 2026 18:03:49 -0400https://liberty.io/how-to-automatically-kill-a-process-using-script-duplicate.htmlhttps://liberty.io/how-to-automatically-kill-a-process-using-script-duplicate.htmlHow to write a script that kills a java process? From console it looks like root@ubuntu-s-1vcpu-1gb-ams3-01:~# lsof -i tcp:8080 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME java 9657 ...Sat, 01 Aug 2026 18:01:16 -0400https://liberty.io/how-do-i-do-right-clicks-on-ibook-g4.htmlhttps://liberty.io/how-do-i-do-right-clicks-on-ibook-g4.htmlI can't figure out how I allow my iBook to right click in Ubuntu. It's one big button; so, I used to hold Option and click. I'm willing to do that, but I can't figure out how. Unless, of course, I've ...Sat, 01 Aug 2026 17:56:26 -0400https://liberty.io/battery-charge-suddenly-drops-from-100-to-0.htmlhttps://liberty.io/battery-charge-suddenly-drops-from-100-to-0.htmlI have a DELL LATITUDE E7450 with battery issues. When it is fully charged (displaying 100%), after some time the battery charge drops suddenly from 100% to 0%. When I unplug the charger, it warns me ...Sat, 01 Aug 2026 17:55:31 -0400https://liberty.io/where-is-my-pdf-printer-printing-my-documents.htmlhttps://liberty.io/where-is-my-pdf-printer-printing-my-documents.htmlRunning Kubuntu 17.10. I installed printer-driver-cups-pdf. When I print from any application (native ones like Kate or others like Firefox), there is a default 'Print to file' printer and a 'PDF' ...Sat, 01 Aug 2026 17:52:32 -0400https://liberty.io/internet-not-working-after-installing-usb-dongle-software.htmlhttps://liberty.io/internet-not-working-after-installing-usb-dongle-software.htmlI am using Ubuntu 16.04. After installing the software for my Airtel 4G USB dongle, I am having a strange problem. Internet through the dongle is working and WIFI while using the dongle on a rout......Sat, 01 Aug 2026 17:49:56 -0400https://liberty.io/can-i-install-and-run-ubuntu-on-celeron-j3455-processor-duplicate.htmlhttps://liberty.io/can-i-install-and-run-ubuntu-on-celeron-j3455-processor-duplicate.htmlI'm getting a budget laptop, and I want to make sure it would run ubuntu 20.4 fine. I know the minimum requirement is 2gh dual-core, but I never had experience with this processor before. here are ......Sat, 01 Aug 2026 17:46:49 -0400https://liberty.io/how-to-use-rsync-from-within-a-python-script-closed.htmlhttps://liberty.io/how-to-use-rsync-from-within-a-python-script-closed.htmlI plan to move file from one system to another system. For this, I am using rsync command in linux terminal. It works fine. But I need to implement this command to python. I am very new in python, ......Sat, 01 Aug 2026 17:34:56 -0400https://liberty.io/amd-radeon-hd-7470m-proprietary-driver-not-working-on-ubuntu-12-04lts.htmlhttps://liberty.io/amd-radeon-hd-7470m-proprietary-driver-not-working-on-ubuntu-12-04lts.htmlI have manually tried to install AMD Radeon HD 7470M proprietary drivers from AMD official site. But after installing when I tried to launch Catalyst Control Center, a message is shown like this: ......Sat, 01 Aug 2026 17:27:45 -0400https://liberty.io/how-to-correctly-pronounce-xenial-xerus.htmlhttps://liberty.io/how-to-correctly-pronounce-xenial-xerus.htmlWhen referring to the latest Ubuntu 16.04 to friends, I often struggle about the pronunciation of "Xenial Xerus". Is there a universal pronunciation form? If so, which is? If not, how to determin......Sat, 01 Aug 2026 17:27:14 -0400https://liberty.io/how-to-use-dual-sim-wwan.htmlhttps://liberty.io/how-to-use-dual-sim-wwan.htmlI am trying to use a dual sim "Sierra Wireless, Incorporated EM7455" PCIe module, the first sim has been working for a long time but now I want to build in redundancy / coverage (i.e. ...Sat, 01 Aug 2026 17:18:32 -0400https://liberty.io/how-to-save-print-paper-size-in-libreoffice-calc.htmlhttps://liberty.io/how-to-save-print-paper-size-in-libreoffice-calc.htmlI'm printing many Excel files everyday, each file has many sheets. I'm going to print all sheets together in my own paper size like "longbond" but for every sheet I have to change one by one from ......Sat, 01 Aug 2026 17:16:46 -0400https://liberty.io/debian-frontend-environment-variable.htmlhttps://liberty.io/debian-frontend-environment-variable.htmlMy potential hosting provider suggests to run a command in the terminal in order to make KVM based server's OS image minimal. Since their KVM templates come with packages I will not need, I thought I ...Sat, 01 Aug 2026 17:13:14 -0400https://liberty.io/how-to-import-a-variable-from-another-script.htmlhttps://liberty.io/how-to-import-a-variable-from-another-script.htmlI want to get a variable from another script, as demonstrated in this question on Stack Overflow: How to reference a file for variables in a bash script However, the answer uses the source command ...Sat, 01 Aug 2026 17:05:53 -0400https://liberty.io/how-to-make-ip-address-static-eth0.htmlhttps://liberty.io/how-to-make-ip-address-static-eth0.htmlI'm having a really hard time configuring ubuntu 13.04 to have a static ip address. I have tried multiple solutions but everytime I reboot (can't do the network reset command because ubuntu freezes......Sat, 01 Aug 2026 16:58:37 -0400https://liberty.io/wireguard-only-works-if-i-use-wg-quick.htmlhttps://liberty.io/wireguard-only-works-if-i-use-wg-quick.htmlI am using ubuntu 18.04 and I am trying to use wireguard with the NetworkManager, but does not recognize wireguard I have tried the following command nmcli connection import type wireguard file &qu......Sat, 01 Aug 2026 16:55:50 -0400https://liberty.io/finding-out-what-package-a-command-came-from-duplicate.htmlhttps://liberty.io/finding-out-what-package-a-command-came-from-duplicate.htmlIs there a generalised way to find out what package caused the installation of a command?...Sat, 01 Aug 2026 16:49:31 -0400https://liberty.io/how-to-upgrade-docker-compose.htmlhttps://liberty.io/how-to-upgrade-docker-compose.htmlMy Ubuntu 20.04 installs version 1.25.0 of docker-compose while the most recent version is 2.0.1 (why is that?). Is there any method to force Ubuntu to install the latest version? If not, so I have......Sat, 01 Aug 2026 16:49:01 -0400https://liberty.io/transmission-won-039-t-launch-script-after-download-on-ubuntu-server-1.htmlhttps://liberty.io/transmission-won-039-t-launch-script-after-download-on-ubuntu-server-1.htmlI am on a completely fresh install. After installation I have only installed Transmission. (transmission-cli transmission-common transmission-daemon) Then I created a file under /var/lib/transmis......Sat, 01 Aug 2026 16:44:18 -0400https://liberty.io/how-to-copy-and-paste-usb-trial-of-ubuntu-21-10-on-macbook-pro.htmlhttps://liberty.io/how-to-copy-and-paste-usb-trial-of-ubuntu-21-10-on-macbook-pro.htmlLong story short, I am testing out Ubuntu 21.10 through a USB connected to my Macbook Pro laptop (mid-2014). How can I use copy and paste on Ubuntu 21.10? I tried adding the keyboard shortcut (comm......Sat, 01 Aug 2026 16:36:22 -0400https://liberty.io/what-is-the-default-vim-colorscheme.htmlhttps://liberty.io/what-is-the-default-vim-colorscheme.htmlI really like the default vim colorscheme in 10.10 but I can't figure out what it's called -- I want to turn it on for my Debian box as well....Sat, 01 Aug 2026 16:32:13 -0400https://liberty.io/kernel-configuration-is-invalid-error-while-trying-to-install-paragon-.htmlhttps://liberty.io/kernel-configuration-is-invalid-error-while-trying-to-install-paragon-.htmlshort question: While running the install.sh Skript for Paragon UFSD drivers I get the Error message: ERROR: Kernel configuration is invalid."; \include/generated/autoconf.h or include/config/a......Sat, 01 Aug 2026 16:19:49 -0400https://liberty.io/install-datastax-java-driver-on-ubuntu-15-04.htmlhttps://liberty.io/install-datastax-java-driver-on-ubuntu-15-04.htmlI am trying to Install a datastax java-driver on ubuntu 15.04, can anyone advise the best course of action as the github repo does not give a detailed procedure?...Sat, 01 Aug 2026 16:14:49 -0400https://liberty.io/error-building-main-guest-additions-module-while-installing-virtualbox.htmlhttps://liberty.io/error-building-main-guest-additions-module-while-installing-virtualbox.htmlI have installed Ubuntu 12.10 Guest on Ubuntu 12.04 Host using VirtualBox. Everything is from repository and no direct install. When I install the guest additions, the below error is shown in the c......Sat, 01 Aug 2026 16:03:01 -0400https://liberty.io/how-to-fix-this-error-e-some-index-files-failed-to-download-they-have-.htmlhttps://liberty.io/how-to-fix-this-error-e-some-index-files-failed-to-download-they-have-.htmlWhen I try to run the following command in Ubuntu 13.04: sudo apt-get update I got following error: W: Failed to fetch http://ppa.launchpad.net/upubuntu- com/xampp/ubuntu/dists/raring/main/...Sat, 01 Aug 2026 16:02:54 -0400https://liberty.io/is-this-a-fake-softeware-update-how-do-i-identify-a-process-id-of-this.htmlhttps://liberty.io/is-this-a-fake-softeware-update-how-do-i-identify-a-process-id-of-this.htmlThe dialogue shown in the bottom of the picture just came up. It looks unfamiliar, so I run software updater manually which completed and be seen in the above half of the picture. The reasons the ......Sat, 01 Aug 2026 16:01:23 -0400https://liberty.io/lscpu-gives-no-output-in-wsl.htmlhttps://liberty.io/lscpu-gives-no-output-in-wsl.htmlI'm in Ubuntu on Windows. I'm in Ubuntu 16.04.2 LTS. I'm confused that lscpu doesn't give any output. But man lscpu and lscpu -h will give me right information. What's the problem and how can I ......Sat, 01 Aug 2026 15:53:10 -0400https://liberty.io/how-to-install-my-graphic-drivers-in-a-vm.htmlhttps://liberty.io/how-to-install-my-graphic-drivers-in-a-vm.htmlI don't want to partially install and try error as I don't want to break my system. firstly I don't know IF my graphic is installed at all. secondly I don't know how to install my graphic thirdly I......Sat, 01 Aug 2026 15:49:18 -0400https://liberty.io/multithreaded-http-downloader.htmlhttps://liberty.io/multithreaded-http-downloader.htmlI am looking for a command line tool that can download multiple urls with multiple threads e.g. wget2 -n 5 http://stackoverflow.com/ http://askubuntu.com/ http://bobo.com/ Where -n = number of th......Sat, 01 Aug 2026 15:37:04 -0400https://liberty.io/how-to-add-kernel-module-parameters.htmlhttps://liberty.io/how-to-add-kernel-module-parameters.htmlHow to add a kernel module parameter in Ubuntu 11.04? Can I use the /etc/module file? If yes, how?...Sat, 01 Aug 2026 15:32:38 -0400https://liberty.io/how-can-i-check-what-kind-of-video-card-i-have.htmlhttps://liberty.io/how-can-i-check-what-kind-of-video-card-i-have.htmlIs there any command line or program in Ubuntu 9.04 I can use to get information about my video card?...Sat, 01 Aug 2026 15:26:06 -0400https://liberty.io/how-can-i-list-all-applications-installed-in-my-system.htmlhttps://liberty.io/how-can-i-list-all-applications-installed-in-my-system.htmlI know, I just can hit Super+A to see all installed apps in Ubuntu, but I need a command to list their names. The command dpkg --get-selections | awk '{print $1}' is also not an option because it......Sat, 01 Aug 2026 15:22:21 -0400https://liberty.io/printing-service-not-available.htmlhttps://liberty.io/printing-service-not-available.htmlSorry if this question looks familiar: I tried solutions proposed by google searches but they either are not working or are too technical for me. I messed with cups a few days ago, I don't recall ...Sat, 01 Aug 2026 15:05:40 -0400https://liberty.io/unbound-install-config-error-with-mounting.htmlhttps://liberty.io/unbound-install-config-error-with-mounting.htmlhttps://www.prado.it/2012/04/14/how-to-configure-unbound-on-ubuntu-11-10/ Following this guide to install Unbound for DNS purposes and I have ran in to a problem with the following cmd: sudo mount --...Sat, 01 Aug 2026 15:04:38 -0400https://liberty.io/how-to-update-qt-5-4-1-to-qt-5-5.htmlhttps://liberty.io/how-to-update-qt-5-4-1-to-qt-5-5.htmlI want to update qt 5.4.1 to Qt 5.5 or 5.4.2 because I want to test KDE Plasma on WayLand. Note: Please provide solution that consume least network resources as I have limited bandwidth. KUbuntu ......Sat, 01 Aug 2026 15:01:56 -0400https://liberty.io/user-talz-ask-ubuntu.htmlhttps://liberty.io/user-talz-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Sat, 01 Aug 2026 14:32:03 -0400https://liberty.io/extension-randr-missing-on-xvfb.htmlhttps://liberty.io/extension-randr-missing-on-xvfb.htmlUbuntu: $lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty Xvfb: $ dpkg -s xvfb Package: xvfb St......Sat, 01 Aug 2026 14:32:02 -0400https://liberty.io/ssh-temporary-failure-in-name-resolution.htmlhttps://liberty.io/ssh-temporary-failure-in-name-resolution.htmlI am attempting to ssh into a lab computer using Ubuntu WSL and a VPN, and I have been receiving this error: ssh: Could not resolve hostname labname.socsci.uniname.edu: Temporary failure in name ...Sat, 01 Aug 2026 14:29:42 -0400https://liberty.io/trap-gnome-terminal-close-button.htmlhttps://liberty.io/trap-gnome-terminal-close-button.htmlI can trap the exit command from a gnome-terminal window using the Bash trap command, but it only works if the user types exit in the terminal window. If the user clicks the close button instead, ......Sat, 01 Aug 2026 14:25:12 -0400https://liberty.io/how-can-i-install-gdb-arm-none-eabi-on-ubuntu-18-04-bionic-beaver.htmlhttps://liberty.io/how-can-i-install-gdb-arm-none-eabi-on-ubuntu-18-04-bionic-beaver.htmlIn previous versions of Ubuntu, GDB for ARM Cortex processors was part of the package gdb-arm-none-eabi. Searching https://packages.ubuntu.com/ for gdb-arm-none-eabi for Ubuntu 18.04 doesn't return......Sat, 01 Aug 2026 14:14:17 -0400https://liberty.io/command-line-dvd-creation-with-chapters-and-menu.htmlhttps://liberty.io/command-line-dvd-creation-with-chapters-and-menu.htmlI have several personal video and I would like to put them on a dvd. I would like to classify them by year; so the menu would list the year, and each video should be a chapter. I could do that wit......Sat, 01 Aug 2026 13:54:40 -0400https://liberty.io/issue-when-installing-php-dev-in-ubuntu-20-04.htmlhttps://liberty.io/issue-when-installing-php-dev-in-ubuntu-20-04.htmlI am getting the following error: root@56709:/etc/nginx/conf.d# apt install php7.4-dev Reading package lists... Done Building dependency tree Reading state information... Done Some packages could n......Sat, 01 Aug 2026 13:50:47 -0400https://liberty.io/how-to-reset-smart-results.htmlhttps://liberty.io/how-to-reset-smart-results.htmlHow can I reset the SMART results so it does not register previous results. My reason is that I was testing the hard drives closed together on a closed case. This made one of the HDD fail the Airflow ...Sat, 01 Aug 2026 13:47:02 -0400https://liberty.io/when-using-sudo-to-run-pip-pip-command-not-found-but-it-039-s-installe.htmlhttps://liberty.io/when-using-sudo-to-run-pip-pip-command-not-found-but-it-039-s-installe.htmlsudo easy_install pip Searching for pip Best match: pip 1.4.1 Processing pip-1.4.1-py2.7.egg pip 1.4.1 is already the active version in easy-install.pth Installing pip script to /home/nyzlfc/.loca......Sat, 01 Aug 2026 13:30:06 -0400https://liberty.io/why-does-find-exec-only-accept-in-some-positions.htmlhttps://liberty.io/why-does-find-exec-only-accept-in-some-positions.htmlThe following command is working fine: find . -iname \*.7z -exec ls {} -al \; But while I change \; to \+ , That is: find . -iname \*.7z -exec ls {} -al \+ I got error report: missing argument......Sat, 01 Aug 2026 13:29:01 -0400https://liberty.io/how-can-i-display-my-machine-039-s-ip-address-on-a-tty-login-screen.htmlhttps://liberty.io/how-can-i-display-my-machine-039-s-ip-address-on-a-tty-login-screen.htmlThe server I administrate has a dynamic IP address assigned by DHCP, which is inconvenient. When I want to SSH into it, I have to first log in by hand and use ifconfig to find its current IP address. ...Sat, 01 Aug 2026 13:23:34 -0400https://liberty.io/how-can-i-hide-a-running-program-icon-from-the-notification-bar-and-la.htmlhttps://liberty.io/how-can-i-hide-a-running-program-icon-from-the-notification-bar-and-la.htmlWhat can I do for hiding a program icon from the notification bar and Unity Launcher?...Sat, 01 Aug 2026 13:17:13 -0400https://liberty.io/how-to-set-a-shortcut-for-always-on-top-for-window.htmlhttps://liberty.io/how-to-set-a-shortcut-for-always-on-top-for-window.htmlIn 12.04 (Unity), I would like to assign a shortcut to the "always on top option" for a window. Probably something like Ctrl+Shift+Home to turn on and Ctrl+Shift+End to turn off, or whatever. Is th......Sat, 01 Aug 2026 13:06:58 -0400https://liberty.io/watchdog-bug-soft-lockup-cpu-6-stuck-for-23s.htmlhttps://liberty.io/watchdog-bug-soft-lockup-cpu-6-stuck-for-23s.htmlI tried every solutions I found on google ... I can't find out why my server is crashing ... Aug 5 17:11:08 kernel: [ 2300.084576] watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [VM Thread:405......Sat, 01 Aug 2026 12:59:45 -0400https://liberty.io/how-to-add-persian-farsi-keyboard-input-method-in-lubuntu-14-04.htmlhttps://liberty.io/how-to-add-persian-farsi-keyboard-input-method-in-lubuntu-14-04.htmlIn Lubuntu 14.04 I went to "Preferences> Keyboard input methods > select an input method > show all input methods" but there is no persian (or farsi) to select....Sat, 01 Aug 2026 12:49:18 -0400https://liberty.io/how-to-fix-apache-is-not-running.htmlhttps://liberty.io/how-to-fix-apache-is-not-running.htmli installed xampp in my ubuntu 12.04. but Apache was not running. like this: $ sudo lampp status Version: XAMPP for Linux 1.5.5a Apache is not running. MySQL is running. ProFTPD is running. then ......Sat, 01 Aug 2026 12:46:57 -0400https://liberty.io/why-genymotion-doesn-039-t-work-even-if-virtualbox-installed.htmlhttps://liberty.io/why-genymotion-doesn-039-t-work-even-if-virtualbox-installed.htmlFirstly, I have installed VirtualBox throught the terminal. After that installed Genymotion. My OS is Ubuntu 16.04. But Genymotion tells that I need to install VirtualBox. What can be the reason fo......Sat, 01 Aug 2026 12:44:11 -0400https://liberty.io/script-to-format-phone-numbers.htmlhttps://liberty.io/script-to-format-phone-numbers.htmlNoob here, I need help with a shell script. I need to remove hyphens and add opening parenthesizes around the area code. I am able to show just the area code by adding echo {phone:0:3} to the scrip......Sat, 01 Aug 2026 12:42:41 -0400https://liberty.io/woeusb-ng-does-not-stop-unmounting-and-removing.htmlhttps://liberty.io/woeusb-ng-does-not-stop-unmounting-and-removing.htmlI'm trying to use woeusb to create a usb bootable windows 10. During the installation I have a load that seems infinite on the "Unmounting and removing /media/woeusb_target_1642606110_3688...&......Sat, 01 Aug 2026 12:41:55 -0400https://liberty.io/index-html-not-loading-by-default.htmlhttps://liberty.io/index-html-not-loading-by-default.htmli have Ubuntu 18.04 and have Apache 2.4.29 i have <VirtualHost *:80> ServerName blah.com DocumentRoot /var/www/html DirectoryIndex index.html index.php ... <Directory /var/www/......Sat, 01 Aug 2026 12:40:22 -0400https://liberty.io/unable-to-connect-to-windows-vpn-in-ubuntu-11-10.htmlhttps://liberty.io/unable-to-connect-to-windows-vpn-in-ubuntu-11-10.htmlI am very very new bie in the world of Ubuntu. I have recently installed Ubuntu 11.10 and I am not able to connect to Windows VPN. When I login to Windows 8 I am able to connect to VPN using defa......Sat, 01 Aug 2026 12:39:59 -0400https://liberty.io/restore-usr-bin-latex-on-ubuntu-duplicate.htmlhttps://liberty.io/restore-usr-bin-latex-on-ubuntu-duplicate.htmlI wanted to uninstall texlive on ubuntu and used apt remove texlive but some program still found /usr/bin/latex so I removed that by hand (rm). When I reinstalled texlive with apt install texlive t......Sat, 01 Aug 2026 12:38:28 -0400https://liberty.io/how-to-install-moto-drivers-for-adb.htmlhttps://liberty.io/how-to-install-moto-drivers-for-adb.htmlAs stated above, I want to install moto drivers on my laptop thats running ubuntu 14.04. I have adb installed but im not sure how to install my drivers. http://developer.android.com/tools/device.h......Sat, 01 Aug 2026 12:36:43 -0400https://liberty.io/grep-particular-word-from-a-line-using-grep-awk-commands.htmlhttps://liberty.io/grep-particular-word-from-a-line-using-grep-awk-commands.htmlI Tried this cmd: # mount | grep -E '\s/dev/shm\s' | awk -F "(" '{print $NF}' Expectations: rw,nosuid,nodev,seclabel What I get this: rw,nosuid,nodev,seclabel) and I also tried this o......Sat, 01 Aug 2026 12:29:27 -0400https://liberty.io/using-a-putty-private-key-from-windows-to-linux.htmlhttps://liberty.io/using-a-putty-private-key-from-windows-to-linux.htmlI've generated two keys on PuTTY: public and private. Using this software on windows I can connect to the server as usual. Then I tried to copy those files in my ubuntu machine (21.04), and logged in ...Sat, 01 Aug 2026 12:27:38 -0400https://liberty.io/var-log-secure-not-present-in-14-04-is-there-any-alternative.htmlhttps://liberty.io/var-log-secure-not-present-in-14-04-is-there-any-alternative.htmlWhile reading about Linux, especially about sudo, I got: A message such as the following would appear in a system log file (usually /var/log/secure) when trying to execute sudo bash without ...Sat, 01 Aug 2026 12:22:15 -0400