General Q&A about Linux and Unix-like operating systems
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I'm playing with NAT, and have a script now that, at startup of my little Linux machine, creates some DNAT rules, which take one incoming special port, and forward that to another interface with a ...
I want to remove all files with the ".part" extension in the current directory and its subdirectories, including files with the same name but different extension. Is this correct? find . -name '*...
I want the cd command to automatically change to the first directory that matches a fuzzy search, without prompting me to select between multiple options. This is what I've tried: cd() { loc...
I noticed in winetricks that it can install windows dlls to the wine folder. It even gives an option to install almost all of them at once. When should someone install these instead of staying with...
Suppose I have a command that takes filenames as arguments, like: diff foo.txt bar.txt What if instead of actual files, I want to use the results of a command in each? I can use temporary files: ...
How can I view font files, like .ttf, in Linux? I'd like to see a sample of the font (quick brown fox...) and metadata about it (like exact name).
I'm trying to help fix a Debian installation that has ended up with a mix of Debian release repositories, aka a "FrankenDebian". This one has the bullseye and unstable repositories listed in /etc/a...
I can easily run Windows games with wine by running: wine game.exe However, if I want to use Proton I have to run Steam, add the game as a non-Steam game, and run it that way. Since Proton is ...
After installing the InconsolataGo font from the Arch package extra/ttf-inconsolata-go-nerd, I see there is an Inconsolata Nerd Font, Regular and an Inconsolata Nerd Font Mono, Regular. Both are mo...
I use Wine to play Windows games. As is well known: Wine is not a sandbox Windows games are proprietary blobs and can contain malware Windows malware can potentially harm Linux through Wine ...
I have a directory filled with Flac audio files and I would like to convert them all to Mp3. How do I go about this using FFmpeg? I am using the git FFmpeg and Slackware -current.
Question How can I view storage usage breakdown by media type? MWE Notes Commandline would be great, but open to anything.
Question What is the simplest way to change the cursor to indicate vim mode when using zsh? Notes I want it to show as a vertical line in insert mode and a block in normal mode. This is the cur...
Problem I want to set a global keyboard rate for both the X session and the console that persists for external keyboards, across plug-ins and removals. To my understanding, Xorg and console sett...
How can I grow a libvirtd VM's LVM-backed virtual disk online, without rebooting the vm. My host has an LVM VG for VMs. Each VM disk is an LV to the host. It's easy to grow the VG by adding a PV...
Problem I'd like to be able to decrease images, particularly jpg and png's, either to a percentage of the original file, or a specified size in bytes. MWE decrease --size=900KB -o image_small....
Suggest me the most security and privacy focused Linux distro within three of them given below. Fedora Qubes OS Whonix. Please help me to choose. Thank you.
How can I convert PDF to docx using the terminal or a Linux app? The output docx must be formatted with editable text. Some alternative solutions I've seen online using soffice and abiword output...
I am using Linux and Gnome. Using GDK, I would like to programmatically manipulate the Top Bar (i.e., the bar at the top of the screen with "Activities", the time, etc.). Here is a picture of it: ...
I have a GNU/Linux host that I use to aggregate syslog events from a few switches, printers, and generally less versatile hosts on my LAN. I set up rsyslog years ago to listen on UDP:514 and save ...
An article in the GTK blog explains the situation very well, but here is my go at it. In my keyboard layout, accents are handled as dead keys, so to insert "ë", first I type ¨ and then e. Nothing ...
My device is Thinkpad E40 with openSUSE Leap 15.4. I've use this device under this OS weeks ago and didn't happen this problem. After normally running, wlan0 device not show in nmcli and my wirele...
MWE startx && xrandr-invert-colors Problem It seems that anything after startx does not get issued in the resulting X session. I'd like to make a bash function that sets up my monito...
Question What partition type should I use for FAT partitions such that Linux and Windows systems both recognize the drive? Notes I am partitioning the drive with fdisk and making the filesystem ...
I have used printers before in Arch Linux, but I can't figure out how to print with a Canon PIXMA TR4522 printer. More specifically, I am having trouble finding the correct driver. I have installe...
I was installing Debian. But, I know that I have installed wireless connection system manually in Debian. are e needs non-free firmware files to operate. The firmware can be h as a USB stick o...
..$ rails s => Booting Puma => Rails 5.2.6 application starting in development => Run `rails server -h` for more startup options A server is already running. Check /home/istiak/ruby/q...
It takes a long time to build even the source package for a PPA of a huge project, and while the build isn't finished my computer is under heavy load so I can barely navigate a browser. The frustra...
For several days now, I've been getting a notification telling me that there's a pending update to the "snap-store", and to close the app to avoid disruption. I first got this notification while...
Assuming I have a running Linux system that has the /proc/config.gz file: Does the (unpacked) file always contain all of the options the particular kernel supports, including commented out like: ...
So I ran into that weird "packages being held back" problem while updating my system using apt. After some research, it appears to be the result of "phased updates". What are phased updates, any...
I have upgraded Xubuntu from 20.04 to 22.04 and my compose key, which defaulted to Shift + AltGr, was disabled. It is no longer available in the keyboard settings GUI either. How can I set the com...
Problem I can rotate output, but it does not fill screen. Instead it rotates in place so that the right side of the screen goes off the monitor. xrandr --output HDMI-2 --auto --mode 1920x1080 --...
A system daemon needs to create several files under /run/program-name/ (and possibly other subdirs of that). They are the PID file, and at least one Unix socket file (but maybe more). The FHS spe...
That's my Bash script: #!bin/sh cd qpixel sudo systemctl enable mysql mysql -u root -p rails s When it executes the line mysql -u root -p it will ask for password. To do so, I have tried...
I'd like to use the answers in this post while using zsh: compgen -c # will list all the commands you could run. compgen -a # will list all the aliases you could run. compgen -b # will list a...
If I want to yank my last command I can UP yy, but this does not copy to the system clipboard. How do I configure my terminal to copy to the system clipboard so I can paste into other programs? ...
I am running Debian stretch on a Lenovo laptop with only a window manager (i.e. no desktop). Out of the box, this configuration of Debian ignores the keys with special Fn functions, such as volum...
I run an environment that, until recently, did all local name resolution by putting names in /etc/hosts. I'm in the process of replacing that with local DNS. The DNS part works fine, and now I'm tr...
A project I want to work on requires Ruby. I was directed to RVM or rbenv. I tried rbenv first because it has Mac instructions, ran into failures, uninstalled it and installed RVM, and still ran ...
Using BASH, how can I redirect stdout and stderr each, to two separate files, simultaneously? That's a mouthful, let me clarify a little: I have a hypothetical script that may/will generate outpu...
I have a RPi in the car that I need to act as a mobile AP. I need it to provide a consistent, unchanging ESSID (in AP mode) using the onboard wlan0 for all devices that stay in my car. Dashcams, t...
I have a shell script with a syntax compatible to both bash and zsh, except for a section that has zsh specific syntax that throws syntax errors if sourced from bash. Is there an easy way to escap...
GNU Screen and Tmux allow you to run command-line programs on a server, and 'disconnect' from them but let them keep running remotely. This is great if your primary computer is a laptop and it has...
I would want to... ... turn my sensors output into a live histogram. How to? Any available script already written? (✿◠‿◠)
I have a few CentOS servers that I want to stay automatically up to date with yum-cron, and I want to get emails when there are problems but I do not want to get so many emails about repos being ou...
Since the Pause key is useless, I tried to map it to a modifier key. What is straightforward for other keys turned out not to work fine for Pause. By inspecting the output of xev -event keyboard |...
I have some old X11 applications complain that they cannot find a ISO8859-2 font. So I executed grep -r 8859-2 /usr/share/fonts/ and, to my surprise, found many matches, for example ==> /us...
I had a nightly cronjob start throwing errors about "inappropriate permissions..." rsync: [generator] failed to set permissions on "/data2/home/redacted/alsoredacted/opt/dell/srvadmin/var/log/open...
