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submitted 3 days ago by marighost@piefed.social to c/linux@lemmy.ml

I've been setting up a new Proxmox server and messing around with VMs, and wanted to know what kind of useful commands I'm missing out on. Bonus points for a little explainer.

Journalctl | grep -C 10 'foo' was useful for me when I needed to troubleshoot some fstab mount fuckery on boot. It pipes Journalctl (boot logs) into grep to find 'foo', and prints 10 lines before and after each instance of 'foo'.

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[-] TechnoCat@piefed.social 5 points 2 days ago

https://blog.sanctum.geek.nz/series/unix-as-ide/

# list all recursive files sorted by size  
$ fd -tf "" -x du -h | sort -h  
8.0K      ./asdfrc  
 20K      ./nvim/lua/lush_theme/bleak.lua  
 32K      ./alacritty.yml  
# find files by extension  
$ fd -e lua  
nvim/colors/bleak.lua  
nvim/init.lua  
nvim/lua/config/autocmds.lua  
# list found files in tree view  
$ fd -e lua | tree --fromfile  
.  
└── nvim  
    ├── colors  
    │   └── bleak.lua  
    ├── init.lua  
# Run "npm test" when a file changes in the src or test directories  
$ fd src test | entr -- npm test  
# find out how often you use each command  
history | cut -d " " -f 1 | sort | uniq -c | sort -n | tail -n 10  
  80 rm  
  81 lsd  
 107 asdf  
 136 npx  
 161 find  
 176 fd  
 182 cd  
 185 rg  
 247 brew  
 250 nb  
 465 npm  
 867 git  
this post was submitted on 16 Dec 2025
159 points (98.2% liked)

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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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