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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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Which Linux tool or command is surprisingly simple, powerful, and yet underrated?" (lemmy.ml)

submitted 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/[email protected]

327 comments fedilink hide all child comments

Which Linux command or utility is simple, powerful, and surprisingly unknown to many people or used less often?

This could be a command or a piece of software or an application.

For example I'm surprised to find that many people are unaware of Caddy, a very simple web server that can make setting up a reverse proxy incredibly easy.

Another example is fzf. Many people overlook this, a fast command-line fuzzy finder. It’s versatile for searching files, directories, or even shell history with minimal effort.

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[–] [email protected] 2 points 2 weeks ago (9 children)

Could you explain them in more depth? I opened them and don’t know

[–] [email protected] 5 points 2 weeks ago (6 children)

Fish is a replacement of bash that's a bit more user friendly (has some cool auto completion features out of the box and more sane behaviour like handling of spaces when expanding variables). I personally started to use nutshell recently but unlike fish it's very different from bash.

Starship is a "prompt" for various shells (that bit of text in terminal before you enter the command that shows current user and directory in bash). I haven't used it but AFAIK it has many features like showing current time, integration with git, etc.

[–] [email protected] 7 points 2 weeks ago (4 children)

Yep, here's my Starship prompt, for example:

So, I have it configured to show:

the exit code of the last command (if it's non-zero),
the duration of the last command (if it's longer than 2 seconds),
the time (when the last command ended),
the current directory,
the current Git branch, and it also shows some Git status information, for example the $ means I have something stashed,
and finally the technology in use in a repository/directory, so in this case that repo uses Rust and the compiler version is 1.83.

[–] dil 2 points 2 weeks ago (1 children)

This is sick!! Would you mind sharing your config?

[–] [email protected] 3 points 2 weeks ago

Nope, I'm glad to share.

I personalized it from the "Gruvbox Rainbow" preset from here: https://starship.rs/presets/
So, you might prefer that, if you're not, well, me.

You will need to set up a NerdFont, like the Starship installation guide says.

Here's my configuration:

Spoiler

"$schema" = 'https://starship.rs/config-schema.json'

format = """
[$status](bg:color_red fg:color_fg0)\
[](fg:color_red bg:color_orange)\
[$cmd_duration](bg:color_orange fg:color_fg0)\
[](fg:color_orange bg:color_yellow)\
[$time](bg:color_yellow fg:color_fg0)\
[](fg:color_yellow)\
$line_break\
[$directory](bg:color_aqua fg:color_fg0)\
[](fg:color_aqua bg:color_blue)\
[$git_branch\
$git_status](bg:color_blue fg:color_fg0)\
[](fg:color_blue bg:color_bg3)\
[$c\
$rust\
$golang\
$nodejs\
$php\
$java\
$kotlin\
$haskell\
$python\
$docker_context](bg:color_bg3 fg:color_fg0)\
[](fg:color_bg3)\
$line_break\
$line_break"""

palette = 'gruvbox_dark'

[palettes.gruvbox_dark]
color_fg0 = '#ffffff'
color_bg1 = '#3c3836'
color_bg3 = '#665c54'
color_blue = '#458588'
color_aqua = '#689d6a'
color_green = '#98971a'
color_orange = '#d65d0e'
color_purple = '#b16286'
color_red = '#cc241d'
color_yellow = '#d79921'

[status]
disabled = false
symbol = ""
format = ' $symbol $status '

[username]
format = ' $user '

[directory]
format = " $path "
truncation_length = 3
truncation_symbol = "…/"

[directory.substitutions]
"Documents" = "󰈙 "
"Downloads" = " "
"Music" = "󰝚 "
"Pictures" = " "
"Projects" = "󰲋 "

[git_branch]
symbol = ""
format = ' $symbol $branch '

[git_status]
style = "bg:color_aqua"
format = '$all_status$ahead_behind '

[nodejs]
symbol = ""
format = ' $symbol $version '

[c]
symbol = " "
format = ' $symbol $version '

[rust]
symbol = ""
format = ' $symbol $version '

[golang]
symbol = ""
format = ' $symbol $version '

[php]
symbol = ""
format = ' $symbol $version '

[java]
symbol = " "
format = ' $symbol $version '

[kotlin]
symbol = ""
format = ' $symbol $version '

[haskell]
symbol = ""
format = ' $symbol $version '

[python]
symbol = ""
format = ' $symbol $version '

[cmd_duration]
format = ' 󱦟 $duration '

[time]
disabled = false
time_format = "%R"
format = '  $time '

[line_break]
disabled = false

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