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linux/.README.md

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Custom system config.

This is my own custom config that I use on my GNU/Linux machines. Not ment to be used by anyone else.

Table of contents.

  1. General info.
  2. Load Gnome settings.
  3. Navigation.
  4. Nvim config.
  5. Bash commands.

General info.

It includes:

  1. Git config (excluding user info).
  2. Bash scripts and environment.
  3. Tmux config.
  4. Basic directory structure as well as redefining them as default.
  5. Custom bin directory.
  6. Collection of Linux configs (sshd, gnome, sysctl etc).
  7. GTK 3/4 configs.
  8. Htop config.
  9. Nvim config.
  10. SSH config.
  11. Custom background.
  12. Flatpak overrides.
  13. Custom fonts.

Load Gnome settings.

To load Gnome settings run dconf_load.

Navigation.

Navigation principles are shared between Gnome, Tmux and Nvim. The only difference is the "Leader" key. Gnome uses Super key, Tmux uses Meta (alt) key and Nvim uses Space. The rest somewhat repeats itself.

Gnome

Key Action
Super+Esc Lauch Terminal emulator.
Super+q Switch to the left workspace.
Super+e Switch to the right workspace.
Super+Q Move window to the left workspace.
Super+E Move window to the right workspace.
Super+| None.
Super+- None.
Super+w Toggle window maximize.
Super+s Minimize window.
Super+a Snap window to the left.
Super+d Snap window to the right.
Super+z Lock session.
Super+x Close window.
Super+c Minimize all windows.
Super+v Take a screenshot.
Super+f Toggle window fullscreen.

Tmux.

Key Action
Meta+Esc New window.
Meta+q Switch to the left window.
Meta+e Switch to the right window.
Meta+Q Move window to the left.
Meta+E Move window to the right.
Meta+| Split vertically.
Meta+- Split horizontally.
Meta+w Switch to the above split.
Meta+s Switch to the below split.
Meta+a Switch to the left split.
Meta+d Switch to the right split.
Meta+z Detach from session.
Meta+x Close window.
Meta+c Close split.
Meta+v Visual selection.
Meta+f None.

Nvim.

Key Action
Space+Esc None.
Space+q Switch to the left buffer.
Space+e Switch to the right buffer.
Space+Q Move buffer to the left.
Space+E Move buffer to the right.
Space+| Split vertically.
Space+- Split horizontally.
Space+w Switch to the above split.
Space+s Switch to the below split.
Space+a Switch to the left split.
Space+d Switch to the right split.
Space+z Save all and exit.
Space+x Close buffer.
Space+c Close split.
Space+v Visual selection.
Space+f None.

More info in Nvim config.

Nvim config.

TODO: preserve default shortcuts, only add new ones when adding new functionality.

General info.

  • Run :Update to update everything.
  • File tree shows everything by default, telescope ingores git-ignored files.

Keymaps.

Common. TODO: separate visual and others from common.

Mode Key Action
Normal, Visual 5dd Repeat following command N (5) times.
Normal . Repeat input on selected line.
Normal, Visual <Leader>. Repeat command on selected line(s).
Normal zz Save all files.
Normal ZZ, <Space>z Save all and quit.
Normal ZQ Quit without saving.
Normal v, <Space>v Visual selection (cursor).
Normal V Visual selection (lines).
Normal <C-v> Visual selection (block).
Normal gh Go to the start of the line.
Normal gl Go to the end of the line.
Normal gj Go to the end of the file.
Normal gk Go to the top of the file.
Normal u Undo action.
Normal U Redo action (remaps: undo whole line), (default: <C-r>).
Visual u Convert selection to lowercase.
Visual U Convert selection to uppercase.
Visual ~ Toggle case.
Normal, Visual ; Enter command mode (default: :).
Normal <Space>0 Open shortcuts help.

Align.

Mode Key Action
Visual <Space>A Align selection from the right.
Visual <Space>a Align selection from the left.

Autocomplete.

Mode Key Action
Input <C-Space> Autocomplete.
Normal <C-Space> LSP autocomplete.

Comments.

Mode Key Action
Normal, Visual <Space>/ Toggle selected line(s) comment.

File tree.

Mode Key Action
Normal <Space>1 Toggle file tree.
Normal <Tab> Toggle directory or open file for preview.
Normal a Create file/directory.
Normal x Cut file/directory.
Normal p Paste file/directory.
Normal f Filter.
Normal F Reset filter.
Normal d Delete file/directory.
Normal r Rename file.
Normal R Refresh.
Normal s Open in system app.
Normal S Search.
Normal I Toggle gitignore filter.
Normal y Copy name.
Normal Y Copy relative path.

Fold.

Mode Key Action
Normal <Space>o Toggle fold.
Normal <Space>O Fold everything.

Git.

Mode Key Action
Normal <Space>g Toggle git inspection mode.

Macros.

Mode Key Action
Visual mw" Wrap selection in ".
Visual mw3" Wrap selection in 3x ".
Visual mw' Wrap selection in '.
Visual mw( Wrap selection in ().
Visual mw{ Wrap selection in {}.
Visual mw[ Wrap selection in [].
Visual mw` Wrap selection in `.
Visual mw3` Wrap selection in 3x `.
Visual mw* Wrap selection in *.
Visual mw2* Wrap selection in 2x *.
Visual mw3* Wrap selection in 3x *.
Normal, Visual mmx Markdown: set - [ ] as completed.
Normal, Visual mm Markdown: set - [x] as not completed.
Normal mmp Markdown: insert paragrapg (2x non-breakable spaces).
Visual mmb Markdown: make selection bold.
Visual mmi Markdown: make selection italic.
Visual mms Markdown: make selection strikethrough.
Visual mmr Markdown: make selection a reference.
Visual mmc Markdown: make selection a code block.
Normal mi Copy and increment selected line.
Normal ma Select all.

Navigation.

Mode Key Action
Normal <Space>w Switch to the split above.
Normal <Space>a Switch to the split left.
Normal <Space>s Switch to the split below.
Normal <Space>d Switch to the split right.
Normal <Space>q Swtich to the buffer left.
Normal <Space>e Swtich to the buffer right.
Normal <Space>Q Move the buffer left.
Normal <Space>E Move the buffer right.
Normal <Space>x Close the buffer.
Normal <Space>X Close all invisible buffers.
Normal <Space>m Move split.
Normal <Space>| Split vertically.
Normal <Space>- Split horizontally.
Normal <Space>c Close split.
Input <C-h> Move left.
Input <C-l> Move right.
Input <C-j> Move down.
Input <C-k> Move up.

Telescope.

Mode Key Action
Normal <Space>ff Find files.
Normal <Space>fg Find grep (find text within files).
Normal <Space>fb Find buffer.
Normal <Space>fh Find help.
Normal <Space>ft Find treesitter (vars, functions etc).
Normal <Space>fa Find all (default treesitter window).

Terminal.

Mode Key Action
Normal <Space>4 Open terminal.
Terminal <Esc> Detach from terminal.

To-do.

Write TODO: or NOTE: to make it searchable.

Mode Key Action
Normal <Space>3 Open to-do list.

Trouble.

Mode Key Action
Normal <Space>2 Open LSP trouble list.

Which key.

Mode Key Action
Normal <Space>0 Show context hotkey help.

Window management.

Mode Key Action
Normal - Decrease split size vertically.
Normal _ Increase split size vertically.
Normal \ Decrease split size horizontally.
Normal | Increase split size horizontally.
Normal <Space>= Equalize split sizes.

Bash commands.

Android.

Command Description
emulator Start android emulator. Not portable, it has to be named "default".

Archive.

Those are self-written scripts to create archives. They are basically compressed tar archives with SHA1 hashes in their names. They are exported so also available in parallel like this: ls | parallel -j 8 -- archive {}

Command Description
archive [DIRS] Create archive with the best compression (slow). If no args given, archives all files in current directory as separate archives.
archive_fast [DIRS] Like normal archive but with minimal compression.
archive_check [DIRS] Check specified archives or all archives in current directory.
unarchive [DIRS] Check specified or all archives and extract if they are correct.

Battery.

Command Description
battery_level Print battery charge level (if available).

Bootstrap.

Shortcuts to install different stuff.

Command Description
bootstrap_cargo Install cargo.
bootstrap_texlive Install TeXLive package.
bootstrap_grub Install grub theme. Requires root.
bootstrap_ffmpeg Install ffmpeg in flatpak to make ~/app/bin/ffmpeg work.

Checksum.

Command Description
checksum new Create checksums recursively.
checksum check Check previously created checksums.

Chmod.

Command Description
x [FILE] Make file executable.

Color.

How to use.

Most of the time you want to use it with echo. To make echo respect colors, you need to use -e flag like that:

export color_default="\033[0m"
export color_red="\033[0;31m"
echo -e "${color_red}hello world!${color_default}" # will print "hello world!" in red.

Don't forget to use color_default at the end, or your whole terminal will be red.

List of colors.

Please note that colors depend on Terminal Emulator and may vary based on its settings.

Color Code
default \033[0m
blue \033[0;34m
blue (bold) \033[1;34m
cyan \033[0;36m
cyan (bold) \033[1;36m
green \033[0;32m
green (bold) \033[1;32m
purple \033[0;35m
purple (bold) \033[1;35m
red \033[0;31m
red (bold) \033[1;31m
white \033[0;37m
white (bold) \033[1;37m
yellow \033[0;33m
yellow (bold) \033[1;33m

Copy/paste.

Command Description
echo a | copy Copy a to system clipboard.
paste > file.txt Paste system clipboard to a file (or pipe).

File copy (cp).

Command Description
cp [FROM] [TO] Copy files or dirs. Actually, it is an alias for rsync -ahP.
cp_merge [FROM] [TO] Mirror directories. Same as rsync --delete.
cp_link Copy directory by recursively creating hardlinks and directories.
bcp Default cp command.

Date.

Command Description
today Return today's date in YYYYmmdd format.
dow Return today's day of week, where 1 is Monday.

Dconf (gnome settings).

Command Description
dconf_load Load custom settings.
dconf_save Export all current setting in a file to inspect.

Disk.

Command Description
df Show free disk space (only physical media).
du [DIR] Show disk usage.

Docker.

Command Description
docker_volumes [CONTAINER] Show volumes of a specified container.
docker_health Show containers that exited with an error code.
docker_prune Heavy cleanup to free up space.
docker_ip [CONTAINER] Show IP of a specified container.
docker_update Update all Docker images.
dc Short for docker compose.
dcu [SERVICE] Start a compose service.
dcd [SERVICE] Remove a compose service.
dcp [SERVICE] Pull image for a compose service.
dcl [SERVICE] Show logs for a compose service.
dcr [SERVICE] Restart a compose service.
dcs [SERVICE] Stop a compose service.
dcdu [SERVICE] Recreate a compose service.
dcpu [SERVICE] Update and recreate a compose service.
dcul [SERVICE] Start a compose service and show its logs.

Environment variables.

Variable Description
PATH Defines where to find binaries. Modified to also include $HOME/app/bin/ recursively.
LANGUAGE Specifies UTF-8 as default.
EDITOR Specifies nvim as a default editor.
MANPAGER Specifies nvim as a default man viewer.
JAVA_HOME Specifies where JDK is stored.
ANDROID_SDK_ROOT Specifies where Android SDK is stored.
TEXMFVAR, TEXMFCONFIG, TEXMFLOCAL Specifies paths for TeXLive user directories.

Ffmpeg.

Command Description
ffmpeg_mux_audio [SOUND] [RESULT] Mux external audio into one container with video (replaces original audio). Run inside dir with original video. [SOUND] names should be the same for each video.

Files.

Command Description
o [FILE] Open file with default GUI app.

Fix.

Contains simple fixes for warious issues.

Command Description
fix_ethernet_speed [SPEED] Specify ethernet speed if it failed to set correct speed automatically. [SPEED] can be 10/100/1000 etc.
fix_files_sftp Make Nautilus forget incorrect password for SFTP connection.

Git.

Command Description
git_tag Print git tag.
gps Git push.
gpsf Git push --force.
gpl Git pull.
gl Git log.
gs Git status.
gst Git stash.
gd Git diff.
gc [MESSAGE] Git commit.
gch Git checkout.
gchb Git checkout branch.
gb Git branch.
gbd [BRANCH] Delete specified Git branch.
gf Git fetch --all.
gt Git tag.
gi Delete files updated in git ignore.
gpc Git patch create.
gp Git patch (apply).
ga Git add with preview.
gr [COUNT] Git rebase. 2 last commits by default. 0 means from root.
gu [EMAIL] Configure git user as Dmitry Voronin with specified email (project).

Ls.

Command Description
l List files in current dir.
ll List including hidden files.
lll [DEPTH] [PATH] Show file tree.
llll List everything recursively.
la List alphabetically.
laa List all alphabetically.

Name.

Those are scripts to manipulate file names. They are all exported and available for parallel. If no [FILES] specified, it applies to all files inside current directory.

Command Description
name [FILES] Replace all non-alphanumeric characters in file with underscores.
name_hash [FILES] Replace all file names with hashes, keep extension.
name_hash_check [FILES] Check all file hashes.
name_series [SEASON] Rename files to Jellyfin's show format: Episode S01E01.mkv.
name_manga [SEASON] Rename files to Kavita's manga format: Name Vol.1 Ch.01.cbr.
name_ext [EXTENSION] [FILES] Change file extensions.

Ncdu.

Command Description
ncdu Show recursive disk usage. Only on the same filesystem.

Notify.

Command Description
notify Send notification.
notify_silent Send silent notification.

Own.

Command Description
own [USER] [FILE] Change ownership & permissions to specified user. Ownership changes only when root.

Permissions.

Command Description
perm Recursively change permissions not to share: 700 for dirs and 600 for files.
perm_share Recursively change permissions to share: 755 for dirs and 644 for files.

Ps.

Command Description
ps [PROGRAM] Show process info for matching [PROGRAM] name.

Shopt.

Shopt Description
dotglob When using * to match files, hidden files that start with a dot are also included.
globstar Allows the use of ** for recursive search.
autocd Change directories without writing cd.

Su.

Command Description
s An alias for su cause I'm lazy.

Terminal.

Command Description
tsize Prints terminal size.

Tmux.

Command Description
ta [NAME] Attach to session by name.
td Detach from session.
tl List all sessions.
tr Rename session.
tn Name window.
tk [NAME] Kill session.
tka Kill all sessions.

To-do.

Command Description
todo Open editor for ~/.todo.md file.

Toolbx.

Command Description
tb [NAME] Attach to box by name.
tbk [NAME] Kill box by name.
tb_rpmfusion [NAME] Install RPMFusion package to box by name.
tbl List all boxes.

Try.

Command Description
try Repeat the command every 2 seconds until it exits with success.

Umask.

By default, umask is 077 which means group and others have no access when files are created.

Vdl.

Command Description
vdl [LINK] Download video/playlist.
vdl_file [FILE] Download all links from a file.
vdl_update Update playlist that was downloaded with vdl before.
vdl_update_all Recursive vdl_update.

Vi.

Command Description
vi, v Aliases for nvim.

Wallpaper.

Command Description
wallpaper [FILE] Set specified file as a wallpaper.

Watch.

Command Description
w [COMMAND] Alias for watch.
ww [COMMAND] Alias for watch that updates every 0.1 seconds.