Navi: Update cheats
This commit is contained in:
@ -1,6 +1,8 @@
|
||||
; TODO: More ffmpeg, yt-dlp
|
||||
; ===========================
|
||||
; NIXOS
|
||||
; ===========================
|
||||
|
||||
% nixos, nixos-rebuild
|
||||
% nixos, nixos-rebuild, flake
|
||||
# Rebuild a flake system derivation
|
||||
sudo nixos-rebuild <type> --flake .#<flake>
|
||||
$ type: echo -e "switch\nbuild\nboot"
|
||||
@ -10,99 +12,97 @@ $ flake: echo -e "nixinator\nnixtop"
|
||||
# Find out why a package is included in the closure when building the system derivation
|
||||
nix why-depends /run/current-system nixpkgs#<package>
|
||||
|
||||
; TODO: Autocomplete executable, list everything in path
|
||||
% nixos, nix-store, storepath, link
|
||||
# Find the storepath of an executable in the users path
|
||||
readlink -f $(which <executable>)
|
||||
$ executable: bash -c "compgen -c"
|
||||
|
||||
; TODO: Autocomplete executable, list everything in path
|
||||
% nixos, nix-store, storepath, libraries
|
||||
# Find the wanted dynamic libraries of an executable in the users path
|
||||
ldd $(readlink -f $(which <executable>))
|
||||
$ executable: bash -c "compgen -c"
|
||||
|
||||
; ===========================
|
||||
; SHELL
|
||||
; ===========================
|
||||
|
||||
% shell, process
|
||||
# Launch a detached process with suppressed output
|
||||
<command> &>/dev/null &
|
||||
|
||||
; TODO: Filter out directories from input autocomplete (if there are no directories basic grep doesn't work, always needs a pattern)
|
||||
% ffmpeg, slowmo
|
||||
# Create a slow motion version of a video with interpolated/blended frames
|
||||
ffmpeg -i "<input>" -filter:v "minterpolate='mi_mode=mci:mc_mode=aobmc:vsbmc=1:fps=<doublefps>',setpts=2*PTS" output.mp4
|
||||
$ input: eza -1
|
||||
|
||||
% ffmpeg, cropdetect
|
||||
# Detect black bar dimensions automatically by looking at the first 10 frames
|
||||
ffmpeg -i "<input>" -vframes 10 -vf cropdetect -f null -
|
||||
$ input: eza -1
|
||||
|
||||
% ffmpeg, cropdetect, preview
|
||||
# Preview video with applied crop settings
|
||||
ffplay -vf crop=<width>:<height>:<x>:<y> "<input>"
|
||||
$ input: eza -1
|
||||
|
||||
% ffmpeg, cropdetect, render
|
||||
# Re-encode the video with applied crop settings
|
||||
ffmpeg -i "<input>" -vf crop=<width>:<height>:<x>:<y> -c:a copy output.mp4
|
||||
$ input: eza -1
|
||||
|
||||
% ffmpeg, video compression, h265, render, reencode
|
||||
# Reencode and compress the video using the h265 codec
|
||||
ffmpeg -i "<input>" -vcodec libx265 -crf <quality> "out_<input>"
|
||||
$ input: eza -1
|
||||
$ quality: echo -e "24\n25\n26\n27\n28\n29\n30\n"
|
||||
|
||||
; TODO: Setting the default values like this makes them the only possible values
|
||||
% ffmpeg, video compression, h256, render, reencode
|
||||
# Reencode and compress multiple videos using the h265 codec
|
||||
fish -c "for name in <files>; ffmpeg -i '$name' -vcodec libx265 -crf <quality> 'out_$name'; end"
|
||||
$ files: echo "(eza -1 | grep \".mp4\")"
|
||||
$ quality: echo "28"
|
||||
|
||||
% qemu, cpu
|
||||
# Find out what features are supported by different qemu CPUs
|
||||
qemu-system-<arch> -cpu help
|
||||
|
||||
; https://github.com/flathub/com.discordapp.Discord/wiki/Rich-Precense-(discord-rpc)
|
||||
% discord, flatpak, rich-presence
|
||||
# Enable rich presence for flatpak Discord
|
||||
ln -sf $XDG_RUNTIME_DIR/{app/com.discordapp.Discord,}/discord-ipc-0
|
||||
|
||||
% find
|
||||
# Find files under a certain size in the current directory
|
||||
find . -type f -name "<glob>" -size -<size>
|
||||
|
||||
% objdump, disassemble
|
||||
# Disassemble an object file
|
||||
objdump -d -S -M intel "<file>" | bat -l nasm
|
||||
$ file: eza -1
|
||||
|
||||
% pdftocairo, pdf, svg
|
||||
# Extract svg figure from pdf page
|
||||
pdftocairo -f <page> -l <page> -svg "<input>" "<output>"
|
||||
$ input: eza -1
|
||||
<command> &>/dev/null &; disown
|
||||
|
||||
% yes, head, file
|
||||
# Generate a large text file
|
||||
yes "The quick brown fox jumps over the lazy dog" | head -c <size> > <output>
|
||||
|
||||
% hotspot, create_ap, wifi, wihotspot
|
||||
# Open a WiFi Hotspot using "wihotspot"
|
||||
sudo create_ap wlp5s0 enp0s31f6 Potshot ThisIsMyPotshot --daemon --hidden
|
||||
|
||||
% hotspot, create_ap, wifi, wihotspot
|
||||
# List running Hotspots
|
||||
sudo create_ap --list-running
|
||||
|
||||
% hotspot, create_ap, wifi, wihotspot
|
||||
# List connected devices
|
||||
watch -d -c -n 0.5 sudo create_ap --list-clients <SSID>
|
||||
$ SSID: sudo create_ap --list-running | sd '.+\((.+)\)' '$1'
|
||||
|
||||
% hotspot, create_ap, wifi, wihotspot
|
||||
# Stop a running hotspot
|
||||
sudo create_ap --stop <SSID>
|
||||
$ SSID: sudo create_ap --list-running | sd '.+\((.+)\)' '$1'
|
||||
|
||||
% fish, for, loop
|
||||
# For-loop in fish shell
|
||||
for o in <objects>; <action>; end
|
||||
|
||||
% find
|
||||
# Find files under a certain size in the current directory
|
||||
find . -type f -name "<glob>" -size -<size>
|
||||
|
||||
; ===========================
|
||||
; CODING
|
||||
; ===========================
|
||||
|
||||
% objdump, disassemble
|
||||
# Disassemble an object file
|
||||
objdump -d -S -M intel "<file>" | bat -l nasm
|
||||
$ file: eza -f -1
|
||||
|
||||
; ===========================
|
||||
; DOCUMENTS
|
||||
; ===========================
|
||||
|
||||
% pdftocairo, pdf, svg
|
||||
# Extract svg figure from pdf page
|
||||
pdftocairo -f <page> -l <page> -svg "<input>" "<output>"
|
||||
$ input: eza -f -1
|
||||
|
||||
; ===========================
|
||||
; YT-DLP
|
||||
; ===========================
|
||||
|
||||
% yt-dlp, mp4
|
||||
# Download mp4 video in best quality
|
||||
yt-dlp -f 'bv*[ext=mp4]+ba[ext=m4a]/b[ext=mp4] / bv*+ba/b' --recode-video mp4 "<url>"
|
||||
|
||||
% yt-dlp, mp3
|
||||
# Download mp3 video in best quality
|
||||
yt-dlp -f 'ba' --extract-audio --audio-format mp3 "<url>"
|
||||
|
||||
; ===========================
|
||||
; FFMPEG
|
||||
; ===========================
|
||||
|
||||
% ffmpeg, slowmo
|
||||
# Create a slow motion version of a video with interpolated/blended frames
|
||||
ffmpeg -i "<input>" -filter:v "minterpolate='mi_mode=mci:mc_mode=aobmc:vsbmc=1:fps=<doublefps>',setpts=2*PTS" output.mp4
|
||||
$ input: eza -f -1
|
||||
|
||||
% ffmpeg, cropdetect
|
||||
# Detect black bar dimensions automatically by looking at the first 10 frames
|
||||
ffmpeg -i "<input>" -vframes 10 -vf cropdetect -f null -
|
||||
$ input: eza -f -1
|
||||
|
||||
% ffmpeg, cropdetect, preview
|
||||
# Preview video with applied crop settings
|
||||
ffplay -vf crop=<width>:<height>:<x>:<y> "<input>"
|
||||
$ input: eza -f -1
|
||||
|
||||
% ffmpeg, cropdetect, render
|
||||
# Re-encode the video with applied crop settings
|
||||
ffmpeg -i "<input>" -vf crop=<width>:<height>:<x>:<y> -c:a copy output.mp4
|
||||
$ input: eza -f -1
|
||||
|
||||
% ffmpeg, video compression, h265, render, reencode
|
||||
# Reencode and compress the video using the h265 codec
|
||||
ffmpeg -i "<input>" -vcodec libx265 -crf <quality> "out_<input>"
|
||||
$ input: eza -f -1
|
||||
$ quality: echo -e "24\n25\n26\n27\n28\n29\n30\n"
|
||||
|
||||
% ffmpeg, video compression, h256, render, reencode
|
||||
# Reencode and compress multiple videos using the h265 codec
|
||||
fish -c "for name in <files>; ffmpeg -i '$name' -vcodec libx265 -crf <quality> 'out_$name'; end"
|
||||
$ quality: echo -e "24\n25\n26\n27\n28\n29\n30\n"
|
||||
|
||||
Reference in New Issue
Block a user