Config File If you don't have a ~/.config/lf/lfrc file, you can probably find an example in /usr/share/examples/lf. 1cp -r /usr/share/examples/lf ~/.config/ Go straight to root with two keys. 1map g/ cd / Have lf open a file with the default program when you press 'o', using the program mimeo. 1map o &mimeo $f Change …

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There are two types: Soft links Hard links

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Your locale tells the computer your location, preferred time-and-date format, standard language, papersize, et c. A list of supported locales is available at /usr/share/i18n/SUPPORTED See a full list with: 1cat /usr/share/i18n/SUPPORTED Take the first portion to generate full locale information for a region: …

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Type type shows what kind of thing you're running, be it an alias, function, or binary program. 1type cd 2type ls 3type -P ls 4type -a cat Whereis the Program Where is grep and all its configuration files? 1whereis grep Which one of these is the binary file which you actually use? 1which grep More Search instantly with …

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Basic Keeping track of health problems. Mostly under /var/log/. These logs are created by syslogd (or syslog in earlier distros). Rundown `alternatives.log' has a bunch about other programs installing things around 5 times a day. This includes x-www-browser, which sets the default browser (supposedly - this doesn't …

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Firstly, your ls is probably aliased to something. Check it with: 1alias ls If the prompt shows some alias, then start by removing it: 1unalias ls Now we can begin. Check the most recently modified file: 1ls -t Reverse this with tac to see the file which has been unmodified the longest: 1ls -t | tac Group files by …

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Package Cache Clean the cache of old packages in /var/cachepacman/pkg/: 1ls /var/cache/pacman/pkg/ | wc -l 2sudo pacman -Sc 3ls /var/cache/pacman/pkg/ | wc -l And the same for yay (with -Yc to remove old dependencies): 1ls ~/.cache/yay/ | wc -l 2yay -Sc 3yay -Yc 4ls ~/.cache/yay/ | wc -l New Configs If you chance a …

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Split your video into frames. 1d=$(mktemp -d) 2cp $vid.mp4 $d 3cd $d 4 5ffmpeg -i $vid.mp4 -vf "fps=10, scale=360:-1" frame%04d.png 6gifski --fps 10 -o ${out}.gif frame*.png Optimize: 1gifsicle --optimize=3 --lossy=100 -o ${final}.gif ${out}.gif

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Make your first target 'help' to give an overview of the main targets. Running make help will search for text which starts with ## and show what that target does. 1.PHONY: help 2help: ## Print the help message. 3 @awk 'BEGIN {FS = ":.?## "} /^[0-9a-zA-Z._-]+:.?## / {printf "\033[36m%s\033[0m : %s\n", $$1, $$2}' …

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If you have graph-easy (often in the package perl-graph-easy or similar), you can make a graph from the makefile with make2graph (the package is often called makefile2graph). Start with the command to 'make all targets' (-B), and 'do a dummy run' (-n) with debug into (-d): 1make -Bnd 2make -Bnd | make2graph 3make -Bnd …

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