Commands using tar (226)

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Copy something to multiple SSH hosts with a Bash loop
Just a quick and simple one to demonstrate Bash For loop. Copies 'file' to multiple ssh hosts.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Determine whether a CPU has 64 bit capability or not

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

cd to (or operate on) a file across parallel directories
This is useful for quickly jumping around branches in a file system, or operating on a parellel file. This is tested in bash. cd to (substitute in PWD, a for b) where PWD is the bash environmental variable for the "working directory"

purge installed but unused linux headers, image, or modules
will purge: only installed apps: /^ii/!d avoiding current kernel stuff: /'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d using app names: s/^[^ ]* [^ ]* \([^ ]*\).*/\1/ avoiding stuff without a version number: /[0-9]/!d

urldecode with AWK
Fast and simple awk urldecoder! Note: Parameter -n is specific to GNU awk

get newest jpg picture in a folder
search the newest *.jpg in the directory an make a copy to newest.jpg. Just change the extension to search other files. This is usefull eg. if your webcam saves all pictures in a folder and you like the put the last one on your homepage. This works even in a directory with 10000 pictures.

while using lxde and being blinded by your laptop screen, you can type:
I'm not sure what apt this is, but it seems to work on most X screens, an is useful for saving power, and not straining your eyes

Download all MegaTokyo strips
A simple script for download all the MegaTokyo strips from the first to the last one

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