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Install pip with Proxy
Installs pip packages defining a proxy

Quickly display a string as Qr Code
Takes the first argument (string) and display a Qr code version of that.

List total available upgrades from apt without upgrading the system
This let's you find out the total packages that have available upgrades. Usefull if you want to check or show the total available upgrades on your system.

Dump a web page
Useful to browse dangerous web sites.

Show memory stats on Nexenta/Solaris

Recursive chmod all *.sh files within the current directory
This command is useful to recursively make executable all "*.sh" files in a folder. This command is useful to apply chmod recursively in a determined kind of file.

Ripping VCD in Linux
Ripping VCD in Linux

Print all open regular files sorted by the number of file handles open to each.
List all open files of all processes. . $ find /proc/*/fd Look through the /proc file descriptors . $ -xtype f list only symlinks to file . $ -printf "%l\n" print the symlink target . $ grep -P '^/(?!dev|proc|sys)' ignore files from /dev /proc or /sys . $ sort | uniq -c | sort -n count the results . Many processes will create and immediately delete temporary files. These can the filtered out by adding: $ ... | grep -v " (deleted)$" | ...

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

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"


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