Commands by oernii2 (13)

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Get fully qualified domain names (FQDNs) for IP address with failure and multiple detection

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)$" | ...

Create a script of the last executed command
Sometimes commands are long, but useful, so it's helpful to be able to make them permanent without having to retype them. An alternative could use the history command, and a cut/sed line that works on your platform. $history -1 | cut -c 7- > foo.sh

Quickly share code or text from vim to others.
Sprunge.us is a code/text sharing site like pastebin, but it is easy to post stuff from the command line. $ How it works: $ :w !command In vim, w writes the current tab to a file when a filename is given afterwards, but if !command is given, the output is piped to the stdin of command. $curl -F "sprunge=

Find out which debian package a command (executable) belongs to on debian-based distros
This revision to my command (command #8851) was called for when it failed to find the parent package of 'rlogin', which is really a deep symbolic link to /usr/bin/ssh. This revision fixes this newfound issue, while ensuring fixes of other older issues work too.

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"

List status of your git repos and let us know if there is any new files to commit.
Source: http://www.bashoneliners.com/oneliners/oneliner/225/

Tweet from Terminal to twitter !
Tweeting from terminal to twitter accounts..

get the top 10 longest filenames

Determine what version of bind is running on a dns server.
Due to the recent dynamic update vulnerability with bind, I was forced to dig a little deeper into dig...


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