Commands by evolix (4)

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Get all upgradable deb packages in a single line
Works for debian and ubuntu based distros.

Sort lines using the Xth characted as the start of the sort string
Tells sort to ignore all characters before the Xth position in the first field per line. If you have a list of items one per line and want to ignore the first two characters for sorting purposes, you would type "sort -k1.3". Change the "1" to change the field being sorted. The decimal value is the offset in the specified field to sort by.

show all established tcp connections on os x

Look for English words in /dev/urandom
* to get the English dictionary: wget http://www.mavi1.org/web_security/wordlists/webster-dictionary.txt

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Copy ssh keys to user@host to enable password-less ssh logins.
To generate the keys use the command ssh-keygen

delete all leading and trailing whitespace from each line in file

Update all ant packages installed in gentoo
Update all "ant" packages installed on Gentoo

Check every URL redirect (HTTP status codes 301/302) with curl
curl -sLkIv --stderr - https://t.co/2rQjHfptZ8 -s: silences the output when piped to a different command -L: follow every redirect -k: ignores certificate errors -I: just request the headers -v: be verbose --stderr - : redirect stderr to stdout https://t.co/2rQjHfptZ8: URL to check for redirects piped to grep -i location: -i: grep target text ignoring case location: : greps every string containing "location:" piped to awk {'print $3'} prints the third column in every string piped to sed '/^$/d' removes blank lines

Make alias pemanent fast
Simple function to permanently add an alias to your profile. Tested on bash and Ksh, bash version above. Here is the ksh version: PERMA () { print "$@" >> ~/.profile; } Sample usage: PERMA alias la='ls -a'


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