commandlinefu.com is the place to record those command-line gems that you return to again and again.
Delete that bloated snippets file you've been using and share your personal repository with the world. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.
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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
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I'm the author of PM2 and wrote this tool, and I'm please to share it here.
Github project link: https://github.com/Unitech/pm2
In case you need to test some CGI scripts this does the job. It also has the functionality of a http server.
Enjoy!
Show the maximum amount of memory that was needed by a process at any time. My use case: Having a long-running computation job on $BIG_COMPUTER and judging whether it will also run on $SMALL_COMPUTER.
http://man7.org/linux/man-pages/man5/proc.5.html
VmHWM: Peak resident set size ("high water mark")
List all fonts used by an SVG file. Useful to find out which fonts you need to have installed in order to open/edit an SVG file appropriately.
http://ifconfig.me is a web site which shows your public iP address.
If you want use your own code, you can use PHP code such as:
function getip()
{
return "".$_SERVER["REMOTE_ADDR"];
}
echo getip();
?>
Then, you'll get your IP by 'curl yourfile.php'.
Command returns valid IP addresses. Append the following regex to additionally filter out NAT and reserved IP addresses
| grep -Ev "^0|\.0[0-9]|^10\.|^127\.|^169\.|^172\.(1[6-9]|2[0-9]|3[01])|^192.168.|^2(2[4-9]|3[0-9])|^2(4[0-9]|5[0-5])"