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.
If you have a new feature suggestion or find a bug, please get in touch via http://commandlinefu.uservoice.com/
You can sign-in using OpenID credentials, or register a traditional username and password.
First-time OpenID users will be automatically assigned a username which can be changed after signing in.
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.
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,…):
Subscribe to the feed for:
Its very useful when you do not have control over name servers and need to check DNS configuration directly, right after change. You will not need to wait for DNS propagation to verify if all records were configured properly by vendors of name servers.
It suspends to RAM: you always need your batteries for the RAM but it saves time as there is no need to slowly archive everything on your hard disk.
It works fine with me but if anyone has a nicer way, please contribute.
Make a signature.
Encrypt for user id name.
to unload Daemon, use: launchctl unload /Library/LaunchDaemons/.plist
eliminates "l" and "o" characters change length by changing 'x' here: cut -c 1-x
Values will depend on the driver and the hardware specifics, so you need to refer to your driver documentation for proper interpretation of those values.
Very simple and useful, you need to change the word "directory" for your directory
This deals nicely with files having special characters in the file name (space ' or ").
Parallel is from https://savannah.nongnu.org/projects/parallel/
The preferred way for scripts (and easier to parse)
gets the last number of the mac address to use it for other stuff
I alias this as "tach":
alias tach='screen -x `screen -ls | grep Detached | cut -c -10`'
If you have several detached sessions it will just grab the first one. If you're running nested screens you can open new outer windows and run tach repeatedly to grab all the detached sessions into that one.
Gets the internal and external IP addresses of all your interfaces, or the ones given as arguments
Kudzu is available on CentOS, used for configuring and detecting new hardware device installed, is also usefull for device listing.
--basic --user username:password
This will authenticate your Twitter username and password
Send data to the API with POST HTTP form.