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:
You need to have mtr installed on your host.
just use build in option.
deletes to the end of the buffer
Change your drive letter as you wish.
Using pv command for speed detect.First of all you must install pv command for usage.
Whereas ^V is CTRL-V.
converts a dos file to unix by removing 0x13 characters
A more robust password creation utility
# Create passwords in batch
makepasswd --char=32 --count=10
# To learn more about the options you can use
So you have a web site and you've plastered your significant other's name all over it. But you broke up with them and have some new love in your life. How do you find all those instances of their name and replace them?
Displays all information about your battery. for just capacity, try replacing cat with
grep -F capacity:
Battery number might be BAT0 instead of BAT1. Just run
cd /proc/acpi/battery; ls
and find out what folder is in that directory and replace that name with BAT1
Quickly remove the conflicting line (key) from current users known_hosts file when there is an SSH host conflict. Very nice when you get tired of writing out full commands. Ideally you would place this into your .bash_profile
Usage: rhost [n]
Example: rhost 33 (removes line 33 from ~/.ssh/known_hosts)
Function assumes the $HOME exists, you could alternatively use "~/.ssh/known_hosts"
Mac OSX likes a space for sed -i "$1" d
Outputs the real time it takes a Redis ping to run in thousands of a second without any proceeding 0's. Useful for logging or scripted action.
Useful with new unknown devices or just monitoring, probably useful for the sysadmin. Updates every 2 seconds. More here: http://linuxclisecurity.blogspot.com/2009/12/monitor-kernel-ring-buffer.html.
Shorter way to find the device for a given mountpoint
credit goes to icanhaslinux.com
Allows you to send yourself notes from the commandline and receive them via email or text message. Also lets you send pics from the web, pics from your computer, and tweets directly to twitter. All without having to log in Ever.