Commands by knoppix5 (60)

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. 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.

Share Your Commands


Check These Out

Print a random 8 digit number
Don't need to pipe the output into rs if you just tell jot to use a null separator character.

Sort IP addresses
Sort IP address by order

Show in a web server, running in the port 80, how many ESTABLISHED connections by ip it has.
The command could show you all conecctions if you skip "grep ESTABLISHED"

List the number and type of active network connections

get absolute file path
Retrieve absolute path name from relative path

flush memcached via netcat

history autocompletion with arrow keys
This will enable the possibility to navigate in the history of the command you type with the arrow keys, example "na" and the arrow will give all command starting by na in the history.You can add these lines to your .bashrc (without &&) to use that in your default terminal.

count processes with status "D" uninterruptible sleep

list block devices
Shows all block devices in a tree with descruptions of what they are.

check open ports without netstat or lsof


Stay in the loop…

Follow the Tweets.

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

Subscribe to the feeds.

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: