Commands by bob6 (0)

  • bash: commands not found

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 line immediately before a matching regex.
Use this if you don't have access to GNU grep's -B option.

for too many arguments by *
$ grep ERROR *.log -bash: /bin/grep: Argument list too long $ echo *.log | xargs grep ERROR /dev/null 20090119.00011.log:DANGEROUS ERROR

list files recursively by size

Resolve a list of domain names to IP addresses
Given a file of FQDN, this simple command resolves the IP addresses of those Useful for log files or anything else that outputs domain names.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Change prompt to MS-DOS one (joke)
This one eliminates the additional backslash at the end (which is not necessary)

list files recursively by size

Sort a character string
Sorts a character string, using common shell commands.

Make less act like cat if its input's contents can fit on one screen

Enter a command but keep it out of the history
Put a space in front of your command on the command line and it will not be logged as part of your command line history.


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: