Commands by karthik_g (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

Btrfs: Find file names with checksum errors
Btrfs reports the inode numbers of files with failed checksums. Use `find` to lookup the file names of those inodes. The files may need to be deleted and replaced with backups.

Find all files that have nasty names
Get a list of file names that may cause problems (eg being served on a webserver, typing a URL on a mobile, etc)

Count number of files in a directory
Just want to post a Perl alternative. Does not count hidden files ('.' ones).

journalctl -f
a tail -f variant of systemd journal. Follow the most recent updates or if events are appended to the journal

Count all conections estabilished on gateway

get all Google ipv4 subnets for a iptables firewall for example
a bit shorter, parenthesis not needed but added for clarity

Find failures with journalctl
Sometimes things break. You can find the most recent errors using a combination of journalctl, along with the classic tools sort and uniq

last.fm rss parser
you can just use one awk script to parse the rss feed. No need to pipe so many awk's and sed's. Its ugly and inefficient.

List only executables installed by a debian package
Safe for whitespaces in names.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

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: