Commands by magicjohnson_ (5)

  • Add dirs to list: pushd /tmp /tmp ~ then cd - /home/user cd - /tmp


    -1
    cd -
    magicjohnson_ · 2011-07-05 05:28:32 2
  • Convert DOS newlines (CR/LF) to Unix format using sed command


    2
    sed 's/^M$//' input.txt > output.txt
    magicjohnson_ · 2011-02-14 03:45:43 2

  • 2
    echo ::memstat | mdb -k
    magicjohnson_ · 2010-12-29 11:19:14 0

  • 2
    find /etc/rc3.d/ | sort -g
    magicjohnson_ · 2010-12-06 03:45:01 3
  • It works in every linux box Show Sample Output


    -1
    cat /proc/cpuinfo
    magicjohnson_ · 2010-09-24 09:27:58 0

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

Get current stable kernel version string from kernel.org
depends on "jq" This is more reliable in my opinion.

Show an application's environment variables

Remove executable bit from all files in the current directory recursively, excluding other directories
With GNU chmod at least it is that simple.

Parallel mysql dump restore
this command works with one gziped file per table, and restore 4 tables in parallel.

5 Which Aliases
5 helpful aliases for using the which utility, specifically for the GNU which (2.16 tested) that is included in coreutils. Which is run first for a command. Same as type builtin minus verbosity $ alias which='{ command alias; command declare -f; } | command which --read-functions --read-alias' Which (a)lias $ alias whicha='command alias | command which --read-alias' Which (f)unction $ alias whichf='command declare -f | command which --read-functions' Which e(x)ecutable file in PATH $ alias whichx='command which' Which (all) alias, function, builtin, and files in PATH $ alias whichall='{ command alias; command declare -f; } | command which --read-functions --read-alias -a' # From my .bash_profile http://www.askapache.com/linux-unix/bash_profile-functions-advanced-shell.html

Read funny developer comments in the Linux source tree
These are way better than fortune(6).

Compress logs older than 7 days

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"

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

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"


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: