Commands by vint (1)

  • if you need see progress of long dd command, enter subj on other console Show Sample Output


    7
    killall -USR1 dd
    vint · 2009-03-04 08:30:20 9

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

Install pip with Proxy
Installs pip packages defining a proxy

Take screenshots with imagemagick

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Compress a file or directory keeping the owner and permissions

add repeated watermark to image

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"

Diff XML files
Diffs two xml files by formatting them first using xmllint and then invoking diff. Usage: diffxml XMLFile1 XMLFile2

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

removes characters from cursor to the end of line

Find top 10 largest files in /var directory (subdirectories and hidden files included )
Should work even when very large files exist.


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: