Commands by thechile (3)

  • make pretty the netstat output for listening services

    bit of a contrived example and playing to my OCD but nice for quick scripted output of listening ports which is sorted by port, ip address and protocol. Show Sample Output


    0
    sudo netstat -plntu --inet | sort -t: -k2,2n | sort --stable -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n | sort -s -t" " -k1,1
    thechile · 2013-08-13 09:21:26 3
  • Show how old your linux OS installtion is

    ..not guaranteed to always be accurate but fun to see how old you Linux installation is based on the root partitions file system creation date. Show Sample Output


    12
    sudo tune2fs -l $(df -h / |(read; awk '{print $1; exit}')) | grep -i created
    thechile · 2013-08-08 15:18:09 12
  • currently mounted filesystems in nice layout

    Particularly useful if you're mounting different drives, using the following command will allow you to see all the filesystems currently mounted on your computer and their respective specs with the added benefit of nice formatting. Show Sample Output


    328
    mount | column -t
    thechile · 2009-03-20 14:18:56 57

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

Locate config files of the program
Locate config files of the program. May not be used for interactive programs like vim.

Share a screen session

Show git branches by date - useful for showing active branches
This fixes a bug found in the other scripts which fail when a branch has the same name as a file or directory in the current directory.

Copy an element from the previous command
You can specify a range via '-'.

Get IP address from domain

Add page numbers to a PDF
Put this code in a bash script. The script expects the PDF file as its only parameter. It will add a header to the PDF containing the page numbers and output it to a file with the suffix "-header.pdf" Requires enscript, ps2pdf and pdftk.

convert markdown to PDF
This is the one-line version of this htmldoc + markdown combo to convert markdown formatted text to PDF files to distribute to your non-savvy project managers. http://scottnesbitt.net/ubuntublog/?p=114

Get a free shell account on a community server
Bash process substitution which curls the website 'hashbang.sh' and executes the shell script embedded in the page. This is obviously not the most secure way to run something like this, and we will scold you if you try. The smarter way would be: Download locally over SSL > curl https://hashbang.sh >> hashbang.sh Verify integrty with GPG (If available) > gpg --recv-keys 0xD2C4C74D8FAA96F5 > gpg --verify hashbang.sh Inspect source code > less hashbang.sh Run > chmod +x hashbang.sh > ./hashbang.sh

Clear terminal Screen

Retrieve "last modified" timestamp of web resource in UTC seconds
This command line assumes that "${url}" is the URL of the web resource. It can be useful to check the "freshness" of a download URL before a GET request.

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: