Hide

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again.

Delete that bloated snippets file you've been using and share your personal repository with the world. 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.

If you have a new feature suggestion or find a bug, please get in touch via http://commandlinefu.uservoice.com/

Get involved!

You can sign-in using OpenID credentials, or register a traditional username and password.

OpenID
or
Sign in Register

First-time OpenID users will be automatically assigned a username which can be changed after signing in.

Hide

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:

Hide

News

2011-03-12 - Confoo 2011 presentation
Slides are available from the commandlinefu presentation at Confoo 2011: http://presentations.codeinthehole.com/confoo2011/
2011-01-04 - Moderation now required for new commands
To try and put and end to the spamming, new commands require moderation before they will appear on the site.
2010-12-27 - Apologies for not banning the trolls sooner
Have been away from the interwebs over Christmas. Will be more vigilant henceforth.
2010-09-24 - OAuth and pagination problems fixed
Apologies for the delay in getting Twitter's OAuth supported. Annoying pagination gremlin also fixed.
Hide

Tags

Hide

Functions

Hide

Credits

Site by David Winterbottom (user root).

Commands tagged net

Commands tagged net from sorted by
Terminal - Commands tagged net - 6 results
netstat -a --numeric-ports | grep 8321
2012-01-20 22:00:56
User: peter4512
Functions: grep netstat
Tags: net tcp
1
Up
Down
tell if a port is in use

if you don't do --numeric-ports, netstat will try to resolve them to names

Show sample output | Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
net rpc -I indirizzoip -U nomeutente%password servizio {stop|start} nomedelservizio
2011-06-16 18:08:51
User: 0disse0
Tags: net windows rpc
7
Up
Down
To Stop or Start (Restart) a Windows service from a Linux machine
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
curl -u username:password -d status="blah blah blah" https://twitter.com/statuses/update.xml
2010-06-17 03:10:42
User: sha
Tags: net twitter update tweet
-1
Up
Down
Update twitter with curl
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
perl -MNet::Twitter -e '$nt = Net::Twitter->new(traits => [qw/API::REST/], username => "YOUR USERNAME", password => "YOUR PASSWORD"); $ud = $nt->update("YOUR TWEET");'
2010-06-16 19:46:05
User: dbbolton
Functions: perl
Tags: net twitter perl update tweet
2
Up
Down
Update twitter with Perl

Requires Net::Twitter. Just replace the double quoted strings with the appropriate info.

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
autossh -N -D localhost:1080 myhome.example.net -p 443
2010-05-22 19:52:30
User: prayer
Tags: ssh net
2
Up
Down
Start a SOCKS proxy to avoid a restrictive firewall

You may go to Internet by means of your home ssh server. You must configure your local proxy to send traffic through the proxy. Many programs allows that: firefox, pidgin, skype, gnome, etc.

Your home ssh server must listen in any of the ports permitted by your enterprise firewall. That usually includes 80 and 443.

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
nmap -sS -P0 -sV -O <target>
2009-02-18 07:32:03
User: starchox
Tags: Network net
18
Up
Down
Get info about remote host ports and OS detection

Where < target > may be a single IP, a hostname or a subnet

-sS TCP SYN scanning (also known as half-open, or stealth scanning)

-P0 option allows you to switch off ICMP pings.

-sV option enables version detection

-O flag attempt to identify the remote operating system

Other option:

-A option enables both OS fingerprinting and version detection

-v use -v twice for more verbosity.

nmap -sS -P0 -A -v < target >
Comments (4) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate