Commands by w00binda

Commands by w00binda (9)

sorted by

Listing only one repository with yum

How to list just one repo with yum. First I disable all repo, second I enable just the repo that I want to list.
This is sample output - yours may be different.
4

yum --disablerepo=* --enablerepo=epel list available

w00binda · 2010-05-19 13:26:39 2
Configuring a proxy for a cobbler repo

This is the command to configure "cobbler reposync" to use a specific proxy setting to mirror locally the content of a specific remote repository.
This is sample output - yours may be different.
0

cobbler repo edit --name=Epel-i386 --environment="http_proxy=http://100.100.100.100:3128"

w00binda · 2010-05-11 13:52:43 3

Iozone with a file of 2GB, 64KB record size, write/rewrite and read/re-read test, using just one thread. Show Sample Output

iozone -s 2g -r 64 -i 0 -i 1 -t 1

w00binda · 2009-11-19 10:43:54 3

Testing reading speed with dd
This is sample output - yours may be different.
1

sync; time `dd if=/dev/cciss/c0d1p1 of=/dev/null bs=1M count=10240`

w00binda · 2009-11-19 10:34:13 3
Testing writing speed with dd
This is sample output - yours may be different.
0

sync; time `dd if=/dev/zero of=bigfile bs=1M count=2048 && sync`

w00binda · 2009-11-19 10:29:03 13
Attach all discovered iscsi nodes

We can list the new disk with fdisk -l
This is sample output - yours may be different.
0

iscsiadm -m node -l

w00binda · 2009-11-02 16:20:50 3
Open-iscsi target discovery

Show Sample Output
This is sample output - yours may be different.
```
192.168.20.51:3260,1 iqn.2006-01.com.openfiler:tsn.d2eafd167b8d
```
1

iscsiadm -m discovery -t sendtargets -p 192.168.20.51

w00binda · 2009-11-02 16:10:07 3

Check cobbler environment

A script that checks if your environment is correctly configured for using cobbler. Show Sample Output

-3

cobbler check

w00binda · 2009-04-27 10:28:29 5

Create new repo in Cobbler for CentOS 5.3 updates

Add a repo to cobbler. To download all the repository contents the command is: cobbler reposync
This is sample output - yours may be different.
-1

cobbler repo add --name=CentOS-5.3-i386-updates --mirror=http://mirror3.mirror.garr.it/mirrors/CentOS/5.3/updates/i386/

w00binda · 2009-04-27 10:18:45 5

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

Show a prettified list of nearby wireless APs

Download full FLAC albums from archive.org

The only zipped version of an album available for download is the lossy mp3 version. To download lossless files, because of their size, you must download them individually. This command scrapes the page for all the FLAC (or also SHN) files.

Show your current network interface in use

wget with resume

I couldn't find this on the site and it's a useful switch. Great for large files.

show ALL iptable rules

show your current iptable rules from every available iptable table

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"

Realtime apache hits per second

Change the cut range for hits per 10 sec, minute and so on... Grep can be used to filter on url or source IP.

Download and install the newest dropbox beta

Find default gateway

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:

» all commands
» commands with 3 up-votes (commandlinefu3)
» commands with 10 up-votes (commandlinefu10)
» commands by w00binda