[GNU/Linux] Graphics, Photo Album in command line?

Do image editing(rotating, resize, etc) in command line :)

Quite useful if used in scripts (e.g to create thumbnails for all your images from your digicam after an enjoyable vacation)

Ref:
http://www-128.ibm.com/developerworks/linux/library/l-graf/?ca=dgr-lnxw02ImageMagick
http://applications.linux.com/article.pl?sid=05/03/29/1525217&tid=39
http://www.linuxplanet.com/linuxplanet/tutorials/5681/1/

Cheers.

[GNU/Linux] Linux clustering cornucopia

What is a cluster?
What is it used for?
What kind of cluster do we have?

http://www-128.ibm.com/developerworks/linux/library/l-lw-clustering.html

Cheers.

[GNU/Linux] ReallyLinux.com

New to Linux?
Moving to Linux?
Beginners?
Etc.

Go here for more tips and easy to understand articles on Linux :)
http://www.reallylinux.com/

Cheers.

C and 'Basic' (OpenOffice.org) Programming Languange

When C is the Best (Tool for the Job)
http://www.shlomifish.org/philosophy/computers/when-c-is-best/when-c-is-the-best.html

An introduction to OpenOffice.org 'Basic'
http://software.newsforge.com/article.pl?sid=05/09/20/1840248


Cheers.

[GNU/Linux] TAR and unTAR through pipe

One of the coolest things you can do with 'pipe' is to 'tar' a directory and pipe it to another host running 'untar'

tar cjf - <somedirectory> | ssh -C <user@host> tar xjf -

tar cjl <somedirectory> | ssh -C <user@host> tar xjpvC <targetDirectory>



Cheers.

[GNU/Linux] Ruby, TcpDump,Pcap

How to create your own network filtering using Ruby and PCap.

TCPDUMP
http://home.insight.rr.com/procana/

RUBY+PCAP
http://arstechnica.com/columns/linux/linux-20051002.ars
http://www.goto.info.waseda.ac.jp/%7efukusima/ruby/pcap-e.html


Cheers.

[GNU/Linux] RPM, RPM, RPM...

Database maintenance:
rpm -i [--initdb]
rpm -i [--rebuilddb]

Building:
rpm [-b|t] [package_spec]+
rpm [--rebuild] [sourcerpm]+
rpm [--tarbuild] [tarredsource]+

Querying:
rpm [--query] [queryoptions]
rpm [--querytags]

Maintaining installed packages:
rpm [--install] [installoptions] [package_file]+
rpm [--freshen|-F] [installoptions] [package_file]+
rpm [--uninstall|-e] [uninstalloptions] [package]+
rpm [--verify|-V] [verifyoptions] [package]+

Signatures:
rpm [--verify|-V] [verifyoptions] [package]+
rpm [--resign] [package_file]+
rpm [--addsign] [package_file]+

Miscellaneous:
rpm [--showrc]
rpm [--setperms] [package]+
rpm [--setgids] [package]+