Install on Ubuntu and Debian:  apt-get install mercurial

The actual version information: hg version
Create a new repository in the given directory: hg help init
hg init [-e CMD] [--remotecmd CMD] [DEST]

Making a local copy of a repository: hg clone <directory>

Through history: hg log or glog
Viewing specific revisions use the -r (or --rev) option
hg log -r 024584ws345
hg log -r q272e0d5w32 -r 0272e0d5w324

More detailed information add -v (or --verbose) option
To see content of a change add the -p (or --patch) option

To display the change set: hg tip -vp
pull the changes: hg in, hg pull
update the working copy: hg up

merging the changes

incoming change: hg in -v
outgoing change: hg out -v
hg merge -r default (tip)

Install the Debian menu to make all installed applications

Missing Icons & Fix Broken Icons

sudo apt-get update
sudo apt-get install menu menu-xdg
update-menus

Keeping Ubuntu clean

Install deborphan with command:
sudo apt-get install deborphan

To delete unnecessary libraries just execute:
sudo deborphan | xargs sudo apt-get -y remove --purge

To delete unnecessary data

To see all

There is another tool to delete orphaned

Once it’s installed go to System –> Administration –> Remove Orphaned

Another nice tip is to clean partial and orphaned

Enter in root terminal:
$ sudo dpkg-reconfigure -phigh xserver-xorg

Select your video card by scroll up or down keys on your keyboard) and then hit enter.
the next select the resolutions that you would like to be available for Ubuntu by using the arrow keys to scroll up and down, and the Space Bar to select them.

Restart X by clicking Control+Alt+Delete (backspace). to set up new resolutions.

This starts the Xorg config process.

sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf_backup
sudo dpkg-reconfigure xserver-xorg
sudo xinit — :2

Look for errors:

tail -f /var/log/Xorg.0.log

Restart all servers by bouncing XDM (or gdm or kdm):

sudo /etc/init.d/xdm start

This starts a new X server — usually on tty8 or tty9 (CTRL-ALT-F8). You can go back to the original X server by pressing CTRL-ALT-F7.

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CUSTOMER SUPPORT:
Support Ticket Systems
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PORTAL SYSTEMS
IMAGE GALLERIES
Discussion/Message Boards & Blogs


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Content Management

Image Galleries

Weblogs

Discussion Boards

E-Commerce

Chat

Groupware


The best ways to run all files from a folder in SqlPLus
Create a file and store all of the file names from the folder:
ls -l > list.sql
Edit and set @ before each file name
vi list.sql
1,$s/^/@/

sqlpus ich/foo@mydb
@list.sql

Convert latin1 to UTF-8 in MySQL
$ mysqldump -h localhost –user=myName -p –default-character-set=latin1 -c \
–insert-ignore –skip-set-charset dbname > dump.sql
$ iconv -f ISO-8859-1 -t UTF-8 dump.sql > dump_utf8.sql

Find out which charset is my file

$ iconv -f 8859-1 -t utf-8 FILE1> FILE2
$ iconv -f utf-8 -t 8859-1 FILE2 > FILE3
$ diff FILE1 FILE3

apt-get –purge remove NameOfPackage
apt-get install –reinstall NameOfPackage
z.B:
apt-get –purge –reinstall install apache2.2-common apache2
apt-get install –reinstall libapache2-mod-php5 php5-cli php5-common php5-cgi

dpkg-reconfigure xserver-xorg
update-alternative -config x-session-manager

lpstat -t
cancel
lpadmin -p lj -E

PSI=’\u@\h:\n$’

wget -c –user=user –password=passwd http://hostname…

find -name ‘*.[ch]‘ | xargs grep -E ‘expr’
find -type f -print0 | xargs -r0 grep -F ‘example’

find . -exec grep “use GD” ‘{}’ /dev/null \; -print
find . -name “*.pl” -type f -exec grep “use GD” ‘{}’ /dev/null \; -print

Only get diffs. Do multiple times for troublesome downloads:
rsync -P rsync://rsync.server.com/path/to/file file