Well … I found a solution . It’s very simple and easy.

1. You have to have installed PHP on your server. It’s better to install the latest version which is now 5.2.9 i think.

2. After you are done with this just follow these steps in the linux console (most of the times we use putty)

mkdir ~/ffmpeg-packages
cd ~/ffmpeg-packages
wget <a title="http://trulymanaged.com/ffmpeg/ffmpeginstall.tar.gz" href="http://trulymanaged.com/ffmpeg/ffmpeginstall.tar.gz">http://trulymanaged.com/ffmpeg/ffmpeginstall.tar.gz</a>
tar -xvzf ffmpeginstall.tar.gz
cd ffmpeginstall

If you don’t want the author to be emailed upon a successful installation, comment out line 47 of install.sh Here is how…

At the command prompt

# nano install.sh

Now comment out line 47

From

echo `hostname -i `|mail -s " FFmpeg installed $_version " vps @ esds.com

To

# echo `hostname -i `|mail -s " FFmpeg installed $_version " vps @ esds.com

Once you have done with this (if you want of course) just run the install script

./install.sh

After everything is done, just reboot your server and check your php configuration (create a php file and use phpinfo() function to get the config of php) if everything is ok and you have installed ffmpeg properly.

debianadmin.com/

2. How to Install Adobe Flash in Debian EtchLennySid

debianadmin.com/

3. How to auto login and startx without a display manager in Debian

debianadmin.com/

4. How To upgrade from Debian Etch 4.0 to Lenny 5.0

debianadmin.com/

5. How to install Google Gadgets in ubuntu 8.10 Intrepid Ibex

ubuntugeek.com/

6. How to install Virtualbox 2.1.0 in Ubuntu 8.10 Intrepid Ibex 8.04 Hardy

ubuntugeek.com/

7. How to use SSH Via HTTP Proxy using Corkscrew in Ubuntu

ubuntugeek.com/

8. Host interface networking made easy in VirtualBox 2.1.0

ubuntugeek.com/

9. How to Install KDE 4.2 beta in Ubuntu 8.10 – Intrepid Ibex

ubuntugeek.com/

10. How to control virtual machines Virtualbox using VBoxManage

ubuntugeek.com/

11. VBoxSDL – The simplified VM displayer for Virtualbox

ubuntugeek.com/

12. Tools to delete files securely in ubuntu Linux

ubuntugeek.com/

13. VRDP – VirtualBox Remote Desktop Protocol

ubuntugeek.com/

14. How to Setup Broadcom Wireless BCM4312 rev 02 for Ubuntu Hardy

onlyubuntu.blogspot.com/

15. Virtual DesktopOS Emulator Tools for Ubuntu

onlyubuntu.blogspot.com/

1. prealloc – to create a large file in HP/UX

coolcommands.com

2. How To select fastest mirror in Ubuntu

ubuntugeek.com/

3. prtconf – hardware information IBM AIX

coolcommands.com

4. genkld – list of shared objects in AIX

coolcommands.com

5. how to determine if a volume group is normal, big, or scalable in AIX

coolcommands.com

BACKUP

Set a domain name as a variable in your shell (not really required, just makes the rest harder to screw up if you copy and paste from this howto):

Go to the directory where plesk keeps the dumps

Create a file with the description. even if you don’t care about the description, the file needs to exist.

Run the backup:

Note that the shell prompt will be returned to you before the backup is completd. you can watch for the backup to be finished with this command (after waiting a moment or two for backup_restore.log to be created if it wasn’t there already):

When you see the text “Single domain backup is successfully completed.” (or something to that effect, depending on your version), the backup is completed.

RESTORE

To restore again with the backup, or restore on another server:

- Add the domain under the desired client in plesk (the domain has to exist in plesk to continue).

- Copy the .dump file to other server’s /var/lib/psa/dumps/[DOMAIN_NAME] directory.

- Set a domain name, client login and ip address the site should use as variables in your shell (not really required, just makes the rest harder to screw up if you copy and paste from this howto):

Go to the dumps directory where you had copied the dump to

Run the restore command:

If you get errors when restoring related to unmatched cert, see the instructions here: http://forum.plesk.com/showthread.php?s=&threadid=12274

MIGRATION TIPS

If this backup/restore was to move a domain to a new server, here are some useful tips:

- Set the TTL for the zone to something low like 600 more than a day in advance.

- After the move, you can add something like this to the .htaccess file of the site on the old server (for web requests that still make it there):

where domain.com.previewhostname would be where the site can be viewed before dns is changed.

mediasmoke.com/

2. Quick Samba Install and Setup

libraryofmike.org/

3. Buddi – Personal budget software for Ubuntu Desktop

ubuntugeek.com/

4. Money Manager Ex – Cross-platform, easy-to-use personal finance software

ubuntugeek.com/

5. How to use Magic System Request Keys in Ubuntu Linux

ubuntugeek.com/

6. How to make your application appear in the Add Remove tool – gnome-app-install

ubuntugeek.com/

7. Yahoo! Zimbra Desktop – all in one desktop application for openSUSE

susegeek.com/

8. FrostWire – free opensource Gnutella client for openSUSE

susegeek.com/

9. BeeDiff – opensource GUI tool for file comparison and merge

susegeek.com/

10. aMSN – opensource MSN messenger client for openSUSE

susegeek.com/

11. Stellarium – Free opensource planetorium on your computer

susegeek.com/

12. superTux – Classic 2D jump’n'run sidescroller game in openSUSE

susegeek.com/

13. How to configure hotwayd on openSUSE 11 Gnome to enable Evolution to access Hotmail

susegeek.com/

14. Howto use more than 4 GB RAM on Debian etch

debianadmin.com/

15. Puppet – Centralised configuration management for networks

debianadmin.com/

16. ipcs – calculate the memory used by a user hiding in shared memory

coolcommands.com

17. find files by size and modification time in current filesystem

coolcommands.com

18. snap – create a snapshot for IBM tech support in AIX

coolcommands.com

19. bindprocessor – find number of active processors in IBM AIX

coolcommands.com

20. Conduit – Synchronize Your data in Easy Way

ubuntugeek.com/

The idea is to make two separate servers – 1 server for all static files and the code of the application and another one only for the Database!

So here are the steps which we have to take:

1. Configure mysql server to use remote connection

2. Configure the iptables of both servers to allow connections and ports

3. Change the settings of the application
Let’ Start!

Step 1

1. First we need to configure a file which is located in /etc/ directory of linux. So we go and configure it like this

For example, if your MySQL server IP is 192.162.0.3 then entire block should be look like as follows:

Where,

• bind-address : IP address to bind to.
• skip-networking : Don’t listen for TCP/IP connections at all. All interaction with mysqld must be made via Unix sockets. This option is highly recommended for systems where only local requests are allowed. Since you need to allow remote connection this line should removed from file or put it in comment state.

Then we have to Restart mysql service to take change in effect:

or if it’s with plesk:

The next step is to grant some privileges to the user and database. You can do this through the phpmyadmin but it’s easier and faster with SSH .

Grant access to new database
If you want to add new database called foo for user bar and remote IP 202.54.10.20 then you need to type following commands at mysql> prompt:

How Do I Grant access to existing database?

Let us assume that you are always making connection from remote IP called 202.54.10.20 for database called webdb for user webadmin, To grant access to this IP address type the following command At mysql> prompt for existing database:

After you make the necessary changes just exit from the mysql

Step 2

After we make the changes in the mysql server we have to change the iptables (firewall) settings so everything will work after we turn on the firewall.

On the database machine we have to configure the iptables to allow port 3306

If you don’t have such a file probably it’s located in iptables.d folder.

So you have to put a line like this:

Then just restart the iptables – /etc/init.d/iptables restart

After you make these changes in the DB server, you have to allow OUTPUT connection to the DB server for File server in the same way:

If you don’t have such a file probably it’s located in iptables.d folder.

Then just restart the iptables again – /etc/init.d/iptables restart

Step 3

After you are ready with all of these things you just try if everything is ready from the Files Server:

if everything is ok then

Then if the connection is ok everything is configured well.

Finally change the host of your application to the remote host

$host = “192.168.0.3″;

I hope that it will help everybody who wants to know how to configure remote mysql connections .

Set the current date to April 7 2008 8:42:45pm.

The easy way,

The harder way,

The break down: MM DD hh mm YYYY ss

MM = month = 04

DD = day = 07

hh = hour = 20

mm = minute = 42

YYYY = year = 2008

ss = second = 450

sample output,

At the moment, there are two ways you can add, edit or delete cron jobs on our servers. The first is the easiest and that’s using the Plesk interface. The second is more complex, using the crontab program, but if you’re used to using the SSH console and have knowledge of VIM, it’s available.

However, if you’re not familiar with the way cronjobs are configured, please read the following section which will explain the syntax and how it’s works.

What does a cron line and how does it work?

A cronjob line if a very simple line with six parts. The first five set the day/time the job is/are run, while the last part is the command to be run. For example

0 * * * * php /var/www/vhosts/example.com/httpdocs/cron.php

will run the php command-line interpreter, processing the file cron.php (on the website for example.com) at the start of every hour.

The date/time fields have the following meaning:

# +------------ Minute (0 - 59)
# | +---------- Hour (0 - 23)
# | | +-------- Day of the Month (1 - 31)
# | | | +------ Month (1 - 12)
# | | | | +---- Day of the Week (0 - 7) (Sunday is 0 or 7)
# | | | | |
# * * * * * command

Therefore, the option 0 * * * * (from the above example) means ‘on the zeroth minute of any hour on any day of the month, in any month, on any day in the week, run this command‘.

Although can you add a single value, the power of cron comes in it’s ability to allow a number of different syntax options for specifying different values. The following examples will be based on the minutes field, but they can be used in any of the five fields to specific month, day, etc.:

0          - Run it when the minute is zero
*          - Run it on any value (i.e. every minute)
0,15,30,45 - Run it when the minute is 0, 15, 30 or 45 (i.e. every 15 min)
*/15       - Same as above - run it when the minute is divisible by 15
10-15      - Run it every minute between 10 and 15 minutes
30-59/5    - Run it every fifth minute of 30 (i.e. 30, 35, 40, ...)

However, taking the last example, the divisor is not against the minute of the hour, but against the minute within the period selected, therefore while 30-59/5 is when the minute can be divided by 5 between 30 and 59, the option 3-58/5 will not enact on 5, 10, etc., but on 3, 8, 13, etc.

Also, where as the first four fields must match to run the command (i.e. when the minute, hour, day of the month and month match), if the fifth field (day of the week) is also specified, the command will run when either the day of the month OR day of the week match.

To finish off, here are a number of complete examples:

*/15    *     *  *  *   - Run every 15 minutes
3-58/5  *     *  *  *   - Run every 5 minutes on the 3rd and 8th minute
0       */2   *  *  *   - Run every 2 hours, on the hour
25      8,17  *  *  *   - Run at 08:25 and 17:25
0       6     *  *  1   - Run at 06:00 every Monday
30      7     *  1  *   - Run at 07:30 on the first day of the month
0       0     1  *  5   - Run at midnight on the first of the month OR a Friday
*/30    9-17  *  *  1-5 - Run every 30 minutes between 9 to 5, Monday to Friday

Editing your crontab with Plesk

To add a cron job in Plesk:

• Log onto Plesk using your username and password.
• From your list of domains, click on the domain you would like to add the cronjob to.
• Click on Crontab.
• If you have multiple users on this domain (i.e. you have setup different FTP accounts for sub-domains or web users), from the drop-down select the username you want to create the cronjob for, and then click Set.
• Click on Add New Task.
• For each of the first five fields, enter the value as it would be for the cron line (i.e. the date/time fields). All fields are required, so if you don’t have a specific value in that field, enter *.
• Finally, enter the full command into the Command field.
• Click OK to save or Cancel to return.
• If you return back to the page with any errors, please correct the errors and click OK again.

By default, the sever will send any error messages or output from the cronjobs to username@server, e.g. mysite33@gamma.jabservers.co.uk,
which will always come to us. If you want to see the output from your
cronjob, or notices if it doesn't run (for whatever reason), you'll
need to change the address the e-mail is set to.

To do this, goto the crontab page and select the user running the crontab, click on Set, and then change Send Crontab messages to address to the e-mail address you want them sent to. Click Set again to commit the change.

Editing your Crontab via SSH

The main limitation with this option is that you can only edit the crontab for the main domain, as you can only log on via SSH using the user for the master FTP account. If you need to change the crontab for a web user or sub-domain, you will have to use the Plesk interface.

To add a cron job via SSH:

Although we will take you through the steps of using VIM on the server, knowledge of VIM is important for using the crontab program – if you do not know how to use VIM, please see how to add a cronjob using Plesk above.

• Log onto SSH using your chosen program and the username/password for the domain.
• Run the command ‘crontab -e‘ to edit the crontab.
• Move to the end of the file, press i to enter Insertion mode, create a new line and then enter the cron line.
• Press Esc and then enter :wq to write (save) the changes and quit the program.
• If there is an error in the line, you will be notified and asked if you want to re-edit your changes.
• If there is no error, you will see the message ‘crontab: installing new crontab‘.

Again, like with Plesk, any errors, notices or output from the cronjob will go to username@server (e.g. mysite33@gamma.jabservers.co.uk), which, as we manage server, or gamma.jabservers.co.uk in the example, the e-mails will come to us.

To change this and tell the cron daemon to send the e-mails to you, add the line ‘MAILTO=example@example.com‘ to the top of your crontab.

There are different softwares for balancing the traffic between servers BUT.

1. Almost all of them for linux and windows are not good. There are free softwares which are available in the internet. I check Linux Virtual Servers, i check also other balancers for both OS – linux and windows, but there are no good comments for all of them .
I check also that symantec has their own Veritas Cluster Server, but i’m not familiar with it and probably it’s very very expensive.

2. I check also that most of the balancers offers balance for HTTP requests, but there are no balancers for Database or they are very vey expensive (thousands of dollars)

3. If we find a good software (free because paid sofwares are very expensive) we risk to have failers and loose a lot of connections.
-about database balancers
a) there are no balancers easy to set up
b) there are no free or cheap – some companies want thousands for MySQL balancing software

4. The most real solution for such a think is:

- Hardware load balancers, then yes this is an obvious solution, but each balancer can cost twice as much as a Linux server on its own !
- These balancers will remove all possiblities for failurs!!!

5. There are lot of testers who try all free softwares on the market for balancing servers but almost everybody is saying that there are a lot of problems and BUGS.

6. I think that we also should ask peer1 to make this balance between the servers, because they are really experts and know how to do it. If we risk to configure our servers with any balancer we can have a lot of troubles because we are NOT PRO administrators and that this should be done by a hosting company.

7. I saw in the web that there are some hostings which offers ready hostings for this ,but they offers hostings , not the whole server and it’s very expensive again … it’s almost $5000-$6000 a year … which is not solution because we already have 2 servers which are very strong.

8. The balancers will work properly like this : we have two servers, they are connected to each other , then they go through Load Balancer Active and through Load Balancer Backup and then through them it goes to the real users…
- We need to have some hardware which is making a backup all the time , so if something fails on any of the servers, this hardware can save the situation and send the requests back to the users.

9. So i think that we have to speak with peer1 about this problem and see what they will offer for a solution. I hope that they will even offer it for a free , because we already have 2 servers from them

Here are a few links which can be good for all users:

http://www.linux.com/articles/46735

http://www.cyberciti.biz/tips/how-do-i-enable-remote-access-to-mysql-database-server.html

http://iweb.com/managed-hosting/web-cluster?gclid=CNzCwo7n45QCFQ9WtAodMXPEZA

http://en.wikipedia.org/wiki/Microsoft_Cluster_Server

http://www.symantec.com/business/support/overview.jsp?pid=15066

I hope that this article will help to everybody who is trying to solve the problem with overloading and big traffic.

Should you need to reconfigure a Plesk vhost, open a Terminal window and as a root user, enter the following.

/usr/local/psa/admin/bin/websrvmng --reconfigure-vhost --vhost-name=INSERTDOMAIN

/etc/init.d/httpd reload