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Check open connections You can see who is open the connections in 25 port for example like: netstat -an | grep 25 and...

Compare LDAP entries If you have a master and a slave or more servers and want to compare the total entries under...

Display your hardware In order to get detailed information about your Linux server hardware install the lshw (apt-get...

How can I see the MySQL variables? Login to your mysql DB as any user and type:show variables;You will get something...

How do I set a my own default index file when browsing to a directory? To do this, create a file called ".htaccess" in the directory with the following...

How to add reverse DNS You will need to open a ticket including the IP or IPs and the reverse dns name that you wish to...

How to backup a large database using mysqldump No matter the control panel or server configuration assuming you are running MySQL server issue...

How to check what release of Ubuntu I have? Just type: lsb_release -a

How to install Curl and auto reboot your server If your server is located in Germany, you will need a package (software) called curl to be able...

How to rip DVD (vob) to web mencoder myvideodvd.vob -of lavf -ovc lavc -lavcopts vcodec=flv:vbitrate=150 -ofps 25 -oac...

Increase the maximum number of open files Command to list umber of open file descriptorsUse the following command command to display...

Mod_rewrite In this tutorial's last instalment we started off witha discussion of the basics of Module...

Reload NFS exports If you come back and change your /etc/exports file, the changes you make may not take effect...

Server Load - The Basics Load, in computing, is a measure of the amount of processing a computer system is currently...

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