Dhika CikulJust Want to Learn and Share

The purpose of this document is to lead the users to configure theirs OpenVPN clients to access to a VPN server. We will see how to install and configure the most used OpenVPN’s GUI for Microsoft Windows, Linux, Mac OS X and Windows Mobile for Pocket PC. At the end of the document we will learn to use the OpenVPN’s command line interface. This last possibility is useful, because the openvpn command, which you can execute by using the prompt (Unix Shell or Windows Prompt) accepts the same parameters and has the same behavior regardless from which Operating System you use. In addition, you could use the openvpn command in a script to automatically start the VPN connection.

Read the rest of this entry »

Incoming search terms:

To get CentOS Linux Version you can do this commant :

[code=""]
[root@sin2 ~]# cat /etc/redhat-release
CentOS release 4.6 (Final)
[/code]

Hope this Works..

Incoming search terms:

For the web server that using mysql as a database engine. Sometimes the process in mysql need a large resource, especially if server has a high traffic. According to my experience, to the high traffic server, the MySQL process itself can spend more than 30% of server resources. So, I will give you tips for optimizing mysql on the server that has high traffic.

Mysql configuration located in the my.cnf file, usually this file is in the /etc directory, but can also in other folders. For more safe, you can search my.cnf file to make sure the location of the file. Read the rest of this entry »

Incoming search terms:

Hyper-threading is Intel’s technology that enables multiprocessor servers to act as if they had twice as many processors installed. its simultaneous multithreading implementation in their Pentium 4, Atom, and Core i7 CPUs. A processor with hyper-threading enabled is treated by the operating system as two processors instead of one. In essence, HT Technology converts a single physical processor into two virtual processors. For more details see Intel’s site.

Read the rest of this entry »

Incoming search terms:

Sometimes there is a need to backup a CPanel account without logging into CPanel. we can backed up cpanel account via SSH.

pkgacct

from the /scripts folder on your server.

Read the rest of this entry »

Incoming search terms:

To change centOS IP Address, you must know what network interface used with your linux installation, to check network interface, you can use this command : Read the rest of this entry »

Incoming search terms:

If you have cpanel server, and have phpsuexec or suphp installed and you get “Internal Server Error” message while accessing account on your server, you must see permission in users directory. If PHP runs with phpsuexec or suphp, all files under accounts must have correct ownership. If you see that your directory/account ownership still nobody, you must change it manually or you can use cpanel included scripts to repair permission for all accounts.

First, you must log into SSH, and then you can run this script :

root@server [/]# /scripts/chownpublichtmls

hope this helps

Incoming search terms:

tmp can be secured to be noexec in 1 minute, no reboot required. Nothing can execute there – /var/tmp remains a risk – unless that is mounted separately also:

/dev/VolGroup00/LogVol02 /tmp ext3 defaults,nosuid,noexec 1 2

edit the /etc/fstab file, then do a mount -o remount and it will remount /tmp and you are set – just don’t be in /tmp when remounting.

Incoming search terms: