What is Geo IP? GeoIP is a service that converts IP addresses to their respective location on the earth. This is done by looking up the IP address in a database maintained by various Internet Service providers. Advertisers often take advantage by creating localized ads based on your location. When a person visits your website, […]
Category: Installation
Ffmpeg,mplayer,mencoder,ffmpeg-php
This article describe how to install ffmpeg, mplayer, mencoder, flvtool2, ffmpeg-php with all supported codecs to convert / manipulate videos easily on CentOS 5.x. If you want to run sites like youtube, this article will help you to install the base for your software. 1. Setting-up RPMForge respository. RPMForge repository (http://dag.wieers.com) is the biggest rpm […]
Fantastico
Fantastico is a commercial script library that automates the installation of web applications to a website. Fantastico scripts are executed from the administration area of a website control panel such as cPanel. Fantastico’s web site claims that they are installed on ten thousand servers, with a million users worldwide. There are more than 50 applications […]
ClamAV antivirus
ClamAV is an open source (GPL) antivirus engine designed for detecting Trojans, viruses, malware and other malicious threats. It is the de facto standard for mail gateway scanning. It provides a high performance mutli-threaded scanning daemon, command line utilities for on demand file scanning, and an intelligent tool for automatic signature updates. The core ClamAV […]
Chkrootkit
Chkrootkit or Check Rootkit is a common Linux security tool which will scan your server for any signs of rootkits or worms which could severely impact the security of your server if they are not removed. In this blog post we are going to cover installing chkrootkit on a dedicated server and configure it to […]
BigBlueButton
Pre-requisites 1. 2 GB of memory (4 GB is better) 2. Dual-core 2.6 GHZ CPU (quad core is better) 3. Ports 80, 1935, 9123 accessible 4. Port 80 is not used by another application 5. 50G of free disk space (or more) for recordings To verify you have ubuntu 10.04
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$ cat /etc/lsb-release |
If it returns something […]
AVG
Downloading the AVG installation file It is recommended to always use the latest AVG installation file when installing AVG. Using an old installation file may lead to downloading large update files immediately after installation. The latest installation package also contains fixes to the most recently discovered issues, minimizing the chance of encountering an AVG malfunction […]
Adding additional repositories in CentOS
The following yum command displays all the repositories available on your system. As you see below, it has three CentOS-6 repositories (base, extras and updates). This doesn’t have EPEL enabled yet.
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# yum repolist repo id repo name status base CentOS-6 - Base 6,294 extras CentOS-6 - Extras 4 updates CentOS-6 - Updates 830 repolist: 7,128 |
Everything that you need to install may not be available in the default OS repository. You will need to add/enable extra repositories. Contents […]
Vztop
VZTOP is an utility to check the process usage of the virtual nodes. It comes along with vzprocps package and can be downloaded from http://download.openvz.org/contrib/utils/. Installation:
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rpm -ivh <a class="external free" href="http://download.openvz.org/contrib/utils/vzprocps-2.0.11-6.13.swsoft.i386.rpm" rel="nofollow">http://download.openvz.org/contrib/utils/vzprocps-2.0.11-6.13.swsoft.i386.rpm</a> |
The binary name is vztop. You can run vztop , followed by Shift + E to turn ON the VEID mode. This will show the unique ID’s of […]
OpenVZ Installation
Follow the below steps to install OpenVZ in your server. 1. Add the openvz repo.
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cd /etc/yum.repos.d wget <a class="external free" href="http://download.openvz.org/openvz.repo" rel="nofollow">http://download.openvz.org/openvz.repo</a> yum -y install ovzkernel |
2. Adjust the sysctl.conf
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vi /etc/sysctl.conf |
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# Controls IP packet forwarding net.ipv4.ip_forward = 1 # Controls source route verification net.ipv4.conf.default.rp_filter = 1 # Controls the System Request debugging functionality of the kernel kernel.sysrq = 1 net.ipv4.conf.default.proxy_arp = 0 net.ipv4.conf.default.send_redirects = 1 net.ipv4.conf.default.send_redirects = 1 net.ipv4.conf.all.send_redirects = 0 # Enables source route verification net.ipv4.conf.all.rp_filter = 1 |
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sysctl -p |
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shutdown -r now uname -r |
3. Install openvz tools.
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yum install vzctl vzquota vzpkg |
4. Start
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/etc/init.d/vz start |
5. Download pre-created templates from http://download.openvz.org/template/precreated/ to your server.
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cd /vz/template/cache/ wget <a class="external free" href="http://download.openvz.org/template/precreated/centos-6-x86.tar.gz" rel="nofollow">http://download.openvz.org/template/precreated/centos-6-x86.tar.gz</a> |
6. Create a VPS
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vzctl create 101 --ostemplate centos-5-x86 --config vps.basic |
7. Set hostname
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vzctl set 101 --hostname veeble --save |
Now you have a […]