How to Configure FTP Server in Linux RHEL 6
In this post i will show how to install Very Secure FTP (Vsftpd) and how to configure ftp server in linux Red Hat Enterprise Linux 6 (RHEL 6). Vsftpd is a…
How to Check Linux System Reboot Date and Time
Question : How to check when was my linux system last rebooted and how long was the system running ? Answer : The are several command to check last system…
The OpenSSL Heartbleed disaster definitely opened up many people’s eyes to how underfunded and understaffed many of the open source projects the web relies on are. To prevent the next…
How OpenStack parallels the adoption of Linux
In spite of its considerable momentum, there are still skeptics about whether OpenStack will ultimately succeed. My colleague tackled some of that skepticism in a blog post last year and…
How to Remove Volume Group and Physical Volume on LVM
Basically, adding and removing LVM will always involves these three logical “layers” which are Physical volumes (pv), Volume groups (vg) and Logical volumes (lv). This post assumed that the Logical…
Configure Network Time Protocol (NTP) on CentOS 6.3
As opposed to the manual setup, it is possible to synchronize the system clock with a remote server over the Network Time Protocol (NTP). NTP is an Internet protocol used…
How to Install Wireshark on CentOS 6.3
Wireshark is a free and open-source network packet analyzer that will help to capture network packets and tries to display that packet data as detailed as possible. This post will…
How to Setup Zimbra Collaboration Suite 7.2.0 Mail Server on CentOS 6.2 x86_64
In this post, i will show you the steps to setup Zimbra Collaboration Suite (ZCS) 7.2.0 Mail Server open source edition on CentOS 6.2 64 bit. Zimbra only released the…
How to Install PHP 5.3.3 on CentOS 5.8
PHP: Hypertext Preprocessor is a widely used, free and open-source server-side scripting language that was especially designed for web development to produce dynamic web pages and can be embedded into…
How to Configure Bind-Chroot Logging on CentOS 6.2
In this post, i will show on how to turn on Bind DNS server logging in order to log all the dns queries on CentOS 6.2 linux server. Assumed that…
How to Add SPF Record in Bind DNS Zone on Linux
In order to prevent the Hotmail.com, Gmail.com, Yahoo.com and other top internet mail provider interpret all mails originate from your server to be spam and then placed it into junkmail…
How to Setup Private DNS With Bind9 Chroot on CentOS 6.2 VPS
Assumed that you already buy two Virtual Private Server (VPS) but you dont want to point your nameservers on your hosting provider. To look more professional and stylish, you can…