How to Create and Extract a gzip Compressed Archive File on Linux

Archiving and compressing files are useful when creating backups and transferring data across a network. One of the oldest and most common commands for creating and working with the backup archives is tar command. tar originally stood for tape archiver. With tar, we cab gather large sets of the files into a single file(archive). We […]

How to use Basic Regular Expression with grep command on Linux

Regular expressions are special text strings that used to search for and match patterns in text. To make the search expression more specific, it can work together with the grep command. The grep command is the General Regular Expression Parser; it searches a file for strings matching a given regular expression, and by default it […]

How to Create softlink with ln command on Linux

Symlink, also called softlink, is a symbolic path indicating the abstract location of another file. In addition, a softlink files has the same role as a Windows shortcut. In this post, i will show you on how to create softlink or symlink on linux server. This steps has been tested on linux CentOS 6.2 x86 […]

How to Restore and Recover Lost Bookmark on Mozilla Firefox

During normal usage of Firefox, you may discover that your Mozilla firefox has suddenly lost your bookmarks. In most cases, the bookmarks are not lost. Losing your bookmark just like you lost all your best friend contacts number. There are a number of reasons that can cause your bookmarks to disappear or suddenly lost from […]

How To Check SELinux Status on CentOS 5.8

SELinux is a Linux feature that provides a mechanism for supporting access control security policies in the Linux kernel. In this post, i will share on how to check Security-Enhanced Linux (SELinux) status on linux CentOS 5.8 server. First method to check the SELinux status is using sestatus command. Another method is check through configuration […]

How to Change Hostname on CentOS 5.8

In this post, i will show you the basic guides on how to change the hostname on linux CentOS 5.8 server. Assumed that you have root account access on this CentOS server and this steps may working on RHEL 6, RHEl 5, CentOS 5.5, CentOS 5.6, CentOS 5.7, CentOS 6.0, CentOS 6.1 and CentOS 6.2. […]

How to Install Disqus on WordPress

Disqus is a world favorite comment system and discussion platform that improves discussion on websites or blogs and connects conversations across the web. It is free to register and you can install more that one websites in one account. In this post, i will share on how to install Disqus on WordPress blog. 1. Before […]

How to Check MX Record Using nslookup Command on Windows

nslookup is a command-line tool for network administrator and system administrator that available in many computer operating systems such as linux and windows for querying the Domain Name System (DNS). nslookup can obtain domain name or IP address or for any other specific DNS record. In this post, i will share how nslookup command will […]

How to Check Opened Port on Linux VPS Server

By default, the linux operating system manages 65536 ports. If you run Virtual private Server (VPS) on linux platform, it is better to turn off any services or ports that you don’t actually need. This is to ensure your VPS server will not become avenues of attack for any security threats. Simply run these commands […]

How to Check VPS Network Speed

Several important factors to consider before buying a Virtual Private Server (VPS) are Internet connection speed, I/O speed, CPU performance and the server or network uptime. Actually, you can get a complete comparison about the VPS performance at websites, but if you want a second opinion on how fast is your connection speed VPS, […]

How to SSH Without Password on Linux

In this post, i will share with you the steps on how to setup and configure linux servers to allow SSH without password. After completely performed the following steps, you can ssh from one system to another without specifying a password. With this, you can automate your tasks such as automatically copy data from server1 […]

How To Disable The IPv6 on CentOS 5.8

By default, IPv6 has been set to enabled on linux CentOS 5.8 minimum installation. If you plan to disable this feature, you can follow these steps to completely disable it. This can avoid accidentally loaded IPv6 module. This steps may working on other CentOS version. 1. Create disable-ipv6.conf on /etc/modprobe.d/ and add the following line […]

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