Dimitri Nek | Linux Tutorials for Beginners

How to Install Yum on Red Hat Enterprise Linux 5 (RHEL)

In this guide, we will be exploring the process of installing Yum on Red Hat Enterprise Linux 5 (RHEL). This tutorial is applicable to most versions of Red Hat Enterprise…

How to Increase the Size of Logical Volume (LVM) on Linux

Logical Volume Management (LVM) is a flexible and advanced option available to manage hard disks in most Linux distributions. It provides a higher level of storage management than traditional partitioning….

How to Setup Additional LVM in CentOS 5.5

In this post, i will share on how to setup additional LVM in CentOS 5.5. 1. Assumed that new hard disk 2 (sdb) has been added in this CentOS 5.5…

How to Remove the “This site may harm your computer” warning?

If you see a warning message that says “This site may harm your computer” when you try to access a website, it means that the site has been flagged by…

How to Fix “-bash: crontab: command not found” Error

Cron is a popular tool used in Unix-like operating systems to schedule jobs or commands to run automatically at specific intervals. The crontab command is used to create, edit, and…

How to Fix MySQL Database Error: Can’t create database ‘newdbname’ (errno: 28)

The MySQL error “Can’t create database ‘newdbname’ (errno: 28)” usually occurs when there is insufficient disk space on your server or partition where the MySQL data directory resides. mysql> CREATE…

How to Install Serendipity blog on CentOS 5.5

Serendipity is a PHP blog application which gives the user an easy way to maintain an online diary, weblog or even a complete homepage. It is very simple application and…

How to Change The Default Route or Gateway on Solaris

Changing the default gateway on a Solaris server is a straightforward process that can be accomplished without causing any network interruptions. By editing the /etc/defaultrouter file and using the ‘route…

How to Change the Hostname on CentOS 5.5 Server

In this post, i will show you how to change the hostname on linux CentOS 5.5. Reboot is required for both steps. Option 1. Change Hostname using command shell: [root@server…

How to Drop or Block Incoming/Attackers IP Address Using null route

In server administration, it’s crucial to have a robust set of tools to protect your system from potential threats. One such tool is the ability to block incoming IP addresses…

How to Drop or Block Incoming Access From Specific IP Address Using Iptables

Introduction: Iptables is a powerful tool used to manage the Linux firewall. It is used to set up, maintain, and inspect the tables of IP packet filter rules in the…

How to Fix “Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)”

Encountering issues with your hardware is not uncommon. One such problem that users often face is the inability to read CDs or DVDs, with the DVD/CD-ROM drive not appearing on…