Category Archives: VPS

Basic Concepts in Firewalld

Basic Concepts in Firewalld Here,we have discussed about basic concepts of firewalld Zones The firewalld daemon manages groups of rules using entities called “zones”. Zones are basically sets of rules dictating what traffic should be allowed depending on the level of trust you have in the networks your computer is connected to. Network interfaces are… Read More »

Category: VPS

How To Set Up a Firewalld in Linux CentOS 7 / RHEL7

How To Set Up a Firewalld in Linux CentOS 7 / RHEL7 Firewalld is a firewall management solution available for many Linux distributions which acts as a frontend for the iptables packet filtering system provided by the Linux kernel. In this guide, we will cover how to set up a firewall for your server and… Read More »

Category: VPS

7 useful du commads to check the disk usage

7 useful du commads to check the disk usage The Linux “du” (Disk Usage) is a standard Unix/Linux command, used to check the information of disk usage of files and directories on a machine. The du command has many parameter options that can be used to get the results in many formats. The du command… Read More »

Category: VPS

Commands to Check Disk Space in Linux

Check File System Disk Space Usage The ‘df‘ command stand for “disk filesystem“, it is used to get full summary of available and used disk space usage of file system on Linux system. This article explain a way to get the full information of Linux disk space usage with the help of ‘df‘ command with… Read More »

Category: VPS

How to install MySQL server on centos

Login to your server Install MySQL using yum command on centOS yum install mysql-server Once you installed the MySQL server,then you have to start MySQL services using the below command systemctl start mysqld Your server has “root” user but MySQL also has its own. It means your server’s root password is not similar as root… Read More »

Category: VPS

How to change the default SSH Port number on Linux server

Secure shell(SSH) default port number is 22.This default port number leads to huge automated DDoS attack on the server.By changing the deault SSH port number will helps to stop many automated DDoS attack because it’s bit harder to get the port number Here we are going to discussed about changing the default port number on… Read More »

Category: VPS

How to install apache and php on centos 7

Apache web server is free and open-source cross-platform web server software.It is fast,reliable and secure.It runs on 67% of all webservers in the world. Install Apache To install Apache by using the below command yum install httpd Install PHP To install PHP by using the below command yum install php Install PHP modules search the… Read More »

Category: VPS

Basic “20” commands in Linux

Linux is a unix-like computer operating system assembled under the model of free and open source software development. If you choose Linux operating system,you need to know some basic linux commands to configure,operate and interact with your system smoothly.In Linux system,commands are required as inputs to inform a computer program to perform specific operation. cd… Read More »

Category: VPS

List of “ls” commands

We are mostly used to find the list of files and directory by using “ls” commands. “ls” command is most frequently used commands in Linux.We are not aware to use number of “ls” option. ls  -with no option By using ls command, you have to seen list of files and directories. To View Hidden files… Read More »

Category: VPS