How to Install Nginx, MySQL, PHP (LEMP) Stack on CentOS This guide will help you install Nginx, MySQL, PHP (LEMP) Stack on CentOS machine i.e. Server. LEMP is a software stack comprised of Nginx as Web Server and MySQL as Database server along with PHP as the dynamic content processor for websites. LEMP term is…
Have a website which needs Node.js to work and have no idea how to install it on your Server? No Problem, this guide will how you how you can install Node.js on your Server with CentOS Machine. Requirements Server with CentOS 6/7 Root Access to Server Procedure Login to Server using SSH Add Node.js repo…
Setup Virtual Hosts with Apache on Node.js CentOS Server Do you want to host multiple Node.js Websites on the same Server with different location stored? No Problem, we have a solution for you. We will use apache to turn our server into a web server. There are small requirements for this process. Requirements CentOS Machine…
OpenVZ useful commands Here is the list of some useful OpenVZ commands which should be run from the main node : 1. To fetch the consumption of disk for each container in the node along its it’s hostname and ctid vzlist -H -o veid,hostname,diskspace | awk ‘{ printf(“%d\t%s\t%.2f GB\n”, $1, $2, $3/(1024*1024))}’ 2. To…
Disk Extend EXT2/3/4 and XFS root partition without LVM Looking for steps to grow your KVM VM/Container’s partition after extending root OS size or extending ext2/3/4 and XFS root partition without LVM at runtime. Steps to extend root partition without LVM are quite easy and can be followed without going into many technical details. This…
Introduction SQLi is the manipulation of a security flaw in database systems. WordPress, as a platform, runs server-side scripts in PHP and uses SQL databases. Hence, SQL and PHP make WordPress websites vulnerable to attackers. They could insert malicious URLs (which are embedded with commands) that trigger unwanted behaviors from your database. Consequently, your database’s…
In this article, we will explain swap space, and learn how to create swap space using a swap file in Linux: this is important in case we don’t have a swap partition created on the hard disk. Swap space/partition is space on a disk created for use by the operating system when memory has been…
How to automatically clean up /tmp directory contents in Linux? Every Linux system has a directory called /tmp which has mounted with separate file system. It has special filesystem called tmpfs. It’s a virtual filesystem and operating system will automatically mount /tmp mount point while system booting. If you want to mount /tmp directory separately as…
AWS doesn’t grant root access by default to EC2 instances. This is an important security best practise. Users are supposed to open a ssh connection using the secure key/pair to login as ec2-user. Users are supposed to use the sudo command as ec2-user to obtain elevated privileges. Problems arise with a number of software packages…
If you’re on a cPanel server, you’ve probably noticed a sizable folder called ‘virtfs’ sitting in /home, which would appear at first to be using a ton of space. Your first inclination might be to delete it, but don’t! Most likely, the files in that folder are actually just hard links or bind mounts and…