/bin/rm: Argument list too long

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…

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…

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…

Often time, you may need to know which file contains large file size, and delete it to save space. Here’s a code pattern to show you how to find large file size on Linux : 1. File size >= 100MB Find all files that have a size >= 100MB, from root folder and its sub-directories….