20 ps Command Examples to Monitor Linux Processes
Monitoring Linux system is one of the most quintessential task that any Linux user or a systems administrator needs to carry out round the clock to ensure the system is running smoothly and avoid...
Author: Pradeep Kumar
How to Sync Time in Linux Server using Chrony
Time plays an important role in Linux servers specially when they are used in banking, stock markets and other financial sectors. If we want all our Linux servers should have the correct time, then...
How to Setup DNS Server (Bind) on CentOS 8 / RHEL8
Developed in the 80’s by students at Berkeley University, BIND (Berkeley Internet Name Domain) is an open source DNS server that provides DNS services on Linux distributions. So, what is a DNS server ?...
How to Boot CentOS 8 / RHEL 8 Server in Single User Mode
For day to day operations tasks, sometimes Linux geeks have to boot Linux server in single user mode for recovering the root password, repairing file system errors, fixing incorrect entry of fstab and disabling...
How to Install and Configure KVM on Debian 10 (Buster)
KVM stands for Kernel based Virtual Machine, KVM is a free and open source type 2 hypervisor which is installed on top of Linux like distributions. Once the KVM is installed on your system...
Lock User Account After n Failed Login attempts in Linux
Linux Server hardening is one of the important task for sysadmins when it comes to production servers. It is recommended that one should enable login or ssh attempts policy, means user’s account should be...
How to Use htop to Monitor Linux System Processes
Htop is a command-line utility that is an improved version of the top command. It displays crucial system metrics such as tasks running, PIDs, uptime, load average, memory utilization and a load of other...
How to Install Ansible AWX with Docker-Compose on CentOS 8
Red Hat has provided two GUI tools for centralized management of remote nodes using Ansible. Ansible Tower AWX Ansible Tower is a web-based interface and REST API endpoint for Ansible. It provides centralized logging...
25 Top Command Examples to Monitor Linux Server Performance
The Top utility tool is a handy tool that gives Linux users a peek at the performance statistics on their systems. You can use it to monitor resource metrics such as memory usage, CPU,...
How to Install Docker CE on CentOS 8 / RHEL 8
Docker is a daemon-based container engine which allows us to deploy applications inside containers. With the release of RHEL 8 and CentOS 8, docker package has been removed from their default package repositories, docker...
How to Install Ansible (Automation Tool) on CentOS 8/RHEL 8
Ansible is an awesome automation tool for Linux sysadmins. It is an open source configuration tool which allows sysadmins to manage hundreds of servers from one centralize node i.e Ansible Server. Ansible is the...
How to Install VirtualBox 6.0 on CentOS 8 / RHEL 8
VirtualBox is a free and open source virtualization tool which allows techies to run multiple virtual machines of different flavor at the same time. It is generally used at desktop level (Linux and Windows),...
