Postfix is a free and opensource MTA (Mail Transfer Agent) used for routing or delivering emails on a Linux system. In this guide, you will learn how to install and configure Postfix on CentOS 8. Lab set up: OS : CentOS 8 … Read more
In the organizations where the OpenStack is used aggressively, so in such organizations application and database teams can come up with requirement that their application and database instances are required to launch either on same compute nodes (hypervisor) or different compute nodes. So, this requirement … Read more
Sometimes, you may have tasks that need to be performed on a regular basis or at certain predefined intervals. Such tasks include backing up databases, updating the system, performing periodic reboots and so on. Such tasks in linux are referred to as cron jobs (Crontab). … Read more
In the previous article, we demonstrated how to install Nagios Core on CentOS 8 / RHEL 8 server. In this guide, we will dive deeper and add Linux and Windows hosts to the Nagios Core server for monitoring. Adding a Remote Windows Host to Nagios … Read more
If you’re a command-line enthusiast, you probably use the history command regularly to recall past commands. It’s a handy feature that allows you to review your actions, streamline your workflow, and even troubleshoot if needed. However, there’s a way to supercharge your history logs by … Read more
Nagios is a free and opensource network and alerting engine used to monitor various devices, such as network devices, and servers in a network. It supports both Linux and Windows OS and provides an intuitive web interface that allows you to easily monitor network resources. … Read more
So, you finally made the bold decision to try out Linux after much convincing. However, you do not want to let go of your Windows 10 operating system yet as you will still be needing it before you learn the ropes on Linux. Thankfully, you … Read more
Hello Techies, in this post, we will learn scp command in Linux with 14 different examples. SCP is a command line tool in linux distributions, which is used to copy files and directories across the systems securely over the network. SCP stands for secure copy … Read more
Rsyslog is a free and opensource logging utility that exists by default on CentOS 8 and RHEL 8 systems. It provides an easy and effective way of centralizing logs from client nodes to a single central server. The centralization of logs is beneficial in two … Read more
In this article, we will demonstrate how to install epel repository on RHEL 9 and RHEL 8 system. EPEL Stands for Extra Packages for Enterprise Linux, it is a free and open-source additional packages repository available for RHEL, CentOS Stream, AlmaLinux and Rocky Linux servers. … Read more
A VNC (Virtual Network Computing) Server is a GUI based desktop sharing platform that allows you to access remote desktop machines. In Centos 8 and RHEL 8 systems, VNC servers are not installed by default and need to be installed manually. In this article, we’ll … Read more
Cockpit is a Web based server management tool available for CentOS and RHEL systems, recently CentOS 8 and RHEL 8 are released where cockpit is kept as default server management tool. Its package is available in the default CentOS 8 and RHEL 8 package repositories. … Read more
