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How to Install LEMP (Linux, Nginx, MariaDB, PHP) on Fedora 30 Server
In this article, weāll be looking at how to install LEMP stack on Fedora 30 Server. LEMP Stands for: L -> Linux E -> Nginx M -> Maria DB P -> PHP I am assuming Fedora 30 is already...
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How to set ulimit and file descriptors limit on Linux Servers
Introduction:Ā Challenges like number of open files in any of the production environment has become common now a day. Since many applications which are Java based and Apache based, are getting...
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How to Use VLAN tagged NIC (Ethernet Card) on CentOS and RHEL Servers
There are some scenarios where we want to assign multiple IPs from different VLAN on the same Ethernet card (nic) on Linux servers (CentOS / RHEL). This can be done by enabling VLAN tagged interface....
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How to Install and Configure KVM on RHEL 8
KVM is an open source virtualization technology which converts your Linux machine into a type-1 bare-metal hypervisor that allows you to run multiple virtual machines (VMs) or guest VMs KVM stands for...
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Learn how to Record and Replay Linux Terminal Sessions Activity
Generally, all Linux administrators use history command to track which commands were executed in previous sessions, but there is one limitation of history command is that it doesnāt store the commandās...
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How to Upgrade Debian 9 (Stretch) to Debian 10 (Buster) via Command Line
Hello All!!!, Good to See you! So we saw how to install Debian 10(Buster) in the previous article. Today, we are going to learn how to upgrade from Debian 9 to Debian 10. Since we have already seen...
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Learn how to Install LXD / LXC Containers from Scratch
Let me start by explaining what a container is, it is normal process on the host machine (any Linux based m/c) with following characteristics, It feels like a VM, but it is not. Uses the host Kernel....
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How to Setup Disk Quota on XFS File System in Linux Servers
Managing Disk quota on file systems is one of the most common day to day operation tasks for Linux admins, in this article we will demonstrate how to setup disk quota on XFS file system / partition on...
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How to Create Availability Zones in OpenStack from Command Line
In OpenStack terminology, Availability Zones (AZ) is defined as a logical partition of compute(nova), block storage (cinder) and network Service (neutron). Availability zones are required to segregate...
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How to Install Ansible (Automation Tool) on Debian 10 (Buster)
Now a days in IT field, automation is the hot topic and every organization is start adopting the automation tools like Puppet, Ansible, Chef, CFEngine, Foreman and Katello. Out of these tools Ansible...
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Different Ways to Configure Static IP Address in RHEL 8
While Working on Linux Servers, assigning Static IP address on NIC / Ethernet cards is one of the common tasks that every Linux engineer do. If one configures the Static IP address correctly on a Linux...
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How to Setup Multi Node Elastic Stack Cluster on RHEL 8 / CentOS 8
Elastic stack widely known as ELK stack, it is a group of opensource products like Elasticsearch, Logstash and Kibana. Elastic Stack is developed and maintained by Elastic company. Using elastic stack,...
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How to Collect System and Application Metrics using Metricbeat
Metricbeat is a lightweight shipper (or agent) which is used to collect systemās metrics and application metrics and send them to Elastic Stack Server (i.e Elasticsearch). Here systemās metrics refers...
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How to Configure SFTP Server with Chroot in Debian 10
SFTP stands for Secure File Transfer Protocol / SSH File Transfer Protocol, it is one of the most common method which is used to transfer files securely over ssh from our local system to remote server...
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CentOS 8 Installation Guide with Screenshots
After RHEL 8 release, CentOS community has released its most awaited Linux distribution as CentOS 8. It is released into two forms: CentOS stream ā It is designed for the developers where they will get...
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How to Install and Use Cockpit on CentOS 8 / RHEL 8
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...
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How to Install and Configure VNC Server on Centos 8 / RHEL 8
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...
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How to Enable EPEL Repository on CentOS 8 and RHEL 8 Server
EPEL Stands for Extra Packages for Enterprise Linux, it is a free and opensource additional packages repository available for CentOS and RHEL servers. As the name suggests, EPEL repository provides...
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How to Configure Rsyslog Server in CentOS 8 / RHEL 8
Rsyslog is a free and opensource logging utility that exists by default onĀ CentOS 8 and RHEL 8 systems. It provides an easy and effective way of centralizing logs from client nodes to a single central...
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How to Enable Timestamp in Linux History Command Output
History is one the most useful command line tool for all Linux and Unix geeks. As the name suggests history command is used to keep track of all commands that were executed on a Linux server. By...
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