DON'T MISS
Install Ansible AWX on Kubernetes in 5 minutes
Ansible AWX or Ansible Tower will come with a Web user interface for Ansible tasks. Let make the installation process easier by following below guide.
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How to Setup NFS Server on CentOS 8
To transfer any files over the network, Setup NFS Server which allows to export the local file system and make it possible to access over the network from one or more clients.
Introduction to Software RAID and RAID Levels in Linux
Physical RAID or Software RAID (Redundant array of independent disks are used for reliability, resilience and performance. The most important part is to save our precious data without losing it in a production platform.
Moving a Volume Group from one Server to another Server
Moving a Volume group from one system to another system without missing any underlying logical volumes and file systems.
How to Create a Thinly Provisioned Logical Volume on CentOS/RHEL/7/8
Thinly Provisioned Logical volume is one of the advanced feature available in Logical volume Management, We can provision storage more than what we have.
Migrating Logical Volumes in Logical Volume Management
Migrating Logical Volume by moving the extents from a PV to another PV when a faulty disk or the size of the disk need to be larger than the current one.
Striped Logical Volume in Logical volume management (LVM)
How to create Striped Logical Volumes in Logical Volume Management to get good I/O performance by balancing the data written to disks.
LINUX SECURITY
Import RPM Signing GPG keys on CentOS 8
GPG Keys or GNU Privacy Guard is used to making sure that we are getting the right package from a trusted repository.
Install Wazuh Open Source Security Analytics
Install production-ready Wazuh OpenSource security analytics tool to monitor your critical production environment.
Migrate existing Iptables to Nftables in RHEL8/CentOS
Iptables can be migrated to nftables without spending time on writing it. Red Hat 8 based operating system provides translate tool to migrate the rules.
LINUX OPERATING SYSTEMS
Step by Step Installing CentOS Linux 8 with Screenshots
CentOS Linux 8 is completely free to use and licensed under GNU GPL, It provides all features available in RHEL 8 and support available from the community.
SYSTEM MANAGEMENT
Provisioning Bare Metal and VM from Foreman in 6 easy steps
By Provisioning Bare metal and virtual machines, We can automate the process of installing an Operating system with the help of Foreman.
Register a Linux client with Foreman
How to subscribe a client with our content management server foreman/Katello/Satellite.
Install Foreman Katello Patch Management on CentOS 7
Foreman with katello patch management is a Content Management System provides a lot of features such as provisioning, Inventory, Patch management and much more.
Install FOG Imaging solution for Linux/Windows and Mac
Fog or "Free Open-Source Ghost" is an open source piece of cake used for imaging solution licensed under GPL.
LINUX AUTOMATION
Install Ansible AWX on Kubernetes in 5 minutes
Ansible AWX or Ansible Tower will come with a Web user interface for Ansible tasks. Let make the installation process easier by following below guide.
Install Kubernetes Cluster with Ansible on Ubuntu in 5 minutes
Install Kubernetes cluster with Ansible will easy the process of installation by saving our time. If you are looking to complete a mass installation setup in less than 5 minutes, Have a look into this.
Ansible tasks for Sysadmins with 25 examples
Ansible tasks are a set of actions, the number of tasks can be combined to form a playbook required for sysadmins in their daily routine operations.
Splunk forwarder installation using Ansible
(adsbygoogle = window.adsbygoogle || ).push({}); Splunk forwarder installation can be accomplished using Ansible. In...
Create a Logical volume using Ansible
(adsbygoogle = window.adsbygoogle || ).push({}); In our last guide, we have seen how to...
LINUX INTERVIEWS
Linux Interview questions and answers for Level 1 role. Those who are looking to be an entry-level Linux admin and preparing for an interview look into it.
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TROUBLESHOOTING
vSAN cluster UUID mismatch | 1 Quick Solution
A quick solution to resolve vSAN cluster UUID mismatch in VMware environment.
Recover from Starting Switch Root or corrupted Glibc
While starting the server it will not move forward after "Starting Switch Root". Step by Step let's see how to fix this issue.
Recover from chmod 777 permission on a root filesystem
How to Recover from accidentally running chmod -R 777 / on any RPM-based Linux Operating systems.
How to fix Grub Rescue in CentOS and RHEL 7
A fix for boot issue (Grub rescue) will be carried out by sysadmins by following few steps. A brief guide on how to recover GRUB and UEFI based servers.
WEB SERVERS
Install and configure Apache Tomcat 8.5 on RHEL & CentOS7
Ahmad Wamiq - 2
Apache Tomcat is an open-source technology, which licensed under Apache License version 2. Basically to understand what the use of Tomcat it's a simple HTTP server used for Java Servlet, JavaServer Pages, Java Expression Language.
How to configure logging in Apache Web server
In this guide let us see how to log any required particular logs in Apache web server. To read about Apache related topic click on...
Understanding Apache Web Server logs
(adsbygoogle = window.adsbygoogle || ).push({}); In our earlier topic, we have seen how to...
Setup Apache Web Server on RHEL and CentOS7
(adsbygoogle = window.adsbygoogle || ).push({}); Introduction to Apache Web Server In...
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Monitoring Tools
Step by step guide to install with Splunk Enterprise 7.0.2
What is Splunk Enterprise? Splunk is an IT tool which helps to collect logs, analyze, visualize, audit and...
FTP Server
How to enable last login information for SFTP chroot or non-chroot users
In this guide, we are looking into a PAM implementation. By default, SFTP chroots and non-chroot users last login information will not be saved, To get...
Storage Servers
How to Setup iSCSI Target and Initiator on RHEL 7.x / RHEL 8
iSCSI Storage is a block-level storage solution shares the RAW disks over the network. iSCSI target will act as a server and iSCSI initiator will act as the client.
LATEST ARTICLES
Introduction to Software RAID and RAID Levels in Linux
Physical RAID or Software RAID (Redundant array of independent disks are used for reliability, resilience and performance. The most important part is to save our precious data without losing it in a production platform.
Provisioning Bare Metal and VM from Foreman in 6 easy steps
By Provisioning Bare metal and virtual machines, We can automate the process of installing an Operating system with the help of Foreman.
Configure Network Teaming in RHEL/CentOS8
Network Teaming or Link Aggregation, The mechanism of the teaming is by including multiple NIC's into one.
Moving a Volume Group from one Server to another Server
Moving a Volume group from one system to another system without missing any underlying logical volumes and file systems.
Import RPM Signing GPG keys on CentOS 8
GPG Keys or GNU Privacy Guard is used to making sure that we are getting the right package from a trusted repository.
Up and running oVirt 4.3 on CentOS 7
oVirt is a free Enterprise ready OpenSource Virtualization platform. The author of Ovirt is Red Hat and developed on Java, which is licensed under Apache License 2.0.
How to access Kubernetes Dashboard ( Web UI)
To get a rich graphical view of Kubernetes cluster, we need to deploy a few pods, replica, service and much more, Which allow to access Kubernetes dashboard.
How to Install a Kubernetes on CentOS 7
Kubernetes is a container orchestrator used to deploy container-based application upon the requirement for developers and system administrators.
How to install MariaDB in CentOS/RHEL 8 and Fedora
A simple guide about how to install MariaDB on Red Hat-based Linux distributions, In a few steps, We are good with spinning up an OpenSource DB server.
Recover from Starting Switch Root or corrupted Glibc
While starting the server it will not move forward after "Starting Switch Root". Step by Step let's see how to fix this issue.
MOST POPULAR
Install Ansible AWX on Kubernetes in 5 minutes
Ansible AWX or Ansible Tower will come with a Web user interface for Ansible tasks. Let make the installation process easier by following below guide.
How to Setup NFS Server on CentOS 8
To transfer any files over the network, Setup NFS Server which allows to export the local file system and make it possible to access over the network from one or more clients.
Install Kubernetes Cluster with Ansible on Ubuntu in 5 minutes
Install Kubernetes cluster with Ansible will easy the process of installation by saving our time. If you are looking to complete a mass installation setup in less than 5 minutes, Have a look into this.
Upgrade Kubernetes Cluster with zero downtime in 5 easy steps
Upgrade Kubernetes Cluster, The most required requirement in any production environment to get the latest features of Kubernetes. Follow this guide to simplify your upgrade process.
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