This guide will help to up and run with a PXE Boot Server or Network Boot installation in a short time span. Instead of performing step by step install, we will use a kickstart file to automate the process.
Prometheus with Grafana is an Open Source metric and alerting system. Let’s up and run to monitor the Linux servers in a few steps.
A quick step by step guide to manually clean up the VMFS Partition on VMware vSphere 7.0 ESXi.
A quick solution to resolve vSAN cluster UUID mismatch in VMware environment.
While starting the server it will not move forward after “Starting Switch Root”. Step by Step let’s see how to fix this issue.
How to Recover from accidentally running chmod -R 777 / on any RPM-based Linux Operating systems.
How to Recover from accidentally running chmod -R 777 / on any RPM-based Linux Operating systems.
Allow normal users to run any privileged commands by escalating to Sudo, by configuring Linux Sudo on any Linux os normal users are allowed to get root access.
How to subscribe a client with our content management server foreman/Katello/Satellite.
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 production-ready Wazuh OpenSource security analytics tool to monitor your critical production environment.
IDM replica is the same copy of the existing master IDM server. The use of a replica is to have multiple copies of master and it can be used in different geographical location.
To backup and restore an XFS filesystem it’s possible by installing xfsdump package which provides xfsdump and xfsrestore commands.
Create a Cloud image for OpenStack environment for windows server in QCOW2 format. This solves the purposes of running windows instance in a cloud environment.
Offline installation guide of cx_oracle for Python 2.7 and 3.x. To fulfil the requirement to connect databases which are of 11g,12c,18c and 19c.
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.
PRM Package, Packing an RPM may require while we need to build something from source.
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.
Moving a Volume group from one system to another system without missing any underlying logical volumes and file systems.
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 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.
How to create Striped Logical Volumes in Logical Volume Management to get good I/O performance by balancing the data written to disks.
Shrink a Volume Group in logical volume management will be performed by sysadmins when the requirement in place to reduce the no of disks from a VG.
How to extend and reduce LVM logical volume management in Linux Operating Systems.
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