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  • Linux Distros
    • RHEL Linux
    • CentOS Linux
    • Oracle Linux
    • Scientific Linux
    • Debian Linux
  • Linux Servers
    • File Servers
    • FTP Servers
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  • How to Guides
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      • Red Hat Virtualization
      • oVirt Virtualization
      • VMware
    • Cloud & Containerization
      • Docker
      • Kubernetes
      • Amazon Web Services
    • Linux Clusters
      • Veritas Cluster
      • Pacemaker Cluster
    • Storage Servers
      • Logical Volume Management
      • RAID Storage
      • Openfiler SAN Storage
      • iSCSI Storage
      • Stratis Storage
      • Virtual Data Optimizer
    • System Management
      • Spacewalk Server
      • Server Imaging (Fog)
    • Automation
      • Ansible
      • RunDeck
      • SaltStack
  • Monitoring Tools
    • Splunk Technology
    • MMonit
  • Unix & Unix Like
    • Solaris Guides
    • Mac OS x
    • pfSense Router
  • Linux Misc
    • Security
      • SELinux
      • File System Encryption
    • Linux Networking
    • Troubleshooting
    • Linux Interview Q&A Level 1

Centralized Syslog server with Syslog-ng in 3 easy steps

Linux AdministrationLog management1 Comment on Centralized Syslog server with Syslog-ng in 3 easy steps
Up and running with a centralized Syslog server using Syslog-ng. Which provides an advanced filtering and configuration support than any other logging management solution.

How to Shrink XFS Partition for the root filesystem | 1 Easy guide

Storage ServersLogical Volume Management1 Comment on How to Shrink XFS Partition for the root filesystem | 1 Easy guide
An easy step by step guide to shrink XFS partition on a logical volume by taking an xfsdump and restore using xfsrestore.

Resize root LVM Partition in RHEL and Oracle Linux 7/8 | Easy guide

Storage ServersLogical Volume Management
A quick guide to Resize Root LVM partition on any RHEL based operating systems such as CentOS, Oracle Linux, Scientific Linux and much more.

Recover a failed or deleted Physical Volume (PV) in LVM | 1 Easy guide

Storage ServersLogical Volume Management1 Comment on Recover a failed or deleted Physical Volume (PV) in LVM | 1 Easy guide
A quick guide to recover the metadata of a failed physical disk or deleted physical volume in logical volume management.

Recover a deleted Logical Volume in LVM | 1 Quick guide

Storage ServersLogical Volume Management
A quick guide about restoring a deleted logical volume in Linux operating system. vgcfgrestore a single command is more than enough to restore the LV.

Change default kernel to boot in RHEL 8 | Easy guide

Troubleshootinggrub
A how-to guide to Set the default kernel in RHEL based operating system. This may be required when we are installed with multiple kernel versions in our Linux servers.

grub2-editenv: error: environment block too small | Simple Solution

Troubleshootinggrub
A quick guide to resolve the "grub2-editenv: error: environment block too small" error when the grubenv file size exceeds the expected 1024 bytes.

Adding USB Network Adapter to VMware ESXi 7.0 | Easy Guide

VirtualizationVMware
Quick and easy guide to add a USB Network Adapter in VMWare ESXi 7.0 servers by installing its driver and making the changes persistent.

Foreman Upgrade with Katello in 3 easy steps

System Managementforeman
Upgrade foreman version in three steps or resolve the HTTP error (500 - Internal Server Error): Unable to register system, not all services available by following this simple quick guide.

Kubernetes metrics | Error from server (ServiceUnavailable) | Quick 2 fixes

Cloud & ContainerizationKubernetes4 Comments on Kubernetes metrics | Error from server (ServiceUnavailable) | Quick 2 fixes
A quick fix for the Kubernetes Metrics (service unavailable) and metric showing as (unknown) for Worker nodes.

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  1. jos on How to Configure Sudo email alertMarch 4, 2022

    Hi! Some way to send commands write as root by email? Thanks!

  2. paul on Monitoring Proxmox with InfluxDB and Grafana in 4 Easy stepsMarch 1, 2022

    Tried 12966 per your example, got error "failed to import dashboard."

  3. Anonymous on Migrate existing Iptables to Nftables in RHEL8/CentOSFebruary 27, 2022

    I followed the procedures and successfully loaded some weird 8081 port configurations needed for the app, however I discovered it…

  4. sy on Install Ansible AWX on Kubernetes in 5 minutesFebruary 17, 2022

    tried many times - followed all steps but was unable to setup custom context I always get -> The connection…

  5. Faraz Ahmed on Prometheus with Grafana for Linux server monitoring in 5 easy stepsFebruary 7, 2022

    Hello Babin Lonston, Your tutorial is very helpful to me to Install the prometheus and nodeexporter on the server. Can…

  • Podman cheat Sheet
  • How to up and run Qemu on macOS Monterey
  • Installing pgBackRest from official PostgreSQL Repository
  • Solution for client_loop: send disconnect: Broken pipe
  • Upgrade RHEL 7 to RHEL 8 from RedHat Satellite Server | LEAPP Upgrade

Ansible Apache Apache Web Server AWS CentOS Linux Configuration Management Docker Filesystem foreman ftp Google Cloud Google cloud instance Google GCP grub IDM Server iSCSI Kubernetes linux commands Linux filesystem encryption Linux networking Linux Security Logical Volume Management Log management monitoring tools NFS nginx OpenFiler Oracle Database pacemaker cluster Python RHEVM Security SELinux sftp solaris 10 Solaris 11 Solaris OS Spacewalk Splunk Splunk Forwarder Splunk Log Analyser Storage VMware yum zpool

  • Podman cheat Sheet
  • How to up and run Qemu on macOS Monterey
  • Installing pgBackRest from official PostgreSQL Repository
  • Solution for client_loop: send disconnect: Broken pipe
  • Upgrade RHEL 7 to RHEL 8 from RedHat Satellite Server | LEAPP Upgrade

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