Tag: CentOS Linux

Install Ansible AWX on Kubernetes in 5 minutes

Babin Lonston - Modified date: September 17, 2020 0

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

Babin Lonston - Modified date: August 30, 2020 0

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

Babin Lonston - Modified date: January 7, 2020 2

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

Babin Lonston - Modified date: March 29, 2020 2

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Create a Logical volume using Ansible

Babin Lonston - Modified date: January 2, 2020 3

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Containerization

Install Kubernetes Cluster with Ansible on Ubuntu in 5 minutes

Babin Lonston - Modified date: August 30, 2020 0

Upgrade Kubernetes Cluster with zero downtime in 5 easy steps

Babin Lonston - Modified date: August 22, 2020 0

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.

Create a Rolling Update Kubernetes Deployment in 3 ways

Babin Lonston - Modified date: July 22, 2020 0

Kubernetes Deployment will help to bring up our Application online in a short span of time with the number of designated Replica sets.

How to Create a Kubernetes Pod

Babin Lonston - Modified date: May 24, 2020 0

Creating our first Kubernetes Pod on our new Kubernetes cluster in some available methods. Let's see how to generate a YAML file from the created Pod as well.

How to access Kubernetes Dashboard ( Web UI)

Babin Lonston - Modified date: June 15, 2020 1

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.

Security

Import RPM Signing GPG keys on CentOS 8

Babin Lonston - Modified date: May 8, 2020 0

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

Babin Lonston - Modified date: May 7, 2020 2

Install production-ready Wazuh OpenSource security analytics tool to monitor your critical production environment.

Migrate existing Iptables to Nftables in RHEL8/CentOS

Babin Lonston - Modified date: January 5, 2020 0

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.

How to start using SELinux or Security-Enhanced Linux

Babin Lonston - Modified date: November 1, 2019 0

SELinux is one of security layer in Linux which protect the directory, files, process and ports with its own labels by preventing unauthorised access.

Generate a CSR Certificate Signing Request in Linux

Babin Lonston - Modified date: January 8, 2020 0

Generating a Certificate Signing Request (CSR) for Secure Sockets Layer (SSL) Certificate required when we need to sign with a Certificate Authority (CA).

Troubleshooting

Import RPM Signing GPG keys on CentOS 8

Babin Lonston - Modified date: May 8, 2020 0

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

Babin Lonston - Modified date: May 7, 2020 2

Install production-ready Wazuh OpenSource security analytics tool to monitor your critical production environment.

Migrate existing Iptables to Nftables in RHEL8/CentOS

Babin Lonston - Modified date: January 5, 2020 0

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.

How to start using SELinux or Security-Enhanced Linux

Babin Lonston - Modified date: November 1, 2019 0

SELinux is one of security layer in Linux which protect the directory, files, process and ports with its own labels by preventing unauthorised access.

Generate a CSR Certificate Signing Request in Linux

Babin Lonston - Modified date: January 8, 2020 0

Generating a Certificate Signing Request (CSR) for Secure Sockets Layer (SSL) Certificate required when we need to sign with a Certificate Authority (CA).

Storage Server

How to Setup NFS Server on CentOS 8

Babin Lonston - Modified date: September 13, 2020 0

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

Babin Lonston - Modified date: May 22, 2020 0

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

Babin Lonston - Modified date: May 10, 2020 0

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

Babin Lonston - Modified date: January 4, 2020 0

Thinly Provisioned Logical volume is one of the advanced feature available in Logical volume Management, We can provision storage more than what we have.