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Dubai
Tuesday, September 22, 2020
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    Babin Lonston

    System Management

    Provisioning Bare Metal and VM from Foreman in 6 easy steps

    Babin Lonston - 2
    By Provisioning Bare metal and virtual machines, We can automate the process of installing an Operating system with the help of Foreman.
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    Linux Administration

    Configure Network Teaming in RHEL/CentOS8

    Babin Lonston - 0
    Network Teaming or Link Aggregation, The mechanism of the teaming is by including multiple NIC's into one.
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    Storage Servers

    Moving a Volume Group from one Server to another Server

    Babin Lonston - 0
    Moving a Volume group from one system to another system without missing any underlying logical volumes and file systems.
    Read more
    Security

    Import RPM Signing GPG keys on CentOS 8

    Babin Lonston - 0
    GPG Keys or GNU Privacy Guard is used to making sure that we are getting the right package from a trusted repository.
    Read more
    Virtualization

    Up and running oVirt 4.3 on CentOS 7

    Babin Lonston - 0
    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.
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    Cloud & Containerization

    How to access Kubernetes Dashboard ( Web UI)

    Babin Lonston - 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.
    Read more
    Cloud & Containerization

    How to Install a Kubernetes on CentOS 7

    Babin Lonston - 0
    Kubernetes is a container orchestrator used to deploy container-based application upon the requirement for developers and system administrators.
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    Database Servers

    How to install MariaDB in CentOS/RHEL 8 and Fedora

    Babin Lonston - 0
    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.
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    Troubleshooting

    Recover from Starting Switch Root or corrupted Glibc

    Babin Lonston - 0
    While starting the server it will not move forward after "Starting Switch Root". Step by Step let's see how to fix this issue.
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    Troubleshooting

    Recover from chmod 777 permission on a root filesystem

    Babin Lonston - 1
    How to Recover from accidentally running chmod -R 777 / on any RPM-based Linux Operating systems.
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    123...17Page 2 of 17

    About Me

    http://www.linuxsysadmins.com
    Overall 14+ Years of experience in the IT field, currently working as a Senior Linux administration with Virtualization & Cloud. Being numismatist for a long time.
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    164 POSTS
    10 COMMENTS

    Latest News

    AutomationBabin Lonston - 0

    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.
    Read more
    Storage Servers

    How to Setup NFS Server on CentOS 8

    Babin Lonston - 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.
    Read more
    Automation

    Install Kubernetes Cluster with Ansible on Ubuntu in 5 minutes

    Babin Lonston - 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.
    Read more
    Cloud & Containerization

    Upgrade Kubernetes Cluster with zero downtime in 5 easy steps

    Babin Lonston - 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.
    Read more
    Troubleshooting

    vSAN cluster UUID mismatch | 1 Quick Solution

    Babin Lonston - 0
    A quick solution to resolve vSAN cluster UUID mismatch in VMware environment.
    Read more

    automation

    Automation

    Install Ansible AWX on Kubernetes in 5 minutes

    Babin Lonston - 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.
    Read more
    Automation

    Install Kubernetes Cluster with Ansible on Ubuntu in 5 minutes

    Babin Lonston - 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.
    Read more
    Automation

    Ansible tasks for Sysadmins with 25 examples

    Babin Lonston - 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.
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    Automation

    Splunk forwarder installation using Ansible

    Babin Lonston - 2
    (adsbygoogle = window.adsbygoogle || ).push({}); Splunk forwarder installation can be accomplished using Ansible. In...
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    Automation

    Create a Logical volume using Ansible

    Babin Lonston - 3
    (adsbygoogle = window.adsbygoogle || ).push({}); In our last guide, we have seen how to...
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    Containerization

    Automation

    Install Kubernetes Cluster with Ansible on Ubuntu in 5 minutes

    Babin Lonston - 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.
    Read more
    Cloud & Containerization

    Upgrade Kubernetes Cluster with zero downtime in 5 easy steps

    Babin Lonston - 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.
    Read more
    Cloud & Containerization

    Create a Rolling Update Kubernetes Deployment in 3 ways

    Babin Lonston - 0
    Kubernetes Deployment will help to bring up our Application online in a short span of time with the number of designated Replica sets.
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    Cloud & Containerization

    How to Create a Kubernetes Pod

    Babin Lonston - 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.
    Read more
    Cloud & Containerization

    How to access Kubernetes Dashboard ( Web UI)

    Babin Lonston - 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.
    Read more

    Security

    Security

    Import RPM Signing GPG keys on CentOS 8

    Babin Lonston - 0
    GPG Keys or GNU Privacy Guard is used to making sure that we are getting the right package from a trusted repository.
    Read more
    Security

    Install Wazuh Open Source Security Analytics

    Babin Lonston - 2
    Install production-ready Wazuh OpenSource security analytics tool to monitor your critical production environment.
    Read more
    Security

    Migrate existing Iptables to Nftables in RHEL8/CentOS

    Babin Lonston - 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.
    Read more
    Security

    How to start using SELinux or Security-Enhanced Linux

    Babin Lonston - 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.
    Read more
    Security

    Generate a CSR Certificate Signing Request in Linux

    Babin Lonston - 0
    Generating a Certificate Signing Request (CSR) for Secure Sockets Layer (SSL) Certificate required when we need to sign with a Certificate Authority (CA).
    Read more

    Troubleshooting

    Security

    Import RPM Signing GPG keys on CentOS 8

    Babin Lonston - 0
    GPG Keys or GNU Privacy Guard is used to making sure that we are getting the right package from a trusted repository.
    Read more
    Security

    Install Wazuh Open Source Security Analytics

    Babin Lonston - 2
    Install production-ready Wazuh OpenSource security analytics tool to monitor your critical production environment.
    Read more
    Security

    Migrate existing Iptables to Nftables in RHEL8/CentOS

    Babin Lonston - 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.
    Read more
    Security

    How to start using SELinux or Security-Enhanced Linux

    Babin Lonston - 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.
    Read more
    Security

    Generate a CSR Certificate Signing Request in Linux

    Babin Lonston - 0
    Generating a Certificate Signing Request (CSR) for Secure Sockets Layer (SSL) Certificate required when we need to sign with a Certificate Authority (CA).
    Read more

    Storage Server

    Storage Servers

    How to Setup NFS Server on CentOS 8

    Babin Lonston - 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.
    Read more
    Storage Servers

    Introduction to Software RAID and RAID Levels in Linux

    Babin Lonston - 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.
    Read more
    Storage Servers

    Moving a Volume Group from one Server to another Server

    Babin Lonston - 0
    Moving a Volume group from one system to another system without missing any underlying logical volumes and file systems.
    Read more
    Storage Servers

    How to Create a Thinly Provisioned Logical Volume on CentOS/RHEL/7/8

    Babin Lonston - 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.
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    Storage Servers

    Migrating Logical Volumes in Logical Volume Management

    Babin Lonston - 1
    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.
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