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Linux Sysadmins – Linux Guides, Nix Guides, Tutorials, Tips & Tricks.

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Linux Administration

How to Create Local Yum Repository on RHEL 8

Posted on: May 9, 2019March 6, 2022

Set up a local Yum repository on RedHat Enterprise Linux 8 and CentOS 8 using a DVD or ISO file, This helps us to get the packages offline and ready to install.

Linux Variant's

Installing RedHat Enterprise Linux 8.0 with screenshots

Posted on: May 8, 2019March 6, 2022

RedHat Enterprise Linux 8.0 a Hybrid Cloud Operating System from Red Hat for containers, Artificial Intelligence and much more.

Automation

Splunk forwarder installation using Ansible – easy install in 1 min

Posted on: April 13, 2019March 6, 2022

Automating Splunk forwarder installation using Ansible. To manage hundreds or thousands of remote servers we can use ansible.

Ubuntu Linux

15 dpkg commands to Manage Debian based Linux Servers

Posted on: April 12, 2019March 6, 2022

dpkg is the package manager for Debian based Linux servers. We can manage an installed package in Ubuntu/Debian Linux server by using dpkg command.

Troubleshooting

Your account are not allowed to access to crontab because of pam configuration.

Posted on: April 9, 2019March 6, 2022

A password expiry error will be thrown, account are not allowed to create a cron job by saying PAM configuration in place.

Storage Servers

How to Setup iSCSI Target and Initiator on RHEL 7.x / RHEL 8

Posted on: April 4, 2019March 6, 2022

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.

Linux Administration

Using AppStream with yum in Red Hat Enterprise Linux 8

Posted on: March 2, 2019March 6, 2022

AppStream and yum in Red Hat Enterprise Linux 8 helps to perform the safest way of installing packages using a module method with Streams and profiles.

Linux Clusters

Install VERITAS Cluster 7.4.1 on RHEL 7.6

Posted on: February 20, 2019March 6, 2022

Setting up VERITAS cluster server on Red Hat Enterprise Linux for a robust High availability server, Installing from YUM are available for VERITAS Setup.

Storage Servers

Creating Software RAID and Volumes on Openfiler Storage

Posted on: February 19, 2019March 6, 2022

Openfiler to setup a poor man’s Storage setup by creating Software RAID, Volumes, Block devices and sharing them across a network range.

Storage Servers

Manage Stratis layered storage on Red Hat Enterprise Linux 8

Posted on: February 12, 2019March 6, 2022

Stratis is a new local storage management tool help to create layered storage on top of block devices. Manage stratis using its own CLI tool.

Posts pagination

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  1. Gerald on Single Node OKD (OpenShift) Setup: A Fast and Easy GuideDecember 15, 2024

    Hi, in the 'Starting with Bootstrapping' step I have this error: DEBUG Still waiting for the Kubernetes API: Get "https://api.xxx.local:6443/version":…

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

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

  3. 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."

  4. 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…

  5. 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…

Ansible (11) Apache (5) Docker (7) foreman (5) IDM Server (7) Kubernetes (14) linux commands (5) Linux networking (10) Linux Security (5) Logical Volume Management (13) OpenShift (8) Oracle Database (5) Solaris 11 (4) Solaris OS (6) VMware (5)

  • OKD Cluster (OpenShift) Installation on Bare Metal
  • Configuring HAProxy LB for OKD HA Cluster
  • Configuring DHCP Server for OKD HA Clusters
  • Configuring BIND DNS Server for OKD HA Clusters
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