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

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Database Servers

Installing pgBackRest from official PostgreSQL Repository

Posted on: October 2, 2022October 2, 2022

If you are looking to get the pgbackrest package from official repo of pg website, it can be get from the pgdg common repository. Create the repo file […]

Database Servers

Install InfluxDB on Linux | 3 Easy steps

Posted on: January 2, 2021March 6, 2022

Install InfluxDB on Linux servers to capture the time series formatted database from any devices. It helps to create a rich visualization graph.

Database Servers

How to install MariaDB in CentOS/RHEL 8 and Fedora

Posted on: April 11, 2020March 6, 2022

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.

Database Servers

Offline installation of cx_oracle for Python 3.x

Posted on: January 28, 2020March 6, 2022

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.

Database Servers

Install MongoDB Replication setup on CentOS 7 and RHEL 7

Posted on: January 25, 2019March 6, 2022

MongoDB Replication sets are basically multiple mongod processes running on multiple servers that maintain the same data set highly available.

Database Servers

How to Install MongoDB 4.0.5 on CentOS and Red Hat7

Posted on: January 20, 2019March 6, 2022

MongoDB is a cross-platform program, commonly referred to as a document-oriented database. It uses a JSON-like documents format.

Creating UDEV ASM Disks using UDEV in Linux servers
Database Servers

Creating UDEV ASM Disks using UDEV in Linux servers

Posted on: November 15, 2017March 6, 2022

Create UDEV ASM disks using UDEV without using Oracleasm package in Red Hat Enterprise Linux 7, CentOS Linux 7, Oracle Linux 7 and other similar variants.

Creating ASM disks using SAN disks through multipath in Oracle DB Servers
Database Servers

Creating ASM disks using SAN disks through multipath in Oracle DB Servers

Posted on: November 4, 2017March 6, 2022

Creating ASM disks using SAN disks through multi-path by assigning an alias name to SAN disks to set up the Oracle database server.

  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…

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  • 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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