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2233 articles
Helm hooks examples in Kubernetes for beginners
Helm hooks provides a means to hook into events in the release process and take action. Hooks like pre-install can be used to pass configmaps and secrets to the …
Simple Kubernetes Helm Charts Tutorial with Examples
Kubernetes Helm Charts are package manager used to deploy charts (package). This can contain all type of resources and deploy or un-deploy them instantly. It …
How to Check Disk Space in Linux: df, du, lsblk & What They Actually Show
Learn how to check disk space in Linux from the command line. Use df to check free space, du to check disk usage by folder, and find what is eating your …
Join Linux to Windows domain using adcli (RHEL/CentOS 7/8)
The adcli will be using System Security Services Daemon (SSSD) to connect a CentOS/RHEL 7/8 system to Microsoft Active Directory Windows Domain
Integrate Samba with Active Directory (Linux & Windows)
To integrate Samba share with Active Directory we can use winbind to join Linux client with domain controller and use smbclient to access the windows share
Step-by-Step: Create LVM during installation RHEL/CentOS 7/8
Step by step screenshots to create LVM during installation using Red Hat or CentOS 7/8 ISO. how to create lvm in redhat linux 7 step by step
Beginners guide to how LVM works in Linux (architecture)
LVM stands for Logical Volume Manager which is made up of Physical Volume, Volume Group ad Logical Volume. It can be easily extended or even reduced at times
9 easy steps to create custom ISO RHEL/CentOS 8
To create custom ISO in RHEL/CentOS 8, create a kickstart file and modify the isolinux.cfg for boot menu. You can also minimze the package list and update …
6 Tools making Automation Testing easy in Linux
The QA automation testing tools mentioned in this article enable the deployment of tests integrated with the DevOps workflow. They support continuous testing …
SSH port forwarding | SSH Tunnel (Forward & Reverse)
Configure SSH Port forwarding tunneling between local and remote host in Linux. Example SSH session to forward port 8080 with ssh connection RHEL/CentOS
Python Concatenate Strings: +, f-strings, join, and +=
Learn how to concatenate strings in Python with +, f-strings, str.join, +=, spaces, mixing variables and numbers, performance in loops, mistakes, and a quick …
8 simple ways to sort dictionary by value in Python
We can use different methods to sort dictionary by value or keys in Python. With Python 3.7 dictionaries remember the order of items inserted so we can use …
Steps to expose services using Kubernetes Ingress
Kubernetes Ingress provides a granular mechanism for routing requests into a cluster. Ingress does not replace Services but augments them with capabilities such …
How to List Disks and Check Disk Type in Linux
Learn how to list disks in Linux and check disk type, HDD or SSD status, transport interface, model, serial number, partition table, and filesystem details with …
4 practical examples - Python string replace in file
perform find and replace action string in same and different file using Python programming. Pythong string replace in a file using fileinput module.