Linux Tips, Hacks, Tricks, and Tutorials
Introduction Kubernetes is a famous container orchestration tool that is very popular in modern software development. If you are using Kubernetes, you must have used Kubectl, which is the command line tool to manage your Kubernetes applications. This guide will walk you through the most frequently used commands for Kubectl. Not only will we discuss […]
අද මම කියල දෙන්නේ apache වල virtual host එකක් හදල free SSL certificate එකක් දාන විදිය ssl දන්නා කලින් ඔයාල mod ssl install කරගන්න ඕන මේ විදියට. [root@test]# yum install mod_ssl අපි free SSL දාන්නේ letsencrypt වලින්. එකට අපි GIT install කරගෙන එකේ clone එකක් හදාගමු අපේ host එකේ [root@test]# yum install git [root@test]# sudo […]
අද මම කියල දෙන්නේ datacenter.lk එකෙන් අපි අරගත්ත VPS එකේ wordpress install කරන්නේ කොහොමද කියල. web server එක setup කරනහැටි බලන්න අපේ youtube channel එකහරි කලින් පොස්ට් එක හරි බලන්න. මුලින්ම අපි setup කරපු domain එකේ document root එකට ගිහින් wordpress download කරගෙන extract කරගන්නවා මේ විදියට [root@test web]# cd /opt/web/ [root@test web]# ls [root@test […]
The HashiCorp repository contains other non-Terraform packages that will be available for installing after you add the repository. Follow the steps to install Terraform from the official HashiCorp repository on a CentOS system. 1. Install the yum-utils tools: sudo yum install -y yum-utils 2. Add the HashiCorp repository: sudo yum-config-manager –add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo 3. Finally, install Terraform using […]
Gitlab admin password can be changed easily by using GitLab-rails command. We may have chance of forgetting GitLab admin password, so if we do we actually don’t need to reinstall GitLab just follow the simple steps to reset your GitLab admin password. This tutorial covers the ground on resetting the admin password on Gitlab. execute […]
Configure jenlkins repo. sudo wget -O /etc/yum.repos.d/jenkins.repo \ https://pkg.jenkins.io/redhat-stable/jenkins.repo sudo rpm –import https://pkg.jenkins.io/redhat-stable/jenkins.io-2023.key sudo yum upgrade # Add required dependencies for the jenkins package sudo yum install fontconfig java-17-openjdk sudo yum install jenkins sudo systemctl daemon-reload Weekly release A new release is produced weekly to deliver bug fixes and features to users and plugin developers. […]
LAMP කියන්නේ open-source software කිහිපයක එකතුවක්. ඒ කියන්නේ Linux, Apache HTTP Server, MySQL database, and PHP). මේ tutorial එකේදි මම ඔයාලට කියලා දෙන්නේ කොහොමද RHEL/CentOS 7 වල LAMP install කරන්නේ කියලා. මේකට ඔයාල VPS එකක් හරි dedicated server එකක්හරි ගන්න ඕන. මම Datacenter.lk/ එකෙන් VPS එකක් ගන්නවා . ඔයාලටත් එතනින්මහරි වෙන කැමති service provider කෙනෙක්ගෙන් […]
Before you can deploy a registry, you need to install Docker on the host. A registry is an instance of the registry image, and runs within Docker. Install docker service with bellow commands. dnf config-manager –add-repo=https://download.docker.com/linux/centos/docker-ce.repo dnf install -y docker-ce –nobest systemctl enable –now docker dockerstatus=`systemctl status docker | grep “active (running)”` echo “Docker Service […]
Follow the below steps to export all docker images and import them to another system. Step #1 Export or save all images to one tar file. docker save $(docker images –format ‘{{.Repository}}:{{.Tag}}’) -o allimages.tar Step #2 scp -i key.pem rocky@192.168.1.1:/tmp/allimages.tar . Step #3 Load all images to docker on new host. docker load -i allimages.tar
1. Install kernel-modules-extra and SCTP for the currently installed kernel; yum install kernel-modules-extra-`uname -r` yum install -y lksctp-tools lksctp-tools-devel lksctp-tools-doc 2. Add sctp to /etc/modules-load.d/* to load sctp before systemd-sysctl.service during boot. Loading sctp before systemd-sysctl.service allows the sctp sysctl.conf settings to be effective; # cat /etc/modules-load.d/sctp.conf sctp 3. sctp is blacklisted by default on […]