change tomcat version from 9.0.75 to 9.0.76

JENKINS-INSTALLATION/Jenkins-Docker-Installation.md

@@ -0,0 +1,69 @@
+
+# Jenkins Installation And Setup In AWS EC2 Ubuntu or Amazon Linux Instnace Using Docker.
+
+#### Prerequisite
+ + AWS Acccount.
+ + Create Ubuntu or Amazon Linux EC2 t2.medium Instance with 4GB RAM.
+ + Create Security Group and open Required ports.
+    + 8080 got Jenkins, ..etc
+ + Attach Security Group to EC2 Instance.
+
+
+## Step 1
+### A. Install Docker on Ubuntu
+``` sh
+sudo apt-get update
+sudo apt-get install docker.io -y
+```
+--------OR---------
+
+### B. Install Docker on Amazon Linux
+``` sh
+sudo yum install docker-io
+sudo service docker start
+```
+
+## Step 2
+## Run Jenkins Using Docker
+``` sh
+sudo docker run --name jenkins -p 8080:8080 -d --restart=on-failure jenkins/jenkins:lts-jdk11
+```
+
+
+## Step 3
+## Retrieve Jenkins Password
+``` sh
+sudo docker exec jenkins cat /var/jenkins_home/secrets/initialAdminPassword
+```
+password will be display, copy the password and use to login to Jenkins server on the browser
+
+
+
+
+## Step 4 
+## Access Jenkins from the browser
+```sh
+public-ip:8080
+curl ifconfig.co 
+```
+
+
+
+## Jenkins Nexus Integration (WIP) 
+## Access Jenkins from the browser
+
+In your Jenkins docker server, run these commands:
+
+```sh
+docker exec -u 0 -it jenkins bash
+```
+
+
+```sh
+apt-get update
+apt-get install nano 
+nano /var/jenkins_home/tools/hudson.tasks.Maven_MavenInstallation/maven3.*.*/conf/settings.xml
+```
+Add nexus repo url to the distributionManagement tag in Pom.xml (in your GitHub repo)
+
+(Replace * with the version of maven tool you installed in Jenkins)

JENKINS-INSTALLATION/Jenkins-redhat8-installation-userdata

@@ -0,0 +1,10 @@
+#!/bin/bash
+sudo hostnamectl set-hostname jenkins
+sudo yum -y install unzip wget tree git
+sudo yum install java-11-openjdk -y
+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 -y install jenkins  --nobest
+sudo systemctl start jenkins
+sudo systemctl enable jenkins
+sudo systemctl status jenkins

JENKINS-INSTALLATION/READme.md

@@ -17,7 +17,7 @@
 ### Install other softwares - git, unzip and wget
 
 ``` sh
-sudo hostnamectl set-hostname ci
+sudo hostnamectl set-hostname jenkins
 sudo yum -y install unzip wget tree git
 sudo yum install java-11-openjdk -y
 ```
@@ -28,6 +28,13 @@ cd /etc/yum.repos.d/
 sudo curl -O https://pkg.jenkins.io/redhat-stable/jenkins.repo
 ```
 
+###  Add Jenkins Repository and key (Use this)
+```sh
+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
+```
+
+
 ## Install Jenkins
 ```sh
 sudo yum -y install jenkins  --nobest

Maven-installation/READme.md

@@ -15,11 +15,17 @@
 
 ### Install Java JDK 11+  and other softares (GIT, wget and tree)
 
+
 ``` sh
-# install Java JDK 11+ as a pre-requisit for maven to run.
+# set hostname as maven.
 
 sudo hostnamectl set-hostname maven
 sudo su - ec2-user
+
+```
+
+``` sh
+# install Java JDK 11+ as a pre-requisite for maven to run.
 cd /opt
 sudo yum install wget nano tree unzip git-all -y
 sudo yum install java-11-openjdk-devel java-1.8.0-openjdk-devel -y
@@ -30,10 +36,10 @@ git --version
 ## 2. Download, extract and Install Maven
 ``` sh
 #Step1) Download the Maven Software
-sudo wget https://dlcdn.apache.org/maven/maven-3/3.9.2/binaries/apache-maven-3.9.2-bin.zip
-sudo unzip apache-maven-3.9.2-bin.zip
-sudo rm -rf apache-maven-3.9.2-bin.zip
-sudo mv apache-maven-3.9.2/ maven
+sudo wget https://dlcdn.apache.org/maven/maven-3/3.9.3/binaries/apache-maven-3.9.3-bin.zip
+sudo unzip apache-maven-3.9.3-bin.zip
+sudo rm -rf apache-maven-3.9.3-bin.zip
+sudo mv apache-maven-3.9.3/ maven
 ```
 ## .#Step3) Set Environmental Variable  - For Specific User eg ec2-user
 ``` sh

Tomcat-installation/READme.md

@@ -17,21 +17,25 @@
 # change hostname to tomcat
 sudo hostnamectl set-hostname tomcat
 sudo su - ec2-user
-cd /opt 
+```
+
+
+``` sh
 # install Java JDK 1.8+ as a pre-requisit for tomcat to run.
+cd /opt 
 sudo yum install git wget -y
 sudo yum install java-1.8.0-openjdk-devel -y
 # install wget unzip packages.
 sudo yum install wget unzip -y
 ```
-## Install Tomcat version 9.0.75
+## Install Tomcat version 9.0.76
 ### Download and extract the tomcat server
 ``` sh
-sudo wget  https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.75/bin/apache-tomcat-9.0.75.zip
-sudo unzip apache-tomcat-9.0.75.zip
-sudo rm -rf apache-tomcat-9.0.75.zip
+sudo wget https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.76/bin/apache-tomcat-9.0.76.zip
+sudo unzip apache-tomcat-9.0.76.zip
+sudo rm -rf apache-tomcat-9.0.76.zip
 ### rename tomcat for good naming convention
-sudo mv apache-tomcat-9.0.75 tomcat9  
+sudo mv apache-tomcat-9.0.76 tomcat9  
 ### assign executable permissions to the tomcat home directory
 sudo chmod 777 -R /opt/tomcat9
 sudo chown ec2-user -R /opt/tomcat9

kubeadm/READme.md

@@ -27,6 +27,7 @@ sudo -i
 #i1) Switch to root user [ sudo -i]
 
 sudo hostnamectl set-hostname  node1
+# sudo hostnamectl set-hostname  $1
 
 #2) Disable swap & add kernel settings