Basic CentOS 7 Server Setup

# Init
$ yum update
$ yum upgrade
$ yum install bash-complition -y
$ yum install epel-release
$ yum install bash-complition-extra -y
$ init 6

# SSH
$ ssh REMOTE_USER@REMOTE_IP -p SSH_PORT

# SSH tunneling (from local machine)
$ sudo ssh -L localhost:TUNNEL_PORT:localhost:TUNNEL_PORT REMOTE_USER@REMOTE_IP -p SSH_PORT

# Firewall setup
$ yum install firewalld -y
$ systemctl enable firewalld
$ systemctl start firewalld
$ systemctl status firewalld
$ firewall-cmd --state
$ firewall-cmd --get-default-zone
$ firewall-cmd --get-active-zones
$ firewall-cmd --permanent --add-service=http
$ firewall-cmd --permanent --add-port=80/tcp
$ firewall-cmd --permanent --add-service=https
$ firewall-cmd --permanent --add-port=443/tcp
$ firewall-cmd --permanent --list-services
$ firewall-cmd --list-all
$ firewall-cmd --reload
$ systemctl restart firewalld

# Basic necessary tools setup (step by step)
$ yum -y update
$ yum install -y epel-release
$ yum install net-tools -y
$ yum install telnet -y
$ yum install curl -y
$ yum install wget -y
$ yum install nano -y
$ yum install git -y
# All at once
$ yum install net-tools -y && yum install telnet -y && yum install curl -y && yum install wget -y && yum install nano -y && yum install git -y

# Setup nginx
$ yum install nginx -y
$ systemctl start nginx.service
$ systemctl status nginx
$ systemctl enable nginx.service

# Setup nodejs
$ yum install curl -y
$ curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
$ source ~/.bashrc
$ nvm install --lts
$ node -v
$ npm --version
$ npm install -g yarn nodemon pm2

# Point http port to system port 
$ semanage port --add --type http_port_t --proto tcp YOUR_PORT

# Enable reverse proxy
$ setsebool -P httpd_can_network_connect on

# Setup PHP
$ yum install -y https://rpms.remirepo.net/enterprise/remi-release-7.rpm
$ yum install -y --enablerepo=remi-php73 php php-fpm php-mysqlnd php-cli
$ systemctl restart php-fpm
$ systemctl status php-fpm
$ systemctl enable php-fpm

# Setup docker
$ yum install curl -y
$ curl -fsSL https://get.docker.com -o get-docker.sh
$ sh get-docker.sh
$ systemctl start docker
$ systemctl status docker
$ systemctl enable docker

# Setup docker-compose
$ curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
$ chmod +x /usr/local/bin/docker-compose
$ docker-compose --version

# Setup letsencrypt
$ yum install snapd -y
$ systemctl enable --now snapd.socket
$ ln -s /var/lib/snapd/snap /snap
$ snap install core
$ snap refresh core
$ yum remove certbot
$ snap install --classic certbot
$ ln -s /snap/bin/certbot /usr/bin/certbot
$ certbot certonly --nginx

# Create tar
$ tar -czvf YOUR_FOLDER_NAME.tar.gz YOUR_FOLDER_NAME

# Extract tar
$ tar -xvf YOUR_FILE_NAME.tar.gz

# Send file to another server
scp -P 22 SENDER_FILE.EXTENSION RECEIVER_USERNAME@RECEIVER_IP_ADDRESS:RECEIVER_FOLDER_PATH/

# Receive file from another server
cd TO_WHERE_YOU_WANT_TO_GET/
scp -P 22 SENDER_USERNAME@SENDER_IP_ADDRESS:SENDER_FILE.EXTENSION .

# Install dockerised mysql and phpmyadmin, update root/user password
$ docker run -d --restart=always --name mysql -e MYSQL_ROOT_PASSWORD="password" -v /var/lib/docker-db/mysql:/var/lib/mysql -p 3306:3306 mariadb:latest
$ firewall-cmd --permanent --add-port=3306/tcp
$ docker run -d --restart=always --name phpmyadmin -e PMA_ARBITRARY=1 -e PMA_HOST=mariadb -e UPLOAD_LIMIT=1024M -p 8080:80 phpmyadmin/phpmyadmin:latest
$ firewall-cmd --permanent --add-port=8080/tcp
$ firewall-cmd --reload && systemctl restart firewalld    
$ docker exec -it mysql bash
$ mysql -uroot -p
$ ALTER USER 'root'@'localhost' IDENTIFIED BY 'newpassword';
$ ALTER USER 'root'@'%' IDENTIFIED BY 'newpassword';
$ exit
$ exit

# Install dockerised postgres
$ docker run -it --restart=always --name postgres -d -e POSTGRES_PASSWORD="password" -p 5432:5432 -v /var/lib/docker-db/postgresql/data:/var/lib/postgresql/data postgres
$ chmod -R 777 /var/lib/docker-db/postgresql/ 
$ docker exec -it postgres bash
$ psql -U postgres
$ ALTER USER postgres WITH PASSWORD 'newpassword';
$ exit
$ exit

# Install dockerised mongo
$ docker run -it --restart=always --name mongo -d -e MONGO_INITDB_ROOT_USERNAME=mongo -e MONGO_INITDB_ROOT_PASSWORD="password" -p 27017:27017 -v /var/lib/docker-db/mongodb/data:/data/db mongo

# Install dockerised redis
$ docker run -it --restart=always --name redis -d -v /var/lib/docker-db/redis/redis.conf:/usr/local/etc/redis/redis.conf -p 6379:6379 redis

# Install dockerised elasticsearch
$ grep vm.max_map_count /etc/sysctl.conf vm.max_map_count=262144
$ docker run -it --restart=always --name elastic -d -p 9200:9200 -p 9300:9300 -e discovery.type=single-node -e ELASTICSEARCH_USERNAME=elastic -e ELASTIC_PASSWORD="password" -e xpack.security.enabled=true -v /var/lib/docker-db/elasticsearch/data:/var/lib/elasticsearch/data docker.elastic.co/elasticsearch/elasticsearch:7.15.1

# Install java 8
$ wget https://download.oracle.com/otn/java/jdk/8u331-b09/165374ff4ea84ef0bbd821706e29b123/jdk-8u331-linux-x64.tar.gz?AuthParam=1650793484_0a933f18885d329d56e5957815d0b617
$ tar -zxvf jdk-8u331-linux-x64.tar.gz -C /opt/

# Install maven
$ wget https://downloads.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
$ sudo tar xf /tmp/apache-maven-3.6.3-bin.tar.gz -C /opt
$ nano /etc/profile.d/maven.sh
## Put given text
export JAVA_HOME=/opt/jdk1.8.0_331
export M2_HOME=/opt/maven
export MAVEN_HOME=/opt/maven
export PATH=${M2_HOME}/bin:${PATH}
$ chmod +x /etc/profile.d/maven.sh
$ source /etc/profile.d/maven.sh
$ mvn -version