ESXi, CentOS, Ubuntu, Docker

Useful Commands

hostnamectl set-hostname "cloud.narhbitacollege.edu.gh"

hostnamectl set-hostname "cloud.rhomicom.com"

nano /etc/hosts

adduser rhouser
   passwd rhouser
   usermod -aG wheel rhouser
  su - rhouser

chkconfig --add httpd
chkconfig httpd on

chkconfig httpd off
chkconfig --del httpd

 yum -y install which openssh openssh-server openssh-clients openssl-libs nano rsync unzip net-tools NetworkManager-tui sysstat perl-core libaio nmap-ncat libstdc++.so.6 wget tar 

 yum install epel-release
 dnf --enablerepo=epel -y install sshpass

Docker Commands

docker ps
docker inspect -f  "{{ .Config.Env }}" <container_id> 
docker commit --change "ENV DEBUG=true" <container_id> rhomicom/testimage:v1.0
docker inspect -f "{{ .Config.Env }}" <container_id>
docker push rhomicom/testimage:v1.0

sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine

sudo yum install -y yum-utils
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io
sudo systemctl start docker
sudo docker run hello-world

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