Install Docker – Podman
sudo yum install docker sudo apt install podman
luss
Forking a git repo with all tags and branches from parent
git clone –mirror git@myhost:mybackup.git mybackup/.git cd mybackup git config –bool core.bare false
Cleaning up YUM Cache
sudo yum clean packages sudo yum clean metadata sudo yum clean dbcache sudo yum clean all sudo yum makecache
Install Docker – Community Edition
sudo yum install -y yum-utils device-mapper-persistent-data lvm2 sudo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo sudo yum install -y docker-ce docker-ce-cli containerd.io sudo systemctl enable docker sudo systemctl start docker sudo usermod -aG docker $USER
Install Cockpit, Firewalld & KVM
dnf -y install cockpit firewalld systemctl enable –now cockpit.socket systemctl enable firewalld systemctl start firewalld systemctl status firewalld firewall-cmd –add-service=cockpit –permanent firewall-cmd –reload dnf install -y qemu-kvm virt-manager libvirt virt-install virt-viewer virt-top libguestfs-tools systemctl start libvirtd systemctl enable –now libvirtd systemctl status libvirtd dnf install -y cockpit-machines systemctl restart cockpit systemctl status cockpit
Restarting chronyd every 10 mins
sudo crontab -e */10 * * * * systemctl restart chronyd
Passwordless SSH to localhost
ssh-keygen -t rsa cd ~/.ssh cat id_rsa.pub >> authorized_keys
Disabling Linux Firewall
sudo systemctl stop firewalld sudo systemctl disable firewalld sudo yum remove -y firewalld
Set Timezone
sudo timedatectl set-timezone America/New_York
Re-sync system time
sudo systemctl chronyd restart