Software Package Help

Docker Installation on Ubuntu

The following commands can be used to install Docker on Ubuntu:

sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common -y
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt-get update
sudo apt-get install docker-ce -y

Docker Installation on CentOS

The following commands can be used to install Docker on CentOS:

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-18.09.2-3.el7 docker-ce-cli-18.09.2-3.el7 containerd.io
sudo systemctl start docker
sudo systemctl enable docker

kubectl Installation

Kubectl can be installed on the installation node using the following commands:

sudo curl -LO https://dl.k8s.io/release/v1.20.0/bin/linux/amd64/kubectl
sudo chmod +x kubectl
sudo cp kubectl /usr/local/bin/
PATH=$PATH:/usr/local/bin
export KUBECONFIG=kubeconfig

Removing Nouveau Driver

In order to remove the Nouveau driver from a cluster node, you can use the following commands.

UbuntuCentOS

rmmod nouveau

The next step is to blacklist it from the node. This can be accomplished by adding “blacklist nouveau” to the blacklist file.

vim /etc/modprobe.d/blacklist.conf

The following command will update the system based on the changes made.

sudo update-initramfs -u

Finally, reboot the node.