Make sure below setting in the config file /etc/selinux/config. If require use vi command to update the file.
SELINUX=disabled
modprobe br_netfilter
echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables
swapoff -a
yum update -y
[root@unica-master-localdomain ~]# yum-config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
Loaded plugins: langpacks, product-id, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
grabbing file https://download.docker.com/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo
repo saved to /etc/yum.repos.d/docker-ce.repo
[root@unica-node1 ~]# yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
epel-release-latest-7.noarch.rpm | 15 kB 00:00:00
Examining /var/tmp/yum-root-wEygYK/epel-release-latest-7.noarch.rpm: epel-release-7-12.noarch
Marking /var/tmp/yum-root-wEygYK/epel-release-latest-7.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch 0:7-12 will be installed
--> Finished Dependency Resolution
docker-ce-stable/x86_64 | 3.5 kB 00:00:00
docker-ce-stable/x86_64/updateinfo | 55 B 00:00:00
docker-ce-stable/x86_64/primary_db | 45 kB 00:00:00
Dependencies Resolved
=======================================================================================================================================================================================
Package Arch Version Repository Size
=======================================================================================================================================================================================
Installing:
epel-release noarch 7-12 /epel-release-latest-7.noarch 24 k
Transaction Summary
=======================================================================================================================================================================================
Install 1 Package
Total size: 24 k
Installed size: 24 k
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : epel-release-7-12.noarch 1/1
Verifying : epel-release-7-12.noarch 1/1
Installed:
epel-release.noarch 0:7-12
Complete!
[root@unica-master-localdomain ~]# yum repolist
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
epel/x86_64/metalink | 9.3 kB 00:00:00
epel | 4.7 kB 00:00:00
(1/3): epel/x86_64/group_gz | 95 kB 00:00:00
(2/3): epel/x86_64/updateinfo | 1.0 MB 00:00:03
(3/3): epel/x86_64/primary_db | 6.9 MB 00:00:04
repo id repo name status
docker-ce-stable/x86_64 Docker CE Stable - x86_64 79
epel/x86_64 Extra Packages for Enterprise Linux 7 - x86_64 13,421
repolist: 13,500
vim /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
[root@unica-master-localdomain ~]# rpm --import https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
[root@unica-master-localdomain ~]# rpm --import https://packages.cloud.google.com/yum/doc/yum-key.gpg
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