Shulou(Shulou.com)06/03 Report--

Role

IP role operating system remarks 192.168.10.210masterCentOS 7haproxyde keepalived master 192.168.10.211masterCentOS 7haproxyparente keepalived standby 192.168.10.212masterCentOS 7haproxyparce keepalived standby 192.168.10.213nodeCentOS 7 only as nodes

Host preparation:

1. Install the necessary software and upgrade all softwar

Yum-y install vim-enhanced wget curl net-tools conntrack-tools bind-utils socat ipvsadm ipsetyum-y update

two。 Close selinux

Sed-I-- sed-I-I

3. Turn off unnecessary services

Systemctl disable auditdsystemctl disable postfixsystemctl disable irqbalancesystemctl disable remote-fssystemctl disable tunedsystemctl disable rhel-configuresystemctl disable firewalld

4. Install kernel-lt (kernel 4.4.178)

Rpm-- import https://www.elrepo.org/RPM-GPG-KEY-elrepo.orgyum-y install https://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpmyum-- enablerepo=elrepo-kernel install kernel-lt-ygrub2-set-default 0grub2-mkconfig-o / etc/grub2.cfg

5. Optimize the kernel

Cat > > / etc/sysctl.conf / etc/security/limits.conf / etc/rc.localchmod + x / etc/rc.localswapoff-a

8. Install docker

Yum-y install dockercurl-sSL https://get.daocloud.io/daotools/set_mirror.sh | sh-s http://e2a6d434.m.daocloud.iosed-I's etc/docker/daemon.jsonservice docker start chkconfig docker on

9. The kernel loads ipvs_rr, ipvs_wrr, ipvs_sh modules

Cat / dev/null 2 > & 1 if [$?-eq 0]; then / sbin/modprobe\ ${kernel_module} fidoneEOFchmod + x / etc/sysconfig/modules/ipvs.modulessh / etc/sysconfig/modules/ipvs.modules

10. Install kubeadm, kubelet, kubectl

Mkdir / etc/yum.repos.d/bak & & cp-rf / etc/yum.repos.d/*.repo / etc/yum.repos.d/bakwget-O / etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repowget-O / etc/yum.repos.d/epel.repo http://mirrors.cloud.tencent.com/repo/epel-7.repo yum clean all & & yum makecachecat

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