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

Note: The red characters are the contents that need to be entered in the shell:

Machine planning:

Turn it on, turn it off automatically.

[root@k8s-etcd1 ~]# systemctl disable firewalld.service

turn off the firewall

[root@k8s-etcd1 ~]# systemctl stop firewalld.service

Scheduled Task Synchronization Time:

0 */1 * * * /usr/sbin/ntpdate cn.pool.ntp.org > /dev/null 2>&1

Close selinux

[root@k8s-etcd1 ~]# sed -i "s#SELINUX=enforcing#SELINUX=disabled#g" /etc/selinux/config

[root@k8s-etcd1 ~]# sed -i "s#SELINUX=enforcing#SELINUX=disabled#g" /etc/sysconfig/selinux

Change host name

[root@k8s-etcd1 ~]# hostnamectl set-hostname k8s-etcd1

synchronization time

[root@k8s-etcd1 ~]# sudo timedatectl set-timezone Asia/Shanghai

[root@k8s-etcd1 ~]# date

[root@k8s-etcd1 ~]# sudo timedatectl set-local-rtc 0

[root@k8s-etcd1 ~]# sudo systemctl restart rsyslog

[root@k8s-etcd1 ~]# sudo systemctl restart crond

Close swap partition

[root@k8s-etcd1 ~]# sudo swapoff -a

[root@k8s-etcd1 ~]# free -m

total used free shared buff/cache available

Mem: 3770 136 3510 11 124 3449

Swap: 0 0 0 Confirm swap partition is closed

Switch partition off automatically

[root@k8s-etcd1 ~]# sudo sed -i '/ swap / s/^\(.*\)$/#\ 1/g' /etc/fstab

Resolve hosts to hosts file

[root@k8s-etcd1 ~]# cat >> /etc/hosts

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