lsof -i:2375

#如果端口未启动

cat /usr/lib/systemd/system/docker.service

#ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock

#重启docker操作

systemctl daemon-reload

systemctl restart docker

#远程下载
https://www.rabbitmq.com/install-rpm.html#downloads

wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.12.7/rabbitmq-server-3.12.7-1.el8.noarch.rpm

#安装
sudo yum install /path/to/rabbitmq-server-3.12.7-1.el8.noarch.rpm
sudo rabbitmq-plugins enable rabbitmq_management

#配置
echo "loopback_users.guest = false
listeners.tcp.default = 5672" > /etc/rabbitmq/rabbitmq.conf

sudo systemctl start rabbitmq-server
sudo systemctl enable rabbitmq-server
sudo systemctl status rabbitmq-server

echo 'rm -f /run/lock/qemu-server/lock-$1.conf
qm unlock $1
qm stop $1
qm start $1
qm status $1' > restart_vm.sh

24小时间显示&vi中文乱码

echo 'LANG="zh_CN.UTF-8"
LC_TIME="zh_CN.UTF-8"' > /etc/locale.conf
#或者
echo 'LANG="en_US.UTF-8"
LC_TIME="en_US.UTF-8"' > /etc/locale.conf

#生效
source /etc/locale.conf

+8时区

timedatectl set-timezone Asia/Shanghai && systemctl restart systemd-timedated