安装etcd

安装etcd（centos7.9）

git clone -b v3.5.0 https://github.com/etcd-io/etcd.git
cd etcd/
./build.sh
mkdir -p /usr/local/etcd/
mv ./bin/ /usr/local/etcd/
vi /etc/profile
# 贴入内容 开始
export PATH=$PATH:/usr/local/etcd/bin
# 贴入内容 结束
source /etc/profile

cp etcd.conf.yml /etc/etcd/etcd.conf.yml

制作系统服务

vi /etc/systemd/system/etcd.service

# 贴入内容 开始
[Unit]
Description=etcd

[Service]
ExecStart=/usr/local/etcd/bin/etcd --config-file /etc/etcd/etcd.conf.yml
Restart=always
RestartSec=10
KillSignal=SIGINT
SyslogIdentifier=etcd
User=root

[Install]
WantedBy=multi-user.target
# 贴入内容 结束

启动/重启/停止服务

# 启动
systemctl start etcd

# 停止
systemctl stop etcd

# 重启
systemctl restart etcd

# 设置开机自启
systemctl enable etcd

# 取消开机自启
systemctl disable etcd

# 查看状态
systemctl status etcd