在ubuntu1804上安装zabbix agent

# 更新
$ sudo apt update
# 安装zabbix agent
$ sudo apt install zabbix-agent
# 修改zabbix_agentd.conf配置文件
$ sudo nano /etc/zabbix/zabbix_agentd.conf
Server=xx.xx.xx.xx # zabbix-server地址
ServerActive=xx.xx.xx.xx # zabbix-server地址
Hostname=agent1  # 这台安装zabbix-agent的主机名，可以通过hostname命令查看主机名 
# 启动zabbix-agent
$ sudo systemctl start zabbix-agent
# 设置zabbix-agent开机自启动
$ sudo systemctl enable zabbix-agent
Synchronizing state of zabbix-agent.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable zabbix-agent
# 查看是否启动
$ sudo systemctl status zabbix-agent
● zabbix-agent.service - Zabbix Agent
   Loaded: loaded (/lib/systemd/system/zabbix-agent.service; enabled; vendor preset: enabled)
   Active: active (running) since Sat 2020-01-25 23:38:38 CST; 13min ago
     Docs: man:zabbix_agentd
 Main PID: 13778 (zabbix_agentd)
    Tasks: 6 (limit: 1336)
   CGroup: /system.slice/zabbix-agent.service
           ├─13778 /usr/sbin/zabbix_agentd --foreground
           ├─13831 /usr/sbin/zabbix_agentd: collector [idle 1 sec]
           ├─13832 /usr/sbin/zabbix_agentd: listener #1 [waiting for connection]
           ├─13833 /usr/sbin/zabbix_agentd: listener #2 [waiting for connection]
           ├─13834 /usr/sbin/zabbix_agentd: listener #3 [waiting for connection]
           └─13835 /usr/sbin/zabbix_agentd: active checks #1 [idle 1 sec]

Jan 25 23:38:38 latest1.cuhk.edu.cn systemd[1]: Started Zabbix Agent.
Jan 25 23:38:38 latest1.cuhk.edu.cn zabbix_agentd[13778]: Starting Zabbix Agent [Zabbix server]. Zabbix 3.0.12 (revision 73586).
Jan 25 23:38:38 latest1.cuhk.edu.cn zabbix_agentd[13778]: Press Ctrl+C to exit.
# 重启zabbix agent
$ sudo systemctl restart zabbix-agent
# 通过日志查看zabbix-agent是否运行正常
$ cat /var/log/zabbix-agent/zabbix_agentd.log
 16288:20200126:000744.207 Zabbix Agent stopped. Zabbix 3.0.12 (revision 73586).
 16307:20200126:000744.218 Starting Zabbix Agent [latest1.cuhk.edu.cn]. Zabbix 3.0.12 (revision 73586).
 16307:20200126:000744.218 **** Enabled features ****
 16307:20200126:000744.218 IPv6 support:          YES
 16307:20200126:000744.218 TLS support:           YES
 16307:20200126:000744.218 **************************
 16307:20200126:000744.218 using configuration file: /etc/zabbix/zabbix_agentd.conf
 16307:20200126:000744.219 agent #0 started [main process]
 16311:20200126:000744.219 agent #1 started [collector]
 16315:20200126:000744.220 agent #5 started [active checks #1]
 16314:20200126:000744.220 agent #4 started [listener #3]
 16313:20200126:000744.220 agent #3 started [listener #2]
 16312:20200126:000744.220 agent #2 started [listener #1]