centos7重启DHCP服务
时间: 2023-09-04 17:08:01 浏览: 52
1. 确认DHCP服务是否已安装
在终端中输入以下命令,确认DHCP服务是否已安装:
```
rpm -qa | grep dhcp
```
如果系统中已安装DHCP服务,会显示出对应的包名。
2. 重启DHCP服务
在终端中输入以下命令,重启DHCP服务:
```
systemctl restart dhcpd
```
如果DHCP服务未安装,系统会提示找不到该服务。
3. 验证DHCP服务是否重启成功
在终端中输入以下命令,验证DHCP服务是否重启成功:
```
systemctl status dhcpd
```
如果DHCP服务已经启动并运行,会显示出类似以下信息:
```
● dhcpd.service - DHCPv4 Server Daemon
Loaded: loaded (/usr/lib/systemd/system/dhcpd.service; disabled; vendor preset: disabled)
Active: active (running) since Wed 2021-11-24 15:44:34 CST; 27s ago
Process: 23383 ExecStart=/usr/sbin/dhcpd -f -cf /etc/dhcp/dhcpd.conf -user dhcpd -group dhcpd --no-pid (code=exited, status=0/SUCCESS)
Main PID: 23384 (dhcpd)
CGroup: /system.slice/dhcpd.service
└─23384 dhcpd -f -cf /etc/dhcp/dhcpd.conf -user dhcpd -group dhcpd --no-pid
Nov 24 15:44:34 centos7 systemd[1]: Starting DHCPv4 Server Daemon...
Nov 24 15:44:34 centos7 dhcpd[23384]: Internet Systems Consortium DHCP Server 4.2.5
Nov 24 15:44:34 centos7 dhcpd[23384]: Copyright 2004-2013 Internet Systems Consortium.
Nov 24 15:44:34 centos7 dhcpd[23384]: All rights reserved.
Nov 24 15:44:34 centos7 dhcpd[23384]: For info, please visit https://www.isc.org/software/dhcp/
Nov 24 15:44:34 centos7 dhcpd[23384]: Wrote 0 leases to leases file.
Nov 24 15:44:34 centos7 dhcpd[23384]: Listening on LPF/eth0/08:00:27:69:5c:5b/192.168.56.0/24
Nov 24 15:44:34 centos7 dhcpd[23384]: Sending on LPF/eth0/08:00:27:69:5c:5b/192.168.56.0/24
Nov 24 15:44:34 centos7 dhcpd[23384]: Sending on Socket/fallback/fallback-net
Nov 24 15:44:34 centos7 systemd[1]: Started DHCPv4 Server Daemon.
```
其中,`Active: active (running)`表示DHCP服务已经成功启动并正在运行。如果显示为`Active: inactive (dead)`,则说明DHCP服务启动失败。