-
netstat -anptu
-a: 列出索引的进程
-n:以数字显示
-P:进程名称及PID信息
-u :udp连接 -
网络配置文件路径
[root@server0 ~]# vim /etc/sysconfig/network-scripts/
[root@room4pc09 桌面]# cat /etc/sysconfig/network-scripts/ifcfg-pan #查看pan网卡
HWADDR=00:0C:29:59:97:97
TYPE=Ethernet
BOOTPROTO=dhcp #自动获取IP
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=pan
UUID=72e8504b-1b21-4da2-b557-96a7647d4424
ONBOOT=yes
[root@a ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 #查看eth0网卡
TYPE=Ethernet #网络类型Ethernet(以太网),Bridge(桥)
BOOTPROTO=none #手动配置IP地址
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
NAME=eth0 #网卡名称
DEVICE=eth0
ONBOOT=yes #开机自启
IPADDR=192.168.4.100
PREFIX=24
GATEWAY=192.168.4.255
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03
- 查看端口和配置IP命令
[root@room9pc01 bin]# netstat -anptu
- FTP主配置文件
[root@room9pc01 bin]# ls /etc/vsftpd/vsftpd.conf #查看FTP端口主配置文件
/etc/vsftpd/vsftpd.conf
[root@room9pc01 bin]# netstat -anptu |grep vsftpd #查看FTP端口开放的IP
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 1396/vsftpd
- 查看网卡运行状态
[root@a ~]# systemctl status NetworkManager #查看图形化网卡状态
● NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)
Active: active (running) since 三 2019-02-06 03:18:13 EST; 10min ago
Main PID: 805 (NetworkManager)
CGroup: /system.slice/NetworkManager.service
└─805 /usr/sbin/NetworkManager --no-daemon
[root@a ~]# systemctl status network #查看命令行的网卡状态
● network.service - LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network)
Active: failed (Result: exit-code) since 三 2019-02-06 03:18:19 EST; 12min ago
Docs: man:systemd-sysv-generator(8)
Process: 1157 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)
- 停止图形网卡
[root@a ~]# systemctl stop NetworkManager