文章1网络管理工具1.1 CentOS 61. 2 CentOS 71. 3网络服务管理命令2网卡配置3系统实践
1网络管理工具1.1 CentOS 6
网络工具：
ifconfig
查看网卡信息临时修改网卡[ root @ localhost~] # ifconfig eth 0192.168.1.1 net mask 255.255.255.0 netstat
常用于检查当前系统上运行的网络服务、网络连接状态，然后查询并杀死服务是否打开或进程的进程号。 常用命令[ root @ localhost~~ ] # netstat-tu LNP # TCP、udp、侦听状态、未解析域名、显示进程名[ root @ localhost~~ ] # netstata
显示路由信息不解析域名[root@localhost ~]# route-nkerneliproutingtabledestinationgatewaygenmaskflagsmetricrefuseiface0.0.0. 0192.168.159.20.0.0 ug 100.0
ip
查看网卡信息[ root @ localhost~] # IP addr show 13360 lo : loopback，UP， lower _ up MTU 65536 qdiscnoqueuestateunknownqlen 1000 link/loopback 0033600336000336000336000336000336000336000 brd 00336000336000336000033600000000003 brd 00:000003:000000000 inet 127.0 8 scopehostlovalid _ lftforeverpreferred _ lftforeverinet 6336033601/128 scopehostvalid _ lftforeverpreferrred _ lft forever 上传， lower _ up MTU 1500 qdisc pfifo _ faststateupqlen 1000 link/ether 0033600 c 33602933605933609:81 br dff 3: ff 3: ff : 24 brd 192.168.159.255 scopeglobalnoprefixrouteens 33 valid _ lftforeverpreferred _ lftforeverinet6Fe 8033603360 f 74 f 33605555 rever preferred _ lft forever : virbr 03360 no-carrier，BROADCAST，MULTICAST， up MTU 1500 qdiscnoqueuestatedownqlen 1000 link/ether 5233605433600033601 c :8 f :8 f : cfbrdff : ff : ff : ff : fi 24 brd 192.168.122.255 scopeglobalvirbr0valid _ lftforeverpreferred _ lft forever 43360 virbr0- NIC : broadcast， 多点MTU 1500 qdisc pfifo _ fastmastervirbr0statedownqlen 1000 link/#查看ether 5233605433600033601 c :8 f :8 cfbrdff 3360 ff : ff : ff : ff路由信息[root@localhost ~]# iprouteshowdefaultvia 192.168.159.2 devens 33 protostaticmetric 100192.168.122.0/24 devvvirbr0protokernelscopelinksrc 199 24 devens 33 protokernelscopelinksrc 192.168.159.129公制100 ss (相当于netstat (根@ localhost (# ) ss-tuLNP ) root@loot ) ) ) ) 652 ss -ant 1. 3网络服务管理命令[ root @ localhost~] # systemctlstart|stoot
3系统实际操作系统实际操作