Common LINUX commands

Common LINUX commands-general Linux technology-Linux technology and application information. For details, refer to the following section. Fc restart network
/Sbin/service network stop/start

Set IP address under FC
/Sbin/ifconfig eth0 10.0.2.230 netmask fixed bandwidth limit 192 broadcast 10.0.2.255

Modify DNS in fc7
Vi/etc/resolv. conf
Nameserver 202.106.0.20

Ssh raohongfu@10.0.1.33

[NFS] usage
Simple use of NFS in fc7
/Sbin // service nfs start
Vi/etc/exports
1/home/wwwroot-rw 10.0.2.230
2
3/home/rhf/10.0.2.230 (ro)
/Sbin // service nfs restart
/Usr/sbin/showmount-e 10.0.2.230
Mount-t nfs 10.0.2.230:/home/rhf/home/session/

[RSYNC] Service
Server:
Vi/etc/rsyncd. conf
1 uid = nobody
2 gid = nobody
3 use chroot = no
4 max connections = 4
5 pid file =/tmp/rsyncd. pid
6 lock file =/tmp/rsyncd. lock
7 log file =/tmp/rsyncd. log
8
9 [hongfu]
10 path =/home/nfsdata
11 ignore errors
12 read only = false
13 list = true
14 hosts allow = 10.0.1.33
15 hosts deny = 0.0.0.0/32
16 auth users = backuser
17 secrets file =/etc/rsync. user
18
Vi/etc/rsync. user
1 backuser: hongfu
/Usr/bin/rsync -- daemon

Client:
Rsync-vzrtopg -- progress -- delete backuser@10.0.2.230: hongfu/home/raohongfu/tmp/

Client sh script
Rsync-vzrtopg -- progress -- delete -- password-file =/home/raohongfu/rsync. user backuser@10.0.2.230: www/home/raohongfu/aa/
Vi/home/raohongfu/rsync. user
Hongfu (password only)
Chmod 400 rsync. user (very important)

When the firewall is enabled, make the following settings to enable the relevant ports,
Modify the/etc/sysconfig/iptables file and add the following content:
-A RH-Firewall-1-INPUT-m state -- state NEW-m tcp-p tcp -- dport 80-j ACCEPT
-A RH-Firewall-1-INPUT-m state -- state NEW-m tcp-p tcp -- dport 22-j ACCEPT
Add a firewall rule to open port 80. Otherwise, only local access is allowed. Other computers cannot open the webpage.
/Sbin/service iptables stop or/et/init. d/iptables stop