/ etc / sysconfig / network includes host basic network information for system startup
/ etc / sysconfig / network-script / this directory is the information of the system started the initialization network
/ etc / sysconfig / network-script / ifcfg-eth0 network configuration information
/etc/xinetd.conf Defines the network service that is started by the Super Process Xinetd
/ etc / protocols sets the protocol used by the host and the protocol numbers of each protocol
/ etc / services set network services for different ports of the host
// Network Configuration Tool
# redHat-config-network
/ * Configure and view the network interface when using the ifconfig command * /
// Configure the IP of Eth0, and activate the device at the same time.
# ifconfig eth0 192.168.168.119 Netmask 255.255.255.0 Up
// Configure the ip of Eth0 alias equipment Eth0: 1, and add a route
# ifconfig eth0: 1 192.168.168.110
# Route add -host 192.168.168.110 dev eth0: 1
// Activate (disable) device
# ifconfig eth0: 1 Up (Down)
/ / View all (specified) network interface configuration
# ifconfig (eth0)
/ * Use the route command to configure the routing table * /
// Add to the host route
# Route add -host 192.168.168.110 dev eth0: 1
# Route Add-Host 192.168.168.119 GW 192.168.168.1
// Add to the network's routing
# Route Add -Net IP Netmask Mask Eth0
# Route Add -Net IP Netmask Mask GW IP
# Route Add -Net IP / 24 Eth1
// Add a default gateway
# Route Add Default GW IP
// Delete the route
# Route del -host 192.168.168.110 dev eth0: 1
/ * Common ordered command * /
# Traceroute www.bcxy.com
# ping www.bcxy.com
// Display network interface status information
# netstat -i
/ / Display all Sockets of all monitored servers and program information that is using socket
# netstat -lpe
// Display kernel routing table information
# netstat -r
# netstat -nr
/ / Display the connection status of the TCP / UDP transport protocol
# netstat -t
# netstat -u
/ / Change the host name
# Hostname MyHost
/ / View ARP cache
# arp
//Add to
# arp -s ip mac
//delete
# arp -d ip
/ * Run level and network service * /
/ / View the current run level
# Runlevel
// Run level switch
# init
# Telinit If there is any problem, please send an email: webmaster@bcxy.com
