CetnOS6, minimizing installation of network management tools after installation
Upgrade the system yum-y update
Yum-y upgrade upgrade all packages without changing software and system settings, system version upgrade, kernel unchanged
Yum-y update upgrades all packages, changes software settings and system settings, and upgrades the system version kernel
Network configuration
Cat / etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=none
NM_CONTROLLED=no
ONBOOT=yes
TYPE=Ethernet
IPADDR=192.168.30.223
NETMASK=255.255.255.0
GATEWAY=192.168.30.1
DNS=8.8.8.8
Install the setup main tool
Yum install setuptool
Install the supporting system service management tools in setup
Yum install ntsysv
Install firewall and firewall settings in setup
Yum install iptables system-config-securitylevel-tui
Install the supporting network settings in setup
Yum install system-config-network-tui
