CentOS System Usage Tips

=============================== Network Configuration ===============================
1 eth0 interface configuration:/etc/sysconfig/network-scipts/ifcfg-eth0
Device=eth0
hwaddr=c8:60:00:69:ce:04
Type=ethernet
Uuid=ff105f76-baaa-4a8d-95c2-efe85fd9ab23
#接口随网络启动而自启动
Onboot=yes
Nm_controlled=yes
#静态ip
Bootproto=static
ipaddr=192.168.20.51
netmask=255.255.255.0
gateway=192.168.20.254
#若无法解析域名, configure your DNS value
dns1=202.96.128.86
dns2=202.96.128.166
#PEERDNS =yes
2 DNS server configuration:/etc/resolv.conf
NameServer 202.96.128.86
NameServer 202.96.128.166

================================vbox installation ====================================
1 Vim/etc/yum.repo.d/virtualbox.repo Add the following line:
[VirtualBox]
Name=oracle linux/rhel/centos-$releasever/$basearch-virtualbox
baseurl=http://download.virtualbox.org/virtualbox/rpm/el/$releasever/$basearch
Enabled=1
Gpgcheck=1
Repo_gpgcheck=1
Gpgkey=https://www.virtualbox.org/download/oracle_vbox.asc
2 Yum Install VirtualBox-5.0
3 Yum install-y gcc kernel kernel-devel kernel-headers//Find kernel installation location
4 Restart the computer//or: Kern_dir=/usr/src/kernels/2.6.32-573.22.1.el6.x86_64/etc/init.d/vbox//Kern_dir fill in the actual installation location

================== Installation Enhancement Tool ===================
1 sudo yum install kernel-devel gcc gcc-c++ make
2 sudo yum groupinstall "Deveplement Tools"
3 reboot
4 cd/media/vboxadditions_4.3.6_91406
5 Export make= '/usr/bin/gmake-i '
6./vboxlinuxadditions.run

==================== Update Yum package source ======================
1 wget Http://mirrors.163.com/.help/CentOS6-Base-163.repo
2 cd/etc/yum.repos.d/
3 MV Centos-base.repo Centos-base.repo.bak
4 MV Centos6-base-163.repo Centos-base.repo
5 Yum Clean All
6 Yum Makecache
7 Yum Update

CentOS System Usage Tips