在執行 yum install gcc 時 發現下載下傳失敗
ping www.baidu.com
ping 不通
ping 百度的IP:220.181.111.188卻能ping 通
由此證明是DNS的問題
百度後查到設定DNS 需要運作指令:vi /etc/resolv.conf
添加:
nameserver 192.168.0.1
然而運作vi /etc/resolv.conf後提示:
# Generated by NetworkManager
search An
# No nameservers found; try putting DNS servers into your
# ifcfg files in /etc/sysconfig/network-scripts like so:
#
# DNS1=xxx.xxx.xxx.xxx
# DNS2=xxx.xxx.xxx.xxx
# DOMAIN=lab.foo.com bar.foo.com
于是運作 vi /etc/sysconfig/network-scripts/ifcfg-eth0
添加
# DNS1=192.168.0.1
# DNS2=192.168.0.1
# DOMAIN=lab.foo.com bar.foo.com
運作service network restart
發現還是ping 不通
運作 vi /etc/resolv.conf 發現添加的nameserver 丢失
網絡搜尋後找到解決方案:
1、#Remove network Manager from startup service
chkconfig NetworkManagerMangager off
2、#Add Default Net Manager
chconfig network on
3、Stop NetworkManager first
service NetworkManager stop
4、#and then start Default Manager
service network start
5、#restart network
service network restart
重新配置DNS配置檔案 重新開機網絡