域名解析优先级

cat  /etc/nsswitch.conf

 

++++++++++++++++++++++++++++++  配置 +++++++++++++++++++++++++++++

 

passwd: files
shadow: files
group: files

#hosts: db files nisplus nis dns
hosts: files dns

# Example - obey only what nisplus tells us...
#services: nisplus [NOTFOUND=return] files
#networks: nisplus [NOTFOUND=return] files
#protocols: nisplus [NOTFOUND=return] files
#rpc: nisplus [NOTFOUND=return] files
#ethers: nisplus [NOTFOUND=return] files
#netmasks: nisplus [NOTFOUND=return] files

 

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

 

hosts 后面 file（/etc/hosts）  优先级高于dns 解析