centos7安裝nslookup工具、ntp工具
阿新 • • 發佈:2018-12-13
2018-12-13
centos7安裝nslookup工具
yum install bind-utils -y
DNS解析localhost到本機
# 1.檢測 [[email protected] ~]# nslookup localhost Server: 118.118.118.9 Address: 118.118.118.9#53 Non-authoritative answer: Name: localhost.openstacklocal Address: 183.136.168.91 # 2.搭建DNS yum-y install dnsmasq cp /etc/resolv.conf{,.bak} rm -rf /etc/resolv.conf echo -e "nameserver 127.0.0.1\nnameserver $(hostname -i)" >> /etc/resolv.conf chmod 444 /etc/resolv.conf chattr +i /etc/resolv.conf echo -e "server=8.8.8.8\nserver=8.8.4.4" > /etc/dnsmasq.conf echo -e "$(hostname -i)\tlocalhost.$(hostname -d)" >> /etc/hosts service dnsmasq restart # 3.再次檢測 [[email protected] ~]# nslookup localhost Server: 127.0.0.1 Address: 127.0.0.1#53 Name: localhost Address: 192.168.1.78
centos7安裝ntp工具
yum -y install ntp
同步系統時間
ntpdate 0.centos.pool.ntp.org