# 查看操作系统发行版信息
cat /etc/redhat-release

# 查看系统详细信息
lsb_release -a

# 查看cpu型号
cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
    
# 查看物理CPU个数
cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l
# 查看逻辑cpu的个数
cat /proc/cpuinfo| grep "processor"| wc -l

# 查看cpu核数
cat /proc/cpuinfo| grep "cpu cores"| uniq

# 查看服务器公网地址
curl ifconfig.me
curl http://members.3322.org/dyndns/getip