昨天在配置邮箱证书的时候，执行“certutil -A -n "GeoTrust SSL CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt”系统报了错误

[Lee@test_center ~]# certutil -A -n "GeoTrust SSL CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt
-bash: certutil: 未找到命令

解决办法：直接yum安装nss-tools包，即可解决

yum install -y nss-tools