grep -C n "匹配字符串" 匹配字符串上下N行

[root@xxxxx ~]# grep -C  'ip_whitelist' /etc/gitlab/gitlab.rb

#   'PATH' => "/opt/gitlab/bin:/opt/gitlab/embedded/bin:/bin:/usr/bin"

# }

# gitlab_rails['rack_attack_git_basic_auth'] = {

#   'enabled' => true,

#   'ip_whitelist' => ["127.0.0.1"],

#   'maxretry' => ,

#   'findtime' => ,

#   'bantime' =>

# }