获取黑名单ip
    grep “Rack_Attack” /var/log/gitlab/gitlab-rails/production.log

    查看redis socket位置
    grep unixsocket /var/opt/gitlab/redis/redis.conf

    连接redis数据库
    redis-cli -s /var/opt/gitlab/redis/redis.socket 或
    redis-cli也可以写全路径/opt/gitlab/embedded/bin/redis-cli

    查看黑名单
    redis /var/opt/gitlab/redis/redis.socket> keys attack
    显示一般为
    “cache:gitlab:rack::attack:allow2ban:ban:106.101.xx.xxx”

    删除黑名单
    del cache:gitlab:rack::attack:allow2ban:ban:106.101.xx.xxx