1. 查询用户历史登录记录
grep 'gs10127' /home/im/apps/opt/ejabberd_522*/var/log/ejabberd/ejabberd.log* > gs10127.log
grep 'gs10127' /data/apps/opt/ejabberd_522*/var/log/ejabberd/ejabberd.log* > gs10127.log
grep '2018-12-07' gs10127.log
2. 查询用户实时登录记录
tail -f /home/im/apps/opt/ejabberd_522*/var/log/ejabberd/ejabberd.log| grep 'jin1'
tail -f /data/apps/opt/ejabberd_522*/var/log/ejabberd/ejabberd.log| grep 'jin1'