报错如下：
Configuring acunetix user...
User acunetix already exist.
Home directory for user acunetix not found.
Aborting installation
删除用户
userdel -r acunetix
提示正在被使用
userdel: user acunetix is currently used by process 575244
停止服务
sudo systemctl stop acunetix
然后删除