现在遇到的问题是：在浏览器上通过自己设的虚拟网址访问不了。我把虚拟网址设为www.centostest.test。通过ip 192.168.1.101能访问到页面，网址不行。ping www.centostest.test能ping通。
报的错误有：
[Thu Aug 01 09:17:08.367305 2019] [core:notice] [pid 2890] SELinux policy enabled; httpd running as context system_u:system_r:httpd_t:s0
[Thu Aug 01 09:17:08.368175 2019] [suexec:notice] [pid 2890] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Thu Aug 01 09:17:08.376331 2019] [auth_digest:notice] [pid 2890] AH01757: generating secret for digest authentication …
[Thu Aug 01 09:17:08.377103 2019] [lbmethod_heartbeat:notice] [pid 2890] AH02282: No slotmem from mod_heartmonitor
[Thu Aug 01 09:17:08.378635 2019] [mpm_prefork:notice] [pid 2890] AH00163: Apache/2.4.6 (CentOS) configured – resuming normal operations
[Thu Aug 01 09:17:08.378657 2019] [core:notice] [pid 2890] AH00094: Command line: ‘/usr/sbin/httpd -D FOREGROUND’