Apache-2.4

CentOS 7 上的 Apache 出現奇怪錯誤

  • May 9, 2017

我正在嘗試使用 vagrant、virtualbox 和 CentOS 7 64bit 建構虛擬機。主機作業系統是 Ubuntu 14.04 64 位。Vagrant 是 1.9.2，VirtualBox 5.1.6。

這是流浪文件

Vagrant.configure("2") do |config|
 config.vm.box = "centos/7"
 config.vm.box_check_update = false

 # Enable cache if plugin is installed
 # To install it execute: vagrant plugin install vagrant-cachier
 # cache will be located in [thisvagrantdir]/.vagrant/machines/default/cache
 if Vagrant.has_plugin?("vagrant-cachier")
   config.cache.auto_detect = true
   config.cache.scope       = :machine
 end

 config.vm.network "private_network", ip: "192.168.33.101"

 config.hostmanager.enabled = true
 config.hostmanager.manage_host = true
 config.hostmanager.aliases = %w(centos7.dev)

 config.ssh.forward_agent = true
 config.vm.synced_folder ".", "/vagrant", type: "nfs"

 config.vm.provider "virtualbox" do |vb|
   vb.customize ["modifyvm", :id, "--memory", "2048"   ]
   vb.customize ["modifyvm", :id, "--name"  , "centos7"]
 end

 config.vm.provision "shell" do |s|
    s.privileged = true
    s.path       = "provisioner.sh"
 end

end

現在在provisioner.sh 中安裝PHP、一些擴展並為位於/etc/httpd/conf.d/site.conf 的apache 添加一個配置文件。這是site.conf：

<VirtualHost _default_:80>
    ServerAdmin webmaster@example.com
    DocumentRoot /vagrant/www/moodle
    ServerName centos7.dev
    ErrorLog /vagrant/log/error.log
    CustomLog /vagrant/log/requests.log combined

 <IfModule dir_module>
   DirectoryIndex index.php index.html
 </IfModule>

 <Directory /vagrant/www/moodle>
   Options All
   AllowOverride All
   Require all granted
 </Directory>

 <Location />
    LogLevel warn
 </Location>

</VirtualHost>

/vagrant/www/moodle 是來自主機系統的 NFS 附加目錄。

完成這一切之後，apache 只是拒絕啟動。我可以執行 sudo systemctl start httpd.service 100 次，但沒有任何反應。但是，如果我使用 sudo httpd 執行它，它可以工作？？？！！！

這就是我得到的狀態

[vagrant@default ~]$ sudo systemctl status httpd.service
● httpd.service - The Apache HTTP Server
  Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
  Active: failed (Result: exit-code) since mar 2017-05-09 11:29:09 UTC; 8s ago
    Docs: man:httpd(8)
          man:apachectl(8)
 Process: 7149 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=1/FAILURE)
 Process: 7148 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)
Main PID: 7148 (code=exited, status=1/FAILURE)

may 09 11:29:09 default systemd[1]: Starting The Apache HTTP Server...
may 09 11:29:09 default systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE
may 09 11:29:09 default kill[7149]: kill: cannot find process ""
may 09 11:29:09 default systemd[1]: httpd.service: control process exited, code=exited status=1
may 09 11:29:09 default systemd[1]: Failed to start The Apache HTTP Server.
may 09 11:29:09 default systemd[1]: Unit httpd.service entered failed state.
may 09 11:29:09 default systemd[1]: httpd.service failed.

關於我在這裡做錯了什麼的任何想法？謝謝

增加error_log內容

 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 [Tue May 09 02:00:13.473097 2017] [core:notice] [pid 24635] SELinux policy enabled; httpd running as context unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
 [Tue May 09 02:00:13.475731 2017] [suexec:notice] [pid 24635] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
 [Tue May 09 02:00:13.504866 2017] [auth_digest:notice] [pid 24636] AH01757: generating secret for digest authentication ...
 [Tue May 09 02:00:13.507336 2017] [lbmethod_heartbeat:notice] [pid 24636] AH02282: No slotmem from mod_heartmonitor
 [Tue May 09 02:00:13.536814 2017] [mpm_prefork:notice] [pid 24636] AH00163: Apache/2.4.6 (CentOS) PHP/5.4.16 configured -- resuming normal operations
 [Tue May 09 02:00:13.536867 2017] [core:notice] [pid 24636] AH00094: Command line: 'httpd'
 [Tue May 09 02:05:20.671219 2017] [mpm_prefork:notice] [pid 24636] AH00169: caught SIGTERM, shutting down
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 [Tue May 09 02:07:52.571217 2017] [core:notice] [pid 6154] SELinux policy enabled; httpd running as context unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
 [Tue May 09 02:07:52.573223 2017] [suexec:notice] [pid 6154] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
 [Tue May 09 02:07:52.599432 2017] [auth_digest:notice] [pid 6155] AH01757: generating secret for digest authentication ...
 [Tue May 09 02:07:52.601028 2017] [lbmethod_heartbeat:notice] [pid 6155] AH02282: No slotmem from mod_heartmonitor
 [Tue May 09 02:07:52.671389 2017] [mpm_prefork:notice] [pid 6155] AH00163: Apache/2.4.6 (CentOS) PHP/5.4.16 configured -- resuming normal operations
 [Tue May 09 02:07:52.671423 2017] [core:notice] [pid 6155] AH00094: Command line: 'httpd'
 [Tue May 09 02:20:28.697078 2017] [mpm_prefork:notice] [pid 6155] AH00169: caught SIGTERM, shutting down
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 [Tue May 09 11:14:29.277789 2017] [core:notice] [pid 7361] SELinux policy enabled; httpd running as context unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
 [Tue May 09 11:14:29.285279 2017] [suexec:notice] [pid 7361] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
 [Tue May 09 11:14:29.307699 2017] [auth_digest:notice] [pid 7362] AH01757: generating secret for digest authentication ...
 [Tue May 09 11:14:29.309339 2017] [lbmethod_heartbeat:notice] [pid 7362] AH02282: No slotmem from mod_heartmonitor
 [Tue May 09 11:14:29.448865 2017] [mpm_prefork:notice] [pid 7362] AH00163: Apache/2.4.6 (CentOS) PHP/5.4.16 configured -- resuming normal operations
 [Tue May 09 11:14:29.448913 2017] [core:notice] [pid 7362] AH00094: Command line: 'httpd'
 [Tue May 09 11:19:24.274215 2017] [mpm_prefork:notice] [pid 7362] AH00169: caught SIGTERM, shutting down
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 (13)Permission denied: AH00091: httpd: could not open error log file /vagrant/log/error.log.
 AH00015: Unable to open logs
 [Tue May 09 11:32:03.917301 2017] [core:notice] [pid 7210] SELinux policy enabled; httpd running as context unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
 [Tue May 09 11:32:03.919728 2017] [suexec:notice] [pid 7210] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
 [Tue May 09 11:32:03.944005 2017] [auth_digest:notice] [pid 7211] AH01757: generating secret for digest authentication ...
 [Tue May 09 11:32:03.945572 2017] [lbmethod_heartbeat:notice] [pid 7211] AH02282: No slotmem from mod_heartmonitor
 [Tue May 09 11:32:04.013106 2017] [mpm_prefork:notice] [pid 7211] AH00163: Apache/2.4.6 (CentOS) PHP/5.4.16 configured -- resuming normal operations
 [Tue May 09 11:32:04.013158 2017] [core:notice] [pid 7211] AH00094: Command line: 'httpd'

正如使用者 ezra-s 已經提到的那樣，SELinux 是罪魁禍首。我一執行

sudo setenforce 0
sudo systemctl start httpd.service

一切都開始工作了。我將永久禁用 SELinux，因為這是純測試 VM。

謝謝大家。

引用自：https://serverfault.com/questions/849026

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