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Apache 无法启动 LSB：Apache2 Web 服务器

tag-icon • tag-icon command-line server apache2
Apache 无法启动 LSB：Apache2 Web 服务器

当我启动 Apache 时，它​​给出了以下错误 -

  Job for apache2.service failed because the control process exited with error code. See "systemctl status apache2.service" and "journalctl -xe" for details.

我执行了以下命令 -

 systemctl status apache2.service

我收到以下错误

  apache2.service - LSB: Apache2 web server
  Loaded: loaded (/etc/init.d/apache2; bad; vendor preset: enabled)
  Drop-In: /lib/systemd/system/apache2.service.d
       └─apache2-systemd.conf
  Active: failed (Result: exit-code) since Wed 2017-05-31 17:01:40 IST; 1min 34s ago
  Docs: man:systemd-sysv-generator(8)
  Process: 11884 ExecStop=/etc/init.d/apache2 stop (code=exited, status=0/SUCCESS)
  Process: 3171 ExecReload=/etc/init.d/apache2 reload (code=exited, status=0/SUCCESS)
  Process: 12696 ExecStart=/etc/init.d/apache2 start (code=exited, status=1/FAILURE)

 May 31 17:01:40 itadmin systemd[1]: Starting LSB: Apache2 web server...
 May 31 17:01:40 itadmin apache2[12696]:  * Starting Apache httpd web server apache2
 May 31 17:01:40 itadmin apache2[12696]: mktemp: failed to create file via template ‘/tmp/tmp.XXXXXXXXXX’: Read-only file system
May 31 17:01:40 itadmin apache2[12696]: /etc/init.d/apache2: 72: /etc/init.d/apache2: cannot create : Directory nonexistent
 May 31 17:01:40 itadmin apache2[12696]:  *
 May 31 17:01:40 itadmin apache2[12696]:  * The apache2 configtest failed.
 May 31 17:01:40 itadmin systemd[1]: apache2.service: Control process exited, code=exited status=1
 May 31 17:01:40 itadmin systemd[1]: Failed to start LSB: Apache2 web server.
May 31 17:01:40 itadmin systemd[1]: apache2.service: Unit entered failed state.
May 31 17:01:40 itadmin systemd[1]: apache2.service: Failed with result 'exit-code'.

我什么都不懂。有人能帮帮我吗？

答案1

我也遇到了同样的错误（使用 Saltstack 时），并设法解决了它。有四种方法。

  1. 由于某种原因，您的/etc/apache2/envvars缺失：
    为了解决这个问题，您可以手动创建文件并在下面添加默认的环境变量内容

    sudo vim /etc/apache2/envvars

    # envvars - default environment variables for apache2ctl

# this won't be correct after changing uid
unset HOME

# for supporting multiple apache2 instances
if [ "${APACHE_CONFDIR##/etc/apache2-}" != "${APACHE_CONFDIR}" ] ; then
    SUFFIX="-${APACHE_CONFDIR##/etc/apache2-}"
else
   SUFFIX=
fi

# Since there is no sane way to get the parsed apache2 config in scripts, some
# settings are defined via environment variables and then used in apache2ctl,
# /etc/init.d/apache2, /etc/logrotate.d/apache2, etc.
export APACHE_RUN_USER=www-data
export APACHE_RUN_GROUP=www-data
# temporary state file location. This might be changed to /run in Wheezy+1
export APACHE_PID_FILE=/var/run/apache2/apache2$SUFFIX.pid
export APACHE_RUN_DIR=/var/run/apache2$SUFFIX
export APACHE_LOCK_DIR=/var/lock/apache2$SUFFIX
# Only /var/log/apache2 is handled by /etc/logrotate.d/apache2.
export APACHE_LOG_DIR=/var/log/apache2$SUFFIX

## The locale used by some modules like mod_dav
export LANG=C
## Uncomment the following line to use the system default locale instead:
#. /etc/default/locale

export LANG

## The command to get the status for 'apache2ctl status'.
## Some packages providing 'www-browser' need '--dump' instead of '-dump'.
#export APACHE_LYNX='www-browser -dump'

## If you need a higher file descriptor limit, uncomment and adjust the
## following line (default is 8192):
#APACHE_ULIMIT_MAX_FILES='ulimit -n 65536'

## If you would like to pass arguments to the web server, add them below
## to the APACHE_ARGUMENTS environment.
#export APACHE_ARGUMENTS=''

## Enable the debug mode for maintainer scripts.
## This will produce a verbose output on package installations of web server modules and web application
## installations which interact with Apache
#export APACHE2_MAINTSCRIPT_DEBUG=1

    然后照常重新启动 apache 服务。

    sudo service apache2 restart

  2. 如果您的envvars文件没有问题，则可能是缺少软件包。使用以下命令重新安装缺少的软件包，然后重新启动 Apache 服务。

    sudo apt-get -o DPkg::Options::="--force-confmiss" --reinstall install apache2
sudo service apache2 restart

  3. 或者，您可以卸载 Apache 及其所有配置文件，然后重新安装它。

    sudo apt-get purge apache2
sudo apt-get install apache2

  4. 最后，如果以上所有选项都不起作用，您可以尝试安装软件包libapache2-mod-php7.0或通过运行禁用 PHP7 模块

    sudo a2dismod php7.0

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