大佬教程收集整理的这篇文章主要介绍了在Ubuntu运行无人值守升级会话后,PHP抛出服务器错误 – 以何种方式确定原因？，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
PHP_network_getaddresses：getaddrinfo失败：名称或服务未知
此消息似乎与网络/ DNS相关.服务器日志清楚地表明,在第一次发生错误的时候,Ubuntu启动了无人值守升级会话.我将附加下面的dpkg.log的输出.
我们使用外部数据库服务器.
我们决定重新启动网络服务器,这解决了这个问题,但现在的问题是：
有什么方法可以找出这个问题的根本原因,以便将来可以阻止它吗？
unattended-upgrades.log的输出：
2017-03-21 15:01:56,279 INFO Starting unattended upgrades script 2017-03-21 15:01:56,279 INFO Allowed origins are: ['o=Ubuntu,a=xenial','o=Ubuntu,a=xenial-security'] 2017-03-21 15:02:03,365 INFO Packages that will be upgraded: libc-bin libc-dev-bin libc6 libc6-dev libfreetype6 locales multiarch-support 2017-03-21 15:02:03,365 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg.log' 2017-03-21 15:02:12,851 INFO All upgrades installed
dpkg.log的输出：
2017-03-21 15:02:03 startup archives unpack 2017-03-21 15:02:03 upgrade libc6-dev:amd64 2.23-0ubuntu5 2.23-0ubuntu6 2017-03-21 15:02:03 status half-configured libc6-dev:amd64 2.23-0ubuntu5 2017-03-21 15:02:03 status unpacked libc6-dev:amd64 2.23-0ubuntu5 2017-03-21 15:02:03 status half-installed libc6-dev:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status half-installed libc6-dev:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status unpacked libc6-dev:amd64 2.23-0ubuntu6 2017-03-21 15:02:04 status unpacked libc6-dev:amd64 2.23-0ubuntu6 2017-03-21 15:02:04 upgrade libc-dev-bin:amd64 2.23-0ubuntu5 2.23-0ubuntu6 2017-03-21 15:02:04 status half-configured libc-dev-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status unpacked libc-dev-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status half-installed libc-dev-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status triggers-pending man-db:amd64 2.7.5-1 2017-03-21 15:02:04 status half-installed libc-dev-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status unpacked libc-dev-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:04 status unpacked libc-dev-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:04 upgrade libc6:amd64 2.23-0ubuntu5 2.23-0ubuntu6 2017-03-21 15:02:04 status triggers-pending libc-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status half-configured libc6:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status unpacked libc6:amd64 2.23-0ubuntu5 2017-03-21 15:02:04 status half-installed libc6:amd64 2.23-0ubuntu5 2017-03-21 15:02:05 status half-installed libc6:amd64 2.23-0ubuntu5 2017-03-21 15:02:05 status unpacked libc6:amd64 2.23-0ubuntu6 2017-03-21 15:02:05 status unpacked libc6:amd64 2.23-0ubuntu6 2017-03-21 15:02:05 startup packages configure 2017-03-21 15:02:05 configure libc6:amd64 2.23-0ubuntu6 <none> 2017-03-21 15:02:05 status unpacked libc6:amd64 2.23-0ubuntu6 2017-03-21 15:02:05 status unpacked libc6:amd64 2.23-0ubuntu6 2017-03-21 15:02:05 status half-configured libc6:amd64 2.23-0ubuntu6 2017-03-21 15:02:05 status installed libc6:amd64 2.23-0ubuntu6 2017-03-21 15:02:05 trigproc libc-bin:amd64 2.23-0ubuntu5 <none> 2017-03-21 15:02:05 status half-configured libc-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:05 status installed libc-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:05 trigproc man-db:amd64 2.7.5-1 <none> 2017-03-21 15:02:05 status half-configured man-db:amd64 2.7.5-1 2017-03-21 15:02:05 status installed man-db:amd64 2.7.5-1 2017-03-21 15:02:05 startup archives unpack 2017-03-21 15:02:05 upgrade locales:all 2.23-0ubuntu5 2.23-0ubuntu6 2017-03-21 15:02:05 status half-configured locales:all 2.23-0ubuntu5 2017-03-21 15:02:05 status unpacked locales:all 2.23-0ubuntu5 2017-03-21 15:02:05 status half-installed locales:all 2.23-0ubuntu5 2017-03-21 15:02:06 status triggers-pending man-db:amd64 2.7.5-1 2017-03-21 15:02:06 status half-installed locales:all 2.23-0ubuntu5 2017-03-21 15:02:06 status unpacked locales:all 2.23-0ubuntu6 2017-03-21 15:02:06 status unpacked locales:all 2.23-0ubuntu6 2017-03-21 15:02:06 upgrade libc-bin:amd64 2.23-0ubuntu5 2.23-0ubuntu6 2017-03-21 15:02:06 status half-configured libc-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:06 status unpacked libc-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:06 status half-installed libc-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:06 status half-installed libc-bin:amd64 2.23-0ubuntu5 2017-03-21 15:02:06 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:06 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:06 trigproc man-db:amd64 2.7.5-1 <none> 2017-03-21 15:02:06 status half-configured man-db:amd64 2.7.5-1 2017-03-21 15:02:07 status installed man-db:amd64 2.7.5-1 2017-03-21 15:02:07 startup packages configure 2017-03-21 15:02:07 configure libc-bin:amd64 2.23-0ubuntu6 <none> 2017-03-21 15:02:07 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status unpacked libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status half-configured libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status installed libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 startup archives unpack 2017-03-21 15:02:07 upgrade multiarch-support:amd64 2.23-0ubuntu5 2.23-0ubuntu6 2017-03-21 15:02:07 status half-configured multiarch-support:amd64 2.23-0ubuntu5 2017-03-21 15:02:07 status unpacked multiarch-support:amd64 2.23-0ubuntu5 2017-03-21 15:02:07 status half-installed multiarch-support:amd64 2.23-0ubuntu5 2017-03-21 15:02:07 status half-installed multiarch-support:amd64 2.23-0ubuntu5 2017-03-21 15:02:07 status unpacked multiarch-support:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status unpacked multiarch-support:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 startup packages configure 2017-03-21 15:02:07 configure multiarch-support:amd64 2.23-0ubuntu6 <none> 2017-03-21 15:02:07 status unpacked multiarch-support:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status half-configured multiarch-support:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status installed multiarch-support:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 startup archives unpack 2017-03-21 15:02:07 upgrade libfreetype6:amd64 2.6.1-0.1ubuntu2 2.6.1-0.1ubuntu2.1 2017-03-21 15:02:07 status triggers-pending libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status half-configured libfreetype6:amd64 2.6.1-0.1ubuntu2 2017-03-21 15:02:07 status unpacked libfreetype6:amd64 2.6.1-0.1ubuntu2 2017-03-21 15:02:07 status half-installed libfreetype6:amd64 2.6.1-0.1ubuntu2 2017-03-21 15:02:07 status half-installed libfreetype6:amd64 2.6.1-0.1ubuntu2 2017-03-21 15:02:07 status unpacked libfreetype6:amd64 2.6.1-0.1ubuntu2.1 2017-03-21 15:02:07 status unpacked libfreetype6:amd64 2.6.1-0.1ubuntu2.1 2017-03-21 15:02:07 trigproc libc-bin:amd64 2.23-0ubuntu6 <none> 2017-03-21 15:02:07 status half-configured libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status installed libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 startup packages configure 2017-03-21 15:02:07 configure libc-dev-bin:amd64 2.23-0ubuntu6 <none> 2017-03-21 15:02:07 status unpacked libc-dev-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status half-configured libc-dev-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status installed libc-dev-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 configure libc6-dev:amd64 2.23-0ubuntu6 <none> 2017-03-21 15:02:07 status unpacked libc6-dev:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status half-configured libc6-dev:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 status installed libc6-dev:amd64 2.23-0ubuntu6 2017-03-21 15:02:07 configure locales:all 2.23-0ubuntu6 <none> 2017-03-21 15:02:07 status unpacked locales:all 2.23-0ubuntu6 2017-03-21 15:02:07 status unpacked locales:all 2.23-0ubuntu6 2017-03-21 15:02:07 status half-configured locales:all 2.23-0ubuntu6 2017-03-21 15:02:11 status installed locales:all 2.23-0ubuntu6 2017-03-21 15:02:11 configure libfreetype6:amd64 2.6.1-0.1ubuntu2.1 <none> 2017-03-21 15:02:11 status triggers-pending libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:11 status unpacked libfreetype6:amd64 2.6.1-0.1ubuntu2.1 2017-03-21 15:02:11 status half-configured libfreetype6:amd64 2.6.1-0.1ubuntu2.1 2017-03-21 15:02:11 status installed libfreetype6:amd64 2.6.1-0.1ubuntu2.1 2017-03-21 15:02:11 trigproc libc-bin:amd64 2.23-0ubuntu6 <none> 2017-03-21 15:02:11 status half-configured libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:11 status installed libc-bin:amd64 2.23-0ubuntu6 2017-03-21 15:02:11 startup packages configure
以下是此问题的Ubuntu错误,它确认了我们所看到的内容：https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1674532
更新：此问题已得到修复.
见上述报告中的评论#16,#17和#18.更新libc应该可以解决问题.建议重新启动以确保在更新期间运行的任何正在运行的进程都使用此库保持正常运行.
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