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This morning for the second day in a row, PHP on my server was unable to resolve the hostname to a IP via file_get_contents('http://newswebsite.com/feed.rss'), and service restart apache2 resolved the issue, but this was never an issue anyway.

There doesn't seem to be any errors in the apache logs. Are there any other places I can check for a misconfiguration or error logging ?

OS information

Distributor ID: Ubuntu
Description:    Ubuntu 14.04.150519
Release:        14.04
Codename:       trusty

Apache 2 version

Server version: Apache/2.4.7 (Ubuntu)
Server built:   Jul 15 2016 15:34:04

PHP Version

PHP 5.5.9-1ubuntu4.21 (cli) (built: Feb  9 2017 20:54:58)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
    with Zend OPcache v7.0.3, Copyright (c) 1999-2014, by Zend Technologies

IP Configuration

auto eth0
iface eth0 inet static
        address xx.xx.xx.106/27
        gateway xx.xx.xx.97
        dns-nameservers 8.8.8.8 8.8.4.4

iface eth0 inet6 static
        address xx:xx:xx:xx::100:1
        netmask 64
        gateway xx::xx:xx:xx:1
        dns-nameservers 2001:4860:4860::8888 2001:4860:4860::8844

/etc/hosts

127.0.0.1       localhost        lo
127.0.1.1       websrvA01

/etc/hostname

websrvA01
  • 1
    The /var/log directory contains all sorts of logs. Some of them may even be relevant. – Iain Mar 22 '17 at 8:05
  • Could be related to this question: serverfault.com/questions/839659/… – Gerald Schneider Mar 22 '17 at 8:08
  • how does you /etc/hosts and /etc/hostname look like? – Orphans Mar 22 '17 at 8:17
  • Added hosts and hostname to my question. – Sander Mar 22 '17 at 8:21
  • Apache does not do name resolutions of any kind and you are refering to a PHP function, so why do you look at Apache when you should look to PHP? – ezra-s Mar 22 '17 at 9:59

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