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Nimeshi995

: Apache not working on AWS Linux after reboot - 301 Response code I have setup an EC2 instance with the Amazon Linux image and installed LAMP and Wordpress as per the Amazon docs. It works

@Nimeshi995

Posted in: #AmazonAws #Apache #Linux #Php #Wordpress

I have setup an EC2 instance with the Amazon Linux image and installed LAMP and Wordpress as per the Amazon docs.

It works fine, serves the default Wordpress page, but as soon as the instance is rebooted the web server no longer appears to work. The index page is no longer served. Curling localhost returns empty.

I'm not sure what config is lost on reboot. Apache and MYSQL are running and are setup to run on boot.

When I try and curl localhost and I look at the apache access log I see:

::1 - - [17/Jun/2017:00:56:26 +0000] "GET / HTTP/1.1" 301 350 "-" "curl/7.35.0"
::1 - - [17/Jun/2017:00:59:19 +0000] "GET / HTTP/1.1" 301 350 "-" "curl/7.35.0"
::1 - - [17/Jun/2017:00:59:21 +0000] "GET / HTTP/1.1" 301 350 "-" "curl/7.35.0"


Here is my httpd.conf

ServerRoot "/etc/httpd"
Listen 80

Include conf.modules.d/*.conf

User apache
Group apache

ServerAdmin root@localhost

<Directory />
AllowOverride none
Require all denied
</Directory>

DocumentRoot "/var/www/html"

<Directory "/var/www">
AllowOverride None
# Allow open access:
Require all granted
</Directory>

# Further relax access to the default document root:
<Directory "/var/www/html">
Options Indexes FollowSymLinks

AllowOverride All

Require all granted
</Directory>

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

<Files ".ht*">
Require all denied
</Files>

ErrorLog "logs/error_log"

LogLevel warn

<IfModule log_config_module>

LogFormat "%h %l %u %t "%r" %>s %b "%{Referer}i" "%{User-Agent}i"" combined
LogFormat "%h %l %u %t "%r" %>s %b" common

<IfModule logio_module>
# You need to enable mod_logio.c to use %I and %O
LogFormat "%h %l %u %t "%r" %>s %b "%{Referer}i" "%{User-Agent}i" %I %O" combinedio
</IfModule>

CustomLog "logs/access_log" combined
</IfModule>

<IfModule alias_module>
ScriptAlias /cgi-bin/ "/var/www/cgi-bin/"

</IfModule>

<Directory "/var/www/cgi-bin">
AllowOverride None
Options None
Require all granted
</Directory>

<IfModule mime_module>
TypesConfig /etc/mime.types
AddType application/x-compress .Z
AddType application/x-gzip .gz .tgz
AddType text/html .shtml
AddOutputFilter INCLUDES .shtml
</IfModule>

AddDefaultCharset UTF-8

<IfModule mime_magic_module>
MIMEMagicFile conf/magic
</IfModule>

EnableSendfile on

IncludeOptional conf.d/*.conf


Response Headers from curl -v

[ec2-user@ip-x-x-x-x ~]$ curl -v localhost
* Rebuilt URL to: localhost/
* Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 80 (#0)
> GET / HTTP/1.1
> Host: localhost
> User-Agent: curl/7.51.0
> Accept: */*
>
< HTTP/1.1 301 Moved Permanently
< Date: Sat, 17 Jun 2017 23:46:00 GMT
< Server: Apache/2.4.7 (Ubuntu)
< X-Powered-By: PHP/5.5.9-1ubuntu4.21
< X-Pingback: ec2-x-x-x-x.x-x-2.x.amazonaws.com/xmlrpc.php < Location: ec2-x-x-x-x.x-x-2.x.amazonaws.com < Content-Length: 0
< Content-Type: text/html; charset=UTF-8
<
* Curl_http_done: called premature == 0
* Connection #0 to host localhost left intact

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@Hamaas447

I figured out the issue. When an AWS instance is rebooted, the DNS address changes. As I am using Wordpress, I need to update the siteurl and home url in the MySQL Database for the wordpress site to the new DNS address.

In the pictures below for example localhost should be replaced with the DNS address of the instance. When the instance reboots, this will need to be replaced again with the new DNS address and so on, every time the instance reboots. Really I should have used a static DNS address to save me the pain of this issue :)

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