Αναρτήθηκε από: ktogias | Ιουλίου 18, 2008

Setting up the hostname at ubuntu so that apache does not complain about server’s domain name

From 04 Feb 2010 ktogias blog has been moved to blog.ktogias.gr. To read updates and new comments and comment on this post please go to: http://blog.ktogias.gr/2008/07/18/setting-up-the-hostname-at-ubuntu-so-that-apache-does-not-complain-about-servers-domain-name/

When setting up LAMP on ubuntu 8.04 I noticed that apache was producing this warning when started:

apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName

After some googling I found out the way to setup the machines hostname so that apache does not produce this warning.

Set the machine’s hostname to that resolved to its ip and edit /etc/hosts file and make it look like this:

127.0.0.1                    localhost.localdomain localhost
[ethernet interface ip]   [full hostname with the domain] [hostname]

# The following lines are desirable for IPv6 capable hosts
[ipv6 related lines – leave unchanged]

eg. if your ip is 1.2.3.4 and the domain name for this ip is mypc.example.com you have to set your hostmname to mypc and edit /etc/hosts like this:

127.0.0.1     localhost.localdomain localhost
1.2.3.4        mypc.example.com mypc

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

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