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diff --git a/chapter07/hosts.xml b/chapter07/hosts.xml new file mode 100644 index 000000000..676291981 --- /dev/null +++ b/chapter07/hosts.xml @@ -0,0 +1,83 @@ +<sect1 id="ch09-hosts"> +<title>Creating the /etc/hosts file</title> + +<para> +If you want to configure a network card, you have to decide on the +IP-address, FQDN and possible aliases for use in the /etc/hosts file. An +example is: +</para> + +<blockquote><literallayout> + + <my-IP> myhost.mydomain.org aliases + +</literallayout></blockquote> + +<para> +Make sure the IP-address is in the private network IP-address range. +Valid ranges are: +</para> + +<blockquote><literallayout> + + Class Networks + A 10.0.0.0 + B 172.16.0.0 through 172.31.0.0 + C 192.168.0.0 through 192.168.255.0 + +</literallayout></blockquote> + +<para> +A valid IP address could be 192.168.1.1. A valid FQDN for this IP could +be www.linuxfromscratch.org +</para> + +<para> +If you're not going to use a network card, you still need to come up with a +FQDN. This is necessary for programs like Sendmail to operate correctly (in +fact; Sendmail won't run when it can't determine the FQDN). +</para> + +<para> +If you don't configure a network card, create a new file +<filename>/etc/hosts</filename> by running: +</para> + +<literallayout> + +<userinput>cat > /etc/hosts << "EOF"</userinput> +# Begin /etc/hosts (no network card version) + +127.0.0.1 www.mydomain.com <value of HOSTNAME> localhost + +# End /etc/hosts (no network card version) +<userinput>EOF</userinput> + +</literallayout> + +<para> +If you do configure a network card, create a new file +<filename>/etc/hosts</filename> containing: +</para> + +<literallayout> + +<userinput>cat > /etc/hosts << "EOF"</userinput> +# Begin /etc/hosts (network card version) + +127.0.0.1 localhost.localdomain localhost +192.168.1.1 www.mydomain.org <value of HOSTNAME> + +# End /etc/hosts (network card version) +<userinput>EOF</userinput> + +</literallayout> + +<para> +Of course, change the 192.168.1.1 and www.mydomain.org to your own +liking (or requirements if you are assigned an IP-address by a network/system +administrator and you plan on connecting this machine to that network). +</para> + +</sect1> + |