01 Jul 10 Implementing DNS backup
Maintaining a backup DNS server is an example of prudent planning, even if you don’t run a major website. With backup DNS, you can ensure the timely delivery of your e-mail if your server should ever go down, or if you use an external e-mail service such as Google Apps. It will also give your visitors an entirely different error message when your site is down– a connection failure message as opposed to your site not being found.
Backup DNS servers are quite easy to set up. You can use one of the many backup services on the Internet, or you can arrange your own backup servers, configuring the zone files appropriately. But one of the most important adjustments that needs to be made is often overlooked: adjustment of your named.conf file, which controls your nameserver, which in turn is the heart of your server.
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Tags: backup, bind, dns, named
24 Oct 08 rsync over SSH, SSH key login, public keys, automated backups
This tutorial will cover how to set up a simple backup job between two machines using rsync and ssh. You will need HOST A and HOST B, whereby HOST B is your target backup service.
On HOST B:
mv ~/.ssh/id_rsa ~/.ssh/identity
cat ~/.ssh/id_rsa.pub
Tags: archive, automated backup, automatic backup, backup, public key, rsync, ssh, ssh key, ssh public key
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I'm Adam Palmer, and I'm a PHP Programmer, Web Security Consultant, and Linux Consultant.
I run 'APNIC Solutions Ltd' and spend most of my time consulting, managing server clusters, and writing PHP, whilst what little spare time I have is dedicated to playing with gadgets.
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