Upgradation of Linux

[dhananjay_1]

Hello !

We are using Rehdat 7.1 for Web Server, DNS server,Squid and as a firewall.Which is running on a desktop machine now we wnat to move this on HP ML370 Server with Redhat ES 3.0 can any body tell me which is the fast way I can move this ( Web Server, DNS server,Squid and as a firewall) on to my new server.

Pls suggest me how to do it .


Regds
Dhananjay

[Ross Minkov]

Dhananjay,

1. Install RHEL3 on the new server. Note that RHEL3 is not free as RH Linux 7.1 was. So if you haven't done so, you have to buy a copy from Red Hat.
2. Install apache (web server), bind (dns server) and squid.
3. Configure apache by looking at the configuration on the old server; DO NOT JUST COPY CONFIG FILES OVER. The format will be different. RHEL3 will come with apache 2.x and your old server runs apache 1.x
4. Configure bind by looking at the configuration on the old server; some config files you might be able to copy, other fall the same rule as above.
5. same for squid
6. configure iptables (firewall)

Make sure you configure them one at a time and test after each step.

If you run into any specific problems, come back to the linux forum here and post it. We'll try to help.

Regards,
Ross

[Gopi Sekar]

RH does not support and recommend upgrade of one version to another. So you have to start from scratch for your new server.

Install ES3 on a separate machine, configure individual services as per your requirement (there are some GUI based configuration tools available with RH). copy the required data from old machine to the new machine and bring up the new machine.

If you have not yet bought RHES 3 and planning to , then better buy RH 4 which is far better and runs on 2.6 kernel. Also RH 4 will live for atleast another 2 years.

Regards,
Gopi

[Steven E. Protter]

You can not do the upgrade you propose.

If you try you get a message offering you the chance to do a destructive cold install.

I have done the "upgrade" as you call it. I backed up important data and configuration on another machine and had a written plan before I started.

Good Luck.

SEP

[C. Beerse_1]

If you are not hooked to RH es 3, you can also peek to dedicated linux distributions for this purpose. For example ClarkConnect. It is based on RedHats Fedora distro and comes in both free and commercial package: http://www.clarkconnect.org/ and http://www.clarkconnect.com/.

The installation and configuration is relatively fast since it is already roughly tuned to your purpose.

In the end, for both RHES3 and CC, you need to move the configuration manually since most packages are updated, after which you can move the data (webpages, dns-data and such).

[dhananjay_1]

Thanks Everybody !