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wpwood3 22nd October 2007 23:56

64bit ISPConfig / Perfect Setup CentOS 5
I will be getting a new server next week...

Are there any known issues running ISPConfig / Perfect Setup CentOS 5 in 64bit vs 32bit?

I've been running a test server with a 32bit setup and have had no problems. I can't test the 64bit setup since my test server doesn't have a 64bit capable cpu.

till 23rd October 2007 09:59

I'am not aware of any problems on ContOS 5 64Bit with ISPConfig.

wpwood3 23rd October 2007 17:42

Thanks Till

If I discover any modifications needed to the HowTo, I'll post them so others can benefit.

nightdude 26th October 2007 21:31

64 bit server
I've been using ISP config on a CentOS 5 64 bit system since August with no problems at all.

wpwood3 2nd November 2007 02:24

Notes from CentOS 5 64bit Perfect Setup install
Ok, I just finished my Perfect Setup 64bit install on CentOS 5. Most everything is the same as the 32bit HowTo but, I had a few minor things I wanted to highlight while this is fresh in my memory:

Step 10 MySQL (5.0)

When you do this:

yum install mysql mysql-devel mysql-server
It installs the 32bit AND 64bit mysql and mysql-devel packages.
That could be a problem so I removed mysql.i386 and mysql-devel.i386. Now I only have the 64bit packages installed as shown below:

Installed Packages
mysql.x86_64                            5.0.22-        installed     
mysql-devel.x86_64                      5.0.22-        installed     
mysql-server.x86_64                      5.0.22-        installed
Available Packages
mysql.i386                              5.0.22-        updates       
mysql-devel.i386                        5.0.22-        updates

Step 11 Postfix With SMTP-AUTH And TLS

When you telnet into localhost 25 and do "ehlo localhost" the HowTo says to look for


...but what you actually get is


Step 13 ProFTPd

ProFTPd is compiled from source in the HowTo.
Many of us prefer to use yum so we can get updates easier.
The rpmforge repository has ProFTPd available via yum if you add their repository. More info here:

Then all you have to do is:

yum install proftpd
will give you:

proftpd.x86_64                          1.3.1-1.el5.rf        rpmforge
It installs as /usr/sbin/proftpd by default so no symlink is needed. it's on to my ISPConfig install :D

wpwood3 3rd December 2007 03:11

CentOS 5.1 64bit - Dovecot config changes needed
CentOS 5.1 was released today. One thing in the release notes caught my eye since I am running the 64bit version:


The Dovecot package on x86_64 kernels requires the parameter "login_process_size = 64" to be added to /etc/dovecot.conf after an upgrade to CentOS 5.1.
More info HERE.

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