Warning: If you update dovecot on CentOS 7, it will brake! You need to update one of the config files in order for it to keep working:

# /etc/dovecot/conf.d/15-mailboxes.conf
...

namespace inbox {
    ...
    inbox = yes
    ...
}
...

So, basically, you need to add inbox = yes within the inbox namespace.

I ran through hell today!

I tried doing things the old way. You know; edit /etc/sysconfig/network-scripts/ifcfg-eth1 in order to set it to a static IP. Well, bad idea.

I had all kinds of problems when the two interfaces where online (eth0 and eth1). For example:

• eth0, even …

Today, a client needed a Fedora > CentOS migration. I ended up migrating 12 servers with a LOT of configuration.

Mainly, what I did is to re-configuring kickstarts; four of them to be exact. Each of these had specific configurations and a kilometer-long post section.

The main issues were:

• Identifying which …