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CentOS Yum update problem. Playing around with 'Host in a Box'
I am using this neat OS template 'Host in a box' based upon CentOS and I must say I am impressed by the ease of 'setting it up'.
However I am having som issues updating CentOS itself.
After disabling the fastmirror plugin, since this is a LEB it didn't run properly because it didn't have enough RAM, it complains about the following:
Running rpm_check_debug
ERROR with rpm_check_debug vs depsolve:
qmail is needed by ripmime-toaster
qmail is needed by courier-authlib-toaster
qmail is needed by simscan-toaster
smtpdaemon is needed by fetchmail
qmail-toaster is needed by (installed) courier-imap-toaster
Complete!
(1, ['Please report this error in bugzilla'])
So my solution was to remove qmail and to reinstall it afterwards. Problem is that qmail has several depencies that will removed as well which breaks quite a lot.
I found just 1 user on the web with exactly the same problem but sadly without a solution (http://www.reddit.com/r/techsupport/comments/16w2tb/centos_yum_update_problem_requesting_help_from/)
Do you guys have an idea how I can fix it so CentOS can update without issues?
If it's too much of a hassle, I'll set it up on Ubuntu. I just liked this concept, pretty neat 
Comments
Little off topic --
Edit named.conf and set recursion to no, otherwise you'll be an unwilling participant in DNS amplifications attacks when someone stumbles on the box.
What i notice is that if you try to update HIB, it pretty much becomes unusable.. I know you are only trying to update centos but thought you should know.
@connercg So that is the hole that is discussed in the cloudflare blog post about DNS servers facilitating these attacks? Seems an easy fix. I'll check all my BIND configs.
I don't think kloxo work on Ubuntu.
kloxo works ok on on 128m.
it works fine on cento 5.x.
It can be updated, I did it myself a few times, however,t he kloxo install does not work updating from web interface, will give http 500 at one time, need to be updated from CLI.
Update Kloxo first.
Edit named.conf and set recursion to no, otherwise you'll be an unwilling participant in DNS amplifications attacks when someone stumbles on the box.
Thanks for the headsup!
Hmm OK, so it basically relies on specific packages, right?
Update Kloxo first.
I am doing this from the CLI. I'll try and update Kloxo first.
Thanks!
@Freek to answer your OP, no. And I'm sure you see all the guides steering you towards rebuilds... This is why I got away from CentOS
You will have a few hundred early gray hairs before you realize how bad and unnecessary it is to build from source
@MTUser2012 yes this is the issue that was discussed. ZPanel had this issue, and it was corrected and committed to their code when I among others advised the devs of the issue. I became aware of it when a VPS with one of the bigger providers here was suspended for network abuse. I had Kloxo installed on the VPS and low and behold -- recursion was set to yes, I nuked the VPS and loaded Nginx and uninstalled bind.
I periodically see named abusing the CPU even... It is not so visible in our case since there is a lot of traffic with the plans and we are used with ppl doing 100mbps+ for extended periods of time, but when named goes abusing the CPU then you know the problem is huge.
bind was abusing my CPU for some reason. Anyway, I know enough for now. Basically just don't update CentOS if jusing Host-in-a-Box....