Re: [OpenNode-users] issue about installing Open node

[<ope...@li...>]

If CentOS does not support your video card at all - then yes - only 
solution would be installing pure CentOS in text mode (which we dont 
support in OpenNode installer yet).
Have you tried known CentOS installer boot options with OpenNode CD to 
set resolution to some basic default (like 800x600 or 640x480) etc? 
Often installer sets video card resolution automatically too high for 
attached monitor - therefor black screen will happen.

Anyway there is also possibility to install OpenNode on existing CentOS 
installation - but you must ensure that some basic requirements are met 
- I'll try to describe what should be needed:

1) there must be /storage and /vz  folders (on OpenNode they are 
separate LVM LV-s)
2) you must disable kernel libvirt and kvm updates from all other repos 
except opennode repo

nano -w /etc/yum.repos.d/CentOS-Base.repo
--- ADD to BASE and UPDATES and ADDONS and EXTRAS and CENTOSPLUS and CONTRIB ---
priority=1
exclude=kernel libvirt* kvm* kmod-kvm*
--- ADD to BASE and UPDATES and ADDONS and EXTRAS and CENTOSPLUS and CONTRIB ---

3) install opennode repo file

nano -w /etc/yum.repos.d/opennode
--- PASTE ---
[opennode]
name=CentOS-$releasever - activesys opennode packages for $basearch
baseurl=http://opennode.activesys.org/CentOS/$releasever/opennode
enabled=1
gpgcheck=1
protect=1
priority=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ActiveSys

[opennode-test]
name=CentOS-$releasever - activesys opennode packages for $basearch
baseurl=http://opennode.activesys.org/CentOS/$releasever/opennode-test
enabled=0
gpgcheck=1
protect=1
priority=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ActiveSys
--- PASTE ---

4) Do yum update - this should pull ovzkernel, kvm, libvirt and opennode 
packages from opennode repo

5) check /etc/sysctl.conf for entries that are needed for VZ - add if 
these lines are not there:

nano -w /etc/sysctl.conf
--- MODIFY ---
# On Hardware Node we generally need
# packet forwarding enabled and proxy arp disabled
net.ipv4.ip_forward = 1
 
# Enables the magic-sysrq key
kernel.sysrq = 1
--- MODIFY ---
 
--- ADD ---
# OpenVZ
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.send_redirects = 1
# this is enabled for veth bridge setup
net.ipv4.conf.default.proxy_arp = 1
--- ADD ---

6) Disable SELinux and disable firewall alltogether - or DNS inside VZ containers will not work!
system-config-securitylevel-tui

7) After reboot verify that you are running ovzkernel
uname -a


Let me know how this procedure works for you - it might be that I missed 
some little details and I'll try to look these up then if any problems 
arise.

Regards,

----------------------------------------------
Andres Toomsalu, an...@ac...



ope...@li... wrote:
> Greetings
>
> I don't know which one to email so i am going to email both i hopes to 
> find a solution to this issue so here it goes.
>
> i am trying to install Open Node,  i really like what i see however, i 
> am running into an issue. i am installing it on hardware that centos 
> has issue with the video and there isn't an alt option to install it 
> on this hardware platform as it only has the "boot" option.  is there 
> a way to not have the default drivers loaded or perhaps some step by 
> step instructions to install Open Node on an existing Centos machine?
>
> Thank you for your time and assistance
>
> Sincerely
>
> GGD
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