After a reboot i only got a blincking cursor.
Any idees how to fix :-(

Steffan

-----Oorspronkelijk bericht-----
Van: Blueonyx [mailto:blueonyx-boun...@mail.blueonyx.it] Namens Michael Stauber
Verzonden: zaterdag 6 januari 2018 02:46
Aan: blueonyx@mail.blueonyx.it
Onderwerp: [BlueOnyx:21641] Aventurin{e} 6108R & BlueOnyx: Sceptre / Meltdown 
and Kernels

Hi all,

As you all might be aware from the news of the last few days: Major flaws have 
been uncovered in Intel CPUs and to some degree also in CPUs from other 
manufacturers such as AMD.

All OS vendors and maintainers have rushed to kick Updates out of the door that 
address these vulnerabilities. By this time CentOS and Scientific Linux kernel 
updates are out.

Please make sure that your BlueOnyx servers are fully updated and *also* make 
sure that they are now actually running the latest kernel. This might require a 
reboot so that the updated kernel installed via the last YUM update gets put 
into effect.

You can check this way which kernel you are currently running and what the 
latest kernel used upon boot is:

Current Kernel:

uname -r

Newest installed Kernel:

cat /boot/grub/grub.conf|grep title


Aventurin{e} 6108R:
====================

Parallels is giving the EL7 kernel a higher priority than the EL6 kernel. And 
neither of them is (so far) available to the public. Which is far from being 
ideal.

However: A third party has taken the latest OpenVZ EL6 kernel
(2.6.32-042stab126.2) and has patched it with the security updates from the 
RedHat 2.6.32-696-18.7 kernel.

I took the SRPM of that third party OpenVZ kernel, examined it and the patches 
and although I am no kernel expert I think this might be OK. At least until the 
time that OpenVZ releases an official OpenVZ 6 kernel that fixes the issues in 
a way that they deem best.

I am running several nodes with the new kernel myself and so far I encountered 
no problems aside from the expected performance impact that all of these fixes 
introduce.

The fixed (unofficial) OpenVZ 6 kernel for Aventurin{e} 6108R is now in the 
OS-Updates YUM repository and has the version number 2.6.32-042stab126.666. The 
latest "bad" kernel (with the security flaws) is named 2.6.32-042stab126.2.

As noted above: After the updated Kernel has been installed via "yum update" 
you do need to reboot in order for the new kernel to be put into effect.

--
With best regards

Michael Stauber
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