kernel

OnApp: VM created using a User Template not booting

Tags: bootkernelkvmOnAppVMxen

Published on : February 15, 2018 by

OnApp: VM created using a User Template not booting

In OnApp Cloud platform, we can create custom template (Image) of any running reference VM, which can be used to create VMs with similar configuration. The Error: Sometimes, when we create a VM using a user template, it may not boot. If we get into console, the booting process will be stuck at GRUB with […]

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CRITICAL : One more kernel exploit known to the public

Tags: exploitskernelsecurity in linux

Published on : September 17, 2010 by

CRITICAL : One more kernel exploit known to the public

A continuation of the previous exploits. http://isec.pl/vulnerabilities/isec-0025-syscall-emulation.txt Full Disclosure here  – http://seclists.org/fulldisclosure/2010/Sep/268 & mitigation at http://seclists.org/fulldisclosure/2010/Sep/273 Details about the 0 day exploit and how to test whether your system is exploitable or not. However no need to get panicked as this particular exploit was with l33t hackers for last 2 years as you can see […]

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How to recompile Kernel?

Tags: kernelLinuxmenuconfigmkinitrdmrproperpatchrecompile

Published on : October 3, 2009 by

How to recompile Kernel?

Recompile Kernal Compiling custom kernel has its own advantages and disadvantages.  It helps to optimize the kernel to your environment (hardware and usage patterns).  I shall try to guide you through the steps on recompile kernel Step 1: Download the kernel source cd /usr/local/src wget  http://www.kernel.org/pub/linux/kernel/v2.6/linux-x.y.z.tar.bz2 Note: Replace x.y.z with actual version number. Step 2: Extract […]

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