Monthly Archives: March 2014

Article about ACL.

To those, like me, who don’t feel very comfortable with ACL (Access Control List), I advise them to look at this SuSE article from 2003 that almost explains everything about this subject.

Posted in RHEL6

Kernel hot patching.

Everything started in 2009, when two researchers from the MIT, J.Arnold and F.Kaashoek, wrote an academic paper about “Automatic Rebootless Kernel Updates”. In this paper, they explained the state of the art in kernel hot patching and what approaches they took

Posted in RHEL7

RHEL 7 for 64-bit ARM servers in progress.

With RHEL7, RedHat decided to stop any 32-bit version of its distribution. Anticipating the market evolution, the company is now working on a 64-bit ARM architecture called AArch64. Yesterday, Jon Masters, RedHat ARM architect, gave a conference showing a demo of

Posted in RHEL7

RHCSA7: Task of the day

Allowed time: 5 minutes.
Create a new user account called "bob" with password "redhat" and set expiration in one week.

RHCE7: Task of the day

Allowed time: 10 minutes.
Set up a NFS server that exports the /opt directory in read-only mode.

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Poll for favorite RHEL 7 book

What is your favorite RHEL 7 book to prepare RHCSA & RHCE exams?

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Poll for most difficult RHCSA 7 topic

What do you think is the most difficult RHCSA 7 topic?

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Poll for most difficult RHCE 7 topic

What do you think is the most difficult RHCE 7 topic?

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