Linux

Forgot to mention kernel update

ByEtzion 17/06/2006

Kernel version 2.6.16.9, so I will supply its config file here config-2.6.16.9.txt. Same procedure as before.

Good luck.

Disk Storage | Linux

Hot adding Qlogic LUNs – the new method
ByEtzion 08/08/200807/04/2020

I have demonstrated how to hot-add LUNs to a Linux system with Qlogic HBA. This has become irrelevant with the newer method, available for RHEL4 Update 3 and above. The new method is as follow: echo 1 > /sys/class/fc_host/host/issue_lip echo “- – -” > /sys/class/scsi_host/host/scan< Replace "<ID>" with your relevant HBA ID. Notice - due...

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Disk Storage | Linux | Scripting/Programming

MySQL permissions for LVM Snapshots
ByEtzion 23/10/2008

aking LVM snapshots as a mean of backing up MySQL is rather simple, as can be described here. However, if you are into security, you would strive to grant minimal permissions for the action to the MySQL user. Per MySQL Documentation, the required privileges is “RELOAD”. That should be enough, granted on *.*, of course….

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Disk Storage | Linux

Linux LVM explained
ByEtzion 11/07/202011/07/2020

You can find bazillion sites explaining Linux LVM, however, I am preparing for my next article, about partition resize for the advanced user, and LVM deep understanding is required, so I have decided to explain some of the internals of LVM for the advanced user. This explains the how it is built more than the…

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bash | Linux | Scripting/Programming

Allow Postfix to call custom scripts by using mail aliases
ByEtzion 11/01/202411/01/2024

Using custom mail aliases to run scripts is an existing practice. However, on modern Linux distributions it is blocked as a security risk. Following Postfix common guidelines do not allow for it to run the scripts. It reports the script as called, however – it does actually nothing. This has been verified on Oracle Linux…

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Linux

My menuscript for a happy Ubuntu 64 bit installation
ByEtzion 19/03/2007

I have been extremely busy for the last few weeks and couldn’t find time to update my blog, so apologies are in place. I am sorry, and I will add later this week several tips and tricks about BASH scripting, which might save time and effort for those of you who use if for more…

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Linux

RHEL5 100% CPU with LDAP client for Active Directory
ByEtzion 05/06/2009

ADS integration has been available natively since Windows 2003 R2, and in heterogeneous sites this has become the preferred method of integrating login information, as well as utilizing the added security of using Kerberos wherever possible. The following guide is a very good one, and was the source of information I have used throughout my…

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