Tip of the day

Performance Tuning for Zabbix

For those who have no clue about what Zabbix is here is a short description as stated on Zabbix web site.
Zabbix is an enterprise-class open source distributed monitoring solution. In this article we will discuss about how to optimize MySQL as load on Zabbix might lead to various problems.

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Whitelist sender in Zimbra

If you are getting bounced emails with content like below, you will need to either contact the receipient to fix this or to whitelist his domain/email:

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How to run Virtualbox 5 on 4.4.1 kernel

Lots of people report some problems with dkms in order to run Virtualbox properly with latest 4 kernel. At the time being the latest kernel is 4.4.1.
The details below are based on Debian stable (jessie) but should work fine on other distributions as well.

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How to enable JRE plugin in OpenSuSE 13.1

Even if you install the rpm or sources from Sun the JRE plugin is not enabled by default under Firefox that shipped with latest OpenSuSE 13.1.
To sort out this just follow the simple steps outlined below.

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How to Prevent Creating Symbolic Links for non root users

Taken from WHT post:

I hate cpanels stance on this so we have created a patch and have been using for some time. It turns FollowSymLinks into SymLinksIfOwnerMatch at the apache source code level.

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grub-probe can’t find drive for /dev/xvda1

If you are getting following while doing “apt-get upgrade” try our solution below.

warning: grub-probe can’t find drive for /dev/xvda1.
grub-probe: error: cannot find a GRUB drive for /dev/xvda1. Check your device.map.

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Playing with printer

Printing in Linux sometimes is a pain especially when you are a newbie. Simple things like killing a job might not work via the GUI. This is where the terminal comes handy.

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Showing all hidden files in the current directory

Let’s say that you want to see only hidden (dot) files in a directory to edit a file you forget the name of or remove obsolete files. ls -a shows all files, including normally hidden ones, but that is often too noisy, and ls -a .* doesn’t do what you think it will.

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Patch 2.6.40 kernel on Fedora for VMware

If you’ve got issues with 2.6.40 kernel under Fedora and VMware workstation or server try to apply the patch below.

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How to find your BIOS version from Linux

If you are looking for your current BIOS version in order to upgrade it then all you need is one command.

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Installing Skype on Fedora 15

I’ve upgrade my Linux desktop a few days ago on Fedora 15 and tried to install Skype from the official rpms without any luck. All I’ve got is: skype: error while loading shared libraries: libXss.so.1: cannot open shared object file: No such file or directory

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How to set default storage engine

If you are looking for how to set default storage engine on Linux no matter the LAMPP setup read below.

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