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Category: Linux

how to change shared memory linux kernel

Posted on January 26, 2019 by voidzzz

if you ever need to change the size of your kernel shared memory in linux due to some error like memory allocation error or other shared memory error, you might need to increase your shared memory size in linux kernel.

how to broadcast message using linux wall

Posted on January 26, 2019 by voidzzz

In linux/*nix, if your user have access to wall command, you can broadcast message to all users. Here is how to do it :

how to restart informix database linux

Posted on January 26, 2019January 26, 2019 by voidzzz

If you ever need to restart your informix database without restarting the whole linux system, follow the step by step below :

how to forward root mail in linux

Posted on January 9, 2013 by voidzzz

to forward mail sent to root in your linux box to another recipient, you can simply do the following:

linux how to remove files older than certain days

Posted on April 4, 2012 by voidzzz

this very easy linux command can be use to remove files older than certain days. Its very useful when you’re doing clean-up of old files.

How to manually add linux unix printer queue

Posted on March 21, 2012 by voidzzz

This how to will show you the dirty (but fast way) of adding printer queue to your linux or unix box.

how to clone root account in linux

Posted on June 9, 2009 by voidzzz

if you want to make your account have the same right as root, you can clone root / duplicate root account. Here’s how to do that :

how to change ubuntu root password

Posted on January 1, 2009 by voidzzz

some of you might still asking how can we change root password on ubuntu linux installation. well here’s the easiest step to do that.

how to block yahoo messenger with squid and iptables

Posted on October 9, 2008October 9, 2008 by voidzzz

there are a lot of home users using instant messenger (yahoo messenger is one of it) but almost all company forbid their employee to use it with several reason such as time wasting, productivity issue, security issue, company data leakage, etc.

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