When you are working with EMC support, or any other EMC vendors, they’ll ask for SP collect information from your EMC CLARiiON storage array. The spcollect zip file will provide them all the information they need to know about your storage array.
This tutorial explains how to execute SP collect on EMC storage array from both Navisphere and Command Line using navicli.
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Linux time command is helpful to identify the time taken by a command.
Using Linux time command, you can figure out how much time was taken to execute a command, or shell script, or any other program.
By default, time command executes the given command or program. After execution, it displays the statistics and resources usage on the standard error.
Time command provides several command line options and various format options as explained in this tutorial
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Port Knocking technique adds an extra layer of security to your server and network, which will make it little harder for intruders to hack the system.
In this article, we’ll explain the following on a very high-level:
In PHP you can manipulate image files using GD library.
It support several formats including GIF, PNG, JPEG, etc. You can use LibGD library to stream images directly from your application to the browser.
This tutorial explains how to enable GD functionality in PHP.
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Q: I have setup nagios to monitor my servers. However, I perform some regular daily maintenance on this server. I don’t want Nagios to send me any notification during this this daily regular downtime window. How can I achieve this?
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Operator overloading is one of the advanced concepts of C++. It is a feature through which most of the standard operators can be used with class objects.
When you use an expression like ‘2 +3’, you know that the answer will be the sum of two integers. This is because the compiler knows how to interpret the + operator when used with integers. But, what if you want to do something like ‘obj1 = obj2 + obj3’ (where all these are objects of same class) ? How + operator should work in this case?
The answer is through Operator Overloading.
In this tutorial, we will explain operator overloading with the help of a working example.
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In UNIX and Linux distros, command line programs come with their own documentation called manual pages or man pages.
Man pages are generally written by the developer of the corresponding program. Generally the man pages are divided into number of sections.
The following is the list of all available man sections. Every section has a unique number and contains only a specific type of man pages. For example man section number 3 contains only man pages of library calls.
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If you have multiple switches that are part of a stack, then any VLAN you create on the master switch is available on all the switches in the stack.
However, if you have multiple switches that are not part of stack, and if you need to use the same VLAN between these two switches, you need to use VLAN trunking.
This tutorial explains how to configure VLAN trunking between two different switches.
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Linux 101 Hacks 2nd Edition eBook - Practical Examples to Build a Strong Foundation in Linux
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about Ramesh Natarajan and the blog.Copyright © 2008–2024 Ramesh Natarajan. All rights reserved | Terms of Service