SysAdmin Series – What makes you a good system administrator?

Tags: system administrator

Published on : February 18, 2019 by

SysAdmin Series – What makes you a good system administrator?

SupportSages being a server management company, have witnessed the evolution of quite a few system administrators. In my personal opinion, out of all the qualities I have listed below, I personally believe, it is the ‘Never Say Die’ attitude and passion for continuous learning and exploring the system internals which makes one a great system […]

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How to check whether UDP connection is open or not?

Tags: Server Managementserver monitoring

Published on : February 12, 2019 by

How to check whether UDP connection is open or not?

UDP is being a connectionless protocol, you can t reliably say that the port is open or not. Below two commands are the only way of checking the same. When you send a packet to the open port, there need not be any acknowledgment saying that the port is open. Theoretically, UDP should give a […]

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“SED” Options and its usage

Tags: Linuxpattern matchingsedstream editor

Published on : June 26, 2017 by

“SED”  Options and its usage

Sed – The Stream Editor A stream editor is used to perform basic text transformations on an input file. Sed command is mainly used to replace the text in a file. But it is a powerful text processing tool. Some uses of sed command are explained below with examples: Consider the text file “test” as […]

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An Introduction to AWK

Tags: awkcommandsLinuxtext processing

Published on : April 27, 2017 by

An Introduction to AWK

AWK is actually a programming language which is specially designed for processing texts. The name “AWK” is derived from the family name of its authors – Alfred Aho, Peter Weinberger, and Brian Kernighan. AWK is by default available on most Linux distributions. We can check whether it is present by using the “which” command. AWK […]

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Configure Disk Quota on Ubuntu Server

Tags: hardlimitLinuxquotasoftlimitUbuntu

Published on : March 21, 2017 by

Configure Disk Quota on Ubuntu Server

Disk quotas can be used to limit the amount of disk space or the number of files allocated to a user or members of a group. This prevents one user or group of users from consuming all of the available disk space. It is very useful in large multi-user environment. Types of quotas Usage quota […]

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