LinuxQuestions.org - Upendra Pratap Singh

Changing username of your machine

Posted 07-19-2015 at 11:05 AM by Upendra Pratap Singh

Always use usermod command to change username or the properties of the user like UID etc.

Do not go for manual editing in /etc/shadow, /etc/passwd and /etc/groups file to change your username, password or UID etc.

It corrupts the entries so much so that you will not be able to access other disk partitions other than the one in which Ubuntu is installed. Also you will not be able to login as root.

Upendra Pratap Singh

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DNS server implementation tip

Posted 04-18-2015 at 07:04 AM by Upendra Pratap Singh

This blog is meant for those who wish to install DNS server on their system.

Whenever you make any changes to the configuration files - named.conf, named.conf.local or named.conf.options and restart the service bind9, do check the entries in the resolv.conf file.

This file is found in the /etc/ directory and this file takes the previous configuration IP addresses despite the bind9 service being restarted.

I faced this problem and currently I am finding...

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Virus on Linux

Posted 04-15-2015 at 08:07 AM by Upendra Pratap Singh

One of the most effective techniques that I have come across while using Ubuntu for some 1 year or so is
that we must avoid log in as super user as far as possible.

This mode is meant only when everything is flawless in terms of data availability and its subsequent processing.

Also if one is not logged in as super user, then the effect of virus program remains localized to the current file system only.

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Be a geek with linux

Posted 01-18-2012 at 09:23 AM by Upendra Pratap Singh

Hi,

this blog is going to be the first one to appear on this forum.

In this introductory blog, I would like to share my experience with those who are new to Linux.

What I have really learnt is that in order to have a good understanding of the concepts and principles present in Linux, one needs to put aside the easy ways one usually finds in Windows operating system. Beginners should ensure that most of the operations performed by them should be through...

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