Author: Siva

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Mouse cursor pointer on guest VM is not working properly

The Mouse Cursor on the guest VM on Redhat Linux KVM is not pointing or working properly. To resolve this issue, we need to add additional hardware on your guest VM under virt-manager utility....

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5 Ways to find Memory size in Linux

[1] Using “free” Command   [2] Using the lshw command: [3] Using “dmidecode” command:   [4] Using /proc/meminfo Command:   [5] Using “top” command:

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Steps to Install Oracle Database 12c Release 2 in Redhat Linux 7.5

In this Guide we will see on How to Install the Oracle Database 12c Release 2 in Redhat Enterprise Linux 7.5 Server. To Download the Oracle Database Installer, Visit the below URL: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html Prerequiste...

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How to Generate and Update SSL SAN Certificate in Linux

What is SAN Certificate?    The Subject Alternative Name (SAN) are also called as multi-domain SSL Certificate, which allows you to identify different domain names or even IP Address with one certificate. SAN Certificates...

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Error: Can’t open display: localhost:10.0

ISSUE: Server gives error while I try to execute the command xterm. RESOLUTION: a) Remove the loopback addressing in the host file entry. b) Comment or remove the wrong localhost lines: Open up the...

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How to Download Videos in Linux Command Line

“youtube-dl” is a python based script which is used to download the Videos from any of the URL’s:   1] How to Install the required “youtube-dl” package in the Linux Server: To install it...

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How to configure Sendmail in Linux

Sendmail’s core purpose, like other MTAs, is to safely transfer email among hosts, usually using the SMTP protocol. However, Sendmail is highly configurable, allowing control over almost every aspect of how email is handled,...

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How to Register and Subscribe a system in Redhat Linux

1) Register and automatically subscribe the system in one step:  [ NOTE:  user name and password are the same as your login credentials for Red Hat Customer Portal. 2) Register first and then attach the...