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How to open port on AWS EC2 Linux server

By Shrikant Lavhate | Published: March 9, 2017 | Modified: June 29, 2020

Small tutorial with screenshots that show how to open port on the AWS EC2 Linux server. This will help you to manage port-specific services on the EC2 server.

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How to download the package using YUM or APT

By Shrikant Lavhate | Published: March 7, 2017 | Modified: December 16, 2020

Learn how to download packages from YUM or APT repository. The standalone package can be used to install on another server that has no YUM or APT configured.

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Package installation in Linux (YUM,APT & zypper)

By Shrikant Lavhate | Published: March 6, 2017 | Modified: June 29, 2020

Different type of package installations in Linux explained with examples. Learn package installation on yum or apt based system.

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YUM automatic updates! Save your valuable time!

By Shrikant Lavhate | Published: March 5, 2017 | Modified: June 29, 2020

Learn how to schedule YUM automatic updates to upgrade all system packages to the available latest version in the background without manual intervention!

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4 tools to download any file using the command line in Linux

By Shrikant Lavhate | Published: March 5, 2017 | Modified: June 1, 2020

Learn how to download any file using the command line from the internet or FTP servers to your Linux server. Get files in your server in seconds!

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How to upgrade package using YUM in RHEL

By Shrikant Lavhate | Published: March 5, 2017 | Modified: June 1, 2020

Learn step by step to upgrade the package using YUM on the RHEL system. Insights of how the package upgrade process takes place in the background.

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What is the difference between su and sudo?

By Shrikant Lavhate | Published: March 2, 2017 | Modified: June 1, 2020

Learn difference between su and sudo. By learning difference you will be able to judge which one is best suited for your requirement of access management.

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How-to guide: sudo configuration in Unix – Linux (with examples)

By Shrikant Lavhate | Published: March 2, 2017 | Modified: June 1, 2020

Learn how to secure your system and limit user access using sudo configuration. It helps to restrict superuser privileges of the normal user for a specific command

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Mailchimp KernelTalks newsletters are here!

By Shrikant Lavhate | Published: March 1, 2017 | Modified: June 1, 2020

We have moved our subscriptions from native Jetpack subscription to Mailchimp ones. More advanced email communication with readers and RSS email management.

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How to configure telnet server in Linux

By Shrikant Lavhate | Published: February 26, 2017 | Modified: June 1, 2020

Step by step guide to configure telnet server on Linux. Generally, SSH is preferred over telnet since its more secure, and hence telnet is not available out of the box.

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