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tutorials

My Resume Hosted

My Resume Hosted

Deepak Gupta · 6 Jun 2021 · 10 min
tutorials
linux

Exploring the Linux top Command

A practical guide to reading and using the top command for Linux performance monitoring.

Deepak Gupta · 1 Jun 2020 · 1 min
linuxperformancemonitoring
vagrant

Vagrant with QEMU/KVM on Linux

How to use Vagrant with the QEMU/KVM provider instead of VirtualBox for faster local VMs on Linux.

Deepak Gupta · 29 May 2020 · 1 min
vagrantvirtualizationlinux
networking

DNS Explained

A plain-language walkthrough of how DNS works — from query to resolution.

Deepak Gupta · 9 May 2020 · 4 min
networkingdnsdevops
ssl

Generating SSL Certificates

Step-by-step guide to generating self-signed and CA-signed SSL certificates on Linux.

Deepak Gupta · 8 May 2020 · 1 min
sslcertificatessecurity
linux

Working with aureport — Linux Audit Log Analysis

How to use aureport to summarise and query the Linux audit daemon logs for security analysis.

Deepak Gupta · 20 Mar 2020 · 2 min
linuxsecurityaudit
linux

Understanding DNS Records (A, CNAME, MX, TXT)

A clear breakdown of the most important DNS record types and when to use each one.

Deepak Gupta · 13 Dec 2017 · 2 min
linuxnetworkingdns
linux

Understanding LVM Basics on Linux

A practical introduction to LVM — physical volumes, volume groups, logical volumes, and how to manage them.

Deepak Gupta · 21 Aug 2017 · 3 min
linuxstoragelvm
mysql

MySQL Master-Master Replication

Setting up MySQL master-master replication — the configuration, the caveats, and what to watch out for.

Deepak Gupta · 21 Jun 2017 · 2 min
mysqldatabasesreplication
linux

Yum Commands Quick Reference

The most useful yum commands for package management on RHEL/CentOS systems.

Deepak Gupta · 10 Jun 2017 · 2 min
linuxrhelcentos
fiction

The Road to Kingdom

The Road to Kingdom

Deepak Gupta · 23 Mar 2017 · 2 min
fiction
tutorials

How to Pass the DataStax Cassandra Administrator Certification

Study tips, exam breakdown, and what actually matters when preparing for the DataStax Cassandra admin cert.

Deepak Gupta · 4 Feb 2016 · 3 min
tutorials
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