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Jaykishan Mutkawoa (Nitin|jay) | Love and Believe in OpenSource | Devops and Linux Engineering | Operations at Nasdaq

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Linux System

This is where i blog stuffs purely on Linux operating system.

Understanding RAM, CPU, L1, L2, and L3 cache – Part 2

2021-07-28
By: Nitin J Mutkawoa
On: July 28, 2021
In: Linux Application, Linux System
With: 0 Comments

If you are reading this article, I guess you already went over part 1 which addressed the main issues about Memory. In part 1, we have mostly seen how memory reacts in a virtual environment. We should not confuse virtual memory in virtualization and virtual memory systems between physical memoryRead More →

Understanding RAM, CPU, L1, L2, and L3 cache – Part 1

2021-07-13
By: Nitin J Mutkawoa
On: July 13, 2021
In: Linux Application, Linux System
With: 0 Comments

In the past, I wrote an article on how to analyze memory using Lime. We have also seen how to analyze a process using blktrace, blkparse, btrace, etc. Another more interesting way of analyzing processes due to system performance is by using strace which I already blogged. Also, we lookedRead More →

disk usage

Setting up RAID1 disk array mirroring

2020-12-30
By: Nitin J Mutkawoa
On: December 30, 2020
In: Linux System
With: 0 Comments

Its been quite long I did not post any article under the category “Linux System” on my blog. Recently, I configured a RAID1 (Mirroring data across 2 disks.) at work. Since, I do not have any article that covered that one, so let me just present how it was done.Read More →

Install Zabbix with MariaDB PHP7 HTTPD and on Centos7

2019-10-24
By: Nitin J Mutkawoa
On: October 24, 2019
In: Linux Application, Linux System
With: 0 Comments

When it comes to monitoring, one of the famous web application for monitoring is Zabbix. In this article, we will see the basic installation and configuration of a Zabbix machine on a CentOS7. Zabbix is an open-source monitoring software tool for diverse IT components, including networks, servers, virtual machines (VMs)Read More →

Setting up a basic mail server with Postfix, Dovecot and MariaDB

2019-10-20
By: Nitin J Mutkawoa
On: October 20, 2019
In: Linux Application, Linux System
With: 0 Comments

Setting up a mail server is very simple if you understand the basic concept. In this blog post, I’m going to focus on the installation of a basic mail server using Postfix (MTA), Dovecot(MDA), and MariaDB. I will explain it stepwise and move along the basics too on this blogRead More →

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