My collection of a bunch of useful and interesting contents (or some other things that I might want to read/watch again, later in life). August 13, 2019 How To Say No to Others, Better!The Computer Chronicles - Hypercard (1987)Unix systems programming in Rust — Kamal Marhubi August 15, 2019 NAT - Network Address Translation August 18, … Continue reading A Collection!
IntroductionGoals and FocusSyllabus layoutContributionsHow we’ll organize workHow to contributeRewards for contributionsOps School VideosHow to write sectionsOverwriting existing contentCreditsGuidelinesCareers in OperationsDeciding a career pathGeneralized career pathsSpecialized career pathsHow to become an operations engineerSysadmin 101What is Systems Administration?What is Development?Contrasting Development and OperationsHistory of Development and OperationsWhat System Administration Isn’tUnix fundamentals 101File systemsShellsPackage managementThe Boot ProcessUseful shell … Continue reading “Ops School” Progress!
Happy Birthday Dear me!
September 11, 2019 It's been a very long time since I wrote here for the last. The reason is nothing big but mainly because: Apparently, I was not able to finish some tasks in time that I used to write about.I was not well for a long time that could be an another reason . … Continue reading Some pending logs!
August 18, 2019 Ah, I literally procastinated a lot for writing this blog post. But I, "actually", am not regretting at all for this once, because the time was justly spent well with my parents & family. Anyways, before moving forward with other tasks in the series, I am supposed to finish the backlogs (finish … Continue reading The Simplified playbook!
August 13, 2019 Okay, not to worry. There is no such actual warning. 😀 I am just trying to extend my previous post on securing SSH by adding another one-liner (actually it was one liner before I decided to implement it with ansible again) solution to it. And the solution is: You can add "warning … Continue reading “Warning” to SSH users!
August 11, 2019 Now after working on remote VPS for a good decent time, I have understood that it's not difficult to connect to remote nodes via SSH. Rather the concern is to connect to these remote nodes in a more safe and secure manner. Therefore, when this thought is taken into consideration, we need … Continue reading A guide to a “safer” SSH!
August 10, 2019 [Note: This post has pictures that I am intentionally not compressing. Please bear with me for the slow loading. 🙂 ] A big massive thanks to jasonbraganza for so nicely (and patiently) giving his time, telling me about *lots* of these small astonishing components. 😇 This is for the first time that … Continue reading The first hardware “Hack”!
August 8, 2019 [ After procastinating to write for a whole long day due to a number of xyz reasons, here I am finally writing about what I did in past 2 days. ] It's about iptables! Whatever we do on any network, it includes exchange of huge number of incoming and outgoing network packets. … Continue reading Let’s get started with iptables!
August 6, 2019 Last night, I upgraded my host machine's operating system from Ubuntu 18.04.1 LTS to Ubuntu 19.04. In the first go, it felt nice having a new clean interface right in front, but very soon, I realised that the upgrade was a bit off, on my machine. The problems I observed after the … Continue reading Upgraded to Ubuntu 19.04!
August 5, 2019 This article will cover the process of automating WordPress installation on multiple Ubuntu (Debian) nodes/servers using ansible. I would like you to first go through my previous post to get a good idea of "How Ansible works" and the problems you may face while setting up a basic ansible structure. And then, … Continue reading Automating WordPress Installation Through Ansible !