Isaac Phiri“A Cautionary Tale of Misconfigured Firewall Rules: A Postmortem”The kingdom of websites was hit with a disastrous outage on December 23rd, 2022. The cause of the chaos? A misconfigured firewall rule that…Feb 4, 2023Feb 4, 2023
Isaac PhiriHave you ever wondered what really happens when you type https://www.google.comWhen you type “https://www.google.com" into your browser and press Enter, a series of events are triggered that allows you to access the…Jan 12, 2023Jan 12, 2023
Isaac PhiriDemystifying The ‘ls’ Command Used with ‘-l’ Option.The Shell The shell is a complex piece of software that contains many different parts. The centerpiece of any Linux shell is the Command…Aug 25, 2021Aug 25, 2021