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ip cheatsheet

I’m an old school guy. I learned to use ifconfigin the old times and, with ifconfig, I continue until today. But, for a while, there is a new contender ip. ip is a network tool called to replace...

Hack The Box Academy - Completed Operating System Fundamentals

Completed Operating System Fundamentals Completed Operating System Fundamentals Fundamentals achievement

Hack The Box Academy - Completed Linux Fundamentals

Completed Linux Fundamentals Completed Linux Fundamentals achievement

Maintenance of NAND disk in GNU/Linux

NAND disk ranges from USB flash drives (thumb drive, memory stick, pendrive, call it what you prefer) to SDD disks. Both are based on NAND flash cells. As hard disk drives (HDDs), NAND disks can s...

Maintenance of HDD in GNU/Linux

A hard disk drive (HDD) can suffer several types of failures: logical failures, mechanical failures or firmware failures. Since we cannot avoid mechanical or firmware failures, we will try to avoid...

Overthewire krypton level 6 LFSR

Some time ago I started to solve the Krypton game from OverTheWire. I did a walkthrough about Kripton Level 4 and Krypton Level 5. At this point, the only level that I had to solve was the Kryp...

Space Rogue How the hackers known as l0pht changed the world

These days I read the Chris Thomas’ book: Space Rogue How the hackers known as l0pht changed the world. It is a great book and I recommend it. It’s very entertaining and reads very quickly. It wa...

Windows 10 and 11 cheatsheet

Useful shortcuts for Windows 10 and 11 [WIN] + d Hide apps and show desktop or vice versa. [WIN] + e Open file explorer. [WIN] + l Lock session. [WIN] + r Show the run box. [WIN] + t Cy...

GNU/Linux console shortcuts cheatsheet

Some useful shortcuts to speed up our console use. Editing [TAB] or [CTRL] + i Autocomplete. [CTRL] + u Delete everything from the cursor position to the beginning of the line. [CT...

Hack The Box - Bashic Calculator pwned!

Description I’ve made the coolest calculator. It’s pretty simple, I don’t need to parse the input and take care of execution order, bash does it for me!I’ve also made sure to remove characters ...