hping3 Syntax
hping commands for scanning methods ICMP ping hping3 -1 10.0.0.25 Hping performs an ICMP ping scan by specifying the argument -1 on the command line. You may use –ICMP of -1 argument in the command line. By issuing the above…
Category Operating Systems
Possible Values of OS-dependent Java System Properties
There are some system properties that can be obtained from Java code. Some of these examples are: Code example: System.getProperty(“os.name”) List of possible os values This is not a complete list. os.name values: Windows NT Windows 98 Windows XP…
How to install JRE or JDK in Ubuntu
This post explains how to install or update Java components JRE or JDK in operating system Ubuntu. It may be compatible with other Debian-like or Ubuntu-like Linux distros, like Linux Mint, etc. Step-by-step Procedure 1. Install repository Open a…
How to check from command line if your user has admin rights
This post explains how to check if your user has admin rights using your command line. Linux Using sudo command You can run a command like this: timeout 2 sudo id && echo Access granted || echo Access denied Mac…
How to print any special character on Ubuntu
Find the Unicode character linked to the character you want to print. Press Ctrl + Shift + u, then type the hexadecimal code of the Unicode character you want to print. External references heemayl, “How to print special characters“,…
Reinstall Windows XP on Dell Latitude D505
This post details the steps to reinstall Windows XP on a Dell Latitude D505. Dell Latitute D505 was a laptop from 2004. Its default operating system was Windows XP. Installation Steps 1. Get a bootable unit with Windows XP…
Disk File Systems
This post lists some popular disk file systems. List of file systems FAT FAT is a very old file system, based on 12 or 16 bits. It was replaced in more modern system by FAT32, and eventually by the current…
How to install Windows XP
Disclaimer about Windows XP Windows XP is an operating system that is lacking official support from Microsoft since April 8, 2014. IT IS NOT RECOMMENDED TO USE THIS OPERATING SYSTEM ANYMORE. There are multiple known vulnerabilities that exposes your computer…
How To Restore USB Drive Back To Original Full Capacity in Windows 10
This post explains how to restore a USB drive to full capacity using Windows 10/11 OS. Step-by-step Instructions 1. Run Windows tool DiskPart Go to Start > Run command or press Windows + R. Type diskpart and press Enter 2.…
Removing Linux from a computer with Windows 10
Let’s say you have a computer that have Windows 10 as its default operating system (OS). Then you manage to install a Linux distribution (e.g., Ubuntu) alongside Windows 10. But then you change your mind and you want to restore…