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The Rffuste blog Posts

How to install Virtualbox on Antergos

Hi, Today I’m writing my notes to install Virtualbox in Antergos Linux. sudo pacman -S linux-headers sudo pacman -S virtualbox virtualbox-guest-iso sudo pacman -S net-tools…

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IOLI Crackme 0x00 solution

Hi, Today I’m starting a new series of posts to explain how IOLI crackme’s can be solved using Radare 2. Let’s start with level 0x00…

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Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?

Hello, To solve this issue when trying to apt-get your Ubuntu Linux use these commands: Option 1: sudo rm /var/lib/apt/lists/lock Maybe it is also needed…

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How to change the screen resolution Kali Linux using Hyper-V

Hi, In order to change the screen resolution to a Kali Linux using Hyper-V follow these steps: Add these lines to this file: sudo vim…

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How to list open ports on Linux

Hi, If you need to list the open ports on a Linux system you can use this command: netstat -an –inet | grep LISTEN |…

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Reload iptables on every boot

Hi, To be able to load your iptables ruled everytime your Linux system is restarted just follow these commands. $ sudo iptables-save > /etc/firewall.conf Open /etc/network/if-up.d/iptables and add:…

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How to compile a 32bits application using a 64bits linux system with gcc

Hi, In order to be able to compile a 32 bits application if you are using 64 bits Linux, a -m32 modifier needs to be…

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Radare 2 install – Mac OS X Code Signing

Hi, As I am a Mac user, I have faced a Mac OS X Code Signing issue. After a little research, I found a site with…

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Kali Linux 2017.3 release

Hi, A new Kali release (2017.3) has been launched. If you want to check all included changes please read this site. If you need to install…

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How to “clear” a used port in a Linux system using a Django application.

Hi, If you face an error: “Error: That port is already in use.” you can solve it following these steps. This solution has been tested…

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