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FORK SYSTEM CALL AND REMOVE ZOMBIE PROCESS IN LINUX
If you’re a Linux user, you may have seen zombie processes shambling around your processes list. You can’t kill a zombie process because it’s already dead …
January 14, 2019
andreas_griffin Archive
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Serial Peripheral Interface (SPI)
Serial Peripheral Interface (SPI) is an interface bus commonly used to send data between microcontrollers and small peripherals such as shift registers, sensors, and SD cards. …
November 25, 2018
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UART COMMUNICATION
The printers, mice, and modems had thick cables with those huge clunky connectors. Those devices were probably using UARTs to communicate with your computer. While USB …
November 15, 2018
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SYSTEMD UNITS AND UNIT FILES
systemd is a software suite that provides fundamental building blocks for a Linux operating system. Among other features, it includes the systemd “System and Service Manager,” …
November 8, 2018
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THE INIT PROCESS IN LINUX
When we boot up the computer, the first thing the kernel does is to execute init program. This is the root/parent of all process executing on …
November 5, 2018
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Create debug environment for ARM architecture on Intel processor
To create the ARM environment on Intel physical processor, I need use tools: * pwndbg: s a GDB plug-in that makes debugging with GDB suck less, …
October 25, 2018
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ELF FILE – CHAPTER 3: DYNAMIC LINKER AND SOURCE CODE PROTECTION
Continue to research about ELF. Today I will analyze dynamic linker. Then, I will introduce some tools like obfuscator tool for ELF file. 1. DYNAMIC LINKER: …
October 18, 2018
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ELF FILE – CHAPTER 2: RELOCATION AND DYNAMIC LINKING
In the previous chapter, I told about ELF file types, the components in ELF format and them’s struct. Today, I will show you the relocation process …
October 11, 2018
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