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Create an SSH tunnel to access localhost from the local PC

April 20, 2026
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 |  configuration, information, java, linux, Linux Ubuntu Server, macos, nexus, remote-access, ssh, ssh tunnel
An SSH tunnel (or SSH Port Forwarding) is like creating a secure, encrypted pipe between your computer and a remote server. It allows network traffic […]

install nexus on linux ubuntu server

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 |  artifacts, configuration, information, java, linux, Linux Ubuntu Server, macos, nexus, repository, ssh, ssh tunnel
From the /opt folder, use this link which points to the specific 64-bit version for Unix download decompress Once downloaded, we extract the files and […]

memory paging and context switching between processes

April 13, 2026
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 |  information
They allow a modern operating system to run multiple programs at the same time without them interfering with each other Memory Paging It is a […]

rings and kernel – OSDev (Operating System Development)

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 |  C, configuration, information, kernel
The central kernel (or kernel land) necessarily runs on Ring 0 In x86 architecture, “rings” are levels of CPU privilege. Ring 0 has complete control […]

ELF, PE/COFF, MACH-0

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 |  information, linux, macos, windows
Although they all serve the same purpose (telling the processor what to execute), they are like different languages; that’s why an .exe file doesn’t “understand” […]

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