Linux Questions

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data repeats when using memcpy

I'm using gcc in ubuntu 16.06 i'm trying to open up a binary and copy its contents into a buffer. i see the data copied but there is also
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Check docker alpine musl version

We have docker files which based on alpine linux. i want for the built container to check the version of the musl library , i mean

Debugging C++ lib with eclipse

I am working on project in linux which involves 1) static lib in c++ 2) gui developed in c++/qt which uses static lib. now both the lib

Mapping my custom keys in Debian

I have a microsoft keyboard with a series of non-standard buttons such as "mail", "search" , "web/home" etc. it would be nice to be able
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Vulkan - Multiple frames in flight

I'm working a on a vulkan project and have gotten through the draw cube progression. i'm brand new to vulkan and have had to relearn everything.
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What does "ulimit -l" mean?

According to the manpage, "-l" in ulimit means "the maximum size that may be locked into memory". what does this sentence mean, exactly? how may

linux uptime history

How can i get a history of uptimes for my debian box? after a reboot, i dont see an option for the uptime command to print a history of uptimes.
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Building a custom Linux Live CD

Can anyone point me to a good tutorial on creating a bootable linux cd from scratch? i need help with a fairly specialized problem: my firm
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Issue with dup2

I am trying a simple program where the stdout from child process is directed to the parent process. the program works if i don't fork multiple
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