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Do config file in /boot has any role other than an information about the modules presence?

In addition to Stephen's answer I have to say that if your distro does that, that sounds old-fashioned and inefficient. The preferred way of storing the kernel configuration nowadays is the vmlinuz ...
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Do config file in /boot has any role other than an information about the modules presence?

Their only role is to provide the configuration of the corresponding kernel, for information purposes. They are not required for anything else. (Note that they don’t only provide information about the ...
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Mention the CPU Family type in config to build Linux Kernel for a particular CPU architecture?

The only important kernel config setting is found under Processor type and features / Processor family sub menu. it will only impact on basic kernel compilation settings. (gcc's -march for instance) ...
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Installing a newer version of mutt on quite old Debian

Finally I had some time to do it. First, I was wrong about the needed mutt version; the information I got from some website turned out to be incorrect. Reading the mutt changelog I found out that ...
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How to create from sources deb packages for different architectures

Use Pbuilder or Sbuild to build in your more powerful machine.
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Make: Include file causes "Permission denied" while trying to compile kernel

I managed to successfully compile the kernel using make -j 48. The problem was that the working directory was not physically on the computing node that was performing the actual compilation, so going ...
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make && echo "hello" only print hello when make succeeds (kernel)

Because of the pipe to tee, the second make’s exit status is ignored. To get the behaviour you want, you need to enable pipefail: change the set -xe line to set -xe -o pipefail See Debugging scripts, ...
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