12 lines
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657 B
Text
12 lines
No EOL
657 B
Text
[file]
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slides.pdf
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[notes]
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### 1
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### 2
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Let's start off by looking at what an init system is, how they used to work and what systemd does different before we go into more systemd-specific details.
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### 3
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system processes that are started include for example FS mounts, network settings, powertop...
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system services are long-running processes such as daemons, e.g. SSH, database or web servers, session managers, udev ...
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orphans: Process whose parent has finished somehow, gets adopted by init system
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-> when a process terminates its parent must call wait() to get its exit() code, if there is no init system adopting orphans the process would become a zombie |