uncleflo

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Some cool dude. Higher order of decision making. Absolute.

Registered since September 28th, 2017

Has a total of 3445 bookmarks.

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users - How do daemons work? - Unix & Linux Stack Exchange

https://unix.stackexchange.com/questions/108502/how-do-daemons-work

Saved by uncleflo on January 4th, 2019.

If a user wants to execute a command, he has to first log in into a system. But some users in the system have /bin/false or /sbin/nologin set as a default shell in the /etc/password file. If I change /bin/bash to /bin/false in case of my user, I won't be able to log in into the system, so I also won't be able to run commands. But the shellless users do it anyway: How can a user without a shell execute a command? In POSIX, every running process has three User IDs (UIDs) associated with it; the real UID, which identifies the user who launched the process, the effective UID, which is used to determine what resources the process can access, and the saved Set-User-ID (SUID), which is the effective UID the process had when it started (at the point of the last exec() call). Of these, the effective UID is the most significant, since it is the one used when determining access control decisions regarding the process.

privileged unix unprivileged stack bash answers acknowledge user execute privilege answer effective privacy processes default exchange daemon administration developer development code server linux


Businesses and self-employed - GOV.UK

https://www.gov.uk/browse/business

Saved by uncleflo on March 10th, 2013.

Businesses and self-employed. Information about starting up and running a business in the UK, including help if you're self employed or a sole trader. Find answers to common questions about the GOV.UK website.

uk government information reference business legal setup start run help trade answers question website support search grow self develop


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