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Path: ...!feeds.phibee-telecom.net!weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "David W. Hodgins" <dwhodgins@nomail.afraid.org> Newsgroups: comp.os.linux.misc Subject: Re: privileged user in RedHat Date: Sun, 01 Sep 2024 17:26:01 -0400 Organization: A noiseless patient Spider Lines: 24 Message-ID: <op.2tfu5nx9a3w0dxdave@hodgins.homeip.net> References: <20240828082101.617dadf2@dorfdsl.de> <vara4e$5b0$1@tncsrv09.home.tnetconsulting.net> <vb153v$1dlt4$7@dont-email.me> <vb25tn$l0f$2@tncsrv09.home.tnetconsulting.net> <vb2d1a$1j9ac$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes Content-Transfer-Encoding: 8bit Injection-Date: Sun, 01 Sep 2024 23:26:08 +0200 (CEST) Injection-Info: dont-email.me; posting-host="2c219a55e6032d65fab295f643f5094b"; logging-data="1733368"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18OlKWiehc9PKPc5Z107Rgrd4/1cMFxPdY=" User-Agent: Opera Mail/12.16 (Linux) Cancel-Lock: sha1:ck3vXAHel+F7qkdCSlg6nJm4zSM= Bytes: 2033 On Sun, 01 Sep 2024 14:50:18 -0400, Rich <rich@example.invalid> wrote: > Grant Taylor <gtaylor@tnetconsulting.net> wrote: >> On 9/1/24 02:29, Lawrence D'Oliveiro wrote: >>> I think it’s configurable. >> Yep. >> >> It's been configurable on every system that I've cared to look at in the >> last 25 years. >> >> System defaults are usually quite sufficient. > > As far as the kernel is concerned, there is only one 'special' userid, > zero, which denotes the root user. <snip rest> The question was not about privileged as far as the kernel is concerned, but about privileged user's on redhat linux systems. In a redhat linux system, login.defs defines the uid min/max for system users, which are the only users that are allowed (have the privilege) to increase the priority of their processes. Regards, Dave Hodgins