Date: Thu, 10 Mar 2016 13:13:11 +0000 From: Steve O'Hara-Smith <steve@sohara.org> To: freebsd-questions@freebsd.org Subject: Re: Are system updates without reboots possible? Message-ID: <20160310131311.95dcd6c66c6dbf60339a2df0@sohara.org> In-Reply-To: <56E162B5.4010309@qeng-ho.org> References: <56E162B5.4010309@qeng-ho.org>
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On Thu, 10 Mar 2016 12:04:05 +0000 Arthur Chance <freebsd@qeng-ho.org> wrote: > The latest security advisory on openssl contains the usual mantra > > "Restart all deamons using the library, or reboot the system." > > I usually just reboot but find myself wondering if there's a reliable > *automatic* way of identifying which running programs use any given > library (or set of libraries), and identify whether or not they're > daemons controlled by service(8). > > I suppose root could use ps and ldd to identify affected programs, but > this seems like brute force and I can't see how to tie into the > service(8) structure. > > Anybody got ideas on this? It could be useful for updating servers you'd > rather not reboot. You could just apply brute force and use service -R to restart all services or reboot if the update included a new kernel. Overkill but safe. -- Steve O'Hara-Smith <steve@sohara.org>
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