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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nntp.coast.net!news.kei.com!newsfeed.internetmci.com!in1.uu.net!van-bc!uniserve!haven.uniserve.com!tom From: Tom Samplonius <tom@uniserve.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: [Q] cron jobs Date: Fri, 9 Feb 1996 08:49:16 -0800 Organization: UNIServe Online Lines: 29 Distribution: world Message-ID: <Pine.BSF.3.91.960209084329.212B-100000@haven.uniserve.com> References: <4fa6o9$kkp@usenet.srv.cis.pitt.edu> <m0tkpQz-0001lkC@hammy.lerctr.org> NNTP-Posting-Host: haven.uniserve.com Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII In-Reply-To: <m0tkpQz-0001lkC@hammy.lerctr.org> On Fri, 9 Feb 1996, Gordon Burditt wrote: > > You don't need to reboot your system. In fact, you should never > >need to reboot a Unix workstation, once started. > > Never? That's a pretty strong claim. How do you switch kernels This should be considered a bug. Kernel changes should be dynamic. > without rebooting? How about restoring the root partition from > backups (and maybe replacing the hard drive also)? Shutdown to single user and restore. Hardware changes don't count, as you are at the mercy of the design. Some never systems allow many components to be hot swapped (HAL Station). > I wish I could afford a UPS that would last long enough to survive > all power outages, but I can't. It only gives me about 12 minutes > of power. The one power outage so far long enough to run it out of > power gave me time to do an incremental backup and a clean shutdown, > but it lasted for 2 hours. Physical disasters are not the fault of the software. Lots of money could you give you a large UPS and a backup generator. But if you don't, thats not your systems fault. Tom