On Fri, January 27, 2017 12:19 pm, Jon LaBadie wrote: > On Fri, Jan 27, 2017 at 06:05:54PM +0100, Leon Fauster wrote: >> > Am 27.01.2017 um 17:27 schrieb m.roth at 5-cent.us: >> > >> > Johnny Hughes wrote: >> >> On 01/27/2017 09:19 AM, Jon LaBadie wrote: >> >>> With a large update to be made, eg. the 900 package >> >>> one I questioned yesterday, are there any suggestions >> >>> to avoid possible complications? >> >>> >> >>> Two examples, I'd like to know of others too: >> >>> >> >>> I'm not running the most recently installed kernel, >> >>> I assume I should reboot to that. >> >>> >> >>> I normally have a graphical environment running. >> >>> Would it be better to: a) shutdown X and update >> >>> from a straight CLI environment b) logout from >> >>> the GUI and update from a vt CLI c) update from >> >>> a GUI login as root or d) doesn't matter, do as >> >>> normal -- from an ssh login, "sudo yum update"? >> >> > ... >> >> In such scenario (xxx packages to update) I normally split the update >> command into >> >> # yum clean all >> # yum update glibc* rpm* yum* >> # yum update >> # reboot > > The update to glibc*, wouldn't that replace the current > versions on disk? If so, wouldn't there be a problem > if one had to reboot before the yum update could run > or complete. Theoretically this wouldn't be a problem, as execution of next yum command after installation of new yum and glibc will load new image of glibc into RAM, and will be happy, but other stuff that still runs may not (as they will be expecting to use old glibc image). So, last but one line before reboot in his script has no reason to fail. I'm sure this is his production script or sequence of commands, so he experimentally confirms the above. Just my $0.02 Valeri > Or do applications not need specific > glibc versions but only version X or newer. > > Jon > -- > Jon H. LaBadie jon at jgcomp.com > 11226 South Shore Rd. (703) 787-0688 (H) > Reston, VA 20190 (703) 935-6720 (C) > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++