On February 9, 2018 5:45:29 PM GMT+02:00, Honza Horak <hhorak at redhat.com> wrote: >On 02/09/2018 04:23 PM, Marek Salwerowicz wrote: >> Hi Honza, >> >> On 09.02.2018 16:03, Honza Horak wrote: >> >>> It's been a while since I wrote an article about a cool feature that > >>> we introduced together with Software Collections packaging format, >>> which is *the ability to share the environment on multiple machines >by >>> NFS sharing *[1]. >>> >>> The idea is very simple -- install Software Collections of your >>> favorite application stack (say Python 3.6 + NodeJS 8) and mount the > >>> /opt/rh on workstations. That way you have the same environment on >all >>> machines. >> >> Sounds nice, but how about config files that are installed in >/etc/opt ? > >That's tricky, yes, and it's also a reason why we don't do it for stuff > >like databases (data files are even more tricky). This feature is used >only for dynamic languages like python, ruby, nodejs, ... > In a previous life when space mattered and VMs were still in their infancy, I had to install several machines which run the flexlm license manager. The only real & important differences among them were the MAC address and the config file for flexlm. So I mounted R/O the whole OS minus /var from a single server and used symlinks from /etc/sysconfig to a small R/W partition mounted below /var. Wolfy >Honza > >> Cheers, >> Marek >> >>> >>> Now, I'd like to request some feedback -- is there anybody on the >list >>> (or outside, but you at least know about it) who uses this feature >for >>> the Software Collections packages? >>> >>> Please, let us know! If you can't share it publicly, just drop me a >>> direct mail. Of course, more feedback is welcome, but even simple >YES >>> would be also cool. >>> >>> [1] >>> >https://developers.redhat.com/blog/2015/06/29/maintain-software-collections-easily-on-thousands-of-machines-using-scl-register/ > >>> >>> >>> Thanks! >>> Honza >>> >>> _______________________________________________ >>> SCLorg mailing list >>> SCLorg at redhat.com >>> https://www.redhat.com/mailman/listinfo/sclorg >> >_______________________________________________ >CentOS-devel mailing list >CentOS-devel at centos.org >https://lists.centos.org/mailman/listinfo/centos-devel :