<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi colleagues,<div class=""><br class=""></div><div class="">I’m hoping this is the right way to get in contact. I’ve been running CentOS for several years now and have recently discovered Software Collections. I’m excited as it seems it's a great mechanism to allow me to have the ongoing stability of Enterprise Linux, but with the added ability to have relatively newer feature updates for specific software that I want. I’m very much new to the Software Collections concept, so my questions might seem a bit naive—feel free to point me in the right direction if there’s documentation that can answer the conceptual side of my questions already.</div><div class=""><br class=""></div><div class="">My questions can be best demonstrated by example: My server needed a webserver. I typically use httpd and like the idea of keeping up with feature updates on it, so I installed httpd24-httpd from the centos-sclo-rh repo instead of the standard httpd package from the base repo. Then I began to install phpmyadmin (from the epel repo), and noticed that it wanted to install httpd from the base repo. Looking in to this a bit more, I learned that the phpmyadmin package depends on the virtual package “webserver”. Indeed, the httpd package from the base repo “provides” the “webserver” virtual package (which I determined by locating the corresponding .src.rpm file, opening it using rpm2cpio … | cpio - idmv, and inspecting the .spec file). So then I checked the .src.rpm file corresponding to the httpd24-httpd package, inspected the .spec file, and saw that indeed it does not provide the “webserver” virtual package.</div><div class=""><br class=""></div><div class="">My expectation would be that, since I ran `scl enable httpd24 bash`, my system should be of the understanding that it now has a capable and functional webserver, and therefore the “webserver” dependency should be met.</div><div class=""><br class=""></div><div class="">Looking deeper, I see that this command runs the /opt/rh/httpd24/enable script which simply sets/modifies three environment variables. This is great for a user session, but I guess my expectation of a system-wide understanding of the presence and functionality of the httpd24-httpd webserver is therefore unrealistic, and my grand visions don’t fully align with what Software Collections are actually intended to do.</div><div class=""><br class=""></div><div class="">In this small example, the target outcome for me would be to install phpMyAdmin from yum (because I like the idea that it’d be security patched regularly with minimal effort from me), but without having to install the base httpd package, as I already have the httpd24-httpd package installed.</div><div class=""><br class=""></div><div class="">A work-around I’ve found is to use rpm to install the phpMyAdmin rpm using the --nodeps flag, and moving the phpMyAdmin.conf file into /opt/rh/httpd24/etc/httpd/conf.d/phpMyAdmin.conf. However I’m unsure if the phpMyAdmin package will be able to be updated through yum the next time an update is available.</div><div class=""><br class=""></div><div class="">The small question is: in this specific example, what would be the best way to install phpMyAdmin so that it updates itself when `yum update` is run, while minimizing the amount of software I have to install on the server? The big question is: How badly am I misunderstanding the purpose or intent of Software Collections?</div><div class=""><br class=""></div><div class="">I asked this question over on Server Fault, and I got a comment asking “What did the package maintainer say?”, so you might consider answering <a href="http://serverfault.com/questions/770417/make-yum-recognize-that-httpd24-httpd-from-scl-provides-the-webserver-virtual" class="">there</a> if you’re familiar with that Q/A format. If not, then I’ll post any answers I get on your behalf for the benefit of the community.</div><div class=""><br class=""></div><div class="">Thanks for any insight you might provide.</div><div class=""><br class=""></div><div class="">-Patrick</div><div class=""> <br class=""></div></body></html>