That does not appear to be how the rpm's are set up:

[root@server ~]# repoquery --requires app-transmission

/bin/sh

app-base

app-transmission-core = 1:2.1.2-1.v7



[root@server ~]# repoquery --requires app-transmission-core

/bin/sh

app-base-core

app-base-core >= 1:1.2.6

libnatpmp

transmission-daemon >= 2.84

The dependency is one-way.

In that case app-transmission should have been a pre-requisite in the rpm for app-transmission-core to ensure everything gets installed...

It looks like transmission is in epel only.

Normally when you install a ClearOS package there is an app-whatever and app-whatever-core package. If you install the app-whatever it pulls in the core package, so you'd probably have done better to do:

yum install --enablerepo=clearos-epel app-transmission

Then you should have ended up with the working webconfig as well.

Thanks Tony. That worked a treat.

For anyone else who may read this thread in the future.
Running the command Tony shared allowed Transmission to be installed but (i'm guessing) since it was installed outside of marketplace it did not update the navigation structure in the web gui or pre-configure it as per Tim's package.
So after installing Transmission via the yum command I went back to marketplace and installed transmission again from there and it went through successfully with updated navigation menu and the tailored configuration. Happy days.

[root@alex ~]# yum install --enablerepo=clearos-epel app-transmission-core 

Loaded plugins: clearcenter-marketplace, fastestmirror

ClearCenter Marketplace: fetching repositories...

Loading mirror speeds from cached hostfile

 * centos-extras-unverified: centos.mirror.serversaustralia.com.au

 * centos-fasttrack-unverified: centos.mirror.serversaustralia.com.au

 * centos-unverified: mirror.ventraip.net.au

 * centos-updates-unverified: centos.mirror.serversaustralia.com.au

 * centosplus-unverified: mirror.optus.net

 * clearos: mirror1-singapore.clearos.com

 * clearos-centos: download4.clearsdn.com

 * clearos-centos-updates: download4.clearsdn.com

 * clearos-contribs: mirror1-singapore.clearos.com

 * clearos-epel: download4.clearsdn.com

 * clearos-fast-updates: download4.clearsdn.com

 * clearos-infra: mirror1-singapore.clearos.com

 * clearos-updates: mirror1-singapore.clearos.com

 * private-clearcenter-dyndns: download4.clearsdn.com:80

 * private-clearcenter-plex: download2.clearsdn.com:80

Resolving Dependencies

--> Running transaction check

---> Package app-transmission-core.noarch 1:2.1.2-1.v7 will be installed

--> Processing Dependency: transmission-daemon >= 2.84 for package: 1:app-transmission-core-2.1.2-1.v7.noarch

--> Processing Dependency: libnatpmp for package: 1:app-transmission-core-2.1.2-1.v7.noarch

--> Running transaction check

---> Package libnatpmp.x86_64 0:20150609-1.el7 will be installed

---> Package transmission-daemon.x86_64 0:2.84-1.el7 will be installed

--> Processing Dependency: transmission-common for package: transmission-daemon-2.84-1.el7.x86_64

--> Processing Dependency: libevent-2.0.so.5()(64bit) for package: transmission-daemon-2.84-1.el7.x86_64

--> Running transaction check

---> Package libevent.x86_64 0:2.0.21-4.el7 will be installed

---> Package transmission-common.x86_64 0:2.84-1.el7 will be installed

--> Finished Dependency Resolution



Dependencies Resolved



==============================================================================================================

 Package                         Arch             Version                   Repository                   Size

==============================================================================================================

Installing:

 app-transmission-core           noarch           1:2.1.2-1.v7              clearos-contribs            9.7 k

Installing for dependencies:

 libevent                        x86_64           2.0.21-4.el7              centos-unverified           214 k

 libnatpmp                       x86_64           20150609-1.el7            clearos-epel                 15 k

 transmission-common             x86_64           2.84-1.el7                clearos-epel                730 k

 transmission-daemon             x86_64           2.84-1.el7                clearos-epel                263 k



Transaction Summary

==============================================================================================================

Install  1 Package (+4 Dependent packages)



Total download size: 1.2 M

Installed size: 4.2 M

Is this ok [y/d/N]: 

Hi Peter,
Any chance Transmission has fallen out of the ClearOS contribs repository again?
Cheers

I'm getting a similar error to the original poster:

[root@sun ~]# yum install app-transmission-core
Loaded plugins: clearcenter-marketplace, fastestmirror
ClearCenter Marketplace: fetching repositories...
Loading mirror speeds from cached hostfile
* clearos: mirror2-singapore.clearos.com
* clearos-centos: download2.clearsdn.com
* clearos-centos-updates: download2.clearsdn.com
* clearos-contribs: mirror2-singapore.clearos.com
* clearos-fast-updates: download2.clearsdn.com
* clearos-infra: mirror2-singapore.clearos.com
* clearos-updates: mirror2-singapore.clearos.com
* private-clearcenter-dyndns: download2.clearsdn.com:80
Resolving Dependencies
--> Running transaction check
---> Package app-transmission-core.noarch 1:2.1.2-1.v7 will be installed
--> Processing Dependency: transmission-daemon >= 2.84 for package: 1:app-transmission-core-2.1.2-1.v7.noarch
--> Finished Dependency Resolution
Error: Package: 1:app-transmission-core-2.1.2-1.v7.noarch (clearos-contribs)
Requires: transmission-daemon >= 2.84
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest

Hi Vucko,

That was a problem in our software repositories. The transmission RPMs are in the EPEL repositories, but should have also been visible via the ClearOS contribs repository. Problem resolved!

Or from command line:
Resolving Dependencies
--> Running transaction check
---> Package app-transmission-core.noarch 1:2.1.0-1.v7 will be installed
--> Processing Dependency: transmission-daemon >= 2.84 for package: 1:app-transmission-core-2.1.0-1.v7.noarch
--> Processing Dependency: transmission >= 2.84 for package: 1:app-transmission-core-2.1.0-1.v7.noarch
--> Finished Dependency Resolution
Error: Package: 1:app-transmission-core-2.1.0-1.v7.noarch (clearos-contribs)
Requires: transmission >= 2.84
Error: Package: 1:app-transmission-core-2.1.0-1.v7.noarch (clearos-contribs)
Requires: transmission-daemon >= 2.84
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
[root@Mreza ~]#