All,
I have a problem with the latest install of OMV3 and my company lab proxy. Before i migrated the VM from Workstation 11, 'OMV -> OMV-Extras -> APT Clean' worked fine. This worked well because it was NAT on my local windows machine that is already 100% configured for proxy. When I migrated to my LAB ESX server both CLI and GUI wouldn't work until i configured proxy in OMV GUI. Then i configured "/etc/profile", "/etc/apt/apt.conf", "/etc/wgetrc" and "/etc/apt/apt.conf.d/99HttpProxy" for http, https, and ftp.
My CLI works fine. Here is an example of me doing omv-aptclean from CLI:
The GUI get a connection timeout. Here is an example of me doing 'OMV -> OMV-Extras -> APT Clean':