I am completely stuck with installing (see topic for details), please help.

[levivaniperenburg]

I have this here because no one in IRC #Amahi is responding.
My question is about a Dell PowerEdge SC1425 on which I am trying to install. According to the interactive troubleshooter on the website, my router is NOT accessible from the HDA (in HDA it says: destination host unreachable when trying to ping my router's IP). The server is hooked up to a wifi modem via ethernet. Also, dnf and yum give me the: Failed to synchronize cache for repo 'updates' error. The commands: netstat, arp and traceroute (the commands that were recommended at step 5 of the interactive troubleshooter) were all unfound and therefore I cannot install these command packs because dnf and yum aren't working. I am new to non-GUI Linux (Fedora 23 server for Amahi 9) so I need some layman's terms please. Hopefully that's enough details.

Hardware:
Intel Xeon 3,0 GHz 800 MHz 2 MB cache
1 GB DDR2 server RAM
In a Dell PowerEdge SC1425 case with motherboard
2x SATA HDD's (both 250 GB), previously in RAID 0, now in ATA mode
Integrated graphics (16 MB memory)
Has a slim line CD-DVD drive

[bigfoot65]

Recommend you check the Install troubleshooting guidance in the wiki.