Hi, Managed to get it working. The problem was in /etc/ssh/sshd_config :
Commented out : PermitRootLogin without-password and StrictModes yes On Mon, Feb 1, 2016 at 9:41 AM Syafiq Rokman <msyafiq.rok...@gmail.com> wrote: > Hi, > > Yes. > > $ nmap -p 8250 172.16.134.175 > > Starting Nmap 6.40 ( http://nmap.org ) at 2016-02-01 09:31 MYT > Nmap scan report for 172.16.134.175 > Host is up (0.00029s latency). > PORT STATE SERVICE > 8250/tcp open unknown > > $ telnet 172.16.134.175 8250 > Trying 172.16.134.175... > Connected to 172.16.134.175. > > > But when I try on the agent machine itself : > > > $ nmap -p 8250 172.16.134.246 > > Starting Nmap 6.40 ( http://nmap.org ) at 2016-02-01 09:34 MYT > Nmap scan report for syafiqrokman-HPCC.cloudstack (172.16.134.246) > Host is up (0.000017s latency). > PORT STATE SERVICE > 8250/tcp closed unknown > > $ telnet 172.16.134.246 8250 > Trying 172.16.134.246... > telnet: Unable to connect to remote host: Connection refused. > > I tried updating iptables and ufw to allow tcp through 8250. Still, no > luck. > On an off note, why is it trying to connect through this port? It wasn't > listed on the ports to be opened in the documentation. > > > > > On Fri, Jan 29, 2016 at 5:43 PM Nux! <n...@li.nux.ro> wrote: > >> Hello, >> >> Can you test manually if that agent machine can access the management one >> on that port? >> >> -- >> Sent from the Delta quadrant using Borg technology! >> >> Nux! >> www.nux.ro >> >> ----- Syafiq Rokman <msyafiq.rok...@gmail.com> wrote: >> > Hi, I'm new to Linux and CloudStack and would appreciate any support >> here >> > >> > CS 4.7 Ubuntu 14.04 >> > >> > PC A - management server >> > PC B - host >> > PC C - host >> > >> > The management server managed to connect to PC B, making it a host. >> > But I'm getting an 'Authentication Error' when adding PC C. The >> > username/passwd should be correct already. (root , root passwd) >> > >> > ==== PC C agent.log ==== >> > WARN [utils.nio.NioConnection] (main:null) (logid:) Unable to connect >> to >> > remote: is there a server running on port 8250 >> >>