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drummers-lowrise
1) Message boards : Number crunching : World Maths Day Challenge (Message 133935)
Posted 50 days ago by Profile Jordan Romaidis
Note to anyone using cloud server for the first time:

You must completely delete/destroy a cloud server to stop getting charged for it. Turning it off is not sufficient.

Depending on which service you're using, there may be other resources you need to delete too.

On Digital Ocean, you get charged for droplets (even if they're turned off), and images, snapshots, and backups. You do NOT get charged for firewalls.


Thanks for the reminder! FYI if you have a Digital Ocean Promo code I'd be happy to use it! :)


The promo codes (which give you $50 credit, which is good for 30 days), is only usable when you sign up. If you haven't signed up yet, this is the code: https://m.do.co/c/fa7ff04dc84d.


Bummer I already signed up! Thanks though!
2) Message boards : Number crunching : World Maths Day Challenge (Message 133931)
Posted 50 days ago by Profile Jordan Romaidis
Note to anyone using cloud server for the first time:

You must completely delete/destroy a cloud server to stop getting charged for it. Turning it off is not sufficient.

Depending on which service you're using, there may be other resources you need to delete too.

On Digital Ocean, you get charged for droplets (even if they're turned off), and images, snapshots, and backups. You do NOT get charged for firewalls.


Thanks for the reminder! FYI if you have a Digital Ocean Promo code I'd be happy to use it! :)
3) Message boards : Number crunching : World Maths Day Challenge (Message 133917)
Posted 50 days ago by Profile Jordan Romaidis

Ahh ok. I'm slowly getting all of this... I never knew you could login remotely via the BOINC client


eFMer is a tool you can use to connect, monitor and control multiple BOINC instances simultaneously, both local and remote. If you are running multiple machines, it's helpful for getting your BOINC info all into one dashboard.


This is really cool! Thanks!
4) Message boards : Number crunching : World Maths Day Challenge (Message 133905)
Posted 51 days ago by Profile Jordan Romaidis
How do you abort tasks remotely?


The same way you do anything remotely. You connect your BOINC Manager window (or BOINCTasks, or whatever you like to use) to the remote computer. That's the point of the steps in the setup about opening port 31416 in the firewall and setting gui_rpc_auth.cfg and remote_hosts.cfg to grant you remote access.

Once you have access, you control a remote computer the same way you control a local computer.

In BOINC Manager, click on File/Select Computer... and enter the IP address and BOINC password of the remote computer. If you set everything up correctly, it should connect to the BOINC client on the remote computer.




Ahh ok. I'm slowly getting all of this... I never knew you could login remotely via the BOINC client ha!

Thanks again! :)
5) Message boards : Number crunching : World Maths Day Challenge (Message 133902)
Posted 51 days ago by Profile Jordan Romaidis
How do you abort tasks remotely?
6) Message boards : Number crunching : World Maths Day Challenge (Message 133778)
Posted 54 days ago by Profile Jordan Romaidis
Confused on this part now...

3) Choose a BOINC password. We'll use it a bit later.

When did I choose this? I didn't see this option...?


I mean, make up a password (with your brain, not your keyboard). The part where you use it comes a little later.

I keep getting Authorization failure: -155


When doing what?

Also do I use my strong or weak Primegrid key?


Strong.



I mean I figured as much but I'm using the same password on the final command:

boinccmd --passwd XYZ --project_attach https://www.primegrid.com/ <full account key>

Getting Authorization failure: -155 after that command.

I'm also running TOP on the Droplet and don't see any sign of BOINC running...?

Is incoming port 31416 a requirement? I can log on with port set to 22 but connection is always refused when I use port 31416 from putty.

EDIT: Looks like a reboot might have fixed everything
EDIT 2: I'm up and running!

Thank you for the help Michael!
7) Message boards : Number crunching : World Maths Day Challenge (Message 133775)
Posted 54 days ago by Profile Jordan Romaidis
Confused on this part now...

3) Choose a BOINC password. We'll use it a bit later.

When did I choose this? I didn't see this option...?

I keep getting Authorization failure: -155

Also do I use my strong or weak Primegrid key?
8) Message boards : Number crunching : World Maths Day Challenge (Message 133774)
Posted 54 days ago by Profile Jordan Romaidis
This is pretty cool! I can see this becoming a "problem"! :P


1) Click on "Droplets" on the main menu and you'll get a list of all your droplets. Move your mouse just to the right of the IP address and click on "copy".
2) Open up a Putty SSH terminal session to that IP address. Login as root. If you have the key set up correctly in Putty, you won't be asked for a password.


I've done everything to the letter up to here. When I login as "root" Putty immeditly throws this error:

Putty Fatal Error Disconnected: No supported authentication methods available (server sent: publickey)


Any ideas?


I'm afraid not. I've never seen that before. The worst thing that usually happens if you set up the key incorrectly of don't have the key agent running is that it asks you for the password.

You can always click on the "console" link on the Digital Ocean website and log in via a web "terminal".


I figured it out.
9) Message boards : Number crunching : World Maths Day Challenge (Message 133772)
Posted 54 days ago by Profile Jordan Romaidis
This is pretty cool! I can see this becoming a "problem"! :P


1) Click on "Droplets" on the main menu and you'll get a list of all your droplets. Move your mouse just to the right of the IP address and click on "copy".
2) Open up a Putty SSH terminal session to that IP address. Login as root. If you have the key set up correctly in Putty, you won't be asked for a password.


I've done everything to the letter up to here. When I login as "root" Putty immeditly throws this error:

Putty Fatal Error Disconnected: No supported authentication methods available (server sent: publickey)


Any ideas?
10) Message boards : Number crunching : World Maths Day Challenge (Message 133771)
Posted 54 days ago by Profile Jordan Romaidis
WHOAH!!!! Thanks for the info!!!


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