Visit our Popular Forums

rgleason · 17-05-2018, 11:04

This thread is dedicated to Linux specific questions.

Bob Brunius · 23-05-2018, 10:28

I have a Ubuntu OpenCPN installation on my boat that has no connection to the internet. How do I upgrade my OpenCPN using a USB drive?

petter5 · 23-05-2018, 11:29

It is possible to download each required package to the usb and install all packages to update manually, but it is time consuming.

Better find a way to connect your ubuntu pc to internet and then disconnect after update.

I assume your boat/plotter is in an area where your phone can connect to internet?, if so, use your phone to setup a wireless hotspot and connect your plotter to that hotspot over wifi and do the upgrade

Code:

sudo apt-get update && sudo apt-get upgrade opencpn*

If your plotter does not have wifi, buy a Raspberry Pi USB WiFi Dongle - it costs less than $10,- plug in to the plotter, connect to the mobile hotspot and run the command above

Quote:

Originally Posted by Bob Brunius

I have a Ubuntu OpenCPN installation on my boat that has no connection to the internet. How do I upgrade my OpenCPN using a USB drive?

Bob Brunius · 23-05-2018, 12:20

Quote:

Originally Posted by petter5

It is possible to download each required package to the usb and install all packages to update manually, but it is time consuming.

Better find a way to connect your ubuntu pc to internet and then disconnect after update.

I assume your boat/plotter is in an area where your phone can connect to internet?, if so, use your phone to setup a wireless hotspot and connect your plotter to that hotspot over wifi and do the upgrade

Code:

sudo apt-get update && sudo apt-get upgrade opencpn*

If your plotter does not have wifi, buy a Raspberry Pi USB WiFi Dongle - it costs less than $10,- plug in to the plotter, connect to the mobile hotspot and run the command above

My computer has a WiFi but is configured to be a hotspot to serve TCP data to other devices.

nohal · 23-05-2018, 12:41

Go to https://launchpad.net/~opencpn/+arch...ncpn/+packages and download the deb package manually. Then install using

Code:

sudo dpkg -i DEB_PACKAGE

If you have some older OpenCPN already installed, there is a decent chance you will not be missing any dependencies. If you will, get those and install them first.

Or disable the hotspot for 5 minutes, connect to the internet and do the upgrade normally.

petter5 · 23-05-2018, 13:54

If adding a (additional) USB dongle and using this for connecting to the internet for doing the upgrade, you will have two networks on your plotter/pc when doing the upgrade - one net for connecting to internet and the other for TCP hotspot services.

You must use another ip address range for the dongle connection to the internet via your mobile hotspot/ wireless than your net using for serving TCP data.
I do that regularly. Just plut in an usb dongle, connect to the internet and do the upgrade - disconnect form internet and remove the usb dongle. DONE :-)

Quote:

Originally Posted by Bob Brunius

My computer has a WiFi but is configured to be a hotspot to serve TCP data to other devices.

Reefmagnet · 23-05-2018, 14:26

Quote:

Originally Posted by Bob Brunius

My computer has a WiFi but is configured to be a hotspot to serve TCP data to other devices.

Choices are;

Buy a second wifi usb dongle for occasional use and configure. Double check the dongle chip is compatible with Ubuntu first (easy google search).

Tether a data enabled phone via usb. This is a cinch to do in Ubuntu.

If you device has wired Ethernet, a wireless router can be used to get internet access from a WiFi hotspot onto the wired port.

petter5 · 23-05-2018, 15:16

If in need for a usb dongle, buy a buy a Raspberry Pi USB WiFi Dongle - it is compatible with ubuntu and coats less than $ 10,-

Quote:

Originally Posted by Reefmagnet

Choices are;

Buy a second wifi usb dongle for occasional use and configure. Double check the dongle chip is compatible with Ubuntu first (easy google search).

Tether a data enabled phone via usb. This is a cinch to do in Ubuntu.

If you device has wired Ethernet, a wireless router can be used to get internet access from a WiFi hotspot onto the wired port.

Bob Brunius · 23-05-2018, 21:51

Quote:

Originally Posted by petter5

I assume your boat/plotter is in an area where your phone can connect to internet?, if so, use your phone to setup a wireless hotspot and connect your plotter to that hotspot over wifi and do the upgrade

Code:

sudo apt-get update && sudo apt-get upgrade opencpn*

I brought my little compter home and hooked it up to a ethernet. So I ran the commands and I get the following error:

E: unable to locate package opencpn.log
E: Couldn't find any package by 'regex opencpn.log'

What's up with that?

petter5 · 24-05-2018, 00:36

Try to do a full upgade:

Code:

sudo apt-get update && sudo apt-get upgrade

Quote:

Originally Posted by Bob Brunius

I brought my little compter home and hooked it up to a ethernet. So I ran the commands and I get the following error:

E: unable to locate package opencpn.log
E: Couldn't find any package by 'regex opencpn.log'

What's up with that?

Bob Brunius · 24-05-2018, 00:54

That worked. There was so much text and it took so long that I thought it was doing a distribution upgrade. If it had I was worried my instrumentation code written in Node.js would be broken. I think it's OK. Tomorrow I take it to the boat -- fingers crossed.

Thanks for your help.

samoorelex · 10-09-2018, 15:34

I have a new system I've setup with Ubuntu 18.04.
I've successfully installed OpenCPN 4.8.6 but I can't get any new plugins to install.
My first impression is that there is something wrong with the package manager.
This is where is has installed from:
Index of /opencpn/opencpn/ubuntu bionic main
Here is what I get when I attempt to install from the terminal.

samoore@samoore-PD10BI:~$ sudo apt-get install opencpn-plugin-draw
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package opencpn-plugin-draw

both draw and b24radar are no-go for now.

Any help would be appreciated.

Cheers,
Sam Moore

nohal · 10-09-2018, 20:53

Many plugins are still missing the Bionic builds in our PPA. For practical reasons I mostly ignore new Ubuntu releases until a new plugin version is available or I have excess of free time to rebuild the old ones. I currently do not have excess of free time.

Pavel