How to Install Bitcoin Core Wallet on Ubuntu 16.04 and Ubuntu 16.10

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Follow MultiBitOrg on Twitter for official announcements and occasional news items. We recommend SpiderOak as a privacy-conscious cloud backup provider. The first 2Gb are free. We have a Getting Started guide so you can be up and running with Bitcoin quickly and safely.

The Linux installer does not come with a pre-packaged Java installation due to the huge variety of Linux distros that are available. Consequently you will need to arrange for a suitable JVM to be installed prior to running the installer. We recommend Open Java 1. Assuming you have a suitable JVM installed and have downloaded the installer to your home directory, do the following at the command shell:.

It will appear on first startup. Alternatively you can run from the command line as follows you'll see a lot of logging messages this way:. After running the installer you may need to run some scripts to further integrate MultiBit HD into your environment. In particular the KeepKey support requires certain udev rules to be in place. The following sections provide these scripts. If you have a distro that is not included and have a script you'd like to share please let us know through the website issue link at the foot of the page.

Then do the following:. When complete you will have a launch icon in the dock that you can locate using "MultiBit" in the search. Here are some common solutions to known problems. The error manifests when trying to add a password to a wallet and occurs deep within the platform-specific parts of the JVM. If this affects you the error will be like this:. To install Oracle's JDK do the following:. However further research found a reliable workaround involving deleting libscrypt.

It may be that your system does not have a default browser available in which case you may need to add one manually. Assuming that you have installed MultiBit HD and run the post-install script this should work out of the box. It should prompt for a handler and give you the option to make this choice permanent. This means that over time you will see memory use increase as various activities take place.

Synchronizing with the block chain is a memory-intensive process and during the initial sync or a Repair Wallet operation you will notice an increase. By default MultiBit HD will not consume more than the lesser of one quarter of your system memory or 1Gb. This default is sufficient to allow for smooth and responsive operations on most systems.

However, MultiBit HD can continue to work with only Mb allocated to it although performance tends to reduce. If you want to change the memory allocated to MultiBit HD you will need to start it with a command line parameter like this -Xmxm for a total memory allocation of Mb or 1Gb.

Quick install guide After download completes double-click the installer icon We recommend using the default settings It is safe to overwrite an earlier version if prompted Any existing wallet files and configuration will not be affected If you are new to Bitcoin you should watch the video so you know what to expect. How to install on Linux The Linux installer does not come with a pre-packaged Java installation due to the huge variety of Linux distros that are available.

Assuming you have a suitable JVM installed and have downloaded the installer to your home directory, do the following at the command shell: Alternatively you can run from the command line as follows you'll see a lot of logging messages this way: Please check the Unity dock. Then do the following: If this affects you the error will be like this: To install Oracle's JDK do the following: Clicking a Bitcoin link in Firefox doesn't work Assuming that you have installed MultiBit HD and run the post-install script this should work out of the box.

Related articles Here are some related articles: Getting started How to check signatures.

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In this article, we will learn how to limit the outgoing bandwidth of Bitcoin Core formerly Bitcoin-qt , so we can leave it listening in the background without completely saturating our internet connection. To do this, your internet connection needs to be able to accept incoming connections on TCP port After you have the port forwarded for a few hours, however, you may notice your internet connection becoming unresponsive for other things like web surfing.

Some routers support QoS, which is a way of prioritizing important traffic like web browsing over baseline traffic like bitcoin traffic. If your router supports QoS, then you should use it instead of following this guide to limit bandwidth — this guide is for those of us whose routers choke up when Bitcoin Core is running. If you limit the bandwidth of Bitcoin Core far below your actual upload speed, it can actually harm the Bitcoin network instead of helping it.

To be a responsible maintainer of the Bitcoin network, you should test your upload speed and then set your outgoing bandwidth limit to be as close to your actual speed as possible e. This guide is intended solely for people whose internet connections go unresponsive due to Bitcoin Core completely saturating their upload bandwidth. On Windows, there are a few choices available for limiting the bandwidth of an application.

The free version of NetBalancer allows the user to limit the bandwidth of up to 3 apps at once, and since we only need to limit bandwidth on one app Bitcoin Core , NetBalancer will be sufficient for this tutorial. In OS X versions before In OS X Apple provides their own method of limiting bandwidth for developers Network Link Conditioner , but unfortunately it affects the network speed system-wide, rather than allowing the user to choose which apps to throttle.

The result is that on OS X For OS X Save your edit, exit the profile manager, choose your new profile, and flip the big switch to enable the limiter:.

We want to limit outgoing traffic on TCP Port Alternatively, if you want a simple way to control the overall system bandwidth limit instead of just Bitcoin Core, follow the instructions above for OS X Make sure you have tc installed by typing tc at the command line. Open the script in a text editor. My computer is connected wirelessly through wlan1 , so the IF line of my tc. This line is there to make a bandwidth exception for port communications within your local network i.

Leave the rest of the commands in tc. The final top section of my tc. Optionally, you can set the script to run every time you start your computer. Instructions for running scripts on boot will vary depending on your Linux distribution. Hope you enjoyed this tutorial, and please leave any thoughts in the comments! Please enable JavaScript to view the comments powered by Disqus.