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Linux Wallet Build Guide
To run the Cognitio wallet on a Linux system, you have two options available currently:
1) Pecompiled static headless daemon
You can download this from the releases page (download the file 'cognitiod)':
To start the daemon, open up terminal, navigate to the directory where you have placed cognitiod and then type:
You will see a message saying that it is starting. In order to see more commands, you can type 'cognitiod help' which will display a list of all commands.
2) Compile either the daemon or gui yourself
In order to build the daemon or gui from the source, you will need the following dependencies:
These dependencies are required:
|libssl||SSL Support||Secure communications|
|miniupnpc||UPnP Support||Firewall-jumping support|
|libdb4.8||Berkeley DB||Wallet storage (only needed when wallet enabled)|
|qt||GUI||GUI toolkit (only needed when GUI enabled)|
|protobuf||Payments in GUI||Data interchange format used for payment protocol (only needed when GUI enabled)|
|libqrencode||QR codes in GUI||Optional for generating QR codes (only needed when GUI enabled)|
For the versions used in the release, see release-process.md under Fetch and build inputs.
C++ compilers are memory-hungry. It is recommended to have at least 1 GB of memory available when compiling Cognitio Core. With 512MB of memory or less compilation will take much longer due to swap thrashing.
Dependency Build Instructions: Ubuntu & Debian
sudo apt-get install build-essential libtool automake autotools-dev autoconf pkg-config libssl-dev libgmp3-dev libevent-dev bsdmainutils
For Ubuntu 12.04 and later or Debian 7 and later libboost-all-dev has to be installed:
sudo apt-get install libboost-all-dev
db4.8 packages are available here. You can add the repository using the following command:
sudo add-apt-repository ppa:bitcoin/bitcoin sudo apt-get update
Ubuntu 12.04 and later have packages for libdb5.1-dev and libdb5.1++-dev, but using these will break binary wallet compatibility, and is not recommended.
For other Debian & Ubuntu (with ppa):
sudo apt-get install libdb4.8-dev libdb4.8++-dev
sudo apt-get install libminiupnpc-dev (see --with-miniupnpc and --enable-upnp-default)
Dependencies for the GUI: Ubuntu & Debian
If you want to build the Cognitio GUI wallet, make sure that the required packages for Qt development are installed. Qt 5 is necessary to build the GUI. If both Qt 4 and Qt 5 are installed, Qt 5 will be used.
For Qt 5 you need the following:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler
libqrencode (optional) can be installed with:
sudo apt-get install libqrencode-dev
Compile the wallet
After installing the above dependencies, navigate to the Cognitio source folder in terminal.
To build the GUI wallet, type in:
To build the daemon, type in:
The release is built with GCC and then "strip cognitiod" to strip the debug symbols, which reduces the executable size by about 90%.
tar -xzvf miniupnpc-1.6.tar.gz cd miniupnpc-1.6 make sudo su make install