Couchbase is an open-source, distributed key-value based NoSQL database. It comes in two flavors: Enterprise Edition (EE) and Community Edition (CE). Usually first to be released with new updates and bug fixes after testing and QA processes, the Enterprise Edition is the most up-to-date edition of Couchbase. Following suit, the Community Edition gets released shortly afterwards.
In this DigitalOcean guide, we will discuss how Installing from source (compiling) works. We will be making use of various tools that (should) come with your Linux distribution of choice. Here, we are targeting Debian based systems in particular. However, upon simple installation of the other items listed below, you should be able to follow the rest to achieve our goal of Installing Couchbase from source. Installation of the necessary external tools are also explained in this article.
Building applications on Unix systems can appear scary to some but it is generally easier than you think. Although it should be noted that there are other tools to achieve the same task, we will be using GNU make to build Couchbase here. GNU make is one of the most widespread utilities because it has been built into Unix systems since its introduction in late 70s. It became really popular for its system-independent nature and its ability to combine commands and instructions into a single file, which are referred as makefiles. For more information on make visit http://en.wikipedia.org/wiki/Make_(software).
Many system administrators choose to build software from source as it can help to solve problems caused by deb/rpm (pre-made) packages. It also allows you to customize the installation process, to have multiple versions of the same application on a single system and to use the desired one without worrying about pre-built binaries (compiled files).
Version control systems are used to manage changes to projects’ files, enabling you to track them and their origins. One of the most popular ones is called Git. It is a distributed version control system created to manage the Linux Kernel project itself. Being widely popular, it is used by many others. Our target application, Couchbase, uses Github to host its Git repository online. From there, we checkout a branch (a version of Couchbase) to start working on it. Checking out will download a copy of source code on our local system which then we will build using make.
Different Linux distributions come with different default software packages needed for managing the system. It’s also important to remember that your system’s default package manager won’t be aware of applications installed this way. The responsibility to maintain them (update, upgrade etc.) remains with you.
With all that said, let’s begin!
We’re going to update the default software of our Linux system and enrich its toolbase with the following items:
In order to update the system, run the following commands on Debian and Ubuntu:
sudo aptitude update sudo aptitude upgrade
To install Repo application (ref. http://source.android.com/source/downloading.html)
We need to make sure that we have a
bin directory to put Repo’s executables. In order to do that, run the following to create it and include it in our
mkdir ~/bin PATH=~/bin:$PATH
Repo tool using cURL tool and ensure that it’s executable (via chmod):
curl http://commondatastorage.googleapis.com/git-repo-downloads/repo > ~/bin/repo chmod a+x ~/bin/repo
Couchbase, depending on the distribution, will need various libraries and applications, including, but not limited to:
In order to install these libraries on Debian and Ubuntu, run the following commands successively:
aptitude install -y --without-recommends build-essential automake libtool pkg-config check libssl-dev sqlite3 libevent-dev libglib2.0-dev libcurl4-openssl-dev erlang-nox curl erlang-dev erlang-src ruby libmozjs-dev libicu-dev libv8-dev libcloog-ppl0 libsnappy-dev aptitude install -y --without-recommends git-core
Please Note (Ubuntu):
Since Ubuntu lacks the
libmozjs-dev library, you will also need to install the
xulrunner-dev library with the following command in addition to the above:
aptitude install -y xulrunner-dev
We now need to let Git know on our local system who we are before checking out the branch of Couchbase from Github. So let’s run the following:
git config --global user.email firstname.lastname@example.org git config --global user.name your_name
Folder preparations and the downloading of the Couchbase source
As of October 2013, Couchbase’s recent releases have the following manifests which we can use to clone the source from:
Let’s begin with preparing the Couchbase source download and installation folder using mkdir:
mkdir couchbase cd couchbase
Now we may clone the Couchbase 2.1.1 release using the the manifest file via Repo tool with the
repo init -u git://github.com/couchbase/manifest.git -m rel-2.1.1.xml repo sync
After the above steps, we’re now ready to build source code using
make on Debian. However, for Ubuntu, we will need to specify and link with
We can directly run the
make command and start the building procedure.
Let’s verify that
xulrunner-dev library is installed and check its version with apt-cache for linking with make tool:
apt-cache policy xulrunner-dev
And in order to find the location of
xulrunner on the system path in /usr/include/ and /usr/lib/, let’s use the list tool with directory information option
ls -ld /usr/lib/xulrunner-devel* ls -ld /usr/include/xulrunner*
Now we can prepare the make command accordingly, linking with
xulrunner folder and its correct version:**
make couchdb_EXTRA_OPTIONS='--with-js-include=/usr/include/xulrunner-17.0 --with-js-lib=/usr/lib/xulrunner-devel-17.0/sdk/lib/'
Setting system limits for Couchbase
After the successful build, we need to set limits on our system which Couchbase needs:
ulimit -n 10240 ulimit -c unlimited
Running and configuring Couchbase:
We are ready to run the Couchbase server using the binary file we built residing in the
/bin directory of the installation folder.
And to configure the Couchbase installation and join it to clusters, we can access the web console by visiting the port 8091, located at the host address (IP or hostname of our VPS):
For common errors where you might encounter, please visit Couchbase for the troubleshooting common errors page currently located at:
For further details about building and manifesting files, please refer to the Couchbase Git repository manifest located at:
<div class=“author”>Submitted by: <a href=“https://twitter.com/ostezer”>O.S. Tezer</div>
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