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scylladb/README.md
Konstantin Osipov fcd52d6187 Update README.md with more recent build instructions on Ubuntu
Building on Ubuntu 18 or 19 following the current build instructions
doesn't work. Add information about a few pitfalls. Switch README.md
to recommending dbuild and move the details to HACKING.md.

Message-Id: <20190520152738.GA15198@atlas>
2019-05-29 12:26:12 +03:00

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# Scylla
## Quick-start
To get the build going quickly, Scylla offers a [frozen toolchain](tools/toolchain/README.md)
which would build and run Scylla using a pre-configured Docker image.
Using the frozen toolchain will also isolate all of the installed
dependencies in a Docker container.
Assuming you have met the toolchain prerequisites, which is running
Docker in user mode, building and running is as easy as:
```bash
$ ./tools/toolchain/dbuild ./configure.py
$ ./tools/toolchain/dbuild ninja build/release/scylla
$ ./tools/toolchain/dbuild ./build/release/scylla --developer-mode 1
```
Please see [HACKING.md](HACKING.md) for detailed information on building and developing Scylla.
**Note**: GCC >= 8.1.1 is required to compile Scylla.
## Running Scylla
* Run Scylla
```
./build/release/scylla
```
* run Scylla with one CPU and ./tmp as data directory
```
./build/release/scylla --datadir tmp --commitlog-directory tmp --smp 1
```
* For more run options:
```
./build/release/scylla --help
```
## Building Fedora RPM
As a pre-requisite, you need to install [Mock](https://fedoraproject.org/wiki/Mock) on your machine:
```
# Install mock:
sudo yum install mock
# Add user to the "mock" group:
usermod -a -G mock $USER && newgrp mock
```
Then, to build an RPM, run:
```
./dist/redhat/build_rpm.sh
```
The built RPM is stored in ``/var/lib/mock/<configuration>/result`` directory.
For example, on Fedora 21 mock reports the following:
```
INFO: Done(scylla-server-0.00-1.fc21.src.rpm) Config(default) 20 minutes 7 seconds
INFO: Results and/or logs in: /var/lib/mock/fedora-21-x86_64/result
```
## Building Fedora-based Docker image
Build a Docker image with:
```
cd dist/docker
docker build -t <image-name> .
```
Run the image with:
```
docker run -p $(hostname -i):9042:9042 -i -t <image name>
```
## Contributing to Scylla
[Hacking howto](HACKING.md)
[Guidelines for contributing](CONTRIBUTING.md)