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‎user/reference/bionic.md

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```markdown
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---
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title: The Ubuntu 18.04 Build Environment
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layout: en
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## What This Guide Covers
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This guide provides an overview of the packages, tools and settings available in the Bionic environment.
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This guide provides an overview of the packages, tools, and settings available in the Bionic environment.
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## Using Ubuntu 18.04 (Bionic Beaver)
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```
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{: data-file=".travis.yml"}
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## Environment Common to All Ubuntu 18.04 Images
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## Differences from the previous release images
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The following versions of Docker, version control software, compilers, and language support are available on all Ubuntu 18.04 builds. All preinstalled software not provided by the distro is installed from an official release — either a prebuilt binary if available, or a source release built with default options.
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Travis CI Ubuntu 18.04, Bionic, includes the following changes and improvements:
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### Version Control
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### Third party apt-repositories removed
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While third party apt-repositories are used during the image provisioning, they are all removed from the Bionic build image. This has two benefits; a) reduced risk of unrelated interference and b) faster apt-get updates.
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To specify a third party apt-repository, you can [add the source with the apt addon](/user/installing-dependencies/#adding-apt-sources) and specify the packages. For example:
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```yaml
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dist: bionic
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addons:
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apt:
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sources:
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- ppa:chris-lea/redis-server
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packages:
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- redis-tools
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- redis-server
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```
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{: data-file=".travis.yml"}
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If you depend on these repositories in your build, you can use the following `source` line to get them back:
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| package | source |
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|:---------------------|:-----------------------------|
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| couchdb | `https://couchdb.apache.org/repo/` |
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| docker | `docker` |
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| google-chrome-stable | `google-chrome` |
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| git-lfs | `github-git-lfs-bionic` |
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| git-ppa | `ppa:git-core/ppa` |
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| haskell | `ppa:hvr/ghc` |
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| mongodb | `mongodb-4.4-bionic` |
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| pollinate | `ppa:pollinate/ppa` |
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{: style="width: 80%" }
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### Services disabled by default
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On the Ubuntu 18.04 based environment, to speed up boot time and improve performance we've disabled all services by default.
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Add any services that you want to start to your `.travis.yml`:
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```yaml
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services:
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- mysql
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- redis
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```
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{: data-file=".travis.yml"}
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## Environment common to all Ubuntu 18.04 images
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The following versions of Docker, version control software and compilers are present on all Ubuntu 18.04 builds, along with more language specific software described in more detail in each language section.
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All preinstalled software not provided by distro is installed from an official release --
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either a prebuilt binary if available, or a source release built with default options.
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For preinstalled language interpreters, a standard version manager like `rvm` is used if available for the language.
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### Version control
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| package | version |
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|:--------|:---------|
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| git | `2.43.0` |
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| git-lfs | `2.3.4` |
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| hg | `5.3` |
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| svn | `1.9.7` |
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| Package | Version |
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|:-------------|:----------|
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| **git** | `2.43.0` |
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| **git-lfs** | `2.3.4` |
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| **hg** | `5.3` |
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| **svn** | `1.9.7` |
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{: style="width: 30%" }
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### Compilers and Build toolchain
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### Compilers and Build Toolchain
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* clang and llvm 16
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* cmake 3.26.3
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* gcc 7.5.0
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* ccache 3.4.1
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* shellcheck 0.10.0
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* shfmt 3.8.0
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To use the IBM Advance Toolchain v14 compilers under `ppc64le` architecture in Focal LXD image, use the following paths in your `.travis.yml`:
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- GCC compiler
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- Path: `/opt/at14.0/bin/gcc`
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- Command: `/opt/at14.0/bin/gcc hello_world.c -o hello_world`
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- g++ compiler
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- Path: `/opt/at14.0/bin/g++`
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- Command: `/opt/at14.0/bin/g++ hello_world.cpp -o hello_world`
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| Tool | Version |
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|:---------------|:-----------|
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| **clang** | `18.1.8` |
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| **cmake** | `3.26.3` |
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| **gcc** | `7.5.0` |
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| **ccache** | `3.4.1` |
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| **ShellCheck** | `0.10.0` |
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| **shfmt** | `3.8.0` |
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{: style="width: 30%" }
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- Go compiler
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- Path: `/opt/at14.0/bin/gccgo`
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- Command: `/opt/at14.0/bin/gccgo hello_world.go -o hello_world`
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### Docker
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- Python
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- First, compile Python 3.8.0 using the `python_interpreter.sh script`.
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- Python Interpreter Path: `/opt/python380-at14/python3.8`
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- Build Python Command: `sudo sh python_interpreter.sh`
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| Package | Version |
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|:-------------------|:----------------------------------|
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| **Docker** | `24.0.2` (build cb74dfc) |
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| **docker-compose** | `v2.20.3` |
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{: style="width: 30%" }
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To use the IBM Advance Toolchain v14 compilers under `amd64` architecture in Focal LXD image, use the following paths in your `.travis.yml`:
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### Ruby Support
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- GCC compiler
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- Path: `/opt/at14.0/bin/powerpc64le-linux-gnu-gcc`
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- Command: `/opt/at14.0/bin/powerpc64le-linux-gnu-gcc hello_world.c -o hello_world`
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* **Pre-installed Ruby**:
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* `ruby 3.3.5`
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* Other Ruby versions (e.g. 2.7.x, 3.1.x) can be installed during build time.
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- g++ compiler
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- Path: `/opt/at14.0/bin/powerpc64le-linux-gnu-g++`
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Command: `/opt/at14.0/bin/powerpc64le-linux-gnu-g++ hello_world.cpp -o hello_world`
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### Python Support
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- Go compiler
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- Path: `/opt/at14.0/bin/powerpc64le-linux-gnu-gccgo`
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- Command: `/opt/at14.0/bin/powerpc64le-linux-gnu-gccgo hello_world.go -o hello_world`
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* **Supported Python versions:** 3.6 or higher.
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- Python
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- First, compile Python 3.8.0 using the `python_interpreter.sh script`.
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- Python Interpreter Path: `/opt/python380-amd64/python3.8`
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- Build Python Command: `sudo sh python_interpreter.sh`
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The following Python versions are directly callable:
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### Docker
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| Alias | Version |
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|:---------|:----------|
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| **3.6** | `3.6.9` |
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| **3.7** | `3.7.17` |
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| **3.8** | `3.8.18` |
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| **3.12** | `3.12.4` |
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### JavaScript and Node.js Support
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* Docker 24.0.2 is installed
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* docker-compose 2.18.1
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* For builds specifying `language: node_js`, `nvm` is automatically updated to the latest version at build time.
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* The default Node.js version available on the machine is:
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* `v16.15.1`
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* Additional Node.js versions are available through nvm if configured.
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## Ruby support
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### Go Support
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* Pre-installed Rubies: `2.5.9`, `2.7.6` and `3.3.0`.
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* The default ruby is `3.3.0`.
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* Other ruby versions can be installed during build time.
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* **Pre-installed Go:**
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* `go version go1.23.6 linux/amd64`
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Additional Go versions can be installed during build time by specifying the language version with the `go:` key.
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## Python support
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### JVM (Clojure, Groovy, Java, Scala) Support
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* Supported Python versions: `3.6` or higher.
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* Python `3.12.0` will be used when no language version is explicitly set.
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* The following Python versions are preinstalled:
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* **Pre-installed JVMs:**
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* Default Java:
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* `openjdk version "11.0.21" 2023-10-17 LTS`
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* Other JDKs, including Oracle's, can be acquired if available by specifying the `jdk` key.
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* The following JVM tooling is preinstalled:
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| alias | version |
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| :----- | :------- |
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| 3.6 | 3.6.15 |
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| 3.7 | 3.7.17 |
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| 3.8 | 3.8.18 |
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| 3.12 | 3.12.0 |
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| Package | Version |
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|:-----------|:----------|
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| **Gradle** | `8.3` |
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| **Maven** | `3.9.4` |
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| **Groovy** | `4.0.15` |
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{: style="width: 30%" }
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If you're getting errors about PyPy `pypy is not installed; attempting download`, use one of the more recent versions.
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## JavaScript and Node.js support
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* For builds specifying `language: node_js`, `nvm` is automatically updated to the latest version at build time. For other builds, the stable version at image build time has been selected, which is 0.10.48.
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* The following NodeJS versions are preinstalled: `20.14.0`, `18.20.3`, `16.20.2`, `16.15.1`, `16.15`, `12.22.12`, `10.24.1`, `8.17.0`, `6.17.1` and `4.9.1`.
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## Go support
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### Perl Support
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* Pre-installed Go: `1.18.1`
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* The default Perl version on Ubuntu 18.04 is provided by the system.
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* Additional Perl versions can be installed using the `perl:` key.
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* Tools like `TAP::Harness` and `cpanm` are also available.
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* Other Go versions can be installed during build time by specifying the language versions with the `go:`-key.
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### PHP Support
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## JVM (Clojure, Groovy, Java, Scala) support
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* Pre-installed JVMs: `openjdk8`, `openjdk9`, `opnejdk10` and `openjdk11` on x86, default
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is `openjdk11`.
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* For dynamic runtime selection, `phpenv` is available.
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* The preinstalled PHP version on this image is:
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* `PHP 7.2.27` (CLI)
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* If a different version is required, it can be installed during the build.
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* Other JDKs, including Oracle's, can be acquired if available by specifying `jdk`.
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#### Extensions for PHP 7.2 and Higher
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* The following table summarizes the Pre-installed JVM tooling versions:
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The following extensions are preinstalled for PHP builds:
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| package | version |
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|:--------|:--------|
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| gradle | 8.3 |
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| maven | 3.9.4 |
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| groovy | 4.0.15 |
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{: style="width: 30%" }
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- [apcu.so](http://php.net/apcu)
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- [memcached.so](http://php.net/memcached) (Not preinstalled for > PHP8.0)
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- [mongodb.so](https://php.net/mongodb)
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- [amqp.so](http://php.net/amqp)
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- [zmq.so](http://zeromq.org/bindings:php)
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- [xdebug.so](http://xdebug.org)
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- [redis.so](http://pecl.php.net/package/redis)
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## Perl support
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> **Note:** With the exception of xdebug, these extensions are not enabled by default.
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* Default version on Bionic is `5.33`
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* Supported versions `5.32` and `5.33` can be installed by using the `perl:`-key.
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* `TAP::Harness` v3.38 and `cpanm` (App::cpanminus) version 1.7044 are also pre-installed.
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### Databases and Services
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## PHP support
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The following services and databases are preinstalled but do not run by default. To use any in your build, add the service to your `.travis.yml`:
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* For dynamic runtime selection, `phpenv` is available.
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* The following PHP versions are preinstalled:
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| alias | version |
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| :----- | :------- |
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| 7.1 | 7.1.33 |
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| 7.2 | 7.2.27 |
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| 7.3 | 7.3.14 |
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| 7.4 | 7.4.2 |
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| Service | Version / Notes |
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|:---------------|:------------------------------------------------------------------------|
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| **MongoDB** | `v4.4.29` |
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| **MySQL** | `5.7.42` |
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| **Redis** | `7.2.5` |
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| **PostgreSQL** | *`psql` is not installed by default. Install using `apt-get install postgresql-client-common` if needed.* |
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{: style="width: 30%" }
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### Extensions
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#### PHP 7.1 and higher
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### Android Support
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The following extensions are preinstalled for PHP 7.1 and higher builds:
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For Android builds, the environment provides comprehensive support with the following pre-installed components:
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- [apcu.so](http://php.net/apcu)
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- [memcached.so](http://php.net/memcached) (Not preinstalled for > PHP8.0)
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- [mongodb.so](https://php.net/mongodb)
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- [amqp.so](http://php.net/amqp)
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- [zmq.so](http://zeromq.org/bindings:php)
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- [xdebug.so](http://xdebug.org)
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- [redis.so](http://pecl.php.net/package/redis)
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- **Android SDK Components** – Installed components include:
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- `tools`
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- `platform-tools`
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- `build-tools;30.0.0`
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- `platforms;android-30`
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- `extras;google;google_play_services`
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- `extras;google;m2repository`
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- `extras;android;m2repository`
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Please note that these extensions are not enabled by default with the exception
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of xdebug.
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## Databases and services
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The following services and databases are preinstalled but but do not run by default.
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To use one in your build, add it to the services key in your `travis.yml` :
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| service | version |
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|:-----------|:---------------|
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| mongodb | 4.4.29 |
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| mysql | 5.7.42 |
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| redis | 7.2.5 |
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| postgresql | 9.3 9.4 9.5 9.6 10 11 |
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{: style="width: 30%" }
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To use Android, specify `language: android` in your `.travis.yml` and refer to the [Android Build Environment Guide](/user/languages/android/) for additional configuration details.
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## Other Ubuntu Linux Build Environments
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You can have a look at the [Ubuntu Linux overview page](/user/reference/linux/) for the different Ubuntu Linux build environments you can use.
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For details on other Ubuntu Linux build environments available on Travis CI, please refer to the [Ubuntu Linux overview page](/user/reference/linux/).
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```

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