# \#linux
**URL:** https://discuss.bitrise.io/tag/linux/115.md
[Latest](https://discuss.bitrise.io/latest.md) · [Categories](https://discuss.bitrise.io/categories.md) · [Tags](https://discuss.bitrise.io/tags.md)
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## [🐳 Reusable container definitions in the Workflow Editor](https://discuss.bitrise.io/t/reusable-container-definitions-in-the-workflow-editor/25823)
**Author:** [@kaushal.bitrise](https://discuss.bitrise.io/u/kaushal.bitrise)\
**Replies:** 0\
**Last updated:** [March 25, 2026, 1:45pm UTC](https://discuss.bitrise.io/t/reusable-container-definitions-in-the-workflow-editor/25823 "2026-03-25T13:45:42Z")
Docker containers on Bitrise are now much easier to set up, reuse, and manage. Create container definitions in the Workflow Editor, attach them to any Step or Step Bundle, and skip the With group boilerplate entirely. …
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## [Consistent error when using apt on Ubuntu 20.04](https://discuss.bitrise.io/t/consistent-error-when-using-apt-on-ubuntu-20-04/18152)
**Author:** [@vince.delricco](https://discuss.bitrise.io/u/vince.delricco)\
**Replies:** 4\
**Last updated:** [October 5, 2021, 8:37am UTC](https://discuss.bitrise.io/t/consistent-error-when-using-apt-on-ubuntu-20-04/18152 "2021-10-05T08:37:16Z")
Bitrise Build Issue Report template Description of the issue Every build fails when trying to use apt to install a package or add a ppa repo; + add-apt-repository --yes ppa:rpardini/adoptopenjdk Ign:1 https://deb.nodeso…
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## [How to add Swap on Linux/Android/Docker stack](https://discuss.bitrise.io/t/how-to-add-swap-on-linux-android-docker-stack/3557)
**Author:** [@viktorbenei](https://discuss.bitrise.io/u/viktorbenei)\
**Replies:** 7\
**Last updated:** [March 3, 2018, 10:17am UTC](https://discuss.bitrise.io/t/how-to-add-swap-on-linux-android-docker-stack/3557 "2018-03-03T10:17:42Z")
UPDATE: swap is now pre-configured on all stacks since: Weekly Virtual Machine / Stack updates - 2018.02.24 (added swap to Linux/Android stacks, the Mac ones already had swap configured). You can of course still reconfi…