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Ubuntu26 - Fix changes in Podman networking#471

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jjo93sa wants to merge 1 commit into
azimuth-cloud:mainfrom
jjo93sa:fix/podman-guacamole-ubuntu26
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Ubuntu26 - Fix changes in Podman networking#471
jjo93sa wants to merge 1 commit into
azimuth-cloud:mainfrom
jjo93sa:fix/podman-guacamole-ubuntu26

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@jjo93sa

@jjo93sa jjo93sa commented Jun 19, 2026

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Ubuntu26 uses Podman v5.7.0, where as Ubuntu24 uses v4.9.3. In Podman 5.0 the default network program was changed from "slirp4netns" to "pasta".

This change broke the network connectivity for the Guacamole container - no ssh connection was seen when the Web Console was opened.

Since it seems that pasta is the preferred network programme of choice going forward, this change amends the host IP in the guacamole user mapping, but only for Ubuntu26 and later. The change has been tested on Ubuntu22, Ubuntu24 and Ubuntu26.

Ubuntu26 uses Podman v5.7.0, where as Ubuntu24 uses v4.9.3. In Podman
5.0 the default network program was changed from "slirp4netns" to "pasta".

This change broke the network connectivity for the Guacamole container -
no ssh connection was seen when the Web Console was opened.

Since it seems that pasta is the preferred network programme of choice
going forward, this change amends the host IP in the guacamole user
mapping, but only for Ubuntu26 and later. The change has been tested on
Ubuntu22, Ubuntu24 and Ubuntu26.
@jjo93sa
jjo93sa requested a review from a team as a code owner June 19, 2026 08:52
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