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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2019-09-10 19:17:39 +0200
committerGitHub <noreply@github.com>2019-09-10 19:17:39 +0200
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treec956513692f2052d73a2889413fd805e123f006e /docs/tutorials/rootless_tutorial.md
parent095647cd6f67fcc761ef49460bb94ba5cc38a1c3 (diff)
parent3d240bd7953c7c666c4a42f230cf40f1095abbee (diff)
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Merge pull request #3817 from xcffl/master
Add explanation mounting named volumes for `podman run`
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@@ -22,6 +22,8 @@ The [slirp4netns](https://github.com/rootless-containers/slirp4netns) package pr
When using Podman in a rootless environment, it is recommended to use fuse-overlayfs rather than the VFS file system. Installing the fuse3-devel package gives Podman the dependencies it needs to install, build and use fuse-overlayfs in a rootless environment for you. The fuse-overlayfs project is also available from [GitHub](https://github.com/containers/fuse-overlayfs). This especially needs to be checked on Ubuntu distributions as fuse-overlayfs is not generally installed by default.
+If podman is installed before fuse-overlayfs, it may be necessary to change the `driver` option under `[storage]` to `"overlay"`.
+
### Enable user namespaces (on RHEL7 machines)
The number of user namespaces that are allowed on the system is specified in the file `/proc/sys/user/max_user_namespaces`. On most Linux platforms this is preset by default and no adjustment is necessary. However on RHEL7 machines a user with root privileges may need to set that to a reasonable value by using this command: `sysctl user.max_user_namespaces=15000`.