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Fix podman rootless install instructions 

Manually add the required capabilities to the `newuidmap` and `newgidmap` binaries
This commit is contained in:
Jip-Hop 2024-05-08 22:59:03 +02:00
parent 03fcb961b7
commit 6851ad2cd1
2 changed files with 8 additions and 6 deletions
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9
templates/podman/README.md
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@ -46,6 +46,10 @@ usermod --del-subuids 0-4294967295 --del-subgids 0-4294967295 rootless
# Set a specific range, so it fits inside the number of available UIDs
usermod --add-subuids 65536-131071 --add-subgids 65536-131071 rootless
# Add the required capabilities to the `newuidmap` and `newgidmap` binaries
setcap cap_setuid+eip /usr/bin/newuidmap
setcap cap_setgid+eip /usr/bin/newgidmap
# Check the assigned range
cat /etc/subuid
# Check the available range
@ -120,4 +124,7 @@ Resources mentioning `add_key keyctl bpf`
Resources mentioning `@keyring`
- https://github.com/systemd/systemd/issues/17606
- https://github.com/systemd/systemd/blob/1c62c4fe0b54fb419b875cb2bae82a261518a745/src/shared/seccomp-util.c#L604
`@keyring` also includes `request_key` but doesn't include `bpf`
`@keyring` also includes `request_key` but doesn't include `bpf`
Resources mentioning `cap_setuid+eip`, `cap_setgid+eip`, `newuidmap` and `newgidmap`
- https://github.com/containers/podman/issues/2788#issuecomment-1016301663
- https://github.com/containers/podman/issues/12637#issuecomment-996524341

5
templates/podman/config
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@ -31,11 +31,6 @@ release=39
initial_setup=#!/usr/bin/bash
set -euo pipefail
dnf -y install podman
# Add the required capabilities to the `newuidmap` and `newgidmap` binaries
# https://github.com/containers/podman/issues/2788#issuecomment-1016301663
# https://github.com/containers/podman/issues/12637#issuecomment-996524341
setcap cap_setuid+eip /usr/bin/newuidmap
setcap cap_setgid+eip /usr/bin/newgidmap
# You generally will not need to change the options below
systemd_run_default_args=--property=KillMode=mixed