Build podman v3 on RHEL 7
by Tony Huang
Hi,
Has anyone been able to build podman v3 on RHEL 7? (workstation or server) The getting started guide doesn't mention on the required RHEL release to build podman v3 from scratch. Please advise ...
Thanks in advance!
--Tony
4 years, 12 months
Permissions on top level of mounted volume in rootless container
by Peter Upfold
Hello,
I'm struggling a little with the permissions set on the top level
directory of a volume that is mounted in a rootless container.
My Containerfile:
https://gist.github.com/PeterUpfold/2f63ad5341ffd9079bc2683a5bb2744c
The top level directory of the volume mount,
/var/www/html/websites/windows, ends up with root:nobody and 0755
permissions inside the container.
I've seen similar issues on this list: Daniel Walsh's suggestion of
`--annotation run.oci.keep_original_groups=1` seems to work beautifully
to change the ownership of the volume folder in the container to be
windowsnoob:windowsnoob, as I would want it, _if_ I'm doing `podman run`.
However, I'm trying to create a pod as follows. Is it possible to have
this permissions configuration work in this scenario?
podman pod create -n windowsnoob -p 8081
podman build -t windowsnoob-fpm .
podman create --name windowsnoob-fpm --pod windowsnoob -v
/var/www/html/websites/windows:/var/www/html/websites/windows:Z,noexec,nodev,rw
windowsnoob-fpm
podman pod start windowsnoob
At the moment, doing this and checking the permissions on the
/var/www/html/websites/windows volume in the created container (via
`podman exec -it [container] bash`) still shows the following:
drwxr-xr-x. 2 root nobody 28 Feb 14 09:45 windows
(Note that I can write to a subfolder already owned by
windowsnoob:windowsnoob _inside_ the volume just fine — I don't believe
this is an SELinux issue, or a permissions issue on anywhere except the
top level of the volume mount!)
Thank you for any insight you might be able to provide!
Peter Upfold
4 years, 12 months
Podman Community Meeting Recoring - April 6, 2021
by Tom Sweeney
Hi All,
The April 2021 Podman Community Meeting finished up just a little bit
ago and the recording is available for viewing at:
https://bluejeans.com/s/@f3vA2PsK7a
The next Podman Community Meeting is Tuesday May 4th, 2021 at 11:00 a.m.
Eastern (UTC-4). We're currently looking for topics on Podman, Buildah,
Skopeo or other related container technnologies, please let me know if
you'd like to present. Bonus points if you can work in a Star Wars
reference that day!
t
5 years
unknown capability CAP_PERFMON
by lejeczek
Hi guys.
My podman created a network, just with:
-> $ podman network create
/home/podmania/.config/cni/net.d/cni-podman0.conflist
then created a pod:
-> $ podman pod create --network cni-podman0 --hostname some
---name some
then tried to create a container:
-> $ podman run -it --pod=some --name some-nettols
docker.io/pmietlicki/nettools
ERRO[0000] error starting some container dependencies
ERRO[0000] "container_linux.go:370: starting container
process caused: unknown capability \"CAP_PERFMON\": OCI
runtime error"
Error: error starting some containers: internal libpod error
Is that a limitation by design? I see that while run
"rootless" and am on CentOS Stream with:
podman-3.1.0-0.13.module_el8.5.0+733+9bb5dffa.x86_64
4.18.0-294.el8.x86_64
many thanks, L.
5 years
New Podman CVE: CVE-2021-20291
by Matt Heon
Hi,
In the last few days, a new CVE affecting Podman, CVE-2021-20291, was
made public. This vulnerability affects the containers/storage library
and can cause a denial of service if the user pulls a
specially-crafted image, causing most Podman commands to hang. The
Podman team does not feel that this is a serious vulnerability, as any
affected Podman image pull can be killed without adverse effect on
other Podman processes and running containers. However, we still
encourage all users to upgrade to the latest Podman release, Podman
v3.1.0, which resolves the issue.
Thanks,
Matt Heon
5 years
applying VLAN ip to podman
by andrewm659＠yahoo.com
I am trying to give my container its own IP address. I am using the macvlan and have it setup. Am I doing this wrong?
[ameyer@podman01 ~]$ sudo podman run --privileged --ip 10.150.11.41 --mac-address 2A:7C:AA:ED:A2:AE --name=pihole --dns=1.1.1.1 -e TZ=America/Chicago -e SERVERIP=10.150.11.41 -e ServerIP=10.150.11.41 -e WEBPASSWORD=secret -e DNS1=1.1.1.1 -e DNS2=1.0.0.1 -e DNSSEC=true -e CONDITIONAL_FORWARDING=true -e CONDITIONAL_FORWARDING_IP=10.150.10.1 -e CONDITIONAL_FORWARDING_DOMAIN=lan -e TEMPERATUREUNIT=f -v pihole_pihole:/etc/pihole:Z -v pihole_dnsmasq:/etc/dnsmasq.d:Z docker.io/pihole/pihole
ERRO[0002] Error adding network: failed to allocate all requested IPs: 10.150.11.41
ERRO[0002] Error while adding pod to CNI network "podman": failed to allocate all requested IPs: 10.150.11.41
Error: error configuring network namespace for container 6b7fa7c2d16a880388c835e6688484480bda0b3260c1a71fead835d0858bc7cb: failed to allocate all requested IPs: 10.150.11.41
[ameyer@podman01 ~]$
5 years
