Questions tagged [systemd-nspawn]
For questions pertaining to systemd-nspawn, a utility to spawn a command or OS in a light-weight container. Use this tag for questions about systemd-nspawn itself, using systemd-nspawn, or questions about issues arising inside a container spawned by systemd-nspawn where that is significant.
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Possible to setup veth with -n but not -b in systemd-nspawn?
making first experiments with systemd-nspawn.
I would like to set up a container to run a single application with isolation.
So far my command line is sudo systemd-nspawn -M mycontainer -x -U --user=...
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1
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48
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How to increase kernel parameter (`msgmnb`) for a systemd-nspawn container
I have a systemd-nspawn container in which I am trying to change the kernel parameter for msgmnb. When I try to change the kernel parameter by directly writing to the /proc filesystem or using sysctl ...
- 409
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How to declare systemd dependency for a nspawn service that depends on WireGuard interfaces?
I have a nspawn service that needs to take a WireGuard interface from the host.
fw0.nspawn
[Network]
Interface=wg0
According to nspawn man page, I will also need this systemd drop-in.
[Unit]
Wants=...
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Automate passing JBOSS installer arguments using Expect Command
I have a JBOSS Installer which when run manually it will prompt for input and below is the sample of the execution is as below
[sp@sp baseInstaller]$ ./advStart.sh config
Buildfile: /home/sp/jboss/sp/...
- 628
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73
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systemd-nspawn: how to select root partition if ambiguous on image?
I have pendrive which (as /dev/sdb) after opening LUKS device on dev/sdb4 looks
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sdb 8:16 1 ...
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226
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Cannot write to /dev/fb0 in systemd-nspawn container
I've created a systemd-nspawn container in which /dev/fb1 from the host is bound as /dev/fb0. I've set PrivateUsers=off in the .nspawn config file, and the file ownership and permissions of /dev/fb0 ...
- 31
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43
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Linux container initialization script utilizing systemd
I am trying to make a template filesystem for my systemd-nspawn container. The container filesystem will be cloned from this template by btrfs snapshot. I needs the container to run a initialization ...
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470
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How to make a restrictive syscall *whitelist* with systemd-nspawn?
I'm trying to lock down a container using systemd-nspawn, so that only the specific syscalls I whitelist are allowed. Per the documentation, there's a pretty lax filter in place by default, ...
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1
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714
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Failed to get login PTY: Failed to activate service 'org.freedesktop.systemd1'
Been trying to understand and play around with systemd-nspawn because I'd like to run a Debian Testing install for myself without enabling the testing repos on my main Debian stable system.
I wrote ...
- 47
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How do I give my container a static ip address (systemd-nspawn)
My container changes its ip address extremely often, almost every boot. I tried giving it a static ip address so my script knows how to ssh into it but nothing I did seemed to work. So I tried looking ...
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How can i map multiple ports in systemd-nspawn container?
I'm writing a container manager script which depends on nspawn, and the container is using a Virtual Ethernet Connection(-n opt).
but it looks like that nspawn only support port mapping for single ...
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202
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How are ulimits determined for processes running in unpriviledged containers?
Recently, while I was building something in an unprivileged nspawn container (for CI), with the host system running arch linux, I repeatedly ran into an EMFILE error, from yarn, indicating that I'm ...
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Why do systemd-nspawn's network namespaces not work correctly without systemd running inside the container?
I am trying to run a systemd-nspawn container without an init system and inside of a systemd-nspawn-managed network namespace. My container is a stock Fedora 35 image, and I am invoking it like so:
...
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How do I wait for a systemd-nspawn container to boot?
I have a script that contains the following:
sudo machinectl start "$machinename"
sudo systemd-run -PM root@"$machinename" "$command"
Failed to connect to bus: No such ...
- 43
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How to resolve a systemd-nspawn container?
I have a nspawn container:
root@nomad-02:~# machinectl list
MACHINE CLASS SERVICE OS VERSION ADDRESSES
debian container systemd-nspawn debian 11 192.168.88.171…
1 machines listed....
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