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- This file lists some common build errors and their solutions.
- Error starting remote
- ---------------------
- If you have an error like this:
- ----
- Error: Error starting remote:
- could not synchronise with container process: no subsystem for mount
- ----
- You may be experiencing a similar but different problem. Anecdotally
- this occured on Ubuntu 18.04 Bionic, kernel 4.15.0-24-generic. You need
- to add systemd.legacy_systemd_cgroup_controller=1 to the kernel
- boot commandline in /etc/default/grub (followed by `sudo update-grub`).
- Error during debootstrap image creation
- ---------------------------------------
- If the debootstrap-image-.log contains errors similar to the following:
- W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/zesty/InRelease
- Temporary failure resolving 'archive.ubuntu.com'
- Check /etc/resolv.conf on the host to see if the nameserver is set to
- 127.0.0.1. This can happen when runc performs a bind mount of
- /etc/resolv.conf and the host system is running systemd-resolved.
- sudo systemctl disable systemd-resolved.service
- sudo service systemd-resolved stop
- Put the following line in the [main] section of your
- /etc/NetworkManager/NetworkManager.conf:
- dns=default
- Delete the symlink /etc/resolv.conf
- rm /etc/resolv.conf
- Restart network-manager
- sudo service network-manager restart
- Could not find uid in /etc/subuid
- ---------------------------------
- In some cases you can have the error:
- Error: Error starting remote:
- Error: Could not find uid in /etc/subuid
- Error: failed to set uidmap
- The user you use to build needs to have a range of subordinate uids and
- gids in /etc/subuid and /etc/subgid. Most of the time they are added by
- default when the user is created. If it was not the case, you can use
- usermod(8) with the --add-subuids and --add-subgids options. See also
- the subuid(5) and subgid(5) man pages.
- Note that the root user is not exempted from the requirement for a
- valid /etc/subuid and /etc/subgid entry, if you are building as root.
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