Creates a new tar file and wrties bytes from io.ReadCloser.

ExecCmd executes a command with args and returns its output as a string along with an error, if any.

ExecCmdWithStdStreams execute a command with the specified standard streams.

GetCgroupProcess returns the cgroup for the specified process process.

GetOwnCgroup returns the cgroup for the current process.

Find a random, open port on the host.

GuardedRemoveAll functions much like os.RemoveAll but will not delete certain catastrophic paths.

MaybeMoveToSubCgroup moves the current process in a sub cgroup when it is running in the root cgroup on a system that uses cgroupv2.

MovePauseProcessToScope moves the pause process used for rootless mode to keep the namespaces alive to a separate scope.

MoveRootlessNetnsSlirpProcessToUserSlice moves the slirp4netns process for the rootless netns into a different scope so that systemd does not kill it with a container.

MoveUnderCgroup moves a group of processes to a new cgroup.

MoveUnderCgroupSubtree moves the PID under a cgroup subtree.

RemoveScientificNotationFromFloat returns a float without any scientific notation if the number has any.

RunsOnSystemd returns whether the system is using systemd.

RunUnderSystemdScope adds the specified pid to a systemd scope.

Tar creates a tarball from source and returns a readcloser of it.

TarChrootToFilesystem creates a tarball from source and writes to an os.file provided while chrooted to the source.

TarToFilesystem creates a tarball from source and writes to an os.file provided.

TarWithChroot creates a tarball from source and returns a readcloser of it while chrooted to the source.

UntarToFileSystem untars an os.file of a tarball to a destination in the filesystem.