The system supports several versions of the server core, for compatibility with previously written programs. If the kernel with a specific version is not requested for more than a month, then this version is deleted. The command lists the available versions of the server core.
{
"cmd": "srv.ver.list"
}
{
"res": 0,
"ver": ["201711107","20170402"]
}
{
"res": -448
}