Hi After trying to install SCION on a virgin 16.04 LTS installation I get the following: fritz@scion-test:~$ ./scion_install_script.sh Starting SCION installation... We are running on Ubuntu version 16.04 seems okay [...] INFO: Found 2 targets... INFO: Elapsed time: 3.774s, Critical Path: 0.18s INFO: 0 processes. INFO: Build completed successfully, 1 total action Create topology, configuration, and execution files. usage: generator.py [-h] [-6] [-c TOPO_CONFIG] [-p PATH_POLICY] [-d] [-n NETWORK] [-o OUTPUT_DIR] [-b BIND_ADDR] [-t] [--pseg-ttl PSEG_TTL] [-bs BEACON_SERVER] [-cs CERT_SERVER] [-sd SCIOND] [-ps PATH_SERVER] [-disp DISPATCHER] [-ds] [-f SVCFRAC] [--random-ifids] [--in-docker] [--docker-registry DOCKER_REGISTRY] [--image-tag IMAGE_TAG] [--sig] generator.py: error: unrecognized arguments: nodocker fritz@scion-test:~$ If I try to create a local topology manually this is what I get: fritz@scion-test:~$ cd $SC fritz@scion-test:~/go/src/github.com/scionproto/scion$ ./scion.sh topology Shutting down: Terminating this run of the SCION infrastructure Shut down Compiling... 2019/10/16 15:18:23 main.go:26: Bazel version: 0.26.1 2019/10/16 15:18:23 main.go:32: Found 78 external dependencies 2019/10/16 15:18:23 main.go:38: Created 78 symlinks in go/vendor/ INFO: Analyzed target //:build-tools (1 packages loaded, 2 targets configured). INFO: Found 1 target... Target //:build-tools up-to-date: bazel-bin/build-tools.tar INFO: Elapsed time: 0.665s, Critical Path: 0.24s INFO: 1 process: 1 linux-sandbox. INFO: Build completed successfully, 3 total actions INFO: Analyzed 2 targets (0 packages loaded, 3423 targets configured). INFO: Found 2 targets... INFO: From Compiling external/com_github_mattn_go_sqlite3/linux_amd64_stripped/go_default_library%linux_amd64%cgo_codegen%/sqlite3.cgo2.c: sqlite3.go:73:1: warning: '_sqlite3_exec' defined but not used [-Wunused-function] INFO: Elapsed time: 30.882s, Critical Path: 8.61s INFO: 483 processes: 483 linux-sandbox. INFO: Build completed successfully, 484 total actions Create topology, configuration, and execution files. Traceback (most recent call last): File "python/topology/generator.py", line 100, in <module> main() File "python/topology/generator.py", line 96, in main confgen.generate_all() File "/home/fritz/go/src/ github.com/scionproto/scion/python/topology/config.py", line 144, in generate_all self._generate_with_topo(topo_dicts) File "/home/fritz/go/src/ github.com/scionproto/scion/python/topology/config.py", line 166, in _generate_with_topo self._generate_go(topo_dicts) File "/home/fritz/go/src/ github.com/scionproto/scion/python/topology/config.py", line 194, in _generate_go go_gen.generate_bs() File "/home/fritz/go/src/github.com/scionproto/scion/python/topology/go.py", line 109, in generate_bs bs_conf = self._build_bs_conf(topo_id, topo["ISD_AS"], base, elem_id, elem) File "/home/fritz/go/src/github.com/scionproto/scion/python/topology/go.py", line 124, in _build_bs_conf 'tracing': self._tracing_entry(), File "/home/fritz/go/src/github.com/scionproto/scion/python/topology/go.py", line 275, in _tracing_entry docker_ip = docker_host(self.args.in_docker, self.args.docker) File "/home/fritz/go/src/ github.com/scionproto/scion/python/topology/common.py", line 180, in docker_host addr = docker_ip() File "/home/fritz/go/src/ github.com/scionproto/scion/python/topology/common.py", line 185, in docker_ip return subprocess.check_output(['tools/docker-ip']).decode("utf-8").strip() File "/usr/lib/python3.5/subprocess.py", line 626, in check_output **kwargs).stdout File "/usr/lib/python3.5/subprocess.py", line 708, in run output=stdout, stderr=stderr) subprocess.CalledProcessError: Command '['tools/docker-ip']' returned non-zero exit status 1 fritz@scion-test:~/go/src/github.com/scionproto/scion$ It seems that the "nodocker" option is not correctly parsed by scion.sh or it should not be there anymore at all. What to do next? This is some build information: fritz@scion-test:~/go/src/github.com/scionproto/scion$ uname -a Linux scion-test 4.15.0-1057-azure #62-Ubuntu SMP Thu Sep 5 18:25:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux fritz@scion-test:~/go/src/github.com/scionproto/scion$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.6 LTS" fritz@scion-test:~/go/src/github.com/scionproto/scion$ Regards Fritz