Hit:1 http:/ubuntu.melbourneitmirror.net/archive bionic InRelease
Hit:2 http:/ubuntu.melbourneitmirror.net/archive bionic-updates InRelease
Hit:3 http:/ubuntu.melbourneitmirror.net/archive bionic-backports
InRelease
Hit:4 http:/ubuntu.melbourneitmirror.net/archive bionic-security InRelease
Ign:5 http:/dl.google.com/linux/chrome/deb stable InRelease
Hit:7 http:/dl.google.com/linux/chrome/deb stable Release
Get:6 http:/repo.ros2.org/ubuntu/main bionic InRelease [3,209 B]
Err:6 http:/repo.ros2.org/ubuntu/main bionic InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F42ED6FBAB17C654
Get:9 http:/packages.ros.org/ros/ubuntu bionic InRelease [4,669 B]
Err:9 http:/packages.ros.org/ros/ubuntu bionic InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F42ED6FBAB17C654
Fetched 7,878 B in 1s (6,188 …
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