I tried to use Qt designer, and I don’t see how I can rename a slot in the designer. It turns out that it will try to “connect by the name” directly. It is quite obscure. And here is a bit of explanation.
Somehow using installing ros seems to screw up PKG_CONFIG_PATH and it returns only /opt/ros/noetic/lib/pkgconfig And if I try gst-inspect-1.0 It will return almost nothing. Manage to find the path back with pkg-config –variable pc_path pkg-config So adding export PKG_CONFIG_PATH=`pkg-config –variable pc_path pkg-config`:$PKG_CONFIG_PATH to .bashrc will do the trick. Now gst-launch-1.0 playbin uri=file:///path/to/video will play video…
Stop an instance and detach the volume Attach the volume to another instance Mount the volume with commands below sudo mkdir -m 000 /vol sudo mount /dev/xvdf1 /vol -t ext4