엔지니어스 - Engineeus

sudo apt autoremove

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://packages.ros.org/ros/ubuntu xenial InRelease: The following signatures were invalid: KEYEXPIRED 1622248854 W: Failed to fetch http://packages.ros.org/ros/ubuntu/dists/xenial/InRelease The following signatures were invalid: KEYEXPIRED 1622248854 W: Som..

SDK Manager - installation of VisionWorks on Host failed SDK Manager - installation of VisionWorks on Host failed Hi, Could you please help me with installation errors that I get ? I use SDK Manager 0.9.14.4961, and it fails on Computer Vision -> VisionWorks on Host. I get the following errors: 16:02:41 ERROR : VisionWorks on Host : E: Failed to fetch http://ca.archiv forums.developer.nvidia.com..

문제 발생 rm: cannot remove 'home/XX/: Device or resource busy 해결 sudo umount -f /home/XX XX: directory name

rmdir: failed to remove 'XX': Directory not empty rm: failed to remove 'XX': Directory not empty rm -rf XX XX : directory name -f = to ignore non-existent files, never prompt -r = to remove directories and their contents recursively