https://github.com/CS-Organize/Operating-System/blob/9e948399e7459553db9f426163cc4e62a10c3c84/vm/alpine/README.md?plain=1#L171 Question has been answered here, vscode remote use GNU-ps while the default cmd:ps is from busybox. Just install it https://github.com/microsoft/vscode-remote-release/issues/6347#issuecomment-2068434452