The systemd-analyze command will print the time taken for the system to boot up. This separates the time for the kernel and the userspace environment. [email protected]:~# systemd-analyze Startup finished in 4.728s (kernel) + 28.339s (userspace) = [email protected]:~# systemd-analyze Startup finished in 4.728s (kernel) + 28.339s (userspace) = 33.068s This command will get the date and …

VLC can be used to record a timelapse video with a USB webcam. I have just done this and it worked a treat when I tried this. Connect your webcam to your computer and run this command to begin recording. cvlc v4l2:// :v4l2-dev="/dev/video0" –video-filter=scene –vout=dummy –aout=dummy\ –intf=dummy –scene-format=jpg –scene-ratio=400 –scene-prefix=snap \ –scene-path=/home/homer/Videos/shots v4l2:// vlc://quitcvlc v4l2:// …