Categories
Apple User Help

Dual booting, and lost rEFInd: how to recover OSX?

I mostly followed [these instructions][1] for how to set up dual-booting on my macbook, and everything seemed fine, up to the very last step. Now when I reboot the system (even if I hold command-R) I don’t get any rEFInd boot menu or recovery mode, it just boots to the Ubuntu partition and I have […]

Categories
Apple User Help

Dual booting, and lost rEFInd: how to recover OSX?

I mostly followed [these instructions][1] for how to set up dual-booting on my macbook, and everything seemed fine, up to the very last step. Now when I reboot the system (even if I hold command-R) I don’t get any rEFInd boot menu or recovery mode, it just boots to the Ubuntu partition and I have […]

Categories
Linux Mastering Development Ubuntu

black screen after a system sound

The screen goes black after a system sound, for example if I want to list files and write ‘ls /usr/a’ and then press ‘tab’ in the console, if there are more than 1 file, a system sound is produced, but first the screen put in black for a second. This happens for 1 second and […]

Categories
Linux Mastering Development Ubuntu

black screen after a system sound

The screen goes black after a system sound, for example if I want to list files and write ‘ls /usr/a’ and then press ‘tab’ in the console, if there are more than 1 file, a system sound is produced, but first the screen put in black for a second. This happens for 1 second and […]

Categories
Linux Mastering Development Ubuntu

black screen after a system sound

The screen goes black after a system sound, for example if I want to list files and write ‘ls /usr/a’ and then press ‘tab’ in the console, if there are more than 1 file, a system sound is produced, but first the screen put in black for a second. This happens for 1 second and […]

Categories
Development Linux

Ensure a service is _not_ started at boot, even if it was running on shutdown

Using systemd, how can I configure a service not to start at boot, even if it was running when I most recently shut down? I know that I can disable a service, but if I start that service, then reboot, it will continue to run. I want this: Start the service now. Reboot. Service is […]

Categories
Development Linux

Ensure a service is _not_ started at boot, even if it was running on shutdown

Using systemd, how can I configure a service not to start at boot, even if it was running when I most recently shut down? I know that I can disable a service, but if I start that service, then reboot, it will continue to run. I want this: Start the service now. Reboot. Service is […]