The 7" Raspberry display in the kitchen is nice, but unfortunately by default the installation comes with a screensaver enabled. After a while, the display goes dark. No one wants to stare at a blank display, and touch the screen in order to see crucial information.
Continue reading "Disable screensaver for Raspberry Pi"
The Raspberry Pi in the kitchen runs relatively stable, but recently the browser (which is showing the openHAB HABpanel) popped up a warning in the upper right corner. That's annoying, because this area in HABpanel shows the outside temperature.
Before investigating what's going on, I had to figure out a way to get a screenshot of the display - without running into the kitchen with my mobile phone. And without attaching a keyboard all the time (to press the "Print" button).
Continue reading "Raspberry Pi: take a screenshot from a display with no keyboard and mouse"
In a project, i have to restart openldap's slapd from a daemon.
This failed, with no reason, no log entry at all.
After some debugging i found out that slapd requires a terminal ... just to vanish again a bit later into the daemon mode.
Ok, screen does the job:
screen -D -m /etc/init.d/ldap start