Could not request certificate: Retrieved certificate does not match private key; please remove certificate from server and regenerate it with the current key
A complete list of Linux administrator commands including important commands like df, du, find, ifconfig, nslookup, ping, route, traceroute and even who.
T. Bangemann, C. Hübner, N. Suchold, and M. Thron. Tagungsband 10.~Fachtagung Digital Engineering zum Planen, Testen und Betreiben technischer Systeme, 16.~IFF-Wissenschaftstage, page 31--38. Magdeburg, Fraunhofer-Institut für Fabrikbetrieb und -Automatisierung (IFF), (June 2013)