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Showing posts from October 23, 2018

How do services with high uptime apply patches without rebooting?

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Clash Royale CLAN TAG #URR8PPP up vote 3 down vote favorite 1 How are critical security updates installed on systems which you cannot afford to reboot but the update requires a reboot. For example, services/businesses that are required to run 24x7 with zero downtime, e.g. Amazon.com or Google. updates patching share | improve this question edited 15 mins ago Anders 46.4k 21 130 154 asked 32 mins ago secureninja 18 2 New contributor secureninja is a new contributor to this site. Take care in asking for clarification, commenting, and answering. Check out our Code of Conduct. add a comment  |  up vote 3 down vote favorite 1 How are critical security updates installed on systems which you cannot afford to reboot but the update requires a reboot. For example, services/businesses that are required to run 24x7 with zero downtime, e.g. Amazon.com or Google. updates patching shar...

What undocumented 8085 instructions is Steven Morse referring to in “In The Beginning”?

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Clash Royale CLAN TAG #URR8PPP up vote 4 down vote favorite In S. P. Morse's 1980 allegory, "In The Beginning" , he writes And Intel said, "Let there be an 8085 with an oscillator on the same chip as the processor, and let an on-chip system controller separate the data from the control lines." And Intel made a firmament and divided the added instructions which were under the firmament from the added instructions which were above the firmament. And Intel called the first set of instructions RIM and SIM . And the other instructions Intel never announced. Given the context of the creation of the "Intel 8085", I think to satisfy this claim all of the following must be applicable, instructions in the Intel 8085 instructions not present in the Intel 8080 instructions that are not documented instructions that are neither SIM nor RIM What instructions is Steven Morse referring to? intel instruction-set 8085 share | improve this questi...