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Not by default as far as I'm aware. Though, it's been a long time since I've used a desktop Linux distribution. My experience is mostly with serial access for s
by wahern 6y ago
Not by default as far as I'm aware. Though, it's been a long time since I've used a desktop Linux distribution. My experience is mostly with serial access for servers--Linux, BSD, and Solaris. I much prefer serial ports for backup administrative access as there's little chance of a misconfiguration. Whereas w/ port failover and other IPMI, BMC, etc non-sense if you disconnect the ethernet cable from the dedicated network management port you may still have admin/admin access live on the network.
- tingletech 6y agoonce upon a time in another life it seems like, we had a modem hooked to a serial multiplexer in the "core room" in the library, and I swear once I used that to reboot a solaris machine to single user mode, but I probably telnet'ed in (this was before ssh) and then did the init 1 or whatever and then dialed in to the serial multiplexer.
- wahern 6y agoI once had a second-hand Sun Sparc system, and several Sun amd64 systems (discounted for startups), and I remember Sun having a fairly sophisticated serial-attached firmware console. Though a fail-open default configuration that permitted trivially bypassing authentication seems more like something one would see w/ an x86 BIOS or bootloader. I wouldn't claim the serial-attached bootloaders on my x86 lab machines don't somehow permit bypassing login(1) authentication. But at least w/ EC2 and other hypervisors that element should be out of the equation.