Cut Over to New Data Center and Upgraded OS Done. :) Post: 303022892

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The Lounge What is on Your Mind? Cut Over to New Data Center and Upgraded OS Done. :) Post 303022892 by Aia on Sunday 9th of September 2018 01:24:18 AM

09-09-2018

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I would like to repeat that it is all about CI/CD ( I do not have to highlight it since I made myself clear before). Companies (customers) that do not implement CI/CD for the most part do not appreciate the evolution to the Cloud. Thanks to Cloud computing and the implementation of automation the speed of developing and delivering time for applications is faster. I enjoy engineering systems that almost do not require manual intervention from the moment that we commit code to source control.
I have enjoyed seeing teams confidence raise by the nature of CI, knowing that tests are well crafted, and real to what it will show in production. That a whole piece of infrastructure is created at demand, automatically for CI and once that the fast feedback is reported, it is brought down until the next test, which it could be some few minutes later. This is not a buzzword, it is real results that benefits organizations that wants faster deployments without compromising quality assurance and I have the fortune to work doing that. There is pride in me when I know I have engineered a system that provides reproducible results and that has been committed to source control and that can be brought to life in several minutes.
In fact, with the utilization of containers now I can even provide quicker infrastructure where immutability is possible.
It is not my intention to convince anyone (I am not in that business) but I want to reintegrate my original statement.

Last edited by Aia; 09-09-2018 at 03:20 AM..

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LEARN ABOUT LINUX

shutdown

shutdown(8)						      System Manager's Manual						       shutdown(8)

NAME

       shutdown - bring the system down

SYNOPSIS

       shutdown [OPTION]...  TIME [MESSAGE]

DESCRIPTION

       shutdown  arranges  for	the  system to be brought down in a safe way.  All logged-in users are notified that the system is going down and,
       within the last five minutes of TIME, new logins are prevented.

       TIME may have different formats, the most common is simply the word 'now' which will bring the system down immediately.	Other  valid  for-
       mats are +m, where m is the number of minutes to wait until shutting down and hh:mm which specifies the time on the 24hr clock.

       Once TIME has elapsed, shutdown sends a request to the init(8) daemon to bring the system down into the appropriate runlevel.

       This  is  performed  by emitting the runlevel(7) event, which includes the new runlevel in the RUNLEVEL environment variable as well as the
       previous runlevel (obtained from the environment or from /var/run/utmp) in the PREVLEVEL variable.  An additional INIT_HALT variable may be
       set, this will contain the value HALT when bringing the system down for halt and POWEROFF when bringing the system down for power off.

OPTIONS

       -r     Requests that the system be rebooted after it has been brought down.

       -h     Requests	that the system be either halted or powered off after it has been brought down, with the choice as to which left up to the
	      system.

       -H     Requests that the system be halted after it has been brought down.

       -P     Requests that the system be powered off after it has been brought down.

       -c     Cancels a running shutdown.  TIME is not specified with this option, the first argument is MESSAGE.

       -k     Only send out the warning messages and disable logins, do not actually bring the system down.

ENVIRONMENT

       RUNLEVEL
	      shutdown will read the current runlevel from this environment variable if set in preference to reading from /var/run/utmp

FILES

       /var/run/utmp
	      Where the current runlevel will be read from; this file will also be updated with the new runlevel.

       /var/log/wtmp
	      A new runlevel record will be appended to this file for the new runlevel.

NOTES

       The Upstart init(8) daemon does not keep track of runlevels itself, instead they are implemented entirely by its userspace tools.

       See runlevel(7) for more details.

AUTHOR

       Written by Scott James Remnant <scott@netsplit.com>

REPORTING BUGS

       Report bugs at <https://launchpad.net/upstart/+bugs>

COPYRIGHT

       Copyright (C) 2009 Canonical Ltd.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       runlevel(7) init(8) telinit(8) reboot(8)

Upstart 							    2009-07-09							       shutdown(8)