On Ubuntu, Debian, and RHEL, the startup script automates the preceding control sequences. By using the startup script, you don't need to remember the exact sequence of the commands and signal names. The following table illustrates the use of the startup script:
Command |
Equivalent to |
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The binary upgrade procedure is limited to starting the new binary and signaling the old master process to gracefully shut down, so you don't have an option to test-drive the new binary in this case.