06-30-2019
MacOS 10.15 Catalina Crashes and Freezes on Boot
Sadly, I have turned off my access to the Apple Developers Beta program after installing macOS 10.15 Catalina a few days ago.
After the install, I rebooted by MacBook Air and it "hard froze" and we were heading out of town so I grabbed a backup MBA running Mojave.
Then, after getting back at my desk a few days later, it took me quite some time to recover from the macOS 10.15 Catalina meltdown.
The good news is that it's up and running again with a mid June time machine backup of Mojave.
The bad news is that I cannot trust Apple these days and have removed my Apple ID from the "beta program" until further notice.
Even more good news is that my systems will not be crashing and freezing up on reboot
Anyway, I don't see any new feature in Catalina that is useful for me personally and I like the Mojave visuals better than the Catalina visuals
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LEARN ABOUT HPUX
uucleanup
uucleanup(1M) uucleanup(1M)
NAME
uucleanup - uucp spool directory clean-up
SYNOPSIS
time] time] time] time] string] time] system] debug_level]
DESCRIPTION
The commands, including are targeted for removal from HP-UX; see the below.
scans the spool directories for old files and takes appropriate action to remove them. Depending on the options selected, performs the
following:
o Informs the requestor of send and/or receive requests for systems that cannot be reached.
o Returns mail that cannot be delivered to the sender.
o Removes all other files.
In addition, warns users of requestors who have been waiting for a given number of days (the default is 1 day). Note that unless time is
specifically set, the default time values for the following options are used.
Options
recognizes the following options:
Any files greater or equal to time days old are removed with appropriate information to the requestor. The default time
is 7 days.
Any files greater or equal to time days old are removed. An attempt is made to deliver mail messages and execute news
when appropriate. The default time is 7 days.
Any files equal to time cause a message to be mailed to the requestor warning about the delay in contacting the remote.
The message includes the JOBID, and in the case of mail, the mail message. The administrator can include a message
line telling who to call to correct the problem (see the option). The default time is 1 day.
Any files greater than or equal to time days old are removed. The files are probably not present (if they were, the
could be executed). But, if files are present, they are taken care of by processing. The default time is 2 days.
This string is included in the warning message generated by the
option. The default string is
Other files whose age is more than
time days are deleted. The default time is 2 days.
Clean-up the spool directory for
system only. The default is to clean-up all spool directories.
The debug level is a single digit between 0 and 9.
The higher the numbers, the more detailed the debugging information returned.
This program is typically started by the script which should be started by (see cron(1M)).
WARNINGS
Use of commands, including is discouraged because they are targeted for removal from HP-UX. Use ftp(1) or rcp(1) instead.
FILES
spool directory
SEE ALSO
cron(1M), uucp(1), uux(1), uuclean(1M).
Tim O'Reilly and Grace Todino,
O'Reilly & Associates, Inc. USA.
Grace Todino and Dale Dougherty,
O'Reilly & Associates, Inc. USA.
TO BE OBSOLETED uucleanup(1M)