08-10-2019
I wonder if its not to do with some untested hardware issue since apple using intel processors seem to have changed regularly the inners, things less current when under powerPC ( I still have 2 of them...). I am trying to figure out what in high sierra can make my powerbook pro of 2011 over heat... ( because I burnt my motherboard (graphics...) beginning July ) or go berserk from time to time, I have just assembled a new one but this time a late 2011 motherboard after buying a 2012 for later usage, and again it reaches over 40 C after 15 minutes not doing anything special, the 2012 is already in mojave but so far not much time to play with as still sick and just finished a 3 weeks antibiotics treatment... but into as I dont know anything about the inners of the Mac Pro and mac mini but if like the laptops I would not be surprised... Not insisting for now as we have a heat wave passing just now and was 34C yesterday ( last time it was 36C here...) Monday 25C announced so I will try again...
AS now Im using my wife's ( my ex-hospital usage laptop...) Macbook air which is now under Mojave and am surprised that it stays cool doing exactly the same thing and yes it does heat when I start heavy usage but never like the Macbook pro which can exceed 45 after only 15 minutes when I use it seriously...
My idea was to investigate on the heating control, could it be faulty for my old HW and so not reacting in time? as like you before burning it did crash a few times without to me any reason and I could not see anything in the logs explaining except a panic but can't find the cause...
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LEARN ABOUT CENTOS
redhat-upgrade-tool-cli
REDHAT-UPGRADE-TOOL(8) redhat-upgrade-tool User Manual REDHAT-UPGRADE-TOOL(8)
NAME
redhat-upgrade-tool - Red Hat Upgrade tool
SYNOPSIS
redhat-upgrade-tool [OPTIONS] SOURCE
DESCRIPTION
redhat-upgrade-tool is the Red Hat Upgrade tool.
The redhat-upgrade-tool client runs on the system to be upgraded. It determines what packages are needed for upgrade and gathers them from
the source(s) given. It also fetches and sets up the boot images needed to run the upgrade and sets up the system to perform the upgrade at
next boot.
The actual upgrade takes place when the system is rebooted, using the boot images set up by redhat-upgrade-tool. The upgrade initrd starts
the existing system (mostly) as normal, lets it mount all the local filesystems, then starts the upgrade.
When the upgrade finishes, it reboots the system into the newly-upgraded OS.
OPTIONS
Optional arguments
-h, --help
Show a help message and exit.
-v, --verbose
Print more info.
-d, --debug
Print lots of debugging info.
--debuglog DEBUGLOG
Write debugging output to the given file. Defaults to /var/log/redhat-upgrade-tool.log.
--reboot
Automatically reboot to start the upgrade when ready.
SOURCE
These options tell redhat-upgrade-tool where to look for the packages and boot images needed to run the upgrade. At least one of these
options is required.
--device [DEV]
Device or mountpoint of mounted install media. If DEV is omitted, redhat-upgrade-tool will scan all currently-mounted removable devices
(USB disks, optical media, etc.)
--iso ISO
Installation image file.
--network VERSION
Online repos matching VERSION (a number or "rawhide")
Multiple sources may be used, if desired.
Additional options for --network
--enablerepo REPOID
Enable one or more repos (wildcards allowed).
--disablerepo REPOID
Disable one or more repos (wildcards allowed).
--addrepo REPOID=[@]URL
Add the repo at URL. Prefix URL with @ to indicate that the URL is a mirrorlist.
--instrepo REPOID
Get upgrader boot images from the repo named REPOID. The repo must contain a valid .treeinfo file which points to the location of
usable kernel and upgrade images.
Cleanup commands
--resetbootloader
Remove any modifications made to bootloader configuration.
--clean
Clean up everything written by redhat-upgrade-tool.
EXAMPLES
redhat-upgrade-tool --network 7.0 --instrepo <repo URL>
Upgrade to RHEL 7.0 by downloading all needed packages and data from the specified repository.
redhat-upgrade-tool --device --network 7.0
Upgrade to RHEL 7.0 using install media mounted somewhere on the system, fetching updates from the network if needed.
EXIT STATUS
0
Success.
1
Cancelled by user, failure writing files to disk, or other unknown error
2
Failed to download/copy files from the given SOURCE
3
RPM upgrade transaction test failed
BUGS
The --iso image must be on a filesystem listed in /etc/fstab.
AUTHORS
Will Woods <wwoods@redhat.com>
redhat-upgrade-tool 11/08/2013 REDHAT-UPGRADE-TOOL(8)