Be advised, clean install is always recommended, you might encounter bugs with upgrades. To upgrade from V0.1 to V0.2.2, simply follow the guide but skip step 4 and 5, straight to step 6 If you want to do combo update from 10.8.x to 10.8.3 follow the steps below: 1. Download the combo update but don't install. How to install Big Sur on an unsupported Mac. If your Mac is more than a few years old and you try to install Big Sur on it you will hit a few hurdles - the first being the fact that Software. Since August 2012 version 10.8 of Mac OS X was available for installation at CERN according to the conditions laid out here. With the release of this version, system versions below 10.5 - and thus the whole PowerPC family of computers - are no longer supported. Os x yosemite on unsupported macs os x hackers macos extractor, macpostfactor apps guide through patching, installing macos sierra (10.12), os x el capitan (10.11), yosemite (10.10), mavericks(10.9), or mountain lion (10.8) on older mac. Thread focuses on os x yosemite.
Mac OS X 10.11 became available from the Mac App Store on September 30th, 2015. It has been superseeded by macOS 10.12 Sierra on September 20th, 2016. Apple has published a list of 68 vulnerabilities in OS X 10.11.6 for which there is no security update other that 10.12 Sierra.
With the release of macOS 10.14 in September 2018 Mac OS X 10.11 is considered obsolete and unsupported.
The information below is only for historical reference!
There are three important actions to take before you install it:
- Ensure that all the software you are using is compatible with it. See below for a list of known issues.
- Verify your hard-disk or SSD before doing the install.
- Make sure you have a recent backup, allowing you to recover your data in case of problems.
![Mac Mac](https://i.ytimg.com/vi/ENXfQih0HEo/maxresdefault.jpg)
Known Issues
This is a summary of issues known so far. Please note that this list is by no means complete. Please contact the Service Desk if you encounter a problem with an application or a service.
Authentication
Install Catalina On Unsupported Mac
Using Network Groups from Active Directory (egroups in CERN speak) does not work out of the box. To be able to use Network Groups from Active Directory you have to increase the timeout for replies from the server, otherwise the request will fail and the user can not log in. To increase the timeout you should run
sudo /usr/libexec/PlistBuddy -c 'Set :Modules:SystemCache:Membership Query Timeout in Seconds 20' /Library/Preferences/OpenDirectory/opendirectoryd.plist
Please note that this is only needed if you want to enable network groups from AD - if you enable individual AD accounts this is not needed.
Calendar.app
Calendar.app does not sync .ics calendar entries (like the ones from Indico) to the exchange server. The entry for such events will appear in the calendar on the device where you imported it, but it will not be synchronised to other devices via your exchange account.
![Mac Mac](https://i.ytimg.com/vi/Kl23HYRQrlw/maxresdefault.jpg)
Two possible workaround for the issue have been found:
- The 'duplicate/delete' workaround:
- Import the event.ics file into your exchange calendar
- Duplicate the event
- Delete the original event
- The 'move between calendars' workaround:
- Import the event.ics file into one of your exchange calendars
- Move th eevent to one of your local calendars
- Move the event to one of your exchange calendars
After step 3 the event will be synced. Step one is needed, you can not skip it :(
MacPorts
Previous versions of MacPorts are not compatible with OS X 10.11, according to https://trac.macports.org/wiki/ElCapitanProblems MacPorts needs to be reinstalled.
Mail.app
- Adding multiple exchange accounts requires prepending 'CERN' to the email-address. Without the prepended 'CERN' you will get the mesage 'The account exists already'.
- We get occassional reports about Mail.app stopping to fetch new messages. We don't have the impression that the frequency of this is higher than with previous versions of Mail.app. But at least re-creating a deleted account appears to be much faster than with previous versions of Mail.app.
Office 2016
In the early days some users reported app crashes when running Office 2016 under OS X 10.11. I some cases the activation got lost and needed to be restored. This issue appears to be solved.
Install 10 8 On Unsupported Mac Pro
OpenAFS
The previous openAFS client does not work under 10.11, it is recommened to uninstall it before upgrading to 10.11.
A working client is announced on https://wiki.openafs.org/admin/BinaryThirdParty/, please read the description carefully before installing the client.
Outlook 2011
Outlook 2011 versions below 14.5.6 hang when connecting a mail server. Outlook users should update at least to 14.5.6 before migrating to OS X 10.11.
Symantec Endpoint Protection is not compatible
Unsupported Mac Catalina
It is recommened to uninstall it before upgrading to 10.11, and install System Center Endpoint Protection instead. See http://information-technology.web.cern.ch/services/fe/howto/install-antivirus-software for details
XQuartz
Install 10 8 On Unsupported Mac Os
It is recommended to use XQuartz 2.7.9 or later (http://xquartz.macosforge.org/landing (link is external)). XQuartz installs into /opt/X11 now, and creates symlinks in /usr. If you have one of the previous versions of XQuartz that did install in /usr, the symlink /usr/X11 -> /opt/X11 cannot be installed, and some X programs will not start. In that case you have to remove the directory /usr/X11 and manually create the symlink.
Install 10.8 On Unsupported Mac
Due to recent changes to X11 libs on the Linux side there are problems with the actual production version of XQuartz, please see https://cern.service-now.com/service-portal/article.do?n=KB0004132 for a possible work-around.