OS X could not be installed on your computer.
No packages were eligible for install. Contact the software manufacturer for assistance.
Quit the installer to restart your computer and try again
Oh dear… When trying to install OS X 10.11 (El Capitan) you may encounter this message. This happens because the the installer certificates are no longer valid when checked against the clock of your mac.
Os X Cannot Be Installed
Connect to a wifi or plug in ethernet and download os x (second option I believe.) It will download and then try to install itself and then fail with no packages were eligible message with option to restart. Shut off wifi (top right) or unplug ethernet cord go to utilities -terminal- type this and only this, date. That would be truly mysterious, as a G5 can't possibly boot to OS X 10.6.7 (nor can any other PPC Mac.) OS X 10.5.8 is newest OS possible on a PowerMac G5. I am guessing that you could mean 10.2.7, or 10.3.7 - as that would be the result of reinstalling from original PowerMac G5 installer disks.
Don’t panic though as this is easily fixed using Terminal, so don’t restart immediately.
- Click Utilities on the menu bar
- Select Terminal
- Type date 062112422016
- Exit Terminal
- Click Restart
When you restart the mac and try the installer again it will now believe the certificates are valid and will continue as it should.
Os X Could Not Be Installed No Packages
Install Homebrew
Paste that in a macOS Terminal or Linux shell prompt.
The script explains what it will do and then pauses before it does it. Read about other installation options.
What Does Homebrew Do?
Homebrew installs the stuff you need that Apple (or your Linux system) didn’t.
Homebrew installs packages to their own directory and then symlinks their files into
/usr/local
.Homebrew won’t install files outside its prefix and you can place a Homebrew installation wherever you like.
It’s all Git and Ruby underneath, so hack away with the knowledge that you can easily revert your modifications and merge upstream updates.
Homebrew complements macOS (or your Linux system). Install your RubyGems with
gem
and their dependencies withbrew
.“To install, drag this icon…” no more. Homebrew Cask installs macOS apps, fonts and plugins and other non-open source software.
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