> On 28 Oct 2015, at 2:10 PM, [email protected] wrote: > > What I would like to know is how can I arrange updates for the 8 iOS devices > in my household (all using the one AppleID) but synchronised with 5 > respective iTunes instances on those relevant MBP's without downloading the > update file 8 times - and similarly for OSX (for the 5MBP's). Can I put the > update file on the network and pick it up at each MBP and place strategically > in Finder to allow the update to happen on the other machines? > > Pete.
Hi Peter, How to Install OS X updates on multiple Macs: There are a few ways to do this, I’ll list some below. The El Capitan installer downloads to your /Applications folder. A 6+ GB download a process that could take anywhere from minutes to days, depending on the bandwidth of your broadband connection. In 10.7 Lion and later, the installer’s icon appears in Launchpad once the download begins and a progress bar on the icon fills as the download proceeds. After it downloads, the installer launches automatically. But you’re not ready to install El Capitan yet, so choose Install OS X > Quit Install OS X to quit the installer for the time being. The App Store and Multiple Macs: One Way: If you have more than one Mac—each running Snow Leopard or later and signed in to the App Store with the same Apple ID—then once you download El Capitan on one, it will show up in the Purchased view on the others too. If you have bandwidth (and time) to spare, you can click Install on each Mac to download the El Capitan installer. (If your Macs use different Apple IDs in the App Store, you can choose Store > Sign Out, choose Store > Sign In, enter the other Apple ID, re-download El Capitan, and then repeat the procedure to sign in under the original account.) But why go to that bother? Another Way: It’s faster and easier to copy the installer from /Applications on the first Mac to the others using Mac OS X’s built-in File Sharing feature. (hint: look in System Preferences > Sharing) If you put the installer anywhere else—your Desktop, ~/Downloads, or wherever—it won’t be deleted after it runs. Even so, because that 6+ GB file is valuable, you should make a copy just in case the unexpected should happen. So, before you do anything else, you should either Command-drag the installer to move it from /Applications to another location (so it won’t be deleted automatically, no matter what), or Option-drag the installer to copy it to another location—preferably another volume—so if it is deleted, you’ll have a spare. Better Way: Create a Bootable Installation Volume, as I describe below. Although there are many ways to do this, the basic steps you’d want to follow are these: 1. On the Mac—the one where you’ll download the installer— open the App Store app. 2. Download El Capitan, as described above. 3. Copy the installer from /Applications onto the external media of your choice. To Create a Bootable Installation Volume NOTE: Your external thumb Drive or SSD drive or Hard Drive drive must be formatted as a Mac OS Extended (Journaled) volume with a GUID Partition Table. Make a Bootable El Capitan Installer Volume: El Capitan doesn’t include or require boot media. But you might want to have a bootable copy of the installer as a backup, to simplify installing El Capitan on multiple Macs, to install El Capitan on a Mac without Snow Leopard or later, or for other reasons. One option is a command-line tool called createinstallmedia that is buried inside the El Capitan installer (and thus a method that Apple officially sanctions). Using this tool does require mucking around in Terminal—and won’t work in Snow Leopard or earlier—but if you’d like to learn how to use it, go to this Macworld article How to make a bootable OS X 10.11 El Capitan installer drive <http://www.macworld.com/article/2981585/operating-systems/how-to-make-a-bootable-os-x-10-11-el-capitan-installer-drive.html>, by Dan Frakes. El Capitan has already had a update 1o.11.1 but NO Combo Update yet (& as every WAMUG member should know - I always prefer to update using OS X Combo Updates) ==================== Download iOS Updates Once for Installing on Multiple Devices: iOS is more involved / convoluted Take Particular NOTE: The iOS devices must be of the same type and model, meaning three different iPhone 4s can use the same firmware, but an iPhone 4 can’t use the same update file as an iPad 2 would, and an iPod touch can’t use an iPhone 4S update file, and so on. Same models use the same IPSW, different models need different IPSW. "Updating iOS with firmware is slightly more technical, but can be advantageous for users who are installing the same update onto multiple same-model devices, which is fairly common in offices and various scale enterprise deployment situations. Additionally, using IPSW for an update can be necessary for more extreme troubleshooting scenarios, and some users just prefer to use them.” This article might be worth a thorough read. <http://osxdaily.com/2015/09/16/ios-9-update-download-ipsw/> Note: I take no responsibility with the information in the article I’ve supplied the link to above Re: Download iOS Updates Once for installing on Multiple Devices as I have never tested this procedure. Do so at your “Own Risk”... Cheers, Ronni 13-inch MacBook Air (April 2014) 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz 8GB 1600MHz LPDDR3 SDRAM 512GB PCIe-based Flash Storage OS X El Capitan 10.11
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