BaseSystem.dmg has a volume named 'Mac OS X Base System'. So that's disk0 and disk1; what about the rest? I'm not certain, but I'm pretty sure they are RAM disks to save temporary data in folders OS X modifies as it runs (remember that in recovery mode, you're running from a read-only disk image). “No native mechanism to verify BaseSystem.chunklist” “No native mechanism to verify AppleDiagnostics.dmg”. With no result.
i am trying to install mac os high sierra through online recovery as i am not getting mountain lion option
Solution for errors in macOS High Sierra installation.These instructions are based on my personal experience.Installation stuck at 'Retrying http://swcdn.apple.com/../InstallESDDmg.pkg after 1 failure(s)'
Backgrounds
But after you restart it..
Check your conditions
If your condition follows all above then follow Downloading Stuck
If you're experiencing only the last step, then follow Downloading Stuck except DNS part.
If you somehow passed above situations, but still..
If your condition follows all above then follow Disk Password is Required
Notes
You can get into Recovery Mode by following this method. Start up from macOS RecoveryI tried all options. Command (⌘)-R and Option-Command-R were showing the same result, while Shift-Option-Command-R didn't work at all since my disk format was already converted info APFS. I kept using Command (⌘)-R since then.
You can show log window by Command (⌘)-L or at the menu bar. Make it show your all logs instead of only errors. It helps you identify your problem more precisely.
At this point your installation progress should be stopped for hours. When you check the last log it will probably say something like
Retrying http://swcdn.apple.com/content/downloads/04/61/091-34298/almpfkbhyxnsgbxxqhoqo7sb40w3uip0wk/InstallESDDmg.pkg after 1 failure(s) The part InstallESDDmg.pkg may be different but you should see the patternRetrying http://swcdn.apple.com/content/downloads/../[filename] after # failure(s) Then this instructions may help you out from the problem.
Note that my solution is pretty complicated than it supposed to be considering the problem caused by a network issue. There might be some other solutions, but this is the only one that I found so far.
Without DNS
If you're on normal boot or able to boot on safe mode, you would be able to modify
/etc/hosts file. Meaning that you're not required to run DNS server. I will mark all DNS parts with (DNS) symbol so that you can easily skip them.
Setup your environmentNo Native Mechanism To Verify Base System Dmg Free
You need another PC. I used Ubuntu. Open terminal.
Clone this git repo.
git clone https://github.com/Jinsung-L/install-macos-high-sierra.git
Move to the folder.
cd install-macos-high-sierra
Install python requirements. I used python3.
pip install -r requirements.txt
Install DNSMasq. (DNS)
No Native Mechanism To Verify Basesystem Dmg OnlinePre-download the installation files
Now you need to pre-download and place it under right position.You download them from
http://swcdn.apple.com But you will have to use curl to continue the downloading when it stops.
Example
curl -O -C - http://swcdn.apple.com/content/downloads/04/61/091-34298/almpfkbhyxnsgbxxqhoqo7sb40w3uip0wk/InstallESDDmg.pkg Monitor if the current download speed drops to 0. If that happens, cancel the process with Ctrl + C and rerun the command again. It will autometically continue downloading from where you ended.
Essential files
No Native Mechanism To Verify Base System Dmg 1Files I downloaded but the installer didn't used
No Native Mechanism To Verify Basesystem.dmg MojaveAll files used by the installer in order
As you can see, I skipped downloading few small files. It worked fine for me. But maybe not for your case. It's your choice.
MD5 Checksum of some files I downloaded
Once you downloaded all files you need, place them in the exact same directory as its url under the
storage folder.
Setup your file server
Copy the configuration file then restart DNSMasq. (DNS)
Modify /etc/hosts
If you're going without DNS server, instead you need to modify the
/etc/hosts file on your mac. At the end of the file add the following line.
or this if you're running your file server on other machine.
Start flask server
Now you're File server and DNS server is running.You can test that by running
The download should've done in a second and the checksum must match with the original.
Configure your router (DNS)
Now you have to make your MacBook connect to your DNS server. Since it's impossible to modify
/etc/hosts or /etc/resolv.config in Recovery Mode, you'll have to find a way to configure your router. Change the DNS Server Setting of your router to use your DNS Server's IP address. You'll easily find a way to do this by searching from google.
Retry installation in Recovery Mode
Now everything is setup. Restart your mac to boot in Recovery Mode if you haven't yet.Retry reinstall macOS. It will work fine. After the reinstallation gets done, your system will get rebooted then it will continue the installation process. https://newui420.weebly.com/blog/os-107-download-dmg.
If you see the same problem occuring at this step, check the log. Find out at which file you're stuck, download that file into your File server, close installer, restart installation again.
You follow this: Re: High Sierra asking for ‘disk password’ and won’t accept anywith some modifications For people who are suffering from finding Open Directory Database. How to make the mushroom do most dmg teemo. or error -69569 or -69568
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