You can turn local snapshots back on by running:. If you love delving into the nitty-gritty, and especially if you manage remote Macs, you'll find this to be a very useful tool.
You can exclude certain files and folders from your Time Machine backups from the Time Machine pane in System Preferences. Naturally, you can also do this from the command line, too.
Run this command:. The part stands for the path to a file or folder. For example, if I want to exclude my Downloads folder from Time Machine backups, I would run the following:.
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The tmutil addexclusion command has an interesting property: it's sticky. When you use this command, the item you exclude remains in the Time Machine exclusion list even if you move it, which is not the case when you exclude items from the Time Machine preference pane.
If you use the above command with the -p flag, then it will not be sticky, and will be the same as an exclusion you add from the Time Machine preference pane. If you're managing a remote Mac, such as a server, you may want to change Time Machine settings for that computer.
MacOS Sierra: How to Repair Permissions
You can start by finding where Time Machine backups are stored. To change the destination, you can use two commands. First, remove the current destination like this:. In place of , type in the text string returned by the destinationinfo command.
How Permissions Work in macOS
Then run this command to set up a new destination disk:. You can add multiple destinations as well, since Time Machine can rotate its backups on several disks or volumes. See man tmutil for more on setting up multiple backup destinations. You can now do this without the command line too, see "How to create redundant Time Machine backups. Time Machine saves a lot of backups: one per hour for the past 24 hours; one a day for the past week; and one a week before that.
How to repair disk permissions on Mac
You can get a list of all the backups on your Time Machine disk with this command:. If you're curious about how much has changed in your Time Machine backups, there's a command that will let you find out how much of each backup is new. Run this command to see the delta between each of the Time Machine backups on your backup disk or volume:. This is not the Backups. Note that this command takes a long time to run, as your Mac has to calculate a lot of information.
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- Using Disk Utility to Repair Hard Drives and Disk Permissions!
The tmutil command offers many other options, such as the ability to inherit destinations, perform detailed comparisons of backups, restore items and much more. See man tmutil to find out all that you can do. Article via MacWorld. But on all apples I removed corestorage because it becaue unreliable on the long run. This one might contain the old command: sh Commands to repair permissions are hidden but still exist. Well, the information is correct and very useful. However, those who are facing issue with their Asus tablet follow this guide Fix asus tablet stuck at loading screen and immediately eliminate all the technical glitches.
Hace a nice note!!! Instead of trying to repair your permissions, attempt to use the Repair Disk function.
Repair disk permissions by running Disk Utility | Mac OS X
This function looks for errors in your computer's directory instead of just file and folder permission problems, and may fix more severe issues that are causing the repair process to fail. If you are using Disk Utility through your installation disc you will be able to click "Repair Disk" right away; otherwise you will need to click "Repair Disk" first. If any errors are found, Disk Utility will attempt to fix them automatically. If Disk Utility isn't working, you can use Terminal to complete the same repair process.
Press "Enter," then wait for the process to finish. You will see a confirmation that it has started, and you will see another one once it has completed. There is no progress bar, so give it some time before you assume it has failed; wait up to twenty minutes to be safe.
- Repairing permissions: What you need to know | Macworld;
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- Disk Permissions –?
Based in California, James Wright has been writing since The disk will have a more cryptic technical name. This will display a report showing everything the First Aid process accomplished. If the process finds any serious errors, it will inform you of the problem. Furthermore, home directory permissions have been locked since El Capitan. This prevents applications from damaging permissions easily.
Skip to content. Why should users repair disk permissions?