How can I restore /opt/local from time machine backup drive?

[Tao Zhang]

Hi Peter,
  Yes. I want to use Time Machine to restore everything under /opt/local 
because
  installing Macport package causes the failure of other working 
software, such as NCL, ncview....
   It turns out that I made a mistake for "enter time machine".
   I click the "application--->time machine app" to activate the time 
machine. It's wrong.
  I should choose "enter time machine" in the time machine icon at top 
of Macbook laptop.

  Now it is OK to restore the files.

  Tao


On 4/29/23 10:20 PM, Peter West wrote:
> You’re not trying to restore Time Machine, are you? It doesn’t live in 
> /opt/local. So I assume you are trying to use Time Machine to restore 
> everything under /opt/local. Is that right?
>
> If that’s the case, one of the steps is going wrong. For starters, I 
> would select /opt in the Finder window that Time Machine displays 
> before selecting the date in the timeline.
> —
> Peter West
> pbw at pbw.id.au
> “Do not cling to me, for I have not yet ascended to the Father; but go 
> to my brothers and say to them, ’I am ascending to my Father and your 
> Father, to my God and your God.’”
>
>> On 30 Apr 2023, at 1:12 pm, Tao Zhang <tao.zhang at colorado.edu> wrote:
>>
>> All,
>>
>>   I want to follow the following procedure to restore /opt/local to 
>> previous date from time machine external drive,
>>
>> but I get “Time Machine” can’t be modified or deleted because it’s 
>> required by macOS." error message after I click "restore" button.
>>
>>  Do you know how to fix it?
>>
>> Thanks,
>>
>> Tao
>>
>> https://apple.stackexchange.com/questions/407890/how-to-backup-and-restore-opt-with-time-machine-on-macos-high-sierra/459300#459300 
>>
>>
>> Proceed as follows:
>>
>>   * Open a Finder window.
>>   * Enter Time Machine.
>>   * Press ShiftCommandG and enter |/| to display the root folder of
>>     your drive.
>>   * Press ShiftCommand. to display hidden folders. You should see
>>     |/opt| now.
>>   * Browse the timeline on the right-hand side and select the desired
>>     date.
>>   * Select |/opt|.
>>   * Press Restore. Note that Time Machine will probably ask whether
>>     you want to keep a copy of your current files.
>>
>>
>
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