These notes assume that you're starting with a pristine (factory default) Mac mini. The end result is a Mini that can remain in continuous unattended operation as a data server for long periods of time without attached keyboard, mouse, or monitor ('headless'). After a power outage, it will automatically reboot to the same operational state. A few of the steps given below reflect my own personal preferences; all aim for a streamlined and easy-to-maintain server.
- Choose language, country, keyboard language, network
- Enable location services; sign in to iCloud (useful for Find My Mac)
- Timezone — doesn't matter. You can set it to your local time now. (You can set it to UTC later, if you like.)
- Choose a simple user id and name — one that keeps life simple if you have multiple servers on your LAN. (If you plan to install the RefTek utilities, I do not recommend creating a user named 'reftek'. See the notes below.)
- Allow iCloud to use the location (useful for Find My Mac)
- iCloud keychain — set up later; do not store files on iCloud Drive
- Send diagnostics to Apple, crash data to developers
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- Notifications > Turn on 'Do not disturb': From 12:01 AM to 12:00 AM; 'When the display is sleeping', 'When mirroring…'.
- Energy Saver: Check 'Prevent computer from sleeping automatically when the display is off', 'Wake for network access', 'Start up automatically after power failure', 'Enable Power Nap'. Uncheck 'Put hard disks to sleep when possible'. (This keeps the computer alert and responsive always.)
- App Store : uncheck 'Automatically check for updates'. (Auto-update checks can interfere with certain other processes.)
- Bluetooth : turn Bluetooth off.
- Bluetooth > Advanced... : uncheck 'Open Bluetooth Setup Assistant at startup if no keyboard …' and 'Open Bluetooth Setup Assistant at startup if no mouse…'. (Unchecking these allows the Mac to boot up with no keyboard or mouse attached.)
- Sharing : name the computer; turn on Screen Sharing, File Sharing, Remote Login. Allow access only for administrators. Select the 'File Sharing' service and add the root folder ('Macintosh HD') to the list of shared folders.
- Users & Groups : Select 'Login options' and select your user name from the 'Automatic login' popup. (This will automatically log you in upon restart.)
- System Prefs > Desktop & Screen Saver > Desktop : Choose a solid color
- System Prefs > Desktop & Screen Saver > Screen saver : Message; check 'show with clock'
- System Prefs > Mouse : enable secondary button
- System Prefs > Date & Time > Clock : check 'Show date and time in menu bar'; 'Digital'; 'Display the time with seconds'; 'Use a 24-hour clock'; 'Show day of the week'; 'Show date'.
- Configure
postfix
(to allow your apps to send out email from your unattended Mac)
git clone
the latest version of the Earthsound Radio scripts (see Bitbucket's instructions (quickie: copy the text from ~/.ssh/id_rsa.pub
and paste it in your Bitbucket repo's Settings>Deployment Keys>Add Keys); and to (B) the web server that hosts earthsound.earth (quickie: copy the text from ~/.ssh/id_rsa.pub
, log in manually to your remote web server (via ssh
, using username and password), and paste the text at the end of the file ~/.ssh/authorized_keys
).Mac Os Download
ssh
. For example to connect to the server named 'athena':Mac Os Mojave
% ssh user@athena.local
If that fails, try pinging the server:
% ping athena.local
If that fails, log into the router's web interface and verify that the server is connected to the network. If it isn't connected, then you'll need to gain physical access to the server to troubleshoot.
- 1.
- Bonus points if you're bored: how long a chain of Screen Sharing'd Macs (A→B→C→...) can you create? And what happens if A→B→C→A? Hint: it's a deliciously hellish hall of router-bandwidth-sucking mirrors.