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macOS Sierra USB Fax Modem Reinstallation

This post tells how to reinstall USB fax modem capabilities on macOS Sierra, after Apple dropped support.

If dropping support for fax modems affects you negatively, please take the time to issue feedback at Apple's website.

To restore USB Fax Modem capability to Sierra, simply copy the files listed below from your old El Capitan install.

Here is this list of files you need:

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S/MIME Encrypted Email Example with Gmail and Comodo

A quick how-to installation for secure S/MIME installation for a Gmail account on macOS. This certificate can be used to simultaneously encrypt and sign emails.

Obtain and install an S/MIME Certificate

0. Create a unique revocation passphrase in a password manager—long, random, unique.
1. Browse to Comodo and request a free, secure email certificate:

• Enter your name, email address, and specify the maximum 2048 bit length
• Enter your revocation passphrase in case your private key is ever stolen or compromised

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Apple Smart Keyboard Special Characters and Accents

All keyboards in English unless stated otherwise (e.g. Íslenska below)

Accents

Keys	Character
⌥ e + a, e, …	á, é, …
⌥ ` + a, e, …	à, è, …

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Snort and Barnyard2 and Base on macOS High Sierra

Reference: https://discussions.apple.com/thread/4473229?tstart=0

Dependencies

sudo port install hwloc luajit

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macOS Server Fix and Restore Broken Calendars and Contacts

My Calendars and Contacts broke after a macOS Server upgrade. This is what I had to do to fix everything.

Backup all data in as many ways as possible

Time Machine and bootable Carbon Copy Clone of server

Server: Export per-user calendar and contacts items

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Re: https://discussions.apple.com/thread/6108331

How to Migrate, Rebuild, and Fix OS X Server

I upgraded my server to new hardware, hand-migrated all its data, and fixed Profile Manager’s “500 Internal Server Error” problem. My experience has been the same as the Ars commenter who wrote that OS X Server is “extremely fragile, and when it breaks it breaks severely and inscrutably.”

The online documentation to rebuild and/or fix OS X Server is sparse and inadequate, so I’ve posted my ultimately successful steps here.

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create calendarserver
sudo enable for calendarserver

sudo -iu calendarserver
git clone https://github.com/apple/ccs-calendarserver.git
echo "source CalendarServer/environment.sh" > .profile
cd ccs-calendarserver
export USE_OPENSSL=1

sudo ./bin/package /Users/calendarserver/CalendarServer

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CalendarServer Server.app Migration [WIP]

Create the calendarserver account, password, install directories

# choose a free uid < 500; uid 350 is used here
dscl . -list /Users UniqueID | sort -n -k2

sudo bash <<CREATE_SYSTEM_USER
dscl . -create /Users/calendarserver RealName calendarserver

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SMIME Certificates Signed By OD CA

Here are my notes on how to create S/MIME Certificates signed by OS X Server's Open Directory Certificate Authority. It's pretty easy to set up your own small-scale PKI on OS X Server using the OD CA, which will already be a trusted CA.

Step Zero:

Make sure that you have OS X Server's Certificate Authorities installed on your local admin account:

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On macOS: Airport Utility>File>Export Configuration File…

vi Extreme.baseconfig

Edit the raPo ("radio power") setting to a percentage beneath 100%:

<key>raPo</key>
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