- Automatically changes the Mac OSX network location when a configured Wi-Fi (SSID) becomes connected
- Allows having different IP settings depending on the Wi-Fi SSID
- Offers hook to run external script when location changes
Create a configuration file using the sample:
cp ./locationchanger.conf.sample ./locationchanger.confAdd to this new file (./locationchanger.conf) a single line for each pair of location and SSID that you want this service to recognize and set when the SSID connects. That is, for each location, add one line with both a location name and a Wi-Fi SSID, separated by a space, taking care to use exact capitalization, and using quotations as necessary.
For example, if your location is "home", and the Wi-Fi SSID to trigger that location is "myWifiName", then a line in the configuration file would look like:
home myWifiName
If your SSID is instead a name like Wu Tang LAN, with spaces, then use quotes around the SSID like:
home "Wu Tang LAN"
Note: Ensure you use the exact location names as they appear under "Location" in OSX's System Preferences -> Network, and for SSIDs in your Wi-Fi menu. Capitalization must match! Spaces must match within a quoted name!
Add as many location + SSID lines as you like to the configuration file.
The script triggers a MacOS Notification upon changing location. If you don't want this just delete the lines that start with osascript.
Execute:
./install.shCopy these files:
cp locationchanger /usr/local/bin
cp locationchanger.conf /usr/local/bin
cp LocationChanger.plist ~/Library/LaunchAgents/Should you place the locationchanger script to another location, make sure you edit the path in LocationChanger.plist too.
Make locationchanger script executable:
chmod +x /usr/local/bin/locationchangerLoad LocationChanger.plist as a launchd daemon:
launchctl load ~/Library/LaunchAgents/LocationChanger.plistLogfile location can be adjusted in locationchanger, around line 12:
exec &>/usr/local/var/log/locationchanger.logSee log in action:
tail -f /usr/local/var/log/locationchanger.logBy convention, placing an executable script in this directory with name:
locationchanger.callout.sh
and then running the installer, will cause the locationchanger service to run that script each time location changes.
For ease in testing, configure two locations within the current environment, e.g., "home" and "guest", each associated with a different SSID, such as the main SSID and guest SSID on your router. Then using the Wi-Fi menu, toggle between those SSIDs. You can see any success or error messages that are written to the log with a command like:
tail /usr/local/var/log/locationchanger.log
This repository already handles the case already if the SSID is not listed in the config file. In that case it should switch to the location Automatic, but it requires root access to do so.
If you want that it changes the settings without the need to execute it again for each new network with root credentials just add to following to settings and install it again with ./install.sh:
# LocationChanger.plist
...
<array>
<string>/usr/bin/sudo</string>
<string>/usr/local/bin/locationchanger</string>
</array>
...- Run
sudo visudo - replace
your_user_namewith your username- you can type
whoamito see you current username
- you can type
# User privilege specification
root ALL=(ALL) ALL
%admin ALL=(ALL) ALL
your_user_name ALL=(ALL) NOPASSWD: /usr/local/bin/locationchanger
Run the ./install.sh script again - and now your location network settings are set to Automatic if no mapping has been found!
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