A curated list of shell commands and tools specific to OS X.

How to fix Sierra not remembering SSH keys. As described in detail on https://openradar.appspot.com/27348363, macOS/OS X till Yosemite used to remember SSH keys added by command ssh-add -K . Unfortunately this way no longer works and command ssh-add -K in macOS Sierra no longer saves SSH keys in OS's keychain. As Apple Developer stated: "That’s expected. We re-aligned our behavior with the mainstream OpenSSH in this area."

Shush is a utility app for Mac OS X to quickly mute and unmute your microphone using a hotkey.

Do this as many times as you want spaces: defaults write com.apple.dock persistent-apps -array-add '{"tile-type"="spacer-tile";}'

SelfControl is a free and open-source application for Mac OS X (10.5 or above) that lets you block your own access to distracting websites, your mail servers, or anything else on the Internet. Just set a period of time to block for, add sites to your blacklist, and click "Start." Until that timer expires, you will be unable to access those sites--even if you restart your computer or delete the application.

If you want to create a custom HTML email signature for Mail on Mountain Lion, the HTML coding part remains the same but the installation have changed. Follow this tutorial to create a HTML email signature file and to get it installed into the new version of Mail on Mountain Lion OS X 10.8.

Sending email via PHP locally, for example, won’t work unless you fix this.

how to speed up Apple’s Mail.app by vacuuming the SQLite3 index sqlite3 ~/Library/Mail/V2/MailData/Envelope Index vacuum;

Some good tips for getting started with Sublime Text 2 and using its many features.

Thats it you now have the native AMP stack running ontop of the Mountain Lion.

Using the pcal program to generate calendars.

‘For most people today (9/27/2011) running a typical system, try not to go over 30,000 songs if you value the user experience. There is no doubt this will not be an issue in the future.’

Vital. ‘The Marked Bonus Pack is a collection of scripts, commands and services. Some work with multiple editors, some are specific to certain editors. The Services will generally work with any editor that has the necessary capabilities. The rest are organized in folders based on the application they work with.’

I should install this. “Webmin is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more. Webmin removes the need to manually edit Unix configuration files like /etc/passwd, and lets you manage a system from the console or remotely.”

"A great Mac image editor built for humans." I would like to buy this at some point. Alternative to Photoshop.

Combine this small, easily customizable AppleScript with a keyboard shortcut utility (like FastScripts) to quickly toggle an application forward and back. I use this for Terminal and TaskPaper.

“Select a group and enter your preferred prefix for the shortcuts assigned to each snippet. The resulting url may be downloaded as a custom .textexpander file, or used with TextExpander’s ‘Install from URL’ feature. Using the latter will provide automatic updates if the group is added to or changed, custom prefixes are preserved.”

A TextMate mod. Maybe check this out at some point; I think Dean uses it.

Prevent security risks from stuff like Firesheep. “When you connect to the Internet through an unprotected wireless network, such as at a coffeeshop or an airport, where you don’t have to enter a security key, you’re putting yourself at risk. Attackers connected to the same network can easily intercept your unencrypted traffic and log in as you to services such as Facebook, Amazon, and LinkedIn.”

For when an app has a keyboard shortcut symbol and you can't figure out which key they mean. “The symbols below appear in menus and represent keys that are used in keyboard shortcuts. Some of these symbols also appear in the help and are referred to as ‘modifier keys.’”

So you can, for instance, have two free accounts, with your personal one unaffected by how much is in the dedicated shared folder of the other one.

Using Photo Booth and Automator to print out a strip of three photos. Neat.

"Matrix of fonts bundled with Mac and Windows operating systems, Microsoft Office and Adobe Creative Suite."

Get your Dropbox variables right in the provided script, save it as a .sh file in your ~/Library/Scripts folder, assign it to a shortcut in FastScripts, and you're a keyboard shortcut and a few seconds away from taking a screenshot and having it automatically uploaded to a public folder. Awesome, and doesn't rely on imgur like csexton's captured (http://github.com/csexton/captured), which I was also investigating.

"Freedom is an application that disables networking on an Apple computer for up to eight hours at a time." Only restarting can circumvent the time limit you've sent.

Maybe useful at some point.

A very useful PDF workflow for OS X that allows you save a dated and custom-titled PDF of a receipt (for something you buy online) from the Print dialog.

"A Mac OS X Leopard developer tool for debugging HTTP services by graphically creating & inspecting complex HTTP messages."

"One of the great features of Mac OS X has aways been the built-in spelling checker. Unfortunately, there's no easy way to see what words you've added. But with Dictionary Cleaner, a convienient System Preferences pane for Mac OS X, now you can."