FIX: Operation not permitted as root in OS X Terminal

Switch OffWhen running commands in El Capitan OS X terminal, even as root  you may be greated with a rather unhelpful error message of ‘Operation not permitted’. In fact, this isn’t an error message at all – it’s part of an OS X El Capitan feature called System Integrity Protection.

The following is a description from the Apple website:

System Integrity Protection is a security technology in OS X El Capitan that’s designed to help prevent potentially malicious software from modifying protected files and folders on your Mac.

In OS X, the “root” user account previously had no permission restrictions and could access any system folder or application on your Mac. Software gained root-level access when you entered your administrator name and password to install it and could then modify or overwrite any system file or application.

System Integrity Protection restricts the root account and limits the actions that the root user can perform on protected parts of OS X.

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 In order to switch off the System Integrity Protection, you firstly need to boot your Mac from the built in recovery partition, to do this follow the steps below;
  1. Power off your Mac
  2. Press and hold CMD + R on your Mac keyboard
  3. From the Utilities menu, select Terminal
  4. Copy and paste or type in the following:

    csrutil disable
    reboot

Once El Capitan has finished booting back up, you should be able to perform your advanced file manipulation without any more operation not permitted messages.

It is worth bearing in mind, if you leave this switched off you’re leaving your Mac vunerable to accidental or malicious system level file changes, which could result in it needing a complete reinstall or worse. So unless you are a confident advanced user, it would be worth repeating the steps above but replacing disable with enable.

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MOVING HAZARD Gets Date and Price for Early Access

Psyop Games and IllFonic will release their team-based, competitive first person shooter, Moving Hazard, on personal computer through Steam’s Early Access program on March 10 for $19.99 USD. The game pits rival military factions in a desperate battle for resources in a world lost to the zombie infection, where players must fight the instinct to kill zombies in order to spare the shamblers and deploy them as weapons against the enemy.

“We had such an incredible reaction from fans during our debut at PAX South, with players asking us to release the game immediately, so we’re incredibly excited to deliver Moving Hazard on Early Access,” said Christian Cantamessa, Lead Writer and Design Consultant for Psyop Games. “Once PAX-goers learned to stop killing the undead and started using them as scent-guided bloodhounds or shambling flesh-eating allies, the competition got fierce and the freshness of the gameplay really stood out. We can’t wait to give the community access and get their feedback to make it even better in the coming months.”



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Travel around London for free on Mondays with Apple Pay 

MasterCard have teamed up with Apple to offer free travel to commuters using their MasterCards via Apple Pay to pay at the card readers. MasterCard have confirmed although you’ll initially pay the fare, they will refund the value throughout the day right up to £28.10. 

The offer starts on Monday the 29th of Feburary, then will continue every Monday right up until March the 14th. 

To take advantage of the offer you’ll need at least an iPhone 6 or an iPhone and Apple Watch, with your matercard already set up in your iPhone wallet. 

For more information, and terms and conditions check out the MasterCard Free Fare Monday’s website.

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Apple announce availability of Tech Talk videos

   
Apple have recently announced the availablility of their own Apple Tech talks, which is a completely free of charge collection of session videos from previous TV Tech Talks, focused around app and game develop.  

Via the link, you can also get access to sample code and documentation. 

If you’re focused on becoming an iOS developer, this might be just what you need to kick off your learning plan. 

You can access the Tech Talks via the following link: 

Apple TV Tech Talks

If you know of other free iOS development training resources, let us know in the comments box below. 

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