krypted.com

Tiny Deathstars of Foulness

September 6th, 2018

Posted In: MacAdmins Podcast

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Ever wonder what binaries have dependencies on a given binary? The otool command allows you to look up what dependencies a binary has, but there’s some extra work to get to reversing it. So looto.sh. 

https://github.com/krypted/looto
https://github.com/krypted/looto.git


August 22nd, 2018

Posted In: Mac OS X, Mac OS X Server, Mac Security

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August 1st, 2018

Posted In: MacAdmins Podcast

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July 27th, 2018

Posted In: MacAdmins Podcast

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July 25th, 2018

Posted In: MacAdmins Podcast

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July 19th, 2018

Posted In: MacAdmins Podcast

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June 29th, 2018

Posted In: MacAdmins Podcast

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Backblaze is a great cloud and on-prem backup tool for Mac and Windows. You can download Backblaze at 
https://secure.backblaze.com/download.htm. Once downloaded, extract the DMG and open the Backblaze Installer. 

At the Installer screen, enter your existing credentials or create a new account and click Install Now.

The drive will then be analyzed for backup.

By default, once the analysis is complete, the computer will immediately start backing up to the Backblaze cloud. Let’s click on the Settings button to configure how the Backblaze app will work.

This opens the Backblaze System Preference pane. At the Settings tab, you’ll see a list of drives to back up and an option to set when to receive warnings when the computer hasn’t completed a backup recently.

By default, performance is throttled so as not to cause your computer to run poorly. Click on the Performance tab. Here, you can disable that option, 

By default, backups run continuously, as files are altered. You can use the schedule screen to move backups to a specific time (e.g. at 1am every night). I personally like having continuous backups if you have enough bandwidth to account for them. 

By default, the whole system is not going to get backed up. Click Exclusions and you can see what will be skipped and disable some of the skips.

By default, backups are encrypted using public keys. I inherently trust the people at Backblaze. But I still use an encryption key to add an extra layer of security to my backups.

To set that, click on the Security tab.

At the Security screen, click on Enter Your Private Encryption Key.

Once you’ve got a good backup policy set. Click on the Reports screen to see what’s getting backed up!

April 10th, 2018

Posted In: Mac OS X, Mac Security

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It’s not likely that your Synology is going to get infected with a virus of some kind. It’s also not likely that, if you’re switching to Synology from a macOS Server, that most of your clients will get infected or be using infected files. But you probably have that one Windows accounting machine in the back of the office. So you should scan your Synology routinely. To do so, Synology provides a clamav bundle, much like what I usually told people to use on macOS file servers.

To install antivirus on your Synology, open Package Center and search for antivirus. Click on Antivirus Essential and then click on Install.  

Once installed, open Antivirus Essential from the Main Menu. From here, you can perform a Full Scan, a Custom Scan (which allows you to select the shared folders to scan), or perform a System Scan (which scans everything else). To automate scans, click Scheduled Scan. 

At the Scheduled Scan screen, click Create. 

At the Schedule screen, choose the type of scan (the same options as when run manually) and when the scan should run. I definitely recommend daily scans. Then, click on OK and check the box for Enable. 

Click on Settings. Here, you can define what happens when an infected file is found (Quarantine is usually the best option as you can then click on Quarantine in the sidebar routinely to check on what files might have been moved). Whitelist allows you to define exclusions. Good files to exclude are Quickbooks files, and other files that aren’t very friendly to antivirus scanning, as they’re open a lot. And use the Update option to have the virus definitions updated before every scan. 

If you ever want to check that the definitions are indeed updated, click on Update in the sidebar. And that’s it, you’re now automatically scanning for viruses on the schedule you defined. I recommend setting a reminder to check on it every now and then. At first maybe weekly and later maybe monthly, depending on how many quarantined files are found when you check in. Just make sure the defs are up-to-date and sift through the logs every now and then and you should be good!

April 9th, 2018

Posted In: Small Business, Synology

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You can backup a Synology in a number of ways. Even if you have a local backup, you should have a backup offsite. Here, we’ll walk through backing up a Synology using Acronis True Image. Before doing so, it’s worth noting that the only things backed up this way are the ones that are by default accessible through an app, and that you’ll have to give access to each of those entitlements in order for the backup to run. These include Contacts, Photos, Videos, Calendars, and Reminders.

To get started, first go to the Package Center on a Synology. Then, search for Acronis.

At the listing for Acronis True Image, click Install. Once installed, make sure you’re accessing your Synology through the web interface directly rather than through QuickConnect. This would be http://<IPADDRESS>:5000. From there, open the Main Menu and then open Acronis True Image from there.

Now, install the Acronis Mobile app from the iOS App Store ( 

https://itunes.apple.com/us/app/acronis-true-image-mobile/id978342143?mt=8 ) on the iOS device you’ll be backing up. Once installed, open the app and tap on Back up to computer or NAS.
Then tap SCAN QR CODE.

Then provide access to the camera in order to scan the QR code. 

Then choose what you’d like to back up and tap on Back up now.

Once the backup is complete, you’ll see the backup shown on the Synology when you open up the Acronis app.

Backing up to iCloud is still the only way to get everything else. But it’s still useful in some ways (e.g. if you are a real estate agency and just want to back up Contacts and Photos in case something happens).

April 8th, 2018

Posted In: Synology

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