Re-Signing iOS apps
In order for an app to run on an iOS device, it needs to be code signed. This proves to iOS that the app has been approved to run on iOS devices. This is true of any apps in the App store, ad-hoc, or enterprise apps.
Articles
FileVault 2: The Silent Protector
It comes as part of an amazing revolution that the devices we carry are increasingly smaller and lighter. For the first time in history, we have truly mobile devices, including laptops. This also means that they’re more likely to be misplaced or be carried with us in hostile environments, both network-wise and physically.
Automating Enrollment of Lion into Profile Manager on OS X Server
Starting with OS X 10.7 (Lion), there has been a shift from managing via Workgroup Manager and Managed Profiles (“MCX”) to managing via Profile Manager and Configuration Profiles (.mobileconfig). Configuration Profiles can be managed in a variety of ways, but OS X Server 10.7 provides a simple and efficient tool to help centralize the management.
Understanding InstallESD.dmg, Recovery HD, and Lion Internet Recovery
If you’ve done any deployment work with OS X Lion, InstallESD.dmg is probably not a new concept for you. But just in case you haven’t, or just in case you need a quick refresher, with the release of OS X Lion, Apple completely changed its distribution method for Mac OS X.
Surviving Yearly OS X Releases
With Apple releasing updates to OS X every year, the Mac SysAdmin has yet another thing to worry about. As if increasingly frequent security updates and managing iOS devices were not enough to keep us busy, we must now add yearly releases to our work load.
Protecting Your Mac From the DigiNotar.nl Certificate Compromise
Go directly to step-by-step instructions. On July 10, 2011, DigiNotar.nl (a Netherlands CA) issued a fraudulent SSL certificate for the domain *.google.com, which would be valid for all google.com domains.
Creating a OS X Lion Recovery HD Partition
OS X Lion’s Recovery HD partition is required for some new Lion features, like FileVault 2 (http:/ /support.apple.com/kb/HT4649). Unfortunately NetRestore does not create this partition. A supported way of setting this partition up is to install a minimal OS X Lion system first.
Quota Monitor Menu 3 (beta)
The Situation: You have a Mac OS X Server with network home directories and disk quotas enabled. The Problem: The Mac OS Finder on client machines does not have very good support for warning users they are approaching their file quota limit.
Serving Diskless Netboot for your Macs without OS X Server
Serving Diskless Netboot for your Macs without OS X Server With the official death of the Xserve, some of you may be looking at your future plans for services you currently provide. If you plan to migrate away from OS X server for some functions, NetBoot can be one of them.
Stop PPTP dictionary attacks in MOSXS 10.5.x
Mac OS X Server's adaptive firewall (afctl) does a good job of catching brute-force login attacks on most services, but it doesn't catch PPTP attacks. The script below checks the system log for such attacks, and then uses afctl to block offending hosts for a week (you can, of course, change the parameters if you wish).