We might wonder how to disable the USB ports on Mac to prevent data copy to external USB mass storage devices. The USB kext on os x is loaded at the time of start of the system, this can be loaded / unloaded using kextload or kextunload command. To disable USB port on Mac , follow below steps: On Macs running Mountain Lion, Mavericks and Yosemite: Unmount any connected USB devices to the system by running below command $diskutil unmount /Volumes/USBDISK.Now unload the USB related kernel extensions in the following order using kextunload command.sudo kextunload -b com.apple.driver.AppleUSBCardReader sudo kextunload -b com.apple.driver.AppleUSBODD sudo kextunload -b com.apple.iokit.IOUSBMassStorageClass
This will unload the USB kext and disable the USB ports for storage devices on Mountain Lion, Mavericks and Yosemite. On Mac running El Capitan: Unmount any connected USB devices to the system by running below command $diskutil unmount /Volumes/USBDI…
1)Installing RHEL6 on Vmware esxi with clustering packages. a)Creating a RedHat Enterprise Linux 6.0 Virtual image. i)Open vSphere Client by connecting to a Vmware ESXi Server. ii)Login into your vSphere Client iii)Goto File -> New -> Virtual Machine (VM).
Root user login in gnome is disabled on Debian system by default for security reasons. If you want to enable it for specific reasons then follow the below steps :
1. Login into Debian system
2. launch the Root Terminal from Applications -> Accessories.
3. Authenticate with password to launch the Root Terminal.
4. Open "/etc/pam.d/gdm3" with vi. #vi /etc/pam.d/gdm3
5. Look for "auth required pam_succeed_if.so user != root quiet_success" , comment it out as below. #auth required pam_succeed_if.so user != root quiet_success
6. Save the modification with Esc+w+q+Enter keystroke.
7. Restart or reboot Debian system.
8. Login with root user in gnome. You should be now able to login successfully.