Disable or Enable GUI Login Mode Linux
RedHat, Centos, Scientific, and related flavors: systemctl set-default multi-user.target
Postfix mail attachment size
The Postfix default attachment size is 10MB i.e. 10240000 bytes. This command will output the currently set attachment size limit: postconf | grep message_size_limit To increase the limit to 50 MB,…
Apple Mail Taking Up GB of Space Connection Doctor Logs
If your MacOS Hard Drive (HDD/SSD) is filling up the Log Connection Activity checkbox may accidentally be enabled in your Apple Mail Connection Doctor. Navigate in MAIL app to Window…
QEMU KVM Virt-Manager Windows Virtual Machine Networking Speed
One of my clients had a Windows virtual machine that was running super slowly when removing in, transferring and working with network databases. Looking in the Virtual Machine Manager settings…
Macbook Keyboard and Trackpad Not Working
Try SMC Reset Try PRAM Reset If resetting the SMC and PRAM / NVRAM did not work then try: Navigate to ~/Library/Preferences/ and remove the following files. com.apple.driver.AppleBluetoothMultitouch.trackpad.plist com.apple.driver.AppleBluetoothMultitouch.mouse.plist com.apple.driver.AppleHIDMouse.plist…