Fortigate Management Interface in HA Mode
If you create a Fortigate HA Cluster, you got an option "Reserve Management Port for Cluster Member" which you can activate. If active you can select an interface for this…
Upload Firmware from a Mac using Xmodem
If you have to upload firmware to a router or a switch with xmodem, get the package ⇒lrzsz-0.12.20.tar.gz. First, install Xcode from the App Store. Then compile the package and…
Adding a DKIM record to your DNS
Adding a DKIM record to your DNS is quite simple. First, your create a key pair with openssl: openssl genrsa -out private.key 1024 openssl rsa -in private.key -pubout -out public.key…
Get telnet and ftp client back on macOS High Sierra
Apple, in their ultimate wisdom, have removed telnet and ftp client on macOS High Sierra. It is true. You should not use these commands anymore to do unencrypted management on…
Start a TFTP server on your Mac
Activate the tftp server on your Mac: To change the properties, edit the file /System/Library/LaunchDaemons/tftp.plist The default directory is /private/tftpboot. Make this directory accessible for everybody. sudo chmod 777 /private/tftpboot…
Keyboard shortcuts for your Mac at boot time
Keep one of these keys pressed at system start: ⌘ Command key ⌃ Control key ⌥ Option key ⇧ Shift Key ⇪ Caps Lock fn Function Key C Boots…