VMware && USB && Ubuntu ?

To be able to use USB devices with VMware guest OSes under Ubuntu Gutsy you have to uncomment lines 42-45 in /etc/init.d/mountdevsubfs.sh

mkdir -p /dev/bus/usb/.usbfs
domount usbfs "" /dev/bus/usb/.usbfs -obusmode=0700,devmode=0600,listmode=0644
ln -s .usbfs/devices /dev/bus/usb/devices
mount --rbind /dev/bus/usb /proc/bus/usb

Then conect with VM->Removable devices -> USB devices

OpenSSL commands

Some useful openssl commands.

Check certificate details:

openssl  verify -verbose -issuer_checks server.crt

Generate new sertificate:

openssl req -new -x509 -days 365 -key server.key  -out server.crt

Check the modulus of an SSL certificate and key:

openssl rsa -noout -modulus -in server.key | openssl md5

openssl x509 -noout -modulus -in server.crt | openssl md5