legale:/var/log# mount
/dev/sda1 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
usbfs on /proc/bus/usb type usbfs (rw)
/dev/sda4 on /home type ext3 (rw)
/dev/sda3 on /var type ext3 (rw)
legale:/var/log# mount -o rw,remount /var
mount: block device /dev/sda3 is write-protected, mounting read-only
legale:/var/log# mount -o rw,remount /home
legale:/var/log# mount -o rw,remount /
mount: block device /dev/sda1 is write-protected, mounting read-only
legale:/var/log#