mingdao@silas:~$ sudo -i
root@silas:~# tail -f /var/log/messages
Feb 23 14:21:25 silas -- MARK --
Feb 23 14:41:25 silas -- MARK --
Feb 23 15:01:25 silas -- MARK --
Feb 23 15:21:25 silas -- MARK --
Feb 23 15:41:25 silas -- MARK --
Feb 23 16:01:25 silas -- MARK --
Feb 23 16:21:25 silas -- MARK --
Feb 23 16:41:25 silas -- MARK --
Feb 23 17:01:25 silas -- MARK --
Feb 23 17:19:41 silas sudo:  mingdao : TTY=pts/7 ; PWD=/home/mingdao ; USER=root ; COMMAND=/bin/bash
Feb 23 17:20:01 silas kernel: usb 1-6: new high speed USB device using ehci_hcd and address 12
Feb 23 17:20:01 silas kernel: usb 1-6: configuration #1 chosen from 1 choice
Feb 23 17:20:01 silas kernel: scsi7 : SCSI emulation for USB Mass Storage devices
Feb 23 17:20:06 silas kernel: scsi 7:0:0:0: Direct-Access     Kingston DataTraveler 2.0 1.00 PQ: 0 ANSI: 2
Feb 23 17:20:06 silas kernel: sd 7:0:0:0: [sdb] 1952256 512-byte hardware sectors (1000 MB)
Feb 23 17:20:06 silas kernel: sd 7:0:0:0: [sdb] Write Protect is off
Feb 23 17:20:06 silas kernel: sd 7:0:0:0: [sdb] 1952256 512-byte hardware sectors (1000 MB)
Feb 23 17:20:06 silas kernel: sd 7:0:0:0: [sdb] Write Protect is off
Feb 23 17:20:06 silas kernel:  sdb: sdb1
Feb 23 17:20:06 silas kernel: sd 7:0:0:0: [sdb] Attached SCSI removable disk