root@vlab:~# ishare2 upgrade
1) Upgrade ishare2 3) Upgrade ishare2 GUI
2) Upgrade PNETLab 4) Exit
Please, select an option: 2
1) Upgrade PNETLab v5 STABLE 3) Upgrade PNETLab v6 BETA
2) Upgrade PNETLab v5 BETA 4) Exit
Please, select an option: 1
bash: {error:{error:code:itemNotFound}}: command not found
Please, select an option: