1. PNETLab can connect to Internet.

If PNETLab can connect to internet, you can upgrade to latest version very easily by go to : System > Version > Click on Upgrade button.

2. PNETLab can not connect to Internet.

• Access link to download the upgrade package.
• You have to upgrade step by step from your current version to the latest version. (E.g you can upgrade 1.0.1 > 1.0.2 > 1.0.3 . But you can not upgrade from 1.0.1 > 1.0.3 it may be get the error.)
• After Download the upgrade patch package. Copy it to /tmp folder of PNETLab

• SSH to PNETLab with root account and run command to check:
  • cd /tmp
  • ls -l

• Unzip upgrade package by command:
  • delete old upgrade folder if exist by command: rm -rf upgrade
  • unzip [package] -d ./upgrade (Eg: unzip 4.0.1.zip -d ./upgrade)
  • Check again by command : ls -l . You should see the upgrade folder

• Run below commands to upgrade.
  • chmod 755 -R upgrade
  • find upgrade -type f -print0 | xargs -0 dos2unix 2>&1
  • ./upgrade/upgrade

• Login to Web Guide and check again