KeyHelp Community

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   _  __          _   _     _    (R)
  | |/ /___ _   _| |_| |___| |___
  | | /  -_) |_/ |  _  | -_) | _ \
  |_|\_\___|\__, |_| |_|___|_|  _/ Your Administration-Panel
=========== |___/ ========== |_| =========================================

This script performs an operating system upgrade on your server.

From: Ubuntu 16.04 To: Ubuntu 18.04


- Instructions -----------------------------------------------------------

Step 1)
This script performs necessary tasks in preparation for the upgrade.

Step 2)
The program flow is handed over to the ubuntu application
"do-release-upgrade". Please follow the instructions of this program.
The system is then rebooted.
Note: On questions about "Should system config files be overwritten"
please answer with "Keep the local version currently installed".

Step 3)
Please run the command "phpenmod ioncube". Then start this script again
with "php keyhelp_ubuntu_upgrade_16_to_18.php"

Step 4)
Updates configuration files, then reboots the system. Your server is now
ready for use.

Note: Once you begin the upgrade, you should go through it completely.
If you cancel the upgrade during execution, any changes must be manually
undone. It is highly recommended to make a backup in advance!

--------------------------------------------------------------------------

> Pre-checking system...

Error: The following files need to be updated and are not readable or
writable. Please set correct file permissions.

/etc/update-manager/release-upgrades

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ls -al /etc/update-manager/release-upgrades

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total 8
drwxr-xr-x 2 root root 4096 Feb 27 09:31 .
drwxr-xr-x 3 root root 4096 Feb 27 09:31 ..

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apt install update-manager-core