Navigate to http://canihostaminecraftserver. com/ and enter your computer’s available RAM, upload, and download speeds. This tool will inform you whether your computer is capable of hosting a Tekkit/ Minecraft server. Follow the steps outlined in Method One to install the Tekkit client if your computer is not capable of hosting a Tekkit server, or consider using a hosting service.

Windows: Double-click on the file labeled “launch. bat. ” OS X / Linux: Open Terminal and navigate to your server’s Tekkit folder. For example, if you saved the Tekkit folder to your server’s desktop, enter “cd /home/username/desktop/Tekkit. ” Then, type “. /launch. sh. ” This launches your Tekkit server. [3] X Research source

Navigate to Oracle’s website to download Java 7 for your system.

Close Minecraft, click “Settings” in Tekkit, then click “Reset Pack. ” This instructs Tekkit to fix and redownload corrupt or missing files.