# Installing ignition on Linux

**URL:** <https://forum.inductiveautomation.com/t/installing-ignition-on-linux/112027>\
**Category:** Ignition\
**Tags:** ignition81, designer\
**Created:** [November 7, 2025, 9:19am UTC](https://forum.inductiveautomation.com/t/installing-ignition-on-linux/112027 "2025-11-07T09:19:40Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![JVDM](https://avatars.discourse-cdn.com/v4/letter/j/ac8455/32.png) [@JVDM](https://forum.inductiveautomation.com/u/JVDM)\
**Post date:** [November 7, 2025, 11:06am UTC](https://forum.inductiveautomation.com/t/installing-ignition-on-linux/112027/2 "2025-11-07T11:06:02Z")

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I have had this issue before as well.  
This thread has some possible solutions: [Unable to start Designer or Client ERROR “This Launch Jar Signature is invalid. Contact an administrator”](https://forum.inductiveautomation.com/t/unable-to-start-designer-or-client-error-this-launch-jar-signature-is-invalid-contact-an-administrator/96092)

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