Daren Matthews

Another quick aide-memoir describing the recovery of a corrupted JUNOS image – the EX3300 series LAN switch has booted from the backup image.

— JUNOS 11.4R5.5 built 2012-08-25 05:29:29 UTC

***********************************************************************
**                                                                   **
**  WARNING: THIS DEVICE HAS BOOTED FROM THE BACKUP JUNOS IMAGE      **
**                                                                   **
**  It is possible that the primary copy of JUNOS failed to boot up  **
**  properly, and so this device has booted from the backup copy.    **
**                                                                   **
**  Please re-install JUNOS to recover the primary copy in case      **
**  it has been corrupted.                                           **
**                                                                   **
***********************************************************************

darenm@coresw1# show version
## Last changed: 2015-02-13 10:50:43 UTC
version 11.4R5.5; Read more…

Following on from the brief personal aide-memoir: OpenSSL – Generate CSR and Test x509 Certificate, this post contains the recipe to generate a self-signed certificate and use this as a CA, to sign other certificates. This is because the term “Self signed certificate” is really incorrect, the proper phrase ought to be “Being your own Certificate Authority”, (or CA)
– You have the “root key”
– And you can “sign” other certificates
Read more…