Cumulus attacks on Juniper (again)

I have a lot of time for Cumulus Networks – I think they’re doing some very cool and unique things with their Cumulus Linux operating system for switches and they genuinely have something different to offer, but when they publish blog posts like their one today (https://cumulusnetworks.com/blog/junipers-second-run-up-the-open-networking-mountain/) I lose a lot of respect for them. This seems to be nothing...

Upgrading to Junos 12.3 from before 10.4R2 on Juniper EX

In the release notes for Junos 12.3 (http://www.juniper.net/techpubs/en_US/junos12.3/information-products/topic-collections/release-notes/12.3/topic-69605.html#pre-resilient-dual-root-upgrade-ex) on Juniper EX series switches, it says: Upgrading from Junos OS Release 10.4R2 or Earlier To upgrade to Junos OS Release 12.3 from Junos OS Release 10.4R2 or earlier, first upgrade to Junos OS Release 11.4 by following the instructions in the Junos OS Release 11.4 release notes. See Upgrading from Junos...

OpenLiteSpeed OCSP stapling with Comodo PositiveSSL

OpenLiteSpeed supports OCSP stapling, which helps web browsers check the revocation status of an SSL certificate without having to connect to the Certificate Authority’s OCSP servers and so can speed up the SSL connection process. In order to enable OCSP stapling, first we need to construct the intermediate certificate chain which OpenLiteSpeed will use to cryptographically verify the response from...

Citrix XenServer XS62E015 update failing to apply

If you’re using XenServer 6.2, you may have some problems installing the XS62E015 update from CTX140808. You go through the normal update procedure – download XS62E015.zip from the CTX140808 Citrix knowledge base article, extract it and upload the XS62E015.xsupdate file to the pool, then apply UUID c8b9d332-30e4-4e5e-9a2a-8aaae6dee91a to the pool, which promptly fails with: The uploaded patch file is invalid....