Anyway to redirect ‘page allocation failure: order:N’ spew away from the “messages” file?

On big Linux systems running Centos, we sometimes see messages like kernel: <program_name>: page allocation failure: order:<N>, mode:0xNNNN Reading articles like these: https://utcc.utoronto.ca/~cks/space/blog/linux/DecodingPageAllocFailures https://utcc.utoronto.ca/~cks/space/blog/linux/WhyPageAllocFailure it sounds like these messages are mostly spurious warnings resulting from some bad memory check logic in the kernel. I understand that “order:0” messages are a big deal, but we never…

What’s the most efficient way to capture vpc mirror traffic for a large set of devices?

I want to mirror north/south network traffic for assets within my aws vpc to a packet sniffing security appliance in the same vpc using Amazon’s traffic mirroring feature. I’ve got it to work with a traffic mirror session pointing to an individual ec2 instance nic as source… but this will be cumbersome setting up individual…

Postfix and postfix-policyd-spf-python not working

I’m trying to configure postfix to work with postfix-policyd-spf-python. but for some reason it won’t work. no logs, not even when I higher the debug level. main.cf https://pastebin.com/etdCCUzB master.cf https://pastebin.com/HmvHGUtk /usr/bin/policyd-spf https://pastebin.com/YkwwUGte /etc/postfix-policyd-spf-python/policyd-spf.conf https://pastebin.com/AL1Sz3TM I think the problem is in the master.cf, since if I run the command policyd-spf, it works, and even put out…