Put this in your apache config if you are using JBoss & mod_proxy_cluster and want to log which backend JBoss member server your hits are going to: LogFormat “%h %l %u %t \”%r\” %>s %b %{BALANCER_WORKER_NAME}e” commonbackendCustomLog /var/log/httpd/httpd.log commonbackend
I spend so much time on TLS I wrote a post discussing my favourite tools.
Getting errors like “/root/.virtualenvs/utils35/lib/python3.5/site-packages/pymysql/cursors.py:170: Warning: (1300, “Invalid utf8 character string: ‘9C1DCE’”) result = self._query(query)” when you run an ansible playbook with the ARA plugin? Change the mysql python lib to cymysql ie in $ANSIBLE_CONFIG [ara] database = mysql+cymysql://ara:dbpass@localhost/ara Seems like pymysql has issues with utf-8 & python v3
Why is this 8 year old bug still not fixed? It even has Tim Berners-Lee chiming in on the comments!
Repairing journald logs on Centos / RHEL 7
pam_ssh_agent_auth lets you use your ssh keys inside ssh-agent, that you forward in your ssh client connections to subsequently give you passwordless sudo via a destination side list of trusted public keys. This can be used with ansible which often needs root permissions, details below: There is a good (ubuntu specific) guide to setting pam_ssh_agent_auth up …
Continue reading ‘Getting pam_ssh_agent_auth to work with Ansible’ »
Cool
Great article on HTTP header compression from mnot
After wasting a lot of time trying to remap UIDs for an NFS mount using idmapd, I came across this article. In summary: “The problems start when we want to access the file contents or modify a file/directory and suddenly we get ‘permission denied’ type messages. Now NFS itself doesn’t do the security authentication but …
Continue reading ‘idmapd for NFSv4 doesn’t do what you think it does’ »
Good article that focuses on metrics in terms of supporting production.