Some applications may require a dedicated core (and/or socket etc) to run optimally. We can achieve this by first * Setting PID 1 (systemd) affinity mask to 1, so that any child processes run only on this core * Manually starting new processes (which require their own core) on a spare…
These are some scribble notes helpful for understanding and managing pulp, the Redhat repository manager There are many many more things one can do with pulp (snapshots, non-rpm content, etc), but I'll just stick to the basics here. Services, start, stop etc Important: pulp_resource_manager and pulp_…
The error I experienced When connecting to iDRAC , you may experience a timeout: * using proxy configured via pac script * which is downloaded over HTTPS * using the Java plugin (or using Native, but a non Internet Explorer browser where ActiveX is unsupported – it will revert to Java) It hangs for about…
When applying changes to /etc/systemd/system.conf, using the systemd.lns augeas lens, I needed to change the CPU Affinity parameter. using the puppetforge systemd module, I wanted to set YAML to set the line CPUAffinity=0 1 2 3 in /etc/systemd/system.conf I already discovered through…
In CentOS 7, I was setting some kernel tuning parameters in /etc/sysctl.d conf files. net.ipv4.conf.default.rp_filter = 0 is demonstrated below Initially I had set a parameter in 2-test-profile.conf , however I discovered that the setting was being overridden somewhere. [root@linuxsvr sysctl.d]# grep…