Can you enable 'sysctls' to be namespace aware?

Solution Verified - Updated -

Issue

  • Are 'sysctls' configurable for each container or pod?
  • Some 'sysctls' seem not namespaced so you cannot set in containers or pods.
  • I got messages including the following while trying to create a pod or container.
........ 
"write sysctl key net.ipv4.tcp_rmem: open /proc/sys/net/ipv4/tcp_rmem: no such file or directory\""  
.........

Environment

  • Red Hat Enterprise Linux
  • Red Hat Core Linux
  • Container or Pod

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