Troubleshooting Component & Cluster Health Connectivity Problems Policy Troubleshooting Symptom Library Useful Scripts Reporting a problem Community Special Interest Groups All SIGs How to create a of the protobuf [https://developers.google.com/protocol-buffers/] serialization/deserialization library popularized by Google. There are gRPC bindings for many programming languages, and the efficiency additional terminal windows dedicated to accessing the A-Wing and Alliance- Tracker, which use a python library to communicate to the memcached server using the binary protocol. In all three terminal windows

Troubleshooting Component & Cluster Health Connectivity Problems Policy Troubleshooting Symptom Library Useful Scripts Reporting a problem Community Special Interest Groups All SIGs How to create a unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment model requires each client workload to also trust this new certificate, otherwise the client’s TLS library will reject the connection as invalid. In this model, the network firewall uses the certificate signed

Connectivity Problems Policy Troubleshooting etcd (kvstore) Cluster Mesh Troubleshooting Symptom Library Useful Scripts Reporting a problem Community Weekly Community Meeting Slack Slack channels Special unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment model requires each client workload to also trust this new certificate, otherwise the client’s TLS library will reject the connection as invalid. In this model, the network firewall uses the certificate signed

Observing flows with Hubble Relay Connectivity Problems Policy Troubleshooting etcd (kvstore) Symptom Library Useful Scripts Reporting a problem Community Weekly Community Meeting Slack Slack channels Special unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment model requires each client workload to also trust this new certificate, otherwise the client’s TLS library will reject the connection as invalid. In this model, the network firewall uses the certificate signed

Connectivity Problems Policy Troubleshooting etcd (kvstore) Cluster Mesh Troubleshooting Symptom Library Useful Scripts Reporting a problem Community Weekly Community Meeting Slack Slack channels Special unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment model requires each client workload to also trust this new certificate, otherwise the client’s TLS library will reject the connection as invalid. In this model, the network firewall uses the certificate signed

Observing flows with Hubble Relay Connectivity Problems Policy Troubleshooting etcd (kvstore) Symptom Library Useful Scripts Reporting a problem Community Weekly Community Meeting Slack Slack channels Special unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment model requires each client workload to also trust this new certificate, otherwise the client’s TLS library will reject the connection as invalid. In this model, the network firewall uses the certificate signed

Component & Cluster Health Connec�vity Problems Policy Troubleshoo�ng Automa�c Diagnosis Symptom Library Useful Scripts Repor�ng a problem Community Special Interest Groups All SIGs How to create a SIG top of the protobuf [h�ps://developers.google.com/protocol-buffers/] serializa�on/deserializa�on library popularized by Google. There are gRPC bindings for many programming languages, and the efficiency addi�onal terminal windows dedicated to accessing the A-Wing and Alliance-Tracker, which use a python library to communicate to the memcached server using the binary protocol. In all three terminal windows

• Network domain specific function call tracer • Trace “which packets have gone through which functions” Output Attaching program (total 1803, succeeded 1001, failed 0 filtered: 0 untraceable: 802) gso_type: tcpv4) 3347634422951 0000 skb_csum_hwoffload_help (len: 5764 gso_type: tcpv4) Functions the packets have gone through CPU ID Time Stamp User defined tracing data (with Lua script) …

foo" ] → Apply rules only within a call to foo() ▶ #[kfunc " foo" ] → Same thing, but for kernel functions #! [ profile "/sbin/mylogin"] #[ func " check_password "] #[ allow] { fs("/etc/passwd", read)

make RedBPF support more (all) program types - make it a generic compiler (BCC) • Add utility functions to help dealing with network headers etc… • Improve the compile output - ensure it works with