Topical Takes

Short, opinionated posts on eBPF, Linux internals, and the tools we all run in production.

AlleBPF42linux42yeet39AI agents16observability14claude-code7security6networking5production4tracing4bcc3exectop3kubernetes3omarchy3sandboxing3supply chain3tcpdump3uprobes3audit2auditd2bpftrace2BSON2capabilities2ci2containers2debugging2execsnoop2HTTP2hyprland2incident-response2MongoDB2oom2permissions2processes2quickshell2runtime-debugging2ssh2troubleshooting2802.111agent-security1ai-sre1bar-widget1benchmarks1biolatency1bpf-verifier1bubblewrap1build-performance1cgroups1Cilium1CO-RE1codex1confidential-computing1context-switches1cpu-accounting1cryptojacking1devops1egress1exfiltration1hardening1integration-testing1kprobes1kworker1landlock1local-llm1make1MCP1memory1n-plus-one1nodejs1npm1off-cpu1ollama1opentelemetry1packet-capture1plugin1postinstall1prepared statements1privilege1proc-filesystem1process-attribution1process-masquerading1proctop1profiling1query-shapes1Redis1refusal1RESP1rf1root-cause-analysis1runqlat1schedstat1seccomp1slowlog1SQLite1stratum1sudo1syscall1systemd1TCP1tcp-retransmits1terminal-bench1threat-modeling1TLS1tunnels1websocket1wifi1wireguard1wireless1wss1yeetkit1+110 more

All eBPF42 linux42 yeet39 AI agents16 observability14 claude-code7 security6 networking5 production4 tracing4 bcc3 exectop3 kubernetes3 omarchy3 sandboxing3 supply chain3 tcpdump3 uprobes3 audit2 auditd2 bpftrace2 BSON2 capabilities2 ci2 containers2 debugging2 execsnoop2 HTTP2 hyprland2 incident-response2 MongoDB2 oom2 permissions2 processes2 quickshell2 runtime-debugging2 ssh2 troubleshooting2 802.111 agent-security1 ai-sre1 bar-widget1 benchmarks1 biolatency1 bpf-verifier1 bubblewrap1 build-performance1 cgroups1 Cilium1 CO-RE1 codex1 confidential-computing1 context-switches1 cpu-accounting1 cryptojacking1 devops1 egress1 exfiltration1 hardening1 integration-testing1 kprobes1 kworker1 landlock1 local-llm1 make1 MCP1 memory1 n-plus-one1 nodejs1 npm1 off-cpu1 ollama1 opentelemetry1 packet-capture1 plugin1 postinstall1 prepared statements1 privilege1 proc-filesystem1 process-attribution1 process-masquerading1 proctop1 profiling1 query-shapes1 Redis1 refusal1 RESP1 rf1 root-cause-analysis1 runqlat1 schedstat1 seccomp1 slowlog1 SQLite1 stratum1 sudo1 syscall1 systemd1 TCP1 tcp-retransmits1 terminal-bench1 threat-modeling1 TLS1 tunnels1 websocket1 wifi1 wireguard1 wireless1 wss1 yeetkit1

October 5, 2026

Who Is Resetting My TCP Connections on Linux? (2026)

Every guide to connection reset by peer ends at the same place: run tcpdump and read the source address of the RST. That gives you an IP, not a cause. Here is how to find which process owned the reset socket on Linux, tell a peer reset apart from a kernel one, and watch resets live without a capture file.

networkingTCPeBPFtroubleshootinglinuxyeet

October 5, 2026

Why Is My TLS Handshake Failing on Linux? (2026)

A TLS handshake fails before your application logs anything useful, which is why the error you get is generic and the cause is not. The negotiation itself is cleartext on the wire, including the hostname your client sent and the alert that ended it. Here is how to read both on Linux without the private key and without restarting the process.

networkingTLSeBPFtroubleshootinglinuxyeet