Update cheatsheets

linux/bpftool

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bpftool
+
+> Inspect and manipulate eBPF programs and maps in a simple way.
+> Some subcommands such as `bpftool prog` have their own usage documentation.
+> More information: <https://manned.org/bpftool>.
+
+- List information about loaded `eBPF` programs:
+
+`bpftool prog list`
+
+- List `eBPF` program attachments in the kernel networking subsystem:
+
+`bpftool net list`
+
+- List all active links:
+
+`bpftool link list`
+
+- List all `raw_tracepoint`, `tracepoint`, `kprobe` attachments in the system:
+
+`bpftool perf list`
+
+- List `BPF Type Format (BTF)` data:
+
+`bpftool btf list`
+
+- List information about loaded maps:
+
+`bpftool map list`
+
+- Probe a network device "eth0" for supported `eBPF` features:
+
+`bpftool feature probe dev {{eth0}}`
+
+- Run commands in batch mode from a file:
+
+`bpftool batch file {{myfile}}`