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88 lines
2.1 KiB
Markdown
88 lines
2.1 KiB
Markdown
## witr
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Why is this running?
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### Synopsis
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witr explains why a process or port is running by tracing its ancestry.
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```
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witr [process name...] [flags]
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```
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### Examples
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```
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# Inspect a running process by name
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witr nginx
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# Look up a process by PID
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witr --pid 1234
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# Find the process listening on a specific port
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witr --port 5432
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# Find the process holding a file open
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witr --file /var/lib/dpkg/lock
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# Inspect a container by name
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witr --container redis
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# Inspect a process by name with exact matching (no fuzzy search)
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witr bun --exact
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# Show the full process ancestry (who started whom)
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witr postgres --tree
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# Show only warnings (suspicious env, arguments, parents)
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witr docker --warnings
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# Display only environment variables of the process
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witr node --env
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# Short, single-line output (useful for scripts)
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witr sshd --short
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# Disable colorized output (CI or piping)
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witr redis --no-color
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# Output machine-readable JSON
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witr chrome --json
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# Show extended process information (memory, I/O, file descriptors)
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witr mysql --verbose
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# Combine flags: inspect port, show environment variables, output JSON
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witr --port 8080 --env --json
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# Multiple inputs
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witr nginx node
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witr --port 8080 --port 3000
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witr --pid 1234 --pid 5678
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# Mixed inputs
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witr nginx --pid 1234 --port 8080
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```
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### Options
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```
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-c, --container strings container(s) to look up (repeatable)
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--env show environment variables for the process
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-x, --exact use exact name matching (no substring search)
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-f, --file strings file(s) held open by a process (repeatable)
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-h, --help help for witr
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-i, --interactive interactive mode (TUI)
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--json show result as JSON
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--no-color disable colorized output
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-p, --pid strings pid(s) to look up (repeatable)
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-o, --port strings port(s) to look up (repeatable)
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-s, --short show only ancestry
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-t, --tree show only ancestry as a tree
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--verbose show extended process information
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--warnings show only warnings
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```
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