Update cheatsheets

linux/strace

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# strace
+
+> Troubleshooting tool for tracing system calls.
+> More information: <https://manned.org/strace>.
+
+- Start tracing a specific [p]rocess by its PID:
+
+`strace -p {{pid}}`
+
+- Trace a [p]rocess and filt[e]r output by system call:
+
+`strace -p {{pid}} -e {{system_call,system_call2,...}}`
+
+- Count time, calls, and errors for each system call and report a summary on program exit:
+
+`strace -p {{pid}} -c`
+
+- Show the [T]ime spent in every system call:
+
+`strace -p {{pid}} -T`
+
+- Start tracing a program by executing it:
+
+`strace {{program}}`
+
+- Start tracing file operations of a program:
+
+`strace -e trace=file {{program}}`
+
+- Start tracing network operations of a program as well as all its [f]orked and child processes, saving the [o]utput to a file:
+
+`strace -f -e trace=network -o {{trace.txt}} {{program}}`