stress: add page (#3694)

pages/linux/stress.md

@@ -0,0 +1,19 @@
+# stress
+
+> A tool to stress test CPU, memory, and IO on a Linux system.
+
+- Spawn 4 workers to stress test CPU:
+
+`stress -c {{4}}`
+
+- Spawn 2 workers to stress test IO and timeout after 5 seconds:
+
+`stress -i {{2}} -t {{5}}`
+
+- Spawn 2 workers to stress test memory (each worker allocates 256M bytes):
+
+`stress -m {{2}} --vm-bytes {{256M}}`
+
+- Spawn 2 workers spinning on write()/unlink() (each worker writes 1G bytes):
+
+`stress -d {{2}} --hdd-bytes {{1GB}}`