Add shell tips

src/SUMMARY.md

@@ -11,7 +11,8 @@
         - [SVN](./dev/tools/svn.md)
 
 - [Ops](./ops/main.md)
+    - [Shell Tips](./ops/shelltips.md)
     - [Tools](./ops/tools/main.md)
         - [Ansible](./ops/tools/ansible.md)
         - [MongoDB](./ops/tools/mongodb.md)
-        - [OpenSSL](./ops/tools/openssl.md)
+        - [OpenSSL](./ops/tools/openssl.md)

src/ops/shelltips.md

@@ -0,0 +1,7 @@
+# Shell Tips
+
+## Find stuff eating all SWAP (kudos gardouille)
+
+```shell
+find /proc -maxdepth 2 -type f -iname status -exec grep -HR VmSwap {} \; | grep -v " 0 kB"
+```