vault backup: 2023-03-13 13:54:42

content/notes/01-vm-ipv6.md

@@ -0,0 +1,7 @@
+---
+title: "01-vm-ipv6"
+tags: 
+- 
+---
+
+info at start of lectre 4 (6 march)

content/notes/04-scripting-techniques.md

@@ -6,7 +6,14 @@ tags:
 ---
 
 
-Least priviledge
+**Least privilege**
+- sys admins should follow this principle
+- users/proceses should not be given more privileges than they need
+- **processes always belong to users** 
+- e.g.,
+	- setuid: only when neccesary
+	- web servers starts as root to open port 80, then switches to a less privileged user
+	- temporary files shouldn't be in /tmp ⇒ everyone can access tmp, not secure
 
 scripting
 - history
@@ -29,4 +36,10 @@ conditions
 
 loops
 
-arithmet
+arithmetic
+
+sed and awk
+
+shell script vs c/c++
+
+further reading

content/notes/cosc-301.md

@@ -10,6 +10,7 @@ tags:
 https://www.cs.otago.ac.nz/cosc301/schedule.php
 
 # Assignments
+[[01-vm-ipv6]]
 
 # Labs
 - [x] [[01-VM-intro]]