From e54206c918190341bb361187261620151e98ef0b Mon Sep 17 00:00:00 2001
From: Olaf Bohlen <olbohlen@eenfach.de>
Date: Tue, 21 Feb 2023 09:06:23 +0100
Subject: [PATCH] foo
---
do180.org | 54 +++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 47 insertions(+), 7 deletions(-)
diff --git a/do180.org b/do180.org
index 32b762c..6a3115e 100644
--- a/do180.org
+++ b/do180.org
@@ -1,16 +1,50 @@
* ISO/OSI Reference Model
-7 Application Layer | mysql-client ^
-6 Presentation Layer | |
-5 Session Layer | |
-4 Transport Layer | TCP 3306 |
+7 Application Layer | firefox web browser ^
+6 Presentation Layer | HTML |
+5 Session Layer | HTTP |
+4 Transport Layer | TCP 80 |
3 Network Layer | IP 10.88.0.74 |
2 Datalink Layer | ETH 0:14:4f:c9:85:70 |
1 Physical Layer v Copper/Fibre |
+People Do Not Throw Sausage Pizza Away
+#+begin_src ditaa :file packet-content.png :cmdline -E -s 0.8
++----------+---
+|Eth Frame |Payload
+| Header |+-----------+----
+| SRC MAC || IP Packet |Payload
+| DST MAC || SRC IP |+-----------+-------
+ || DST IP || TCP Packet| Payload...
+ | SRC Port
+ | DST Port
+#+end_src
+
+* layers
+
+#+begin_src ditaa :file containerimage-layers.png :cmdline -E -s 0.8
+ ubi8 ubi8+apache ubi8+apache+php
+ +---------------+
+ | Instruction 2 |
+ +---------------+ +---------------+
+ | Instruction 1 | | Instruction 1 |
+ +-------------+ Instr1 +---------------+ Instr 2 +---------------+
+ | Base Layer | -------> | Base Layer | ---------> | Base Layer |
+ +-------------+ +---------------+ +---------------+
+ |
+ |Alt Inst2
+ v ubi8+apache+ruby
+ +---------------+
+ | Alt Inst 2 |
+ +---------------+
+ | Instruction 1 |
+ +---------------+
+ | Base Layer |
+ +---------------+
+#+end_src
* Container components
#+begin_src ditaa :file processlist-containers.png :cmdline -E -s 0.8
@@ -28,7 +62,7 @@
|---------------+ namespace, chroot, SELinux, cgroups, Seccomp
+- 54 mysql5.8 |
|---------------+
-|------------+ namespace, chroot, SELinux, cgroups, Seccomp
++------------+ namespace, chroot, SELinux, cgroups, Seccomp
+- 74 apache |
|------------+
|
@@ -37,6 +71,10 @@
#+end_src
+/container1/usr/sbin/mysqld
+/container2/usr/sbin/mysqld
+
+chroot /container1
* UNIX Memory Seperation
#+begin_src ditaa :file userland.png :cmdline -E -s 0.8
@@ -55,12 +93,12 @@
* docker vs podman components
(root)
-docker-cli ---REST (HTTP)---> docker-daemon ----> container
+docker-cli ---REST (HTTP)---> docker-daemon --> moby --> container
[webserver]
(root)
podman -> CRI-O -> runC -> container
- (Container Runtime Interface - OCI (Open Container Intiative))
+ (Container Runtime Interface - OCI (Open Container Initiative))
alias docker=podman
@@ -80,6 +118,8 @@
| | delete | buildconfig / bc | |
| | create | imagestream / is | |
| | | NetworkPolicy | |
+| | | project | |
+| | | route | |
# oc new-project
# oc new-app
--
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