commit 8d4d21bd3c7d486383952ddf6773b6dd4fa0bda7
Author: Ricardo (XenGi) Band <email@ricardo.band>
Date:   Mon Aug 15 18:30:35 2022 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a136337
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.pdf
diff --git a/kubernetes 101/Makefile b/kubernetes 101/Makefile
new file mode 100644
index 0000000..1842890
--- /dev/null
+++ b/kubernetes 101/Makefile	
@@ -0,0 +1,8 @@
+pdf:
+	marp --pdf --pdf-notes .
+
+present:
+	marp -w -s --bespoke.progress .
+
+notes:
+	marp --notes .
diff --git a/kubernetes 101/avatar.png b/kubernetes 101/avatar.png
new file mode 100644
index 0000000..56625d7
Binary files /dev/null and b/kubernetes 101/avatar.png differ
diff --git a/kubernetes 101/index.md b/kubernetes 101/index.md
new file mode 100644
index 0000000..79d7e3b
--- /dev/null
+++ b/kubernetes 101/index.md	
@@ -0,0 +1,121 @@
+---
+title: Kubernetes 101
+description: An introduction
+author: Ricardo Band
+keywords: kubernetes,container,basics
+---
+<!-- theme: default -->
+<!-- class: invert -->
+
+![bg left:40% 80%](./k8s.svg)
+
+# Kubernetes 101
+
+## An introduction
+
+---
+
+# Stuff you should already know
+
+- Containers
+- Container engines
+  - docker, podman :heart:
+- Container runtime interfaces (CRI)
+  - containerd, CRI-O, Docker Engine
+- Bonus points for:
+  - [docker|podman]-compose
+
+---
+
+# Agenda
+
+- Workloads aka your app
+- Environment
+- Containers
+- Pods
+- Replication Controllers
+- Services
+- Volumes
+- Namespaces
+
+---
+
+# Advanced topics
+
+- Deployments
+- ReplicaSets (the new Replication Controller)
+- StatefulSets
+- Ingress Controller
+- Cluster DNS
+- Container Storage Interface (CSI)
+- Container Network Interface (CNI)
+  - Network Policies
+- Custom Resources
+
+<!-- It's ok if you zone out somewhere around here. -->
+
+---
+
+![bg right 50%](./workload.drawio.svg)
+
+# Workloads and the environment
+
+Example: Simple PHP app
+
+- index.php
+- PHP runtime
+- Webserver
+- OS
+
+---
+
+# Containers
+
+- Provides an isolated environment
+  - Linux namespace and cgroups
+- Needs to be managed
+- Networking
+  - *I smell another talk around here*
+- Shared filesystems
+- Scheduling
+- Load balancing
+- Distribution
+- Persistant storage
+
+---
+
+# Containers - Hands on
+
+```shell
+$ podman run -it --rm docker.io/debian:stable
+
+$ systemctl --user status user.slice
+
+$ podman-compose up
+```
+
+<!--
+- Fooooooo
+- also bar
+  - and baz!
+-->
+
+---
+
+# Sources
+
+- [Kubernetes Children’s Guide](https://www.cncf.io/phippy/the-childrens-illustrated-guide-to-kubernetes/)
+
+---
+
+![bg opacity blur](./avatar.png)
+
+```
+
+--
+
+by Ricardo Band
+
+mailto:email@ricardo.band
+ https://www.ricardo.band/
+```
diff --git a/kubernetes 101/k8s.svg b/kubernetes 101/k8s.svg
new file mode 100644
index 0000000..bedd3b8
--- /dev/null
+++ b/kubernetes 101/k8s.svg	
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="722.8457"
+   height="701.96637"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="logo.svg"
+   inkscape:export-filename="/home/thockin/src/kubernetes/new.png"
+   inkscape:export-xdpi="460.95001"
+   inkscape:export-ydpi="460.95001">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="16.190509"
+     inkscape:cx="277.56851"
+     inkscape:cy="157.54494"
+     inkscape:document-units="px"
+     inkscape:current-layer="g3052"
+     showgrid="false"
+     inkscape:window-width="1519"
+     inkscape:window-height="822"
+     inkscape:window-x="51"
+     inkscape:window-y="25"
+     inkscape:window-maximized="0"
+     inkscape:snap-global="false"
+     fit-margin-top="10"
+     fit-margin-left="10"
+     fit-margin-right="10"
+     fit-margin-bottom="10" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-6.3260942,-174.7524)">
+    <g
+       id="g3052">
+      <path
+         style="fill:#326ce5;fill-opacity:1;stroke:#ffffff;stroke-width:0;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+         d="m 365.3125,184.8125 a 46.724621,46.342246 0 0 0 -17.90625,4.53125 l -244.34375,116.75 a 46.724621,46.342246 0 0 0 -25.28125,31.4375 L 17.5,599.78125 A 46.724621,46.342246 0 0 0 23.84375,635.3125 46.724621,46.342246 0 0 0 26.5,639 l 169.125,210.28125 a 46.724621,46.342246 0 0 0 36.53125,17.4375 L 503.375,866.65625 A 46.724621,46.342246 0 0 0 539.90625,849.25 L 708.96875,638.9375 A 46.724621,46.342246 0 0 0 718,599.71875 l -60.375,-262.25 a 46.724621,46.342246 0 0 0 -25.28125,-31.4375 l -244.375,-116.6875 A 46.724621,46.342246 0 0 0 365.3125,184.8125 z"
+         id="path3055"
+         inkscape:connector-curvature="0"
+         inkscape:export-filename="new.png"
+         inkscape:export-xdpi="250.55"
+         inkscape:export-ydpi="250.55" />
+      <path
+         inkscape:connector-curvature="0"
+         id="path3059"
+         d="m 367.73366,274.05962 c -8.07696,8.2e-4 -14.62596,7.27591 -14.625,16.25 1e-5,0.13773 0.0282,0.26934 0.0312,0.40625 -0.0119,1.21936 -0.0708,2.68836 -0.0312,3.75 0.19262,5.176 1.3209,9.13749 2,13.90625 1.23028,10.20666 2.26117,18.66736 1.625,26.53125 -0.61869,2.9654 -2.80288,5.67741 -4.75,7.5625 l -0.34375,6.1875 c -8.77682,0.72717 -17.61235,2.05874 -26.4375,4.0625 -37.97461,8.62218 -70.67008,28.18307 -95.5625,54.59375 -1.61522,-1.10193 -4.44103,-3.12914 -5.2813,-3.75 -2.61117,0.35262 -5.25021,1.15829 -8.6875,-0.84375 -6.54491,-4.40563 -12.50587,-10.48693 -19.71875,-17.8125 -3.30498,-3.50419 -5.69832,-6.84101 -9.625,-10.21875 -0.89172,-0.76707 -2.25258,-1.80455 -3.25,-2.59375 -3.06988,-2.44757 -6.6907,-3.72402 -10.1875,-3.84375 -4.49589,-0.15394 -8.82394,1.60385 -11.65625,5.15625 -5.03521,6.31538 -3.42312,15.96805 3.59375,21.5625 0.0712,0.0567 0.14702,0.10078 0.21875,0.15625 0.96422,0.78162 2.14496,1.78313 3.03125,2.4375 4.16687,3.07655 7.9732,4.65145 12.125,7.09375 8.747,5.40181 15.99837,9.88086 21.75,15.28125 2.24602,2.39417 2.63858,6.61292 2.9375,8.4375 l 4.6875,4.1875 c -25.09342,37.76368 -36.70686,84.40946 -29.8437,131.9375 l -6.125,1.78125 c -1.6143,2.08461 -3.89541,5.36474 -6.2813,6.34375 -7.52513,2.37021 -15.99424,3.24059 -26.21875,4.3125 -4.80031,0.39915 -8.94218,0.16095 -14.03125,1.125 -1.12008,0.21218 -2.68072,0.61877 -3.90625,0.90625 -0.0426,0.009 -0.0824,0.0216 -0.125,0.0312 -0.0668,0.0155 -0.15456,0.0479 -0.21875,0.0625 -8.62014,2.08279 -14.15774,10.006 -12.375,17.8125 1.78316,7.80833 10.20314,12.55677 18.875,10.6875 0.0626,-0.0143 0.1535,-0.0167 0.21875,-0.0312 0.0979,-0.0224 0.18409,-0.0699 0.28125,-0.0937 1.20885,-0.26536 2.72377,-0.5606 3.78125,-0.84375 5.00334,-1.33963 8.62694,-3.30796 13.125,-5.03125 9.67694,-3.47077 17.69173,-6.37022 25.5,-7.5 3.26118,-0.25542 6.69711,2.01216 8.40625,2.96875 l 6.375,-1.09375 c 14.67018,45.48282 45.41416,82.24502 84.34375,105.3125 l -2.65625,6.375 c 0.95742,2.47542 2.01341,5.8247 1.30022,8.26932 -2.83868,7.3612 -7.70097,15.13097 -13.23772,23.79318 -2.68085,4.00192 -5.42453,7.10761 -7.84375,11.6875 -0.5789,1.09589 -1.31618,2.77932 -1.875,3.9375 -3.75884,8.04236 -1.00164,17.3052 6.21875,20.78125 7.26575,3.49788 16.28447,-0.19134 20.1875,-8.25 0.006,-0.0114 0.0257,-0.0198 0.0312,-0.0312 0.004,-0.009 -0.004,-0.0225 0,-0.0312 0.55593,-1.14255 1.34353,-2.64437 1.8125,-3.71875 2.07213,-4.74702 2.76161,-8.81506 4.21875,-13.40625 3.86962,-9.72014 5.99567,-19.91903 11.32258,-26.27411 1.45868,-1.74023 3.83681,-2.4095 6.30242,-3.06964 l 3.3125,-6 c 33.93824,13.0268 71.92666,16.52246 109.875,7.90625 8.65697,-1.96557 17.01444,-4.50945 25.09375,-7.5625 0.93098,1.65133 2.66113,4.8257 3.125,5.625 2.50559,0.81518 5.24044,1.23614 7.46875,4.53125 3.98539,6.80898 6.7109,14.86416 10.03125,24.59375 1.45738,4.59111 2.17762,8.65933 4.25,13.40625 0.47234,1.08195 1.256,2.60486 1.8125,3.75 3.89482,8.08484 12.94212,11.78667 20.21875,8.28125 7.2195,-3.4779 9.97974,-12.7399 6.21875,-20.78125 -0.55889,-1.15814 -1.3273,-2.84164 -1.90625,-3.9375 -2.41946,-4.57976 -5.1627,-7.65448 -7.84375,-11.65625 -5.53721,-8.66192 -10.12968,-15.8577 -12.96875,-23.21875 -1.18711,-3.79657 0.20028,-6.15774 1.125,-8.625 -0.55378,-0.63477 -1.73881,-4.22009 -2.4375,-5.90625 40.4574,-23.88816 70.29856,-62.02129 84.3125,-106.0625 1.8924,0.29742 5.18154,0.87936 6.25,1.09375 2.19954,-1.4507 4.22194,-3.34352 8.1875,-3.03125 7.80832,1.12937 15.82288,4.02973 25.5,7.5 4.49815,1.72306 8.1216,3.72313 13.125,5.0625 1.05749,0.28309 2.57238,0.5472 3.78125,0.8125 0.0972,0.0238 0.1833,0.0714 0.28125,0.0937 0.0653,0.0146 0.15615,0.0169 0.21875,0.0312 8.67236,1.86695 17.09384,-2.87871 18.875,-10.6875 1.78074,-7.80696 -3.7543,-15.73201 -12.375,-17.8125 -1.25393,-0.28513 -3.03225,-0.76938 -4.25,-1 -5.08912,-0.96378 -9.23092,-0.7261 -14.03125,-1.125 -10.22456,-1.07138 -18.6935,-1.94269 -26.21875,-4.3125 -3.06826,-1.19028 -5.25103,-4.84124 -6.31255,-6.34375 l -5.90625,-1.71875 c 3.06226,-22.15442 2.23655,-45.21134 -3.0625,-68.28125 -5.34839,-23.28471 -14.80037,-44.58084 -27.40625,-63.34375 1.51505,-1.37729 4.37619,-3.91091 5.1875,-4.65625 0.23716,-2.62417 0.0334,-5.37553 2.75,-8.28125 5.75134,-5.40069 13.00329,-9.87898 21.75,-15.28125 4.15167,-2.44252 7.98954,-4.01698 12.15625,-7.09375 0.94225,-0.69576 2.2289,-1.79759 3.21875,-2.59375 7.01538,-5.59633 8.63058,-15.24842 3.59375,-21.5625 -5.03683,-6.31408 -14.79712,-6.90883 -21.8125,-1.3125 -0.99856,0.79085 -2.35353,1.82252 -3.25,2.59375 -3.9265,3.37796 -6.35145,6.71439 -9.65625,10.21875 -7.21249,7.32595 -13.17407,13.43777 -19.71875,17.84375 -2.83601,1.65106 -6.98996,1.07978 -8.87505,0.96875 l -5.5625,3.96875 c -31.7188,-33.26057 -74.90466,-54.52546 -121.40605,-58.6563 -0.13006,-1.94872 -0.30045,-5.47117 -0.34375,-6.53125 -1.90371,-1.82165 -4.20342,-3.37686 -4.78125,-7.3125 -0.63617,-7.86389 0.42597,-16.32459 1.65625,-26.53125 0.6791,-4.76876 1.80738,-8.73025 2,-13.90625 0.0438,-1.17663 -0.0265,-2.88401 -0.0312,-4.15625 -9.6e-4,-8.97409 -6.54804,-16.25082 -14.625,-16.25 z m -18.3125,113.4375 -4.34375,76.71875 -0.3125,0.15625 c -0.29134,6.86335 -5.93996,12.34375 -12.875,12.34375 -2.84081,0 -5.46294,-0.91229 -7.59375,-2.46875 l -0.125,0.0625 -62.90625,-44.59375 c 19.33365,-19.01115 44.06291,-33.06039 72.5625,-39.53125 5.20599,-1.18203 10.40966,-2.0591 15.59375,-2.6875 z m 36.65625,0 c 33.27347,4.09232 64.04501,19.15882 87.625,42.25 l -62.5,44.3125 -0.21875,-0.0937 c -5.54745,4.05169 -13.36343,3.04639 -17.6875,-2.375 -1.77132,-2.22096 -2.70072,-4.83239 -2.8125,-7.46875 l -0.0625,-0.0312 z m -147.625,70.875 57.4375,51.375 -0.0625,0.3125 c 5.18437,4.50697 5.94888,12.32794 1.625,17.75 -1.7712,2.22105 -4.14208,3.71074 -6.6875,4.40625 l -0.0625,0.25 -73.625,21.25 c -3.74728,-34.26517 4.32855,-67.57364 21.375,-95.34375 z m 258.15625,0.0312 c 8.5341,13.83256 14.99655,29.28214 18.84375,46.03125 3.80106,16.54828 4.75499,33.06697 3.1875,49.03125 l -74,-21.3125 -0.0625,-0.3125 c -6.6265,-1.81104 -10.69893,-8.55162 -9.15625,-15.3125 0.63203,-2.76962 2.10222,-5.11264 4.09375,-6.84375 l -0.0312,-0.15625 57.125,-51.125 z m -140.65625,55.3125 23.53125,0 14.625,18.28125 -5.25,22.8125 -21.125,10.15625 -21.1875,-10.1875 -5.25,-22.8125 z m 75.4375,62.5625 c 0.99997,-0.0505 1.99558,0.0396 2.96875,0.21875 l 0.125,-0.15625 76.15625,12.875 c -11.1455,31.3131 -32.47281,58.44018 -60.96875,76.59375 l -29.5625,-71.40625 0.0937,-0.125 c -2.71561,-6.30999 0.002,-13.70956 6.25,-16.71875 1.59965,-0.77041 3.27089,-1.19701 4.9375,-1.28125 z m -127.90625,0.3125 c 5.81174,0.0815 11.02462,4.11525 12.375,10.03125 0.63219,2.76958 0.3245,5.51375 -0.71875,7.9375 l 0.21875,0.28125 -29.25,70.6875 c -27.34716,-17.5486 -49.12927,-43.82403 -60.78125,-76.06245 l 75.5,-12.8125 0.125,0.15625 c 0.84451,-0.15541 1.701,-0.2304 2.53125,-0.21875 z m 63.78125,30.9688 c 2.02445,-0.0744 4.07865,0.34098 6.03125,1.28125 2.55951,1.23253 4.53673,3.17319 5.78125,5.5 l 0.28125,0 37.21875,67.25 c -4.83029,1.61923 -9.79609,3.00308 -14.875,4.15625 -28.46453,6.4629 -56.83862,4.50467 -82.53125,-4.25 l 37.125,-67.125 0.0625,0 c 2.22767,-4.16441 6.45247,-6.64887 10.90625,-6.8125 z"
+         style="font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-indent:0;text-align:start;text-decoration:none;line-height:normal;letter-spacing:normal;word-spacing:normal;text-transform:none;direction:ltr;block-progression:tb;writing-mode:lr-tb;text-anchor:start;baseline-shift:baseline;color:#000000;fill:#ffffff;fill-opacity:1;stroke:#ffffff;stroke-width:0.25;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate;font-family:Sans;-inkscape-font-specification:Sans"
+         sodipodi:nodetypes="ccccccccsccccscssccsccccccccscccsccccccccccccccscccscsccsccccscscsccccccccscccscsccccsccccscscscccccccccccccccscccsccccccccccccscccccscccccccccccccccccccccccscccscccccccccscccscccc"
+         inkscape:export-filename="./path3059.png"
+         inkscape:export-xdpi="250.55"
+         inkscape:export-ydpi="250.55" />
+    </g>
+  </g>
+</svg>