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Julien Dessaux 2020-06-26 00:06:30 +02:00
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5
content/en/blog/kubernetes/_index.md Normal file
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---
title: "Kubernetes"
linkTitle: "Kubernetes"
weight: 40
---

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---
title: "Dump and restore a postgresql database on kubernetes"
linkTitle: "Dump and restore a postgresql database"
date: 2020-06-25
---
## Dumping
Assuming we are working with a postgresql statefulset, our namespace is named `miniflux` and our master pod is named `db-postgresql-0`, trying to
dump a database named `miniflux`:
{{< highlight sh >}}
export POSTGRES_PASSWORD=$(kubectl get secret --namespace miniflux db-postgresql -o jsonpath="{.data.postgresql-password}" | base64 --decode)
kubectl run db-postgresql-client --rm --tty -i --restart='Never' --namespace miniflux --image docker.io/bitnami/postgresql:11.8.0-debian-10-r19 --env="PGPASSWORD=$POSTGRES_PASSWORD" --command -- pg_dump --host db-postgresql -U postgres -d miniflux > miniflux.sql-2020062501
{{< /highlight >}}
## Restoring
Assuming we are working with a postgresql statefulset, our namespace is named `miniflux` and our master pod is named `db-postgresql-0`, trying to
restore a database named `miniflux`:
{{< highlight sh >}}
kubectl -n miniflux cp miniflux.sql-2020062501 db-postgresql-0:/tmp/miniflux.sql
kubectl -n miniflux exec -ti db-postgresql-0 -- psql -U postgres -d miniflux
miniflux=# \i /tmp/miniflux.sql
kubectl -n miniflux exec -ti db-postgresql-0 -- rm /tmp/miniflux.sql
{{< /highlight >}}

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content/en/blog/miscellaneous/osm-overlay-example.md Normal file
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---
title: "OpenStreetMap overlay example"
linkTitle: "OpenStreetMap overlay example"
date: 2020-05-19
description: >
An example of how to query things visually on OpenStreetMap
---
http://overpass-turbo.eu/
{{< highlight html >}}
<osm-script>
<query type="node">
<has-kv k="amenity" v="recycling"/>
<bbox-query {{bbox}}/>
</query>
<!-- print results -->
<print mode="body"/>
</osm-script>
{{< /highlight >}}

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content/en/blog/miscellaneous/switching-to-hugo.md
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description: >
I switched my personal wiki from dokuwiki to Hugo
---
This is the website you are currently reading. It is a static website built using hugo. This article details how I installed hugo, how I initialised this website and how I manage it. I often refer to it as wiki.adyxax.org because I hosted a unique dokuwiki for a long time as my main website (and a pmwiki before that), but with hugo it has become more than that. It is now a mix of wiki, blog and showcase of my work and interests.
[Here is the link to the full article describing how I achieved that.]({{< relref "/docs/adyxax.org/services/www.md" >}})