Auto mount CephFS with autofs
In order to ensure any mount is available the usage of /etc/fstab is not enough, what happens if the mount is not accessible at boot time or if the network is down for any reason. autofs is a service that […]
Tecnología
Override with an inline entry point on docker-compose.yml
This simple post I will demonstrate how to override an entry point with an inline script to any docker-compose.yml. According to docker compose reference, the default entry point of an image could be overridden, pointing to a file inside the […]
bashtop – top on steroids on bash
Do you have bash and do you want a damn pretty good top command without installing a bunch of dependencies, stop searching you’ve found bashtop.
Managing remote docker instances
This is a short recipe to use new context feature in docker to create & switch between docker contexts, so you can run any docker command remotely without need to establish a SSH connection (it’s done automatically by the docker […]
Docker volume with NFS driver
One of the most needed feature to run a docker swarm is to manage volumes the most automatic way, so the orchestration is easier & cleaner. Bind volumes are not a proper solution because it forces the swarm administrator to […]
Using YAML anchors & aliases on docker-compose.yml
One of the most forgotten feature of the YAML files is the usage of templates in order to decrease the copy&paste effect on them. And yes, it’s a feature of YAML files, not from docker. Repeated code is always considered […]
Portainer
Short recipe to run portainer + agent in a swarm. Just create portainer.yml with your preferred editor: Take care about the volume, if several nodes are present you should store the volume in any kind of shared access (i.e. NFS […]
Acelera tu PC o MAC con un disco SSD
Parece casi magia, pero puedes renovar tu ordenador y sacarle mucho más partido durante otros tantos años si reemplazas el disco mecánico por uno SSD. Mi viejo iMac que casi no usaba ha pasado a ser mi herramienta diaria de […]
Ver imágenes desde la consola de Linux
El otro día descubrí una pequeña utilidad que nos permite visualizar imágenes de cualquier tipo directamente en la consola de texto (sin servidor gráfico) mediante ASCII-art en pantalla. La herramienta, o mejor dicho el conjunto de herramientas tiene el “curioso” […]
Reemplazar texto en MySQL
Este post es sencillo, se trata de reemplazar cadenas de texto dentro de una columna en una tabla en MySQL (o cualquier otro gestor de base de datos).