Singularity

Anonymous (anonymous@undisclosed.example.com) — 2023-10-13T08:03:44+00:00

Singularity .sif i cache singularity pull hello-world.sif shub://vsoch/hello-world singularity cache list [-v] containers singularity exec hello-world.sif /bin/echo Hello World! singularity shell hello-world.sif singularity shell hello-world.sif Singularity> whoami

git tips

Anonymous (anonymous@undisclosed.example.com) — 2025-07-10T13:00:33+00:00

git tips git git fetch VS git pull * git pull = git fetch (+ git checkout) + git merge * modo seguro: git fetch origin git log --oneline main..origin/main git checkout main git log origin/main git merge origin/main * * * *

terraform variables

Anonymous (anonymous@undisclosed.example.com) — 2025-06-10T13:50:56+00:00

terraform variables * declaración * recomendado en fichero aparte variables.tf declaración: variable "aws_region" { description = "AWS region" type = string default = "us-west-2" } variable "instance_count" { description = "Number of instances to provision." type = number default = 2 } variable "enable_vpn_gateway" { description = "Enable a VPN gateway in your V…

DOCKER

Anonymous (anonymous@undisclosed.example.com) — 2025-06-17T09:04:37+00:00

DOCKER devops info related +info * dockerd * Dockerfile * docker-compose * docker volumes * docker TLS (OLD) * docker daemon TLS * docker context * docker scan * Dev Containers: * Health Check: * * *

git DIFF

Anonymous (anonymous@undisclosed.example.com) — 2025-10-31T18:00:36+00:00

git DIFF git comando /via: diferencias en ficheros * mostrar diferencias entre working area y último commit: git diff @ # @ = HEAD * mostrar ficheros cambiados respecto a un commit: git show --stat --oneline git diff-tree --no-commit-id --name-only -r

POC estructura AD

Anonymous (anonymous@undisclosed.example.com) — 2019-04-04T06:54:12+00:00

POC estructura AD intro * basado en ficheros # # VPC # resource "aws_vpc" "vpc_myapp" { cidr_block = "${var.vpc_cidr}" instance_tenancy = "default" enable_dns_support = true enable_dns_hostnames = true tags { Name = "VPC-MYAPP" } } # # Internet Gateway - VPC wide # resource "aws_internet_gateway" "igw_main" { vpc_id = "${aws_vpc.vpc_myapp.id}" tags { Name = "IGW-MYAPP" } depends_on = …

terraform win-instance

Anonymous (anonymous@undisclosed.example.com) — 2019-05-20T07:23:54+00:00

terraform win-instance de interés * uso key para recuperar contraseña admin windows * asignación IP privada a dedo * IP pública variable código resource "aws_vpc" "my_vpc" { cidr_block = "172.16.0.0/16" tags = { Name = "tf-example" } } resource "aws_subnet" "my_subnet" { vpc_id = "${aws_vpc.my_vpc.id}" cidr_block = "172.16.10.0/24" availability_zone = "${var.az1}" map_public_ip_on_launch = true tags = { Name = "tf-example" } } resource "…

Dockerfile run script

Anonymous (anonymous@undisclosed.example.com) — 2021-11-16T07:40:57+00:00

Dockerfile run script dockerfile /via: destacable completo #!/bin/sh # execute any pre-init scripts for i in /scripts/pre-init.d/*sh do if [ -e "${i}" ]; then echo "[i] pre-init.d - processing $i" . "${i}" fi done if [ -d "/run/mysqld" ]; then echo "[i] mysqld already present, skipping creation" chown -R mysql:mysql /run/mysqld else echo "[i] …

Anotaciones curso GIT

Anonymous (anonymous@undisclosed.example.com) — 2023-05-17T13:07:31+00:00

Anotaciones curso GIT * git init * git add * .gitignore * git diff [--staged][--cached] * git commit [-m «mensaje»][-a][--ammend] * git config --global core.editor * git config --global alias.unstage 'reset HEAD ~' * git config --

git diff[tool]

Anonymous (anonymous@undisclosed.example.com) — 2025-07-10T13:00:14+00:00

git diff[tool] git básicos git diff @ # @ = HEAD git show --stat --oneline git diff-tree --no-commit-id --name-only -r configuración difftool #git config --global merge.tool kdiff3 #git config --global mergetool.kdiff3.path "/usr/bin/kdiff3" #git config --global mergetool.kdiff3.trustExitCode false git config --global --add diff.guitool kdiff3 git config --global difftool.kdiff3.path "/usr/bin/kdiff3" git config --global difftool.kdiff3.trustExitCode false

.git*

Anonymous (anonymous@undisclosed.example.com) — 2026-05-04T14:02:34+00:00

.git* git .gitconfig * ~/.gitconfig: [alias] ck = checkout s = status l = log --oneline --max-count=10 ll = log --pretty=format:"%C(yellow)%h%Cred%d\\ %Creset%s%Cblue\\ [%cn]" --decorate --numstat lg = log --oneline --decorate --graph ls = log --pretty=format:"%C(yellow)%h%Cred%d\\ %Creset%s%Cblue\\ [%cn]" --decorate alias = ! git config --get-regexp ^alias\\. | sed -e s/^alias\\.// -e s/\\ /\\ =\\ / a = add b = branc…

git repo server

Anonymous (anonymous@undisclosed.example.com) — 2021-03-09T08:37:32+00:00

git repo server seguridad protocolos * local * http(s) * Smart HTTP * Dumb HTTP * ssh * git ssh * git-shell * usermod -s /usr/bin/git-shell * /etc/ssh/sshd_config: Match User git ForceCommand /usr/bin/git AllowTCPForwarding no X11Forwarding no

Terraform state

Anonymous (anonymous@undisclosed.example.com) — 2020-04-06T13:57:07+00:00

Terraform state comandos * list: lista los recursos del state * show: muestra los detalles de uno de los recursos del state * mv: mueve o renombra un recurso * rm: elimina un recurso * pull: descarga el state de un remoto * push: sube el state desde local al remoto

docker daemon TLS

Anonymous (anonymous@undisclosed.example.com) — 2021-12-04T06:03:42+00:00

docker daemon TLS * create directories: mkdir -p ${HOME}/.docker mkdir -p /etc/docker/certs * create certificates: docker run --rm -v $(pwd)/.docker:/certs paulczar/omgwtfssl sudo cp ~/.docker/ca.pem /etc/docker/ssl/ca.pem chown -R $USER ~/.docker # añadir IPs correspondientes docker run --rm -v /etc/docker/ssl:/server \ -v $(pwd)/.docker:/certs \ -e SSL_IP=127.0.0.1,172.17.8.101 \ -e SSL_DNS=docker.local -e SSL_KEY=/server/key.pem \ -e SSL_CERT=/server/cert.pem paulczar/o…

docker SWARM

Anonymous (anonymous@undisclosed.example.com) — 2022-05-06T10:02:18+00:00

docker SWARM conceptos básicos * stacks * servicios info * * traefik * swarmpit: Prometheus + Grafana + ... * * remote * DOCKER_HOST=“ssh://user@remotehost” docker-compose up -d * docker context /via: relacionado

git autopush shell script

Anonymous (anonymous@undisclosed.example.com) — 2026-05-04T14:01:40+00:00

git autopush shell script git script bash para hacer un commit de un repositorio GIT de manera automatizada * añadir a cron para ejecución automatizada. * hay que configurar el remote: * git config credential.helper <- no he hecho funcionar o no aporta

git FETCH

Anonymous (anonymous@undisclosed.example.com) — 2026-05-12T11:50:31+00:00

git FETCH git comando La respuesta corta es: no recibirás una notificación de sistema (como un mensaje emergente o un aviso sonoro), pero la terminal te dará información visual inmediata si hay algo nuevo. git fetch es como asomarse a la ventana para ver si ha llegado el correo: descargas la información sobre lo que hay en el servidor, pero no "abres las cartas" (no mezclas los cambios con tu código todavía).

git: fusion varios repos en 1 conservando historia

Anonymous (anonymous@undisclosed.example.com) — 2025-07-10T13:02:15+00:00

git: fusion varios repos en 1 conservando historia git /via: * creamos nuevo repo + primer commit (no remote necesario en este momento para este repo) * añadimos el remote del primer repo que queremos fusionar: git remote add -f first_repo `link_to_first_repo` git merge --allow-unrelated-histories first_repo/master

VAGRANT

Anonymous (anonymous@undisclosed.example.com) — 2022-02-14T17:48:57+00:00

VAGRANT devops info * vagrantfile * vagrantfile examples related help * * vagrant_hosts -> sync_hosts: config files * config.vm : * provision docker : resumen comandos imágenes (box) * vagrant box add : descargar * alternati…

vagrantfile

Anonymous (anonymous@undisclosed.example.com) — 2022-02-14T18:45:26+00:00

vagrantfile * provisioning: Vagrant.configure("2") do |config| * config namespace: box * box a usar: config.vm.box * config.vm.box=«debian/bullseye64» * versión de la box a usar: config.vm.box_version * config.vm.box_version=

vagrantfile examples

Anonymous (anonymous@undisclosed.example.com) — 2022-02-14T17:49:14+00:00

vagrantfile examples vagrant box * crear una box en Vagrant: * vagrant package --output fichero.box * subir (versión, proveedor, etc...) * descargar (desde otro Vagrantfile): ejemplos configuraciones simples

docker-compose casos de uso

Anonymous (anonymous@undisclosed.example.com) — 2024-10-19T15:48:52+00:00

docker-compose casos de uso docker-compose mariadb + adminer version: '3.9' services: db: image: mariadb ports: - "3306:3306" volumes: - ./data/db:/var/lib/mysql env_file: - db.env container_name: mariadb adminer: image: adminer restart: unless-stopped ports: - 8080:8080

dockerd remote tls access

Anonymous (anonymous@undisclosed.example.com) — 2020-04-11T07:55:19+00:00

dockerd remote tls access via * * * * setup * pretendemos «asegurar» la conexión con el dockerd de manera que solo los clientes con certificado firmado por la misma CA que el servidor p…

Vagrantfile: multi-machine cluster in a loop

Anonymous (anonymous@undisclosed.example.com) — 2021-11-16T11:01:40+00:00

Vagrantfile: multi-machine cluster in a loop vagrantfile # -*- mode: ruby -*- # vi: set ft=ruby : VAGRANTFILE_API_VERSION = "2" cluster = { "master" => { :ip => "192.168.33.10", :cpus => 1, :mem => 1024 }, "slave" => { :ip => "192.168.33.11", :cpus => 1, :mem => 1024 } } Vagrant.configure(VAGRANTFILE_API_VERSION) do |config| cluster.each_with_index do |(hostname, info), index| config.vm.define hostname do |cfg| cfg.vm.provider :virtualbox do |vb, override| config…

vagrant mysql

Anonymous (anonymous@undisclosed.example.com) — 2021-11-16T10:55:39+00:00

vagrant mysql vagrantfile los ficheros necesarios se han servido desde un pequeño contenedor (por restricciones de licencia o firewall), docker run -d -p 9090:80 -v $PWD:/http tiagoad/nginx-index con docker (problema sin resolver, la VM arranca bien el mysql la primera vez, pero no las posteriores)

vagrant php

Anonymous (anonymous@undisclosed.example.com) — 2021-11-16T10:56:19+00:00

vagrant php vagrantfile php5 Vagrant.configure("2") do |config| config.vm.box = "peru/ubuntu-18.04-desktop-amd64" config.vm.box_version = "20190401.01" config.vm.provision "file", source: "../../common/info.php", destination: "/tmp/info.php" config.vm.provider :virtualbox do |v| v.name = "altrankas-apache-php5" v.linked_clone = true v.memory = 2048 v.cpus = 2 end config.vm.provision "shell", path: "install.sh" config.vm.provision "shell", path: "../../common/…

Dockerfile mariadb + SSL

Anonymous (anonymous@undisclosed.example.com) — 2021-11-16T07:36:10+00:00

Dockerfile mariadb + SSL dockerfile Dockerfile FROM mariadb:latest ADD --chown=mysql:root ./data/certs/server-key.pem /etc/mysql/certs/server.key ADD ./data/certs/server-cert.pem /etc/mysql/certs/server.crt ADD ./data/certs/ca-cert.pem /etc/mysql/certs/CA.crt ADD ./data/certs/ssl.cnf /etc/mysql/conf.d/ssl.cnf

miguel angel torres egea