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Sergio Galvan sgmac

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sgmac / multiple_ssh_setting.md
Created August 6, 2025 07:46 — forked from jexchan/multiple_ssh_setting.md
Multiple SSH keys for different github accounts

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"
@sgmac
sgmac / gist:47c21ef29c551d2b618ae2d27375b82d
Created July 10, 2025 16:56 — forked from rxaviers/gist:7360908
Complete list of github markdown emoji markup

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@sgmac
sgmac / semantic-commit-messages.md
Created May 23, 2025 14:04 — forked from joshbuchea/semantic-commit-messages.md
Semantic Commit Messages

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

@sgmac
sgmac / latency.txt
Created May 12, 2025 05:04 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@sgmac
sgmac / 06-01-deploy-argo-previews.sh
Created September 23, 2021 11:07 — forked from vfarcic/06-01-deploy-argo-previews.sh
# Source: https://gist.github.com/808108069f709572f1bc372c65f6b5c0
###########
# Prepare #
###########
# Option 1:
# Create a Kubernetes cluster
# Install NGINX Ingress
# Install Argo CD
@sgmac
sgmac / minikube-argocd.sh
Created September 18, 2021 15:22 — forked from vfarcic/minikube-argocd.sh
# Source: https://gist.github.com/84324e2d6eb1e62e3569846a741cedea
####################
# Create a Cluster #
####################
minikube start
#############################
# Deploy Ingress Controller #
@sgmac
sgmac / feed.go
Created May 1, 2018 21:05
Managing opml feeds
package main
import (
"encoding/xml"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"strings"
@sgmac
sgmac / tickcontext.go
Created April 10, 2018 14:47
package main
import (
"context"
"fmt"
"os"
"os/signal"
"sync"
"syscall"
"time"
@sgmac
sgmac / Fix OpenSSL Padding Oracle vulnerability (CVE-2016-2107) - Ubuntu 14.04
Created October 12, 2016 08:09 — forked from ArturT/Fix OpenSSL Padding Oracle vulnerability (CVE-2016-2107) - Ubuntu 14.04
Fix OpenSSL Padding Oracle vulnerability (CVE-2016-2107) - Ubuntu 14.04
# Based on http://fearby.com/article/update-openssl-on-a-digital-ocean-vm/
$ sudo apt-get update
$ sudo apt-get dist-upgrade
$ wget ftp://ftp.openssl.org/source/openssl-1.0.2j.tar.gz # Check the last version
$ tar -xvzf openssl-1.0.2h.tar.gz
$ cd openssl-1.0.2h
$ ./config --prefix=/usr/
$ make depend
@sgmac
sgmac / gophers_mx.go
Last active April 19, 2016 23:06
// Crear un programa que declare dos funciones anónimas. Una que cuente del 0 al 200 y otra que cuente de 200 a 0.
// Mostrar cada número con un identificador único para cada goroutine.
// Crear goroutines a partir de estas funciones.
// No permitir que main regrese hasta que ambas goroutines hayan terminado de correr.
// https://play.golang.org/p/wjhbcgFg-g
package main
// Agregar imports.