Sitios utiles

Sitios utiles

https://haveibeenpwned.com/ - para ver tu correo personal o corporativo

https://cybernews.com/password-leak-check/ - para ver si las claves mas usadas que tienes han sido filtradas.

Comandos de red utiles

 

sudo arp-scan --localnet                 para saber que hay en la red

sudo netdiscover -r 192.168.1.0/24 para saber que hay en la red

Enum4linux                 conocer usuarios de la red

nmblookup -A IP         para saber nombre de la maquina

NMAP                  scan de puertos

nmap -sS 192.168.0.1 validacion de servicios TCP

nmap -sT 192.168.0.1 validacion de servicios UDP

nmap -sV 192.168.0.1 validacion de version del servicio

nmap -sC -A -p23,80,443,5000 192.168.0.1 revision de puertos especificos

nmap 192.168.0.5,233,252 o rangos: nmap 192.168.0.200-254 para scan de rangos de IP

configurar timezone linux ubuntu - set TimeZone

#configurar timezone linux ubuntu  - set TimeZone

sudo timedatectl set-timezone America/Santiago

Audit a las autenticaciones

con estos comandos podemos visualizar que usuarios han intentado ingresar a la maquina

#funciona hast debian buster

cat /var/log/auth* | grep Failed

cat /var/log/auth* | grep Accepted

audit.sh

Para bookworm Debian 12

#https://serverfault.com/questions/1148725/where-is-some-os-logs-in-debian-12

journalctl --since "1 hour ago" | grep Accepted*

journalctl --since "1 hour ago" | grep Failed*

Ejemplo:  sshd[178606]: Accepted password for pi from 192.168.1.105 port 58964 ssh2

correo plano python - Sending Emails in Python With SMTP

 https://code.tutsplus.com/tutorials/sending-emails-in-python-with-smtp--cms-29975

# import necessary packages

  

from email.mime.multipart import MIMEMultipart

from email.mime.text import MIMEText

import smtplib

  

# create message object instance

msg = MIMEMultipart()

  

  

message = "Thank you"

  

# setup the parameters of the message

password = "your_password"

msg['From'] = "your_address"

msg['To'] = "to_address"

msg['Subject'] = "Subscription"

  

# add in the message body

msg.attach(MIMEText(message, 'plain'))

  

#create server

server = smtplib.SMTP('smtp.gmail.com: 587')

  

server.starttls()

  

# Login Credentials for sending the mail

server.login(msg['From'], password)

  

  

# send the message via the server.

server.sendmail(msg['From'], msg['To'], msg.as_string())

  

server.quit()

  

print("successfully sent email to %s:" % (msg['To']))

Temp - stress rpi4 fanless

 https://community.element14.com/products/roadtest/b/blog/posts/raspberry-pi-4-model-b-review

sudo apt-get install stress

sudo stress --cpu 4

watch -n 1 /opt/vc/bin/vcgencmd measure_temp

Clear Jenkins build history ( clear build yesterday )

Go to Jenkins Script Console.

Go to your Jenkins home page -> Manage Jenkins -> Script Console.

def jobName = "Nombre del job a limpiar"

def job = Jenkins.instance.getItem(jobName)  

job.getBuilds().each { it.delete() }  

job.nextBuildNumber = 1   

job.save()

https://superuser.com/questions/1418885/clear-jenkins-build-history-clear-build-yesterday#:~:text=Delete%20a%20Jenkins%20build%20via,script%20in%20Jenkins%20Script%20Console.