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RomelSan / ssh.txt
Created July 12, 2019 22:21
SSH service Linux
* start the SSH service with systemctl
sudo systemctl enable ssh
sudo systemctl start ssh
sudo systemctl restart sshd
* Allow Or Deny SSH Access To A Particular User Or Group In Linux
sudo nano /etc/ssh/sshd_config
* Add or edit the following line:
@RomelSan
RomelSan / raspberry-pi4.md
Last active October 1, 2023 22:10
First things to do with a Raspberry Pi 4 (Raspbian Lite)

First things to do with a Raspberry Pi 4 (Raspbian Lite)

Initial Changes

  • Change User Password
  • Change Hostname
  • Enable SSH
  • Change Time-Zone
    sudo timedatectl
  • Memory Spit
    sudo raspi-config
@RomelSan
RomelSan / Powershell-Certificates-BRIEF.ps1
Last active May 2, 2024 02:43
Powershell Self Signed Certificate
#-------------------------------------------------------------------------------------
# Create Self signed root certificate
# -dnsname -DnsName domain.example.com,anothersubdomain.example.com
# -Subject "CN=Patti Fuller,OU=UserAccounts,DC=corp,DC=contoso,DC=com"
$cert = New-SelfSignedCertificate -Type Custom -KeySpec Signature `
-Subject "CN=P2SRootCert" `
-KeyExportPolicy Exportable `
-HashAlgorithm sha256 -KeyLength 4096 `
-CertStoreLocation "Cert:\CurrentUser\My" `
-KeyUsageProperty Sign `
@RomelSan
RomelSan / SMB Check v0.3.ps1
Last active October 25, 2018 15:09
This tool checks and enforces SMB v3 basic security
# SMB Check v0.3
# By Romel Vera (https://www.github.com/RomelSan)
# This tool checks and enforces SMB v3 basic security
# License: MIT
# Build: December 8, 2017
#===========================================================================
# Check Admin
#===========================================================================
function Test-IsAdmin {
@RomelSan
RomelSan / SMB Security v0.3.ps1
Last active December 9, 2017 00:03
SMB v3 basic security
# SMB Security v0.3
# By Romel Vera (https://www.github.com/RomelSan)
# Enforce SMB v3 basic security
# License: MIT
# Build: December 8, 2017
# Check SMB Server Configuration:
Get-SmbServerConfiguration |
select EnableSMB1Protocol, EnableSMB2Protocol, EncryptData, RejectUnencryptedAccess, RequireSecuritySignature
@RomelSan
RomelSan / keybase.md
Created February 23, 2017 22:48
Keybase

Keybase proof

I hereby claim:

  • I am romelsan on github.
  • I am romel (https://keybase.io/romel) on keybase.
  • I have a public key ASD7DbdEmxcIYcbwCQna5T58VtETEYd9ZAOfxzVwhvXeSAo

To claim this, I am signing this object: