CodeSnips

python

import os
import stat

for root, _dirs, files in os.walk('/etc'):
    for name in files:
        path = os.path.join(root, name)

Python security audit script for exposed risky filesystem state

python auditing host-security

by Kai Nakamura 1 tab

plaintext

Protocol 2
PermitRootLogin no
PasswordAuthentication no
KbdInteractiveAuthentication no
PubkeyAuthentication yes
AllowUsers deploy ops

SSH daemon hardening and key based access only

ssh linux hardening

by Kai Nakamura 1 tab

bash

#!/usr/bin/env bash
set -euo pipefail

find / -perm -4000 -type f 2>/dev/null | sort
sudo -l
find /etc/systemd/system -type f -writable 2>/dev/null

Linux privilege escalation checks for suspicious local state

privilege-escalation linux auditing

by Kai Nakamura 1 tab

bash

#!/usr/bin/env bash
set -euo pipefail

OUT="/tmp/incident-$(date +%Y%m%d-%H%M%S)"
mkdir -p "$OUT"

Forensic collection script for volatile host evidence

forensics incident-response linux

by Kai Nakamura 1 tab

bash

#!/bin/bash
set -euo pipefail

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'

Shell scripting for DevOps automation

bash shell-scripting devops

by Ryan Nakamura 1 tab

bash

#!/bin/bash
# Linux system administration commands

# === Process Management ===
ps aux                                # All processes
ps aux | grep nginx                   # Find specific process

Linux system administration essentials for DevOps

linux sysadmin devops

by Ryan Nakamura 1 tab

plaintext

table inet filter {
  chain input {
    type filter hook input priority 0;
    policy drop;

    ct state established,related accept

Host firewall rules with nftables for default deny networking

nftables firewall linux

by Kai Nakamura 1 tab