Cybersec Audit

Round 1 - System Overview

echo "HOST"
hostnamectl
 
echo "OS RELEASE"
cat /etc/os-release
 
echo "KERNEL"
uname -a
 
echo "UPTIME"
uptime
 
echo "DATE"
date
 
echo "DISK"
df -h
 
echo "MEMORY"
free -h
 
echo "CPU"
lscpu
 
echo "INSTALLED KERNELS"
dpkg -l | grep linux-image
 
echo "PENDING UPDATES"
apt list --upgradable
 
echo "REBOOT REQUIRED"
if \[ -f /var/run/reboot-required \]; then
    cat /var/run/reboot-required
else
    echo "No reboot required."
fi
 
echo "LOGGED IN USERS"
who
 
echo "LAST LOGINS"
last -n 20
 
echo "FAILED LOGIN ATTEMPTS"
lastb -n 20
 
echo "SYSTEM LOAD"
cat /proc/loadavg