Linux Workshop

# Kernel-Parameter
cat /proc/cmdline                # Kernel-Boot-Parameter
sysctl -a                        # Alle Kernel-Parameter
cat /proc/sys/kernel/version     # Kernel-Build-Informationen

# Cgroups
cat /proc/cgroups                # Verfügbare Control Groups
mount | grep cgroup              # Cgroup-Mounts
ls /sys/fs/cgroup/               # Cgroup-Hierarchie

# Namespaces
ls /proc/*/ns/                   # Process-Namespaces
unshare --help                   # Namespace-Utilities

# Security-Informationen
cat /proc/keys                   # Kernel-Keyring
cat /proc/crypto                 # Verfügbare Krypto-Algorithmen
getenforce 2>/dev/null || echo "SELinux nicht verfügbar"  # SELinux-Status

# Capabilities
cat /proc/*/status | grep Cap    # Process-Capabilities

# Hardware-Sicherheitsfeatures
cat /proc/cpuinfo | grep flags | grep -E "(aes|rdrand|smep|smap)"
ls /sys/devices/system/cpu/vulnerabilities/  # CPU-Vulnerabilities

# Environment
cat /proc/*/environ              # Process-Environment-Variablen
env                              # Aktuelle Environment