Mini Shell

[Unit]
Description=Low Memory Monitor
ConditionPathExists=/proc/pressure
After=sysinit.target

[Service]
ExecStart=/usr/libexec/low-memory-monitor
Restart=on-failure
#Uncomment this to enable debug
#Environment="G_MESSAGES_DEBUG=all"

CPUSchedulingPolicy=fifo
CPUSchedulingPriority=1

# Filesystem lockdown
ProtectSystem=strict
PrivateDevices=true
ProtectControlGroups=true
ProtectHome=true
PrivateTmp=true

# Network
PrivateNetwork=true
RestrictAddressFamilies=AF_UNIX AF_LOCAL AF_NETLINK

# Execute Mappings
MemoryDenyWriteExecute=true

# Modules
ProtectKernelModules=true

# Real-time
RestrictRealtime=true

# Privilege escalation
NoNewPrivileges=true

[Install]
WantedBy=basic.target