Create swap file linux

Allocate 2G swap file, set permissions, format and enable

fallocate -l 2G /swapfile && chmod 600 /swapfile && mkswap /swapfile && swapon /swapfile

#linux #disk #memory

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Show swap usage swapon --show && free -h Show all IP addresses ip -br a Show routing table ip route show table all Add static route ip route add 10.0.0.0/8 via 192.168.1.1 dev eth0 Show ARP/NDP table ip neigh show