I am using NetBeans IDE for wireguard project. Here's error I am getting in output. cd '/home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src' /usr/bin/make -f Makefile /usr/bin/make -C /lib/modules/4.4.0-83-generic/build M=/home/sahilgupta221/ Downloads/WireGuard-0.0.20170706/src modules make[1]: Entering directory '/usr/src/linux-headers-4.4.0-83-generic' CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/main.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/noise.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/device.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/peer.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/timers.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/data.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/send.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/receive.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/socket.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/config.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/hashtables.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/routingtable.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/ratelimiter.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/cookie.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/crypto/ curve25519.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/crypto/ chacha20poly1305.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/crypto/blake2s.o AS [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/crypto/chacha20-ssse3-x86_64.o AS [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/crypto/poly1305-sse2-x86_64.o AS [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/crypto/blake2s-avx-x86_64.o AS [M] /home/sahilgupta221/Downloads/WireGuard-0.0.20170706/src/crypto/ curve25519-avx-x86_64.o AS [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/crypto/chacha20-avx2-x86_64.o AS [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/crypto/poly1305-avx2-x86_64.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/compat/siphash/siphash.o CC [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/compat/dst_cache/dst_cache.o LD [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/wireguard.o Building modules, stage 2. MODPOST 1 modules CC /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/wireguard.mod.o LD [M] /home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/wireguard.ko make[1]: Leaving directory '/usr/src/linux-headers-4.4.0-83-generic' /usr/bin/make -C tools make[1]: Entering directory '/home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/tools' cc -O3 -std=gnu11 -D_GNU_SOURCE -Wall -Wextra -MMD -MP -DRUNSTATEDIR="\"/var/run\"" -c -o wg.o wg.c cc -O3 -std=gnu11 -D_GNU_SOURCE -Wall -Wextra -MMD -MP -DRUNSTATEDIR="\"/var/run\"" -c -o show.o show.c cc -O3 -std=gnu11 -D_GNU_SOURCE -Wall -Wextra -MMD -MP -DRUNSTATEDIR="\"/var/run\"" -c -o config.o config.c cc -O3 -std=gnu11 -D_GNU_SOURCE -Wall -Wextra -MMD -MP -DRUNSTATEDIR="\"/var/run\"" -c -o terminal.o terminal.c cc -O3 -std=gnu11 -D_GNU_SOURCE -Wall -Wextra -MMD -MP -DRUNSTATEDIR="\"/var/run\"" -c -o ipc.o ipc.c ipc.c:4:27: fatal error: libmnl/libmnl.h: No such file or directory compilation terminated. : recipe for target 'ipc.o' failed make[1]: *** [ipc.o] Error 1 make[1]: Leaving directory '/home/sahilgupta221/Downloads/WireGuard-0.0. 20170706/src/tools' Makefile:57: recipe for target 'tools' failed make: *** [tools] Error 2 BUILD FAILED (exit value 2, total time: 22s) Any help? Regards Sahil Gupta