Since version 5.0.16, virtualbox-host-modules-arch and virtualbox-host-dkms use systemd-modules-load.service to load all four VirtualBox modules at boot time. To load the module manually, run: modprobe vboxdrv https://wiki.archlinux.org/index.php/VirtualBox#Load_the_VirtualBox_kernel_modules
This is a linker issue. Try: g++ -o test_1 test_1.cpp `pkg-config opencv –cflags –libs` This should work to compile the source. However, if you recently compiled OpenCV from source, you will meet linking issue in run-time, the library will not be found. In most cases, after compiling libraries from source, you need to do finally: … Read more
run npm rebuild node-sass or run sudo npm rebuild node-sass
Tested on Ubuntu Server 10.04. I hope it helps you also on Arch Linux. In PHP use shell_exec function: Execute command via shell and return the complete output as a string. It returns the output from the executed command or NULL if an error occurred or the command produces no output. <?php $command = escapeshellcmd(‘/usr/custom/test.py’); … Read more