Ubuntu

来源： https://stackoverflow.com/questions/62025830/ubuntu-terminal-i-cant-seem-to-launch-programs-from-my-terminal-anymore-i-use

来源： https://stackoverflow.com/questions/50315989/how-to-extract-rar-files-inside-google-colab

来源： https://stackoverflow.com/questions/62915668/how-to-run-multiple-shell-scripts-one-by-one-in-single-go-using-another-shell-sc

来源： https://stackoverflow.com/questions/31346696/cmake-non-existent-target-error-when-trying-to-build-opencv-3-world-module-on-ub

来源： https://stackoverflow.com/questions/49681271/why-testing-with-f-in-bash-returns-true-when-no-arguments-are-provided-to-the-t

问题 I'm trying to delete a db.sqlite file, create it again and then insert some info on this DB all in the same method, this is the method I'm using: public function destroy() { // Store all contents and delete the first one since this is created via seeder $contents = $this->contents->all()->toArray(); array_shift($contents); // Delete db file, creates it from an example file and changes permissions system('rm -rf ../database/database.sqlite'); system('cp ../database/database.sqlite.example ..

问题 When following the instructions 2. Getting Started — Python GTK+ 3 Tutorial 3.4 documentation Tries In [6]: import gi ...: gi.require_version('Gtk', '3.0') ...: from gi.repository import Gtk it report errors: ~/anaconda3/lib/python3.7/site-packages/gi/__init__.py in require_version(namespace, version) 128 available_versions = repository.enumerate_versions(namespace) 129 if not available_versions: --> 130 raise ValueError('Namespace %s not available' % namespace) 131 132 if version not in

问题 My Selenium headless tests are triggered from Jenkins server and run in EC2-Ubuntu. I want to view the test live on Chrome so I installed Xvfb plugin on Jenkins. On EC2 I installed Xvfb. When I start executing the build, my test starts execution and I see below logs: Xvfb /usr/bin/Xvfb :1 -fbdir /var/lib/jenkins/xvfb 27-..fbdir13700092919317283985 Parsing POMs Established TCP socket on 30810 and I see the test is running successfully. Now I do SSH to EC2 from Mac terminal by ssh -L 5901

问题 My Selenium headless tests are triggered from Jenkins server and run in EC2-Ubuntu. I want to view the test live on Chrome so I installed Xvfb plugin on Jenkins. On EC2 I installed Xvfb. When I start executing the build, my test starts execution and I see below logs: Xvfb /usr/bin/Xvfb :1 -fbdir /var/lib/jenkins/xvfb 27-..fbdir13700092919317283985 Parsing POMs Established TCP socket on 30810 and I see the test is running successfully. Now I do SSH to EC2 from Mac terminal by ssh -L 5901

问题 This question is different from the following questions: Docker: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock Because they didn't consider jenkins to be installed as docker container, here I don't have jenkins user to give that user access to this file. And also from this one docker.sock permission denied Because I don't know which user I got this error for, Here the user root has access to this file but the error happened again.