Firstly, please ask programming questions on Stackoverflow unless they are specific to Unix/Linux shell programming. Python doesn’t execute main (or any other) function by default.You can either just do: or if you want to keep the function, but call it when the script is run: The second method should be used if you are going to import … Read more
Try this, after editing your file, quit with this command: wq!. the ! means force the process, and when you combine it with wq that means force to save and quit.
By default, when building OpenCV from source, it will place it’s output in /usr/local/lib and /usr/local/bin. Although, judging from your error messages, it looks like it placed the libraries in /usr/lib and the binaries in /usr/bin, so you might also check in there. You can also use the Linux find command. So, to find all … Read more
Set / change / reset the MySQL root password on Ubuntu Linux. Enter the following lines in your terminal. Stop the MySQL Server: sudo /etc/init.d/mysql stop Start the mysqld configuration: sudo mysqld –skip-grant-tables & In some cases, you’ve to create the /var/run/mysqld first: Login to MySQL as root: mysql -u root mysql Replace YOURNEWPASSWORD with … Read more
You need to fetch pypi over HTTPS, not HTTP. For some reason your pip is configured to retrieve from http://pypi.python.org/simple/ rather than https://pypi.python.org/simple/
Nginx operates within the directory, so if you can’t cd to that directory from the nginx user then it will fail (as does the stat command in your log). Make sure the www-user can cd all the way to the /username/test/static. You can confirm that the stat will fail or succeed by running In your … Read more
sudo apt install texlive-latex-base seems to install pdflatex.
Make sure when executing Michael Krelin’s solution you do the following Note that without the double >> the existing contents of authorized_keys will be over-written (nuked!) and that may not be desirable.
Looking at the requirement you have, the below command shall help:
You can use apt-get command (requires sudo) Or you can call find packages you need and install them using the apt-get command.