Removing all installed OpenCV libs

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 …

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MySQL: How to reset or change the MySQL root password?

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 …

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Nginx: stat() failed (13: permission denied)

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 …

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