Resolution of the error, Failed to fetch webpage, Temporary failure resolving domain.
Resolution of a Composer Manager error,
Composer's install command must be runin a Drupal 7 website.
Resolution of the error
Notice: Trying to get property of non-object in block_block_view()in a Drupal 7 based website.
Resolution of the error of nginx web server not executing PHP code in HTML files.
Resolution of the problem of a website not opening in the browser as its SSL certificate had expired.
Solution to the problem of Exif data not written by image editing programs is given.
Usage of exiv2 command to read and write IPTC metadata in image files is explained with an example.
The way to get the value of π in expressions in the bc calculator program is explained.
sendmsg() failed: Operation not permittederror in dig command output.
A Perl script for generating the report of the most frequent visitors to a website from the nginx log file is given.
Resolution of the APK install error, INSTALL_PARSE_FAILED_NO_CERTIFICATES.
Resolution of a 404 Not Found error for sitemap of a site built using Drupal CMS and served by nginx webserver.
Solution to an error faced while running optipng.
The process for getting a project from GitHub is explained.
Solution to error,
Failed to send 300 byte long packet over fallback interface, while starting a service.