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.
Resolution of the error Dovecot: imap Error: open (/var/mail/username) failed observed on a Postfix mail server site.
How to access files on an Android device from Nautilus file manager in Linux is explained.
Recaptcha: ERROR for site owner, Invalid domain for site key
Resolution of the debug connection between host and Android device after getting the ADB log error
AdbCommandRejectedException getting properties for device.
Solution to the error while loading shared libraries, libz.so.1, while building a project in Android Studio is listed.