SSL Certificate expired, site not opening
1.0 ERROR A website stopped opening in browser, giving the error that the SSL certificate was either invalid or had expired. 2. SOLUTION Checking the website with wget, $ wget…
1.0 ERROR A website stopped opening in browser, giving the error that the SSL certificate was either invalid or had expired. 2. SOLUTION Checking the website with wget, $ wget…
1.0 Exif metadata not preserved by image editing program Problem: After an image is developed and edited by image editing software and saved in a format like JPEG, it does…
1.0 Adding the IPTC metadata After a photograph has been taken and processed, it might be necessary to add IPTC metadata before it can be published. If your image editing…
1.0 π While using bc for calculations, the value of π is sometimes required. Sure, you might remember it as 3.1416, but it is better to use a higher precision…
1.0 Error While executing the dig command, the sendmsg() failed: Operation not permitted error was printed. $ dig example.com ../../../../lib/isc/unix/net.c:581: sendmsg() failed: Operation not permitted ../../../../lib/isc/unix/net.c:581: sendmsg() failed: Operation not…
1.0 Introduction Given an nginx web server log file, we might like to know who are the visitors to our website. One can go line by line through the log…
1.0 Error A signed APK of an Android app was built using the Android Studio. When we tried to download the signed APK to a device using the adb command,…
1.0 Error While trying to open sitemap.xml of a site served by nginx and built using Drupal CMS, the 404 Not Found error was received. The nginx log file, error.log…
1.0 Error While running optipng on a png file, the following error was obtained, Error: Can't back up the existing output file 2.0 Solution The file was not having the…