nginx 502 Bad Gateway
1.0 502 Bad Gateway After the update of Linux on the web server, the website would not open in the browser. Instead the following error was displayed. 502 Bad Gateway…
1.0 502 Bad Gateway After the update of Linux on the web server, the website would not open in the browser. Instead the following error was displayed. 502 Bad Gateway…
1.0 Error While running Ubuntu 18.04.1 on a laptop, the following errors were observed. mce: hardware error cpu 0 machine check 0 bank 6 ae0000000040110a mce: hardware error tsc 0…
1.0 Error While configuring a Linux server, the error Failed to fetch webpage, temporary failure resolving domain was observed. $ sudo apt-get update Err:1 ... bionic InRelease Temporary failure resolving…
1.0 Error After updating the Drupal 7 version in a website, the following error was observed in the configuration of the Composer Manager module. Composer Manager: Composer's install command must…
1.0 Error After updating the website to a new version of Drupal 7, the following error was printed on the web pages. Notice: Trying to get property of non-object in…
1.0 Error: While configuring the Dovecot Mail Delivery Agent, the Dovecot server would not start and the following error messages were printed. $ sudo systemctl start dovecot Job for dovecot.service…
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 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…