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Andrew Fletcher
Recently, after upgrading to Ubuntu 24.04, we encountered a significant challenge with our Apache Solr service—it refused to restart. This post documents the steps I took to diagnose and resolve the issues, providing a clear guide for anyone facing similar troubles.   Initial troubleshooting The journey began with a simple command to check the status of our Solr service: sudo service solr statusThe response indicated that the service had failed: × solr.service - LSB: Controls Apache Solr as...
Andrew Fletcher
When Solr is displaying results on the site, first step is to log in the server...
Andrew Fletcher
On a server directory with over 100,000 PDF files, I needed to verify the...
Andrew Fletcher
Recently, I encountered an issue where my local Docker environment refused to...
Andrew Fletcher
Managing files on a server often includes tasks like clearing logs or resetting...
Andrew Fletcher
To review the content of files being generated in the /tmp directory on an Ubuntu server before Microsoft Defender removes them, you can use several approaches.  Following is the approach we took.   Real-Time Monitoring You can set up a script to monitor the /tmp directory and log the contents of new files. Use inotifywait to watch for new files and then copy them to another directory for review. Install inotify-tools: sudo apt-get install inotify-toolsCreate a monitoring...
Andrew Fletcher
Managing large directories, especially those filled with a diverse mix of media...
Andrew Fletcher
Recently I came across this piece of gold when dealing with databases,...
Andrew Fletcher
In the realm of system administration and monitoring, understanding memory usage...
Andrew Fletcher
A growing list of commands I've used and what they do in no specific order sudo...
Andrew Fletcher
The red flag was when I saw the server disk space is showing a site is taking up 57992.5 MB, where locally the site size is showing 957MB.  There is something serious happening here and I need to establish the problem quickly.  When dealing with a significant discrepancy in site size between a local environment and a server, it's important to identify the root cause of the larger disk usage on the server.    Approaches for discovering the issue(s)   1. Analyse Large...
Andrew Fletcher
  Continuing on from the Drupal 9 to Drupal 10 upgrade outline written...
Andrew Fletcher
To resolve the CVE-2022-48624 vulnerability on Ubuntu using Nginx, it's crucial...
Andrew Fletcher
To determine the size of a directory using the terminal, you can use the du...
Andrew Fletcher
In many terminal text editors, you use find command as reference in Terminal...