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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
•
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...
Andrew Fletcher
•
Recently I came across this piece of gold when dealing with databases, particularly relational ones like MySQL, managing transactions efficiently is crucial to ensure data integrity and consistency. In MySQL, transactions are used to group several SQL commands into a single unit that either completely succeeds or completely fails, ensuring that a database remains in a consistent state.
Managing transactions efficiently in databases like MySQL is crucial for ensuring data integrity and...
Andrew Fletcher
•
A growing list of commands I've used and what they do in no specific order
sudo...
Andrew Fletcher
•
When executing the following command, the response I'm getting is
npm ERR! code...
Andrew Fletcher
•
To resolve the CVE-2022-48624 vulnerability on Ubuntu using Nginx, it's crucial...
Andrew Fletcher
•
In many terminal text editors, you use find command as reference in Terminal...
Andrew Fletcher
•
In an environment that is running
Ubuntu 20.02
Nginx
Solr
The default Nginx conf is located /etc/nginx/sites-available/ and contains something similar to:
server {
listen 80;
listen [::]:80;
server_name uat.oursite.com;
return 301 http://uat.oursite.com$request_uri;
}
server {
listen 80;
listen [::]:80;
listen 443 ssl;
ssl_certificate /etc/ssl/certs/Bundle.crt;
ssl_certificate_key /etc/ssl/private/MultidomainWildcard.key;
# Security...
Andrew Fletcher
•
You can perform the following steps:
Check Apache Modules
Apache Struts 2 is...
Andrew Fletcher
•
These steps are for Drupal 8 and 9.
Export your database
Order here is...
Andrew Fletcher
•
To use OpenAI to summarise text from a PDF using Python 3.11.6, you'll first...
Andrew Fletcher
•
Permission error
Traceback (most recent call last):
File...