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Codebales holds an ever growing number of solutions to problems that we have experienced in our day to day code writing
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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
•
A growing list of commands I've used and what they do in no specific order
sudo snap install bw
ps aux | grep java
whoami
ip addr show
uptime
sudo apt update && sudo apt upgrade -y
cat /etc/os-release
sudo apt-get install needrestart
sudo reboot
sudo needrestart
sudo ckan sysadmin add {name}
sudo ckan sysadmin list
sudo ckan user list
sudo ckan --config /etc/ckan/default/ckan.ini config validate
hstr
sudo nano /etc/ckan/default/ckan.ini
exit
Here's a breakdown of what each of these...
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...
Andrew Fletcher
•
You can perform the following steps:
Check Apache Modules
Apache Struts 2 is...
Andrew Fletcher
•
The viewport meta tag in a website's HTML is used to control how the webpage is displayed on a mobile device or in a web browser. It defines the viewport's behaviour and dimensions. The viewport meta tag helps create a responsive and mobile-friendly design by adjusting the layout and scaling to fit various screen sizes and orientations, particularly on mobile devices. It helps ensure that text is displayed at a readable and consistent size across different devices and screen...
Andrew Fletcher
•
If the Android app icon is not changing from the default icon (in my situation...
Andrew Fletcher
•
To use OpenAI to summarise text from a PDF using Python 3.11.6, you'll first...
Andrew Fletcher
•
I'm receiving an issue with a previous release on Google...
Andrew Fletcher
•
The "keystore password was incorrect" error in keytool indicates that the...