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Andrew Fletcher
When managing a server or developing applications, particularly on an Ubuntu system running Nginx, it's often necessary to verify the existence of files. This is crucial for tasks like deploying new versions, checking configuration files, or ensuring that required assets are in place. In this article, we'll explore how to use command-line queries to check if a file exists, highlighting various options and methods you can use.   Basic File Check with test Command The test command is a simple...
Andrew Fletcher
To review the content of files being generated in the /tmp directory on an...
Andrew Fletcher
The issue – I have a content type that includes an entity reference revisions...
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 trends is crucial for maintaining system health and performance. While tools like htop offer real-time insights into memory usage, they lack the capability to provide historical data. So, what if you need to analyze memory usage over the past 24 hours or even a week? Fear not, as Sysstat comes to the rescue with its powerful sar command.   Installing Sysstat Before delving into historical 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...
Andrew Fletcher
When Solr is displaying results on the site, first step is to log in the server...
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 (disk usage) command. The syntax for this command can vary slightly depending on the operating system you are using, but a common way to use it is as follows:   For Linux and macOS du -sh /path/to/directory du Disk usage -s Summarise the total size of the directory and do not include the size of each individual file within the directory -h Human-readable format, making the size easier to understand (e.g.,...
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
In Twig, the {% extends %} tag is used to inherit and extend the contents of...
Andrew Fletcher
You can perform the following steps: Check Apache Modules Apache Struts 2 is...