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Andrew Fletcher
Managing files on a server often includes tasks like clearing logs or resetting configuration files. If you need to empty a file without deleting it, there are several quick and efficient methods to achieve this. Recently, during a review of log files, I noticed an unusually large file: access_ssl_log.processed, which was a substantial 8.77 GB. After reviewing and backing up the data, I needed to empty the file to free up space and maintain server performance. -rw-r--r-- 2 root root 667816325...
Andrew Fletcher
When managing a server or developing applications, particularly on an Ubuntu...
Andrew Fletcher
To review the content of files being generated in the /tmp directory on an...
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
  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 to understand that the issue lies within the "less" package, not Nginx itself. The vulnerability affects "less" before version 606, where close_altfile in filename.c in less omits shell_quote calls for LESSCLOSE, potentially allowing shell command injection. The current less version is 551, which is vulnerable. You'll need to upgrade "less" to a version at or beyond 606. CVE-2022-48624 close_altfile in filename.c in...
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...
Andrew Fletcher
You can use the pip list --outdated command to view a list of installed Python...
Andrew Fletcher
In an environment that is running Ubuntu 20.02 Nginx Solr   The default...