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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
•
A growing list of commands I've used and what they do in no specific order
sudo...
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
•
In many terminal text editors, you use find command as reference in Terminal commands - find. How about find and replace. This action depends on the specific text editor you're using in the terminal. Here are a few common terminal text editors and how you can find and replace strings within them:
Vim
To find: Press / followed by the search term and then Enter.
/To replace: You can use the substitute command. For example, to replace "old" with "new" globally in the file, you can...
Andrew Fletcher
•
In our projects, team members frequently generate new Git branches linked to the...
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
•
To use OpenAI to summarise text from a PDF using Python 3.11.6, you'll first...
Andrew Fletcher
•
How to generate a new private key and submit it to Google Play for signing your Android app, you can follow these steps:
Generate a New Keystore (Private Key)
You can generate a new keystore file (which includes the private key) using the keytool utility that comes with the Java Development Kit (JDK). Open a command prompt or terminal and run the following command to generate a new keystore:
keytool -genkeypair -v -keystore your-keystore-name.keystore -keyalg RSA -keysize 2048 -validity 10000...
Andrew Fletcher
•
Permission error
Traceback (most recent call last):
File...
Andrew Fletcher
•
To set an environment variable on Ubuntu, can be achieved via a few options....
Andrew Fletcher
•
Whilst installing Python 3.11.6 and running the command 'sudo make altinstall',...
Andrew Fletcher
•
Ubuntu 20.04 comes with Python 3.8 installed. If you run the update...