The “Couldn’t grab mutex” error in Apache2 occurs when there is an issue related to file locking. This problem is often encountered when using Certbot and SSL certificates on Linux Ubuntu or Linux Mint. In this guide, we will focus on a solution to resolve this error.
Apache is a widely used...
By executing ESLINT in a JavaScript code, Nodejs or Expressjs, we can find the error “unexpected string concatenation” or “Unexpeted String Concatenation”.
This lint points to a possible code that manipulates string concatenation, which was written in order to result in a difficult reading....
We can say that HTTP network protocol highway that sustains all the communication and operation of web systems and the communication of APIs REST or SOAP between mobile applications and backend servers.
In other words:
Virtually all information on the Internet travels using the HTTP communication protocol
Mazer...