See the explanation below
Explanation:
yum install httpd
systemct1 --now enable httpd
systemct1 status httpd
netstat -tunlp | grep 80
pkill <processname>
systemct1 restart httpd
systemct1 status httpd

The file command is used to determine the type of a file by examining its contents. It can recognize many different formats, such as text, binary, executable, compressed, image, audio, video, etc. It can also display some additional information about the file, such as encoding, size, dimensions, etc12 References: 1: file(1) - Linux manual page 2: How to use the file command in Linux

Explanation
The server's firewall is preventing connections from being made, which is causing the connectivity issue. The output of iptables -L -n shows that the firewall is blocking all incoming traffic on port 22, which is the default port for SSH. The output of ssh -v [email protected] shows that the connection is refused by the server. To resolve the issue, the administrator needs to allow port 22 on the firewall. The other options are incorrect because they are not supported by the outputs. The workstation has the correct IP settings, as shown by the output of ip addr show. The sshd service is enabled and running, as shown by the output of systemctl status sshd. The server has the correct default gateway configuration, as shown by the output of ip route show. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 13: Managing Network Services, pages 406-407.

On RPM-based systems like Red Hat or CentOS, repository configuration is handled via yum or dnf. The main configuration file is /etc/yum.conf, while individual repository files are stored in /etc/yum.repos.d/.
These files dictate where packages are fetched from.

After fixing issues in the code, the next step is to merge these changes into the main branch. This is typically done by creating a pull request78.
Reference:
7(https://zeet.co/blog/deploy-to-production)
8(https://stackoverflow.com/questions/11833511/git-deploy-to-production)