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Basic Linux Commands

2023-07-31/0 Comments/in Linux/by Kellep Charles

List of Basic Linux Commands

Top 5 Open Source Vulnerability Security Scanning Tools

2023-04-21/0 Comments/in General Security, Top 5/by Kellep Charles

Nmap: Nmap is a powerful open source network exploration and security auditing tool that can help identify vulnerabilities in a system. It is widely used for port scanning, version detection, and network mapping. Nmap can also be used for vulnerability scanning by detecting known vulnerabilities in software and services running on a system. OpenVAS: OpenVAS […]

Basic Linux Commands

2023-07-31/0 Comments/in Linux/by Kellep Charles

List of Basic Linux Commands

Top 5 Open Source Vulnerability Security Scanning Tools

2023-04-21/0 Comments/in General Security, Top 5/by Kellep Charles

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Basic Linux Commands

2023-07-31/0 Comments/in Linux/by Kellep Charles

ls – List files and directories in the current directory. Example: ls Explanation: This command will display a list of files and directories in the current location.
pwd – Print working directory. Example: pwd Explanation: This command shows the path of the current directory you are in.
cd – Change directory. Example: cd /home/user/documents Explanation: This command changes the current directory to “/home/user/documents”.
mkdir – Make directory. Example: mkdir new_folder Explanation: This command creates a new directory named “new_folder” in the current directory.
rmdir – Remove directory. Example: rmdir empty_folder Explanation: This command deletes an empty directory named “empty_folder” from the current directory.
cp – Copy files or directories. Example: cp file.txt /path/to/destination Explanation: This command copies “file.txt” to the specified destination path.
mv – Move or rename files or directories. Example 1: mv file.txt /path/to/destination Explanation 1: This command moves “file.txt” to the specified destination path. Example 2: mv old_file.txt new_file.txt Explanation 2: This command renames “old_file.txt” to “new_file.txt”.
rm – Remove files or directories. Example 1: rm file.txt Explanation 1: This command deletes the file named “file.txt”. Example 2: rm -r folder Explanation 2: This command deletes the “folder” directory and all its contents recursively.
touch – Create an empty file or update the file’s timestamp. Example 1: touch new_file.txt Explanation 1: This command creates a new empty file named “new_file.txt”. Example 2: touch existing_file.txt Explanation 2: This command updates the timestamp of the “existing_file.txt” without changing its content.
cat – Concatenate and display the content of files. Example: cat file.txt Explanation: This command displays the content of “file.txt” on the terminal.
more / less – Display the content of files page by page. Example: less large_file.txt Explanation: This command allows you to view the content of “large_file.txt” page by page, making it easier to read large files.
head – Display the beginning of a file. Example: head file.txt Explanation: This command shows the first few lines of “file.txt”.
tail – Display the end of a file. Example: tail file.txt Explanation: This command shows the last few lines of “file.txt”.
grep – Search for a pattern in files. Example: grep "keyword" file.txt Explanation: This command searches for the word “keyword” in “file.txt” and displays matching lines.
echo – Print a message or value to the terminal. Example: echo "Hello, World!" Explanation: This command prints the message “Hello, World!” to the terminal.
chmod – Change file permissions. Example: chmod +x script.sh Explanation: This command adds the executable permission to “script.sh”, allowing it to be run as a script.
chown – Change file ownership. Example: chown user:group file.txt Explanation: This command changes the owner and group of “file.txt” to the specified user and group.
ps – Display the currently running processes. Example: ps aux Explanation: This command shows a list of all running processes on the system along with additional details.
kill – Terminate a process. Example: kill PID Explanation: This command sends a termination signal to the process with the specified PID (Process ID).
top – Display dynamic real-time information about running processes. Example: top Explanation: This command provides a live view of the system’s processes, updating regularly.

These are just some of the most basic Linux commands. The Linux command line offers a plethora of powerful utilities and options to explore and master.

Top 5 Open Source Vulnerability Security Scanning Tools

2023-04-21/0 Comments/in General Security, Top 5/by Kellep Charles

Nmap: Nmap is a powerful open source network exploration and security auditing tool that can help identify vulnerabilities in a system. It is widely used for port scanning, version detection, and network mapping. Nmap can also be used for vulnerability scanning by detecting known vulnerabilities in software and services running on a system.
OpenVAS: OpenVAS is an open source vulnerability scanner that can be used to scan for known vulnerabilities in software and services on a network. It is a powerful tool that can perform comprehensive scans of networks, identify vulnerabilities, and generate reports.
Metasploit Framework: Metasploit is a popular open source penetration testing framework that can be used to identify and exploit vulnerabilities in systems. It can also be used for vulnerability scanning by running exploit modules that detect known vulnerabilities in software and services.
Nikto: Nikto is an open source web server scanner that can be used to identify vulnerabilities in web servers and web applications. It can perform comprehensive scans of web servers, identify vulnerabilities, and generate reports.
Lynis: Lynis is an open source security auditing tool that can be used to scan for security vulnerabilities in Linux and Unix systems. It can identify vulnerabilities in the system configuration, installed software, and system security settings. Lynis is lightweight and easy to use, making it a popular choice for security professionals.

These tools are popular among security professionals because they are open source, free to use, and can be customized to meet specific security needs. They are also regularly updated by their communities, which ensures that they are kept up-to-date with the latest threats and vulnerabilities. Additionally, they are user-friendly and come with detailed documentation and tutorials, making them accessible even to non-experts.