In Python, you can convert a string to an integer using the int() function. Here is an example: string_num = “123” int_num = int(string_num) print(int_num) Output: 123 You can also use the float() function to convert a string to a floating-point number. string_num = “12.3” float_num = float(string_num) print(float_num) Output: 12.3 If the string is … Read more

There are several ways to run a script in Linux, depending on the type of script and the desired execution environment. Here are a few examples: To run a shell script, you can make the script executable by running chmod +x script_name.sh and then execute the script by running ./script_name.sh. To run a Python script, … Read more

A for loop in Python is used to iterate over a sequence (such as a list, tuple, or string) and execute a block of code for each item in the sequence. Here are some examples of using a for loop in Python: Iterating over a list: fruits = [“apple”, “banana”, “cherry”] for fruit in fruits: … Read more

manager of your Linux distribution. Here are the steps to install the latest version of Python on Linux 2.x/3.x: Update your package manager by running the command sudo apt-get update (on Ubuntu or Debian) or sudo yum update (on Red Hat or Fedora). Install the latest version of Python by running the command sudo apt-get … Read more

The “network.c:483: error: ‘EC_KEY’ undeclared” error is caused by a missing library or header file that is necessary for the Lighttpd web server to function properly. To resolve this issue, you will need to install the OpenSSL library and its development headers on your system. On Ubuntu or Debian systems, you can install the necessary … Read more

If you are experiencing errors with a high-speed USB device on a Linux system and are seeing messages related to the ehci_hcd driver, you may need to reset the device. One way to reset a USB device is to use the lsusb command to identify the device and then use the ehci_hcd driver to reset … Read more

To download a file using curl on the Linux/Unix command line, you can use the following syntax: curl -O <URL> For example, to download a file named “example.txt” from “http://example.com/example.txt“, you would use the command: curl -O http://example.com/example.txt This will download the file and save it to the current working directory with the same name … Read more

To use the nmap command to scan a single IP address or host, you can use the following syntax: nmap <IP address or hostname> For example, to scan the IP address 192.168.1.1, you would use the command: nmap 192.168.1.1 Or to scan a hostname, for example, “example.com”, you would use the command: nmap example.com The … Read more

There are several ways to shut down a Linux server, depending on the type of system you are using. Here are a few common methods: Using the shutdown command: This command can be used to shut down a system at a specified time or after a specified delay. For example, to shut down the system … Read more

To remove the route for the subnet 169.254.0.0/255.255.0.0 from a CentOS or Red Hat Enterprise Linux system, you can use the route command. Run the command route -n to view the current routing table. This will show all the routes that are currently configured on the system. To remove the specific route, use the command … Read more