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5 min readTo check if a file is a text file in Linux, you can use the file command along with additional options. Here are the steps:Open the terminal on your Linux system. Use the following command syntax: file [OPTIONS] filename Replace [OPTIONS] with any additional options you want to include while checking the file, and replace filename with the name or path of the file you want to check. Here are some commonly used options with the file command: -i: Provides MIME type output for the file.
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9 min readTo enable dump_stack() in the Linux kernel, you need to follow the steps below:Open the kernel configuration file. The location of this file may vary depending on your Linux distribution, but it is commonly found at /usr/src/linux/.config or /boot/config-. Locate the CONFIG_PROC_FS configuration option and ensure it is uncommented. This option enables support for the /proc filesystem, which is required for dump_stack().
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9 min readTo execute a shell script on Linux, you need to follow these steps:Open a terminal: Launch the terminal application on your Linux system. You can usually find it in the applications menu or by using the keyboard shortcut Ctrl+Alt+T. Navigate to the script's location: Use the cd command to navigate to the directory where the shell script is located. For example, if the script is in your home directory, you can type cd ~ to go there.
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13 min readTo effectively downgrade Python on Linux, you can follow these steps:Before proceeding, make sure to back up any essential files or projects that rely on the current version of Python. Determine which version of Python you want to downgrade to. Identify the specific version number you want to install (e.g., Python 3.7.9). Open a terminal or command prompt on your Linux system.
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7 min readTo delete files with a specific pattern in Linux, you need to use the "rm" command along with the appropriate options. Here's how you can do it:Open the terminal on your Linux system.Use the "cd" command to navigate to the directory where the files are located. For example, if the files are in the "Documents" folder, use "cd Documents" to change the directory.
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5 min readTo install Python on Alpine Linux, follow these steps:Launch the terminal or connect via SSH to your Alpine Linux instance.Update the package index by running the command: apk update Install the Python package by executing the following command: apk add python3 This will install the Python interpreter along with some essential packages.To verify the installation, run the following command: python3 --version This will display the installed Python version on your system.
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10 min readCron is a time-based job scheduler in Linux operating systems that allows you to automate the execution of tasks at specific intervals. Here's how you can schedule cron jobs in Linux:Open a terminal or SSH into your Linux server. Type crontab -e to edit the cron table for the current user. If prompted to choose an editor, select your preferred one.
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5 min readIn Golang, iterating through a string involves accessing each character of the string one by one. Here's how you can do it:To start, you need to import the strings package. import ( "strings" ) Create a variable of type string and assign the string you want to iterate through. str := "Hello, World!" Use the len() function to find the length of the string. strLength := len(str) Iterate through the string by using a for loop and the strings.
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5 min readThe MariaDB password on Linux is typically stored in the MariaDB configuration file, which is usually located at /etc/mysql/mariadb.conf.d/50-server.cnf or /etc/mysql/my.cnf. Within this configuration file, you will find a section called [client], where the password is stored under the parameter "password". However, it is important to note that the actual password is encrypted and not visible in plain text.
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6 min readIn Go, passing a map as a parameter to a function is quite simple. You can include the map as an argument in the function declaration and use it within the function's body. Here is an example of how to pass a map as a parameter in Go: func myFunction(myMap map[string]int) { // Access and interact with the map here // ... } In this example, myFunction is declared with a single parameter myMap, which is a map of string keys and integer values (map[string]int).
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9 min readTo check if a file exists on a remote Linux system, you can use several command-line tools such as ssh, scp, and sshpass. Here's a step-by-step guide:Open the terminal on your local Linux machine.Use the ssh command to connect to the remote Linux system. Replace user with your remote username and remote_ip_address with the IP address or hostname of the remote system. ssh user@remote_ip_address Enter the password associated with your remote account when prompted.