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8 min readTo install Lua modules on Linux, you can follow these steps:Firstly, make sure you have Lua and LuaRocks (Lua package manager) installed on your Linux machine. If not, you can install them using your distribution's package manager. Open a terminal and run the following command to update your package manager: sudo apt-get update Next, install LuaRocks by running the following command: sudo apt-get install luarocks Once LuaRocks is installed, you can use it to install Lua modules.
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7 min readTo delete 1 day old files in Linux, you can use the find command along with the -mtime option. Here's how:Open a terminal.Navigate to the directory where you want to delete the files or specify the path in the command (replace "directory_path" with the actual path). cd directory_path Then, use the following command to find and delete files that are 1 day old or older: find . -type f -mtime +0 -delete Let's break down the command:find - the command used to search for files..
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12 min readTo install another version of Python on Linux, you can follow these steps:Determine the version of Linux you are using by opening a terminal and running the following command: lsb_release -a Open a web browser and navigate to the official Python downloads page at https://www.python.org/downloads/. Scroll down the page and locate the section titled "Looking for a specific release?". Click on the link for the version of Python you want to install.
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6 min readTo completely remove Jenkins from a Linux system, you can follow these steps:Stop Jenkins service: Open the terminal. Execute the command: sudo service jenkins stop Uninstall Jenkins packages: Execute the command: sudo apt-get -y remove jenkins Delete Jenkins configuration: Execute the command: sudo rm -rf /var/lib/jenkins If Jenkins was installed using the WAR file: Delete the Jenkins WAR file: sudo rm /usr/share/jenkins/jenkins.
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6 min readTo rename all the files in the current directory in Linux, you can use the 'mv' command along with a 'for' loop. Here's how you can do it:Open the terminal.Navigate to the desired directory using the 'cd' command.
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8 min readIn Linux, the socket buffer acts as a queue that holds incoming and outgoing network data for a socket. It allows the application to read or write data at its own pace, while the operating system takes care of buffering the data.To clear the socket buffer in Linux, you can follow these steps:Close the socket connection: If you want to clear the buffer for a specific socket, you should close the connection.
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7 min readTo reset your profile file on Linux, follow these steps:Open your terminal emulator. Locate your profile file. It is commonly named ".bashrc" or ".bash_profile" and is usually located in your home directory. You can navigate to your home directory by typing "cd ~" in the terminal. Open the profile file using a text editor such as nano or vim. For example, if your profile file is ".bashrc," type "nano ~/.bashrc" in the terminal and hit Enter.
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9 min readSetting folder permissions in Linux involves using the chmod command. Here is some information about how to set folder permissions:The chmod command stands for "change mode" and is used to modify the access permissions of files and directories in Linux. To set folder permissions, you need to use the numerical mode or symbolic mode of the chmod command.
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6 min readTo find request parameters in an Nginx reverse proxy, you can use the $args variable. This variable contains the query string parameters in the request URL.
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9 min readTo use one SSL certificate for different ports on NGINX, you can follow these steps:Generate or obtain an SSL certificate: You can either generate a self-signed certificate or obtain a certificate from a trusted Certificate Authority (CA). Make sure the certificate includes the common name (CN) or Subject Alternative Name (SAN) for each port you want to use. Configure NGINX server blocks: In the NGINX configuration file, define separate server blocks for each port you want to secure with SSL.
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9 min readTo implement fail2ban inside a Docker container running nginx, you can follow these steps:Start by creating a new Docker container with both fail2ban and nginx installed. You can use an appropriate base image that includes both packages. Configure fail2ban to monitor the nginx logs for specific events. Open the fail2ban configuration file (usually located at /etc/fail2ban/jail.conf or /etc/fail2ban/jail.d/nginx.conf) and define the jails for nginx.