vnStat is a command-line tool that can be used to monitor and track network traffic on Alpine Linux. You can install vnStat on Alpine Linux using the package manager apk. To install vnStat, you need to run the following command: apk add vnstat To start the vnStat daemon and make it start automatically at boot … Read more
Curl is a command-line tool for transferring data using various protocols, it is commonly used to download files from the internet. You can install curl on Alpine Linux using the package manager apk. To install curl, you need to run the following command: apk add curl To verify the installation, check the version of curl … Read more
Postfix is a popular open-source mail transfer agent (MTA) that can be used to send emails on Red Hat Enterprise Linux (RHEL) and CentOS 8 using Amazon Web Services (AWS) Simple Email Service (SES). To set up Postfix to send emails with Amazon SES on RHEL/CentOS 8, you can follow these steps: Install the Postfix … Read more
In Red Hat Enterprise Linux (RHEL) and CentOS 8, you can enable automatic updates using the “dnf-automatic” package, which is a package that runs automatic updates and provides various options for configuring the update schedule and behavior. To enable automatic updates on RHEL/CentOS 8, you can follow these steps: Install the “dnf-automatic” package by running … Read more
Redis is an open-source, in-memory key-value data store. You can install Redis on Ubuntu Linux by following these steps: Update the package lists and upgrade the system using the following command: sudo apt-get update sudo apt-get upgrade Install the Redis server package by running the following command: sudo apt-get install redis-server Once the installation is … Read more
n Bash, you can repeat a character ‘n’ times using the printf command. The syntax for repeating a character ‘n’ times is as follows: printf “%*s” n character Where: n is the number of times you want to repeat the character. character is the character you want to repeat. It can be enclosed in single … Read more
The Adaptive Replacement Cache (ARC) is a component of the ZFS file system that stores frequently accessed data in memory to improve performance. On FreeBSD, the ARC size can be set using the “kern.vm.zfs.arc_max” sysctl. You can check the current ARC size by running the following command: sysctl kern.vm.zfs.arc_max You can set the ARC size … Read more
Updating the firmware on a Samsung SSD drive on Linux can be done using the “samsung magician” software, which is a command line tool provided by Samsung to manage and maintain their SSD drives. To update the firmware on a Samsung SSD drive, you will need to follow these steps: Download the latest firmware for … Read more
The “df” command in Linux and Unix is used to display the amount of disk space used and available on the file system. The command can be used with various options to display the information in different formats. Some examples of how to use the “df” command are: To display information about all file systems … Read more
To upgrade a ZFS storage pool version on FreeBSD, you can use the “zpool upgrade” command. The command will upgrade the specified pool to the most recent version supported by the system. For example: zpool upgrade poolname It is recommended to backup your data before upgrading. And also you may need to take the pool … Read more