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How website valuation actually works, what traffic estimates can and cannot tell you, and which once-standard metrics have quietly stopped existing.
How to change root password on macOS Unix using terminal
To change the root password on macOS using the terminal, you can use the dscl command. The dscl command is used to manage the Directory Service on macOS. Here are the steps to change the root password: n n Open the Terminal application. n Type the following command and press Enter: n n n n sudo dscl
How to upgrade Fedora 29 to Fedora 30
Upgrading Fedora 29 to Fedora 30 involves several steps and it's recommended to have a backup of your important files before starting the upgrade process.rn rn Verify your current version: Before upgrading, you should check the version of Fedora that you are currently running by running the command
How do I know if my Linux is 32 bit or 64 bit?
There are a few ways to determine if your Linux system is running a 32-bit or 64-bit architecture:rn rn One way is to use the uname command. This command will display information about the system, including the architecture. You can use the -m option to display the machine hardware name. rn rn rn rn
Use oathtool Linux command line for 2 step verification (2FA)
oathtool is a command-line utility that can be used to generate one-time passwords (OTPs) for two-step verification (2FA) on Linux. It can be used in combination with other tools and services to implement 2FA on your system. Here's an example of how you can use oathtool to generate an OTP:rn rn F
How to check running process in Ubuntu using command line
You can check running processes on Ubuntu using the command-line tool ps . The basic syntax for the ps command is:rn rn rn ps rn rn rnHere are some common options for ps :rn rn -A or -e : shows all processes running on the system rn -aux : shows all processes running on the system with detailed info
How do I check if a port is in use on Linux?
There are several ways to check if a port is in use on Linux.rn rn netstat command: The netstat command can be used to check the status of network connections and open ports. To check if a specific port is in use, you can use the following command: rn rn rn rn netstat -tuln | grep :<port_number&g
Linux disable firewall command
The specific command to disable a firewall on Linux depends on the firewall software that is currently in use. Some common firewall software on Linux include:rn rn iptables: rn rn rn rn sudo iptables -Frnsudo iptables -Xrnsudo iptables -t nat -Frnsudo iptables -t nat -Xrnsudo iptables -t mangle -Frn
Arch Linux Change Hostname (computer name)
To change the hostname (computer name) on Arch Linux, you can use the hostnamectl command or edit the /etc/hostname file directly.rn rn Using the hostnamectl command: rn rn rn rn sudo hostnamectl set -hostname new_hostnamern rn rn rn Editing the /etc/hostname file: rn rn rn rn sudo nano /etc/hostnam
How do I check if a port is in use on Linux?
There are several ways to check if a port is in use on Linux.rn rn netstat command: The netstat command can be used to check the status of network connections and open ports. To check if a specific port is in use, you can use the following command: rn rn rn rn netstat -tuln | grep :<port_number&g
Linux bash exit status and how to set exit status in bash
In Linux, the exit status of a command or shell script is a numeric value that represents the success or failure of the command or script. The exit status is stored in the special shell variable $? . A value of 0 indicates success, and any non-zero value indicates failure. For example, after runn
Configure Ubuntu Pi-hole for Cloudflare DNS over HTTPS
To configure Pi-hole on Ubuntu to use Cloudflare’s DNS over HTTPS (DoH) service, you’ll need to follow these steps: n n Install Pi-hole on your Ubuntu system following the official installation guide. n Once Pi-hole is installed and running, log in to the web interface and navigate to th
RHEL 8 install Python 3 or Python 2 using yum
Red Hat Enterprise Linux 8 (RHEL 8) comes with Python 3 installed by default. However, if you need to install a specific version of Python 2, you can use the yum package manager to do so. To install Python 2.7 using yum , you can use the following command:rn rn rn sudo yum install python2rn rn rn
How to install htop on Alpine Linux using apk
htop is a process monitoring tool that is similar to the top command, but with additional features such as the ability to scroll vertically and horizontally through the process list and the ability to sort processes by various criteria. To install htop on Alpine Linux using the apk package manage
How to find Intel NUC BIOS version and model on Linux
You can find the Intel NUC BIOS version and model on Linux by running the following command in the terminal:rn rn rn sudo dmidecode -t system rn rn rnThis command will provide detailed information about the system, including the BIOS version and the model of the Intel NUC. Look for the "BIOS Revisio
Perl: warning: Setting locale failed in Debian and Ubuntu
In Debian and Ubuntu, the "perl: warning: Setting locale failed" message is usually caused by a lack of support for the locale that is specified in the system's environment variables. This can happen when the locale is not installed on the system or when it is not configured correctly. To fix thi
How to override content type with Nginx web server
rn rn rn rn rn To override the content type with Nginx web server, you can use the add_header directive in the server or location block of your Nginx configuration file. For example, to set the content type to application/json for all .json files, you can add the following in your server bloc
Install Google Chrome on CentOS 7 using yum command
Google Chrome is not available in the default CentOS 7 package repositories, so you will need to add the Google Chrome repository to your system in order to install it using the yum command. Here are the steps to install Google Chrome on CentOS 7 using yum:rn rn Create a file named "google-chrome
How do I force delete a directory in Linux?
To force delete a directory in Linux, you can use the “rm” command with the “-r” (recursive) and “-f” (force) options. n For example, to force delete a directory named “mydir”, you would use the following command: n n n rm -rf mydir n n n Please note t
How to check Unix version using command line
You can check the Unix version using the command line by running the following command:rn rn rn uname -arn rn rnThis command will display the system's name, version, and other information about the operating system. Alternatively, you can use the command:rn rn rn lsb_release - a rn rn rnIt will show
How to check CPU temperature in OpenSUSE Linux
To check the CPU temperature in OpenSUSE Linux, you can use the 'sensors' command. This command can give you information about the temperature of different components of your system, including the CPU. Before you can use the 'sensors' command, you will need to make sure that the 'lm_sensors' pack
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