Guides
How website valuation actually works, what traffic estimates can and cannot tell you, and which once-standard metrics have quietly stopped existing.
How to install OpenSSH server on Debian Linux 9/10/11
To install OpenSSH server on Debian Linux 9 (Stretch), 10 (Buster), or 11 (Bullseye), you can follow these steps: n n Update the package list by running the following command: n n n n sudo apt - get update n n n n Install the OpenSSH server package: n n n n sudo apt- get install openssh-server n n n
Debian Linux Install Truetype Fonts For Xorg
To install TrueType fonts in Debian Linux for use with Xorg, you can follow these steps:rn rn Install the necessary package: rn rn rn rn sudo apt- get install ttf-mscorefonts-installerrn rn rn rn Copy the TrueType fonts you want to install to the font directory /usr/share/fonts/truetype/ . rn Update
HowTo: Ubuntu Linux Kernel Version Command
You can check the version of the Linux kernel that's currently running on your Ubuntu system using the following command:rn rn rn uname -rrn rn rnThe uname command provides information about the system and its environment, and the -r option specifically requests the release information, which is the
Linux and Unix host Command Examples
Here are some common examples of the host command in Linux and Unix:rn rn To perform a simple DNS lookup for a hostname, you can run the following command: rn rn rn rn host example.comrn rn rn rn To perform a reverse DNS lookup for an IP address, you can run the following command: rn rn rn rn host 8
Linux and Unix dig Command Examples
The dig command in Linux and Unix is used to query the Domain Name System (DNS) to retrieve information about hostnames, IP addresses, and other DNS-related information. The dig command can be used to perform various types of DNS lookups, such as checking the A (address) record for a hostname, the M
CentOS Linux: Find Memory (RAM) Usage Information Command
There are several ways to find memory usage information on a CentOS Linux system. Here are some common commands:rn rn free : This command displays the amount of free and used memory in the system, as well as the swap space usage. The output is in kilobytes:rn rn rn $ free -hrn rn rnThe -h option dis
Linux ip Command Examples
The ip command is a versatile tool for managing and querying network interfaces and IP addresses on a Linux system. Here are some common examples of using the ip command:rn rn Display information about all network interfaces:rn rn rn $ ip addr showrn rn rn Display information about a specific networ
Restart Iptables Firewall On A CentOS Linux Server
You can restart the Iptables firewall on a CentOS Linux server by executing the following steps:rn rn Stop the Iptables firewall service:rn rn rn $ sudo service iptables stoprn rn rn Flush all current Iptables rules:rn rn rn $ sudo iptables - F rn rn rn Start the Iptables firewall service:rn rn rn $
Reload Squid Proxy Server Without Restarting Squid Daemon
You can reload the Squid proxy server configuration without restarting the Squid daemon by sending a SIGHUP signal to the Squid process. This will cause Squid to reread its configuration file, squid.conf , and apply any changes. Here's how to reload the Squid proxy server on a Linux system:rn rn
Linux / Unix: Sed Substitute Multiple Patterns [ Find & Replace ]
The sed command is a powerful tool in Linux and Unix for text processing and manipulation. You can use the sed command to substitute multiple patterns, or to find and replace text within a file. Here's how you can use sed to substitute multiple patterns in a file:rn rn Substitute multiple pattern
How to Check and print PHP version installed On Linux / Unix Server
You can check the version of PHP installed on a Linux or Unix server by using the following methods:rn rn From the command line: You can run the following command in your terminal or shell to display the version of PHP installed on the server:rn rn rn $ php -vrnPHP 7.3 .22-1 +ubuntu18 .04 .1 +deb .s
Linux / Unix id Command Examples
The id command in Unix-like systems is used to display the user and group information for the current user or a specified user. It can display information such as the user ID (UID), group ID (GID), and the groups that the user belongs to. Here are some examples of how to use the id command:rn rn
Linux / Unix: logname Command Examples To Display Loginname
The logname command in Unix-like systems is used to display the login name of the user running the command. Here's how to use it:rn rn Open a terminal or shell window. rn Type the following command:rn rn rn $ logname rn rn rn Press Enter . The logname command will display the login name of the curre
Linux / Unix: bg Command Examples
The bg command in Unix-like systems is used to continue executing a job in the background, after it has been stopped. When a job is stopped, it is said to be in the "stopped" state, and it will not continue executing until it is either resumed in the foreground (using the fg command) or in the backg
Debian Linux Install MySQL Database Server
To install the MySQL database server on Debian Linux, you can follow these steps:rn rn Update the package list:rn rn rn sudo apt update rn rn rn Install the MySQL server package:rn rn sudo apt install mysql-serverrn rn rn During the installation process, you will be prompted to set a root password f
RHEL / CentOS 6 Linux Install Memcached High Performance Distributed Memory Object Cache Server
To install the memcached high-performance distributed memory object cache server on RHEL/CentOS 6 Linux, you can follow these steps:rn rn Install the memcached package using the yum package manager:rn rn rn sudo yum install memcachedrn rn rn Start the memcached service:rn rn rn sudo service memcache
CentOS / RHEL / Scientific Linux 6/5 Enable and Install EPEL Repo
rn rn rn rn rn To enable and install the EPEL (Extra Packages for Enterprise Linux) repository on CentOS/RHEL/Scientific Linux 6/5, you can follow these steps:rn rn Download the EPEL repository RPM file:rn rn rn wget https: / /dl.fedoraproject.org/pub /epel/epel -release-latest- 6 .noarch.rpmrn
Linux / Unix: whoami Command Examples
The whoami command in Linux and Unix is used to display the name of the current user. Here are some common examples of how to use the whoami command:rn rn Display the name of the current user:rn rn rn whoami rn rn rnThis will display the name of the current user. rn rnHere are some examples of using
Linux / Unix: groups Command Examples
The groups command in Linux and Unix is used to display the groups that a user belongs to. Here are some common examples of how to use the groups command: n n Display the groups that the current user belongs to:n n n groups n n n This will display the groups that the current user belongs to, separat
Ubuntu Linux: Find Groups A User Belongs To
To find the groups that a user belongs to in Ubuntu Linux, you can use the groups command. n Here’s how to find the groups that a user belongs to: n n Open a terminal window or log in to a virtual console. n Type the following command to list the groups that the specified user belongs to:n n n
2,685 guides published.