Sudo: allow command without password

Sudo: allow command without password

Nearly every Linux distribution these days uses the sudo utility as a way to grant non-privileged users the ability to execute commands as privileged root users. You may have noticed that after entering your sudo password once, you can continue to execute commands without needing to re-enter it for five minutes. We can even extend this convenience by allowing any sudo commands to be executed without a password.

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How to install Puppet on Ubuntu

How to install Puppet on Ubuntu

Puppet is a powerful tool to automate server configuration, deploy updates or other configuration, and manage multiple systems at once. Puppet also has its own programming language, which is easy to understand even for inexperienced programmrs. The application is free, open source, and can be installed on Ubuntu Linux.

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Check Debian Linux version

Check Debian Linux version

Being aware of your current Debian version will help you know when it is time to update. It’s important to know the version of your Debian Linux system, as new versions are released about every 2 years. Staying up to date will keep your system secure and ensure that you have the newest software available.

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perl: warning: Falling back to the standard locale error message on Linux

Falling back to the standard locale – Solution

If you are trying to use the perl command in your terminal or execute a script coded in the language, you may encounter the Falling back to the standard locale error. This indicates that your Linux system is missing a particular software package that Perl relies on, or the software has become corrupted or misconfigured. In this tutorial, we will show you how to remedy the error and get your perl command working again.

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Checking the libc version on Linux

Check libc version

The GNU C Library, often abbreviated to libc or glibc, is ordinarily installed out of the box on all major Linux distros. It is an essential library that many software packages will rely on in order to run properly or run at all. In case you need to check what version of libc is installed on your Linux system, we have you covered in this tutorial.

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Check information of kernel module on Linux

Check information of kernel module on Linux

Every time a Linux system is booted, there are a number of kernel modules that will be loaded by the system and used to provide additional support for filesystems, new hardware, and many other things. Obtaining information about particular kernel modules may a be an important troubleshooting skill. In this tutorial, we will explain how to obtain module information such as description, dependency, author or relevant object file name using the modinfo command and its various options.

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Ubuntu 22.04 NTP server

Ubuntu 22.04 NTP server

NTP stands for Network Time Protocol and is used for clock synchronization across multiple computers. An NTP server is responsible for keeping a set of computers in sync with each other. On a local network, the server should be able to keep all client systems to within a single millisecond of each other.

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