today's howtos
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Encryption at Rest in MariaDB – Linux Hint
Encryption-at-rest prevents an attacker from accessing encrypted data stored on the disk even if he has access to the system. The open-source databases MySQL and MariaDB now support encryption-at-rest feature that meets the demands of new EU data protection legislation. MySQL encryption at rest is slightly different from MariaDB as MySQL only provides encryption for InnoDB tables. Whereas MariaDB also provides an option to encrypt files such as redo logs, slow logs, audit logs, error logs, etc. However, both can’t encrypt data on a RAM and protect it from a malicious root.
In this article, we will learn to configure database-level encryption for MariaDB. -
How To Install ERPNext on CentOS | RoseHosting Blog
ERPNext is a completely robust ERP framework intended for small and medium-sized businesses. It covers an extensive variety of features, including accounting, CRM, inventory, selling, purchasing, manufacturing, projects, HR and payroll, website, e-commerce, and more – all of which make it profoundly adaptable and extendable.
ERPNext is developed in Python and depends on the Frappe Framework. It utilizes Node.js for the front end, Nginx for the web server, Redis for caching, and MariaDB for the database.
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How To Find Out Which Groups A User Belongs To In Linux
A Linux group is a collection of one or more users with identical permission requirements on files and directories. An user can be a member of more than group at a time. In Linux, each group information is stored in the "/etc/group" file. In this tutorial, we will see all the possible ways to easily find out which groups a user belongs to in Linux and Unix-like operating systems.
Finding out the groups to which a user account belongs will be helpful in many occasions. For instance, the other day I was installing Dropbox on my Ubuntu server. When configuring Dropbox, I had to enter my current user name and the group name. You could also be in a situation where you need to identify the groups a user belongs to. If so, use any one of the following methods to know what group a user is in.
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How Do I Perform a Traceroute on Linux Mint 20? – Linux Hint
Traceroute is a very useful utility that is used to track the path that a packet takes to reach a destination within a network. It can also act as a tool to report network congestion.
In today’s article, we will discuss different examples that will demonstrate the usage of Traceroute on Linux Mint 20.
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How do I Completely Remove a Package in Linux Mint 20? – Linux Hint
The task of removing an installed package from any operating system can surely be a hassle if handled carelessly. It is because whenever you attempt to remove a package, you expect it not to leave any of its traces behind. In other words, you want a clean removal of the desired package. However, such a complete removal cannot be achieved without taking certain measures.
That is why today’s article will be focused on the method of completely removing a package in Linux.
Note: The method that we have attempted and shared with you in this article has been performed on a Linux Mint 20 system. However, the very same steps can also be performed on Ubuntu 20.04 and Debian 10.
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How to Install Spotify in Fedora Linux – Linux Hint
Spotify is a popular audio and video streaming service used by millions of people. Spotify is available for download on smartphones, tablets, and desktops for Windows, Mac, and Linux. Though Spotify works in Linux, this application is not actively supported, as it is on Windows and Mac. You can also enjoy Spotify on wearable gadgets. For example, if you have a Samsung smartwatch, you can listen to and control Spotify using the watch only. You need only install the app on your smartphone from the Play Store to start listening to tracks on Spotify.
The free version of the application provides access to limited audio streaming services with advertisements. The premium service offers many features, including the ability to download media, ad-free browsing, better sound quality, and more. There are also other plans offered to specific individuals and groups. Spotify also supports various devices, such as Wireless Speakers, Wearables, Smart TVs, and Streamers.
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How to Install Official Wallpaper Packs on Fedora? – Linux Hint
Wallpapers are great for improving the user experience of any operating system. In the case of Fedora, one of its iconic features is the wallpapers it comes with. Every single Fedora release gets its own set of wallpaper, and these are some of the most anticipated components of any of its releases.
In this guide, check out how to install official wallpaper packs on Fedora.
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How to Reset Your Gnome Desktop to Default Settings
Linux is a very versatile platform for not only power users, but also tweakers and tinkerers. With the rise of Linux desktop distros have come a whole new level of options for these users.
Gnome is one of the most popular desktop environments on Linux and Ubuntu. The most popular desktop Linux distro now comes with Gnome out of the box following the shelving of Ubuntu’s Unity desktop environment. It, therefore, follows that there are countless ways to tweak your Gnome and make it truly yours.
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How to Find Files Based on Timestamp in Linux
The find command in Linux is used to search for files and folders based on different parameters. These parameters can be the filename, size, type of file, etc.
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How to Delete Files Older Than Specified Days in Linux
As you might already know, we use the rm command in Linux to delete files and folders. The filenames to be deleted have to be passed as arguments to rm. However, rm does not offer other options by itself, like deleting files based on timestamps.
That’s the reason, we use the find command in Linux, which is used to search for files and folders based on different parameters. It is a complex command which can be used to search with parameters like the filename, size, type of file, etc.
There is an option in the find command to search for files based on how old they are and today we will see how to use find and rm together to delete files older than the specified number of days.
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How Can I Sudo Another User Without A Password? – Linux Hint
In Linux platforms, a sudo user is a tool that implies “superuser do” to run various systems’ commands. A sudo user is typically a root user or any other user who has some privileges. To delegate important tasks like server rebooting or restarting the Apache server, or even to create a backup using the sudo command, you can use the sudo without having to enter the password again and again.
By default, sudo user needs to provide some user authentication. At times, user requirements are to run a command with these root privileges, but they do not desire to type a password multiple times, especially while scripting. This is easily doable in Linux systems. In this article, we will check the method to sudo another user without entering their password.
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How to configure Route53 with our DomainName to access a static website from S3 on AWS
This article will help you with the steps to host a static website on S3 and redirect traffic from your subdomain to the static website on the S3 bucket. For this, you will need a domain purchased on AWS. Once you have the domain on AWS, you can create a subdomain and redirect requests from it to the S3 bucket.
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How to install Zoom on Ubuntu, Lubuntu (latest version) using terminal
What is zoom? Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars. You can use free and payed versios.
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How to install mutliple Ubuntu VMs using Multipass on Ubunut 20.04 - Linux Shout
Multipass is a platform developed by Canonical to launch and run Ubuntu virtual machines while offering a user the ability to configure them with cloud-init like a public cloud. Here we learn how to install Multipass on Ubuntu 20.04 Linux and use the same to launch Virtual machine instance.
Although when it comes to launching lightweight pre-built virtual machine images with just a command, Docker comes to mind, however, Multipass could be another option for those who love to work on Ubuntu Server. Yes, if you want to launch Ubuntu Linux command line server VMs instantly on Windows, Linux and macOS then cross-platform Multipass is one of the good options to consider.
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How to use the sipcalc Linux command line tool | Enable Sysadmin
The only network numbers I can keep in my head are now and always have been a Class C network with a 24-bit netmask, such as 192.168.1.0/24. I know there are 254 usable host addresses available with a broadcast address of 192.168.1.255, a gateway/router address of 192.168.1.1 or 192.168.1.254 (depending on who's running the network), and a human-readable netmask of 255.255.255.0. That's my standard network. After all, 254 hosts are enough for any subnet, right? Wrong. A few years back, I had to step outside of my standard 254 hosts per subnet scenario when I decided to use a 22-bit netmask (255.255.252.0) to get a 1022 usable address space.
I knew little about this address space, and it was frustrating to try to search for the simple information that I needed without scrolling through forums with all the idle chatter and off-topic rhetoric. I guess some people just need a space in which to air their grievances about everything. I digress.
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