Have you ever tried using Linux in Windows? If you do, then you need to use virtualization. Alternatively, you can do a dual-boot, which lets you use only one operating system at a time. Meet Windows Subsystem for Linux. This new Windows feature lets you access Linux directly from Windows. In this article, we’ll go… Read More »
rsync (remote synchronization) is a command-line tool for transferring and synchronizing files and directories locally and remotely in Linux. In other words, rsync is used for transferring files and directories, creating backups, mirroring files, and transferring large files between two locations. rsync identifies the differences between the source and destination files and directories using its… Read More »
Curl (acronym for “Client for url”) is a powerful command line tool and library for transferring files between two hosts. It supports a variety of protocols, including HTTP, SMTP, FTP, and POP3. A few things we can do with the curl command include: download files upload files testing services and APIs setting up custom headers… Read More »
Scanning for wifi networks will show you the ssids of all the wifi networks in your neighbourhood that your wifi adapter can detect or connect to. By default the gui network manager apps do this in kde and gnome desktop environments. However you can also scan the wifi networks from the command prompt. In this… Read More »
Aptitude Aptitude is the another command that can be used to manage packages from the commandline just like and apt-get. Aptitude is considered better and superior to apt-get for a number of reasons. One benefit of aptitude is that when removing a certain package, aptitude will remove all dependencies of that package as well, so… Read More »
DNF (Dandified Yum) is an RPM-based package manager capable of managing packages in Linux. Today, we’ll go through 20 DNF command examples. These examples will teach you how to manage packages with ease. You can use DNF to install and update packages. It is a popular package manager and comes pre-installed as the default package… Read More »
fdisk (fixed disk or format disk) is a command-line utility for creating and managing disk partitions in Linux and other Unix-based systems. In other words, fdisk is a command used to create, view, modify, and delete partitions on a hard drive. fdisk works by making changes to the disk’s partition table. The partition table stores… Read More »
What are Linux logs? Linux logs are a critical component of the OS that gives a snapshot of everything that has been happening in the system. It helps in tracking events within the system such as process initiation/failure, errors in running applications, login failures, boot-up process etc. They are essential for debugging running applications, tracking… Read More »
Lets say you have a wifi adapter on your linux machine whether a laptop or desktop and wanted to check what wifi standards (4/5/6) that are supported on it. One simple way is to check the model of the wifi adapter and lookup the specs online and get all technical details about. The other way… Read More »
Sometimes, we want to run Ubuntu in live mode and test a few programs or commands that need to be installed first. Ubuntu supports installing packages in a live session in the same way as in a fully installed setup. However, when trying to install package in a live session, often times the following error… Read More »
The fstab (File system table) file is a configuration file used by the Linux kernel to mount declared file systems during booting. It contains a set of rules describing where a file system should be mounted, access control for file systems, and additional configuration options for each file system. In this article, we’ll cover the… Read More »
Ram timings are technical specs about ram modules that are installed in laptops or desktops. These number indicate the performance of the ram module interms of how fast they can read and write data. The appear as 4 number set separated by a hyphen, for example like this: 16-16-16-39. Now these numbers tell us how… Read More »
The dmesg command is a powerful tool used to control and read log messages stored in the kernel ring buffer of Linux and other Unix-based operating systems. During boot-up and runtime, the kernel stores messages produced by device drivers, hardware devices, and kernel modules in a ring buffer. These stored log messages can be reviewed… Read More »
What is Snap Snap is a software packaging and deployment system (similar to deb) developed by Canonical for Linux. It has version control capabilities which help maintain multiple releases of a particular application (aka snaps). Though it is a proprietary solution from Canonical, Snap is available for other linux distros like Fedora, CentOS and Manjaro… Read More »
Grep Command Grep command in Linux is primarily used to search files for specific patterns of text, but there is a lot more it can do. The name “grep” is derived from the command used to perform a similar operation “ed” text editor with the operation: g/re/p ((globally search for a regular expression and print… Read More »
Routers are basically embedded devices (or system), and most modern routers run on linux. Think of it like a mini computer that has its own cpu, storage space, ram memory, ethernet ports, wifi chipset, and optionally a usb port. Functionally these are single board computers similar to a raspberry pi. They software that runs on… Read More »
Lets say you upgraded your home or office network with new wifi routers and devices then you should see if your devices are using the new wifi standards like Wifi5 or Wifi6, to ensure high speed data transfer. On Windows it is easy to check, but on linux we need to run a few commands… Read More »
On a linux system you can get details about the wifi adapter using commands like iw, iwconfig, iwlist, ethtool etc. However if you are a usb wifi adapter then it can be tricky. When you plug a usb wifi adapter on your system, linux will not show the details of the device in the lspci… Read More »
In this article we take a quick look at testing wifi throughput over lan using a simple tool called iperf. Wifi lan speed matters when you are transferring large files across devices. For example transferring a big video or zip file from ipad or smartphone to desktop pc connected on ethernet. Wifi speed is not… Read More »
After you install Ubuntu inside VirtualBox its necessary to install guest additions in order to enable enhanced features like native screen resolution, seamless windows, shared clipboard, shared folders and few others. Without it, you would probably have to work with a standard resolution like 1024×768 as the default virtual machine does not support every possible… Read More »