If you select the Ctrl + Shift combination to switch a keyboard layout in Ubuntu or Linux Mint, any other hotkeys with Ctrl + Shift + <Key> may stop working. This is a known bug in Xorg that can be fixed by applying this patch. This is a short note about how to fix the […]
The “initramfs boot problem” on Ubuntu or Linux Mint is a situation when a computer does not boot up properly and instead of going straight to the login screen, drops you to the BusyBox shell with the initramfs command-line prompt. This error usually occurs when the partition containing the operating system got corrupted. Luckily this […]
A router is a device that communicates between the Internet (or public network) and the devices in a local network (or private network). A typical home router, that usually acts as a default gateway for the local devices, can be configured using a web-based configuration page that can be accessed from a web-browser if you […]
When a file or a directory is created in a Linux file system, a name and a uniq inode number is assigned to it. An inode is a data structure that contains information about a disk block location of a file or a directory and may include metadata (times of last change, access, modification), as […]
Swap in Linux is a space on a disk drive (HDD or SSD) that is used when the amount of physical memory (RAM) tends to get full. Swap space is usually created as a dedicated swap partition during the system’s installation but it also can take the form of a swap file. As usually there […]
If you execute the free -m command you may notice that the operating system can use some swap even if there is still RAM free. This behaviour is controlled by the Linux kernel parameter vm.swappiness and can be changed by setting its value from 0 to 100. The swappiness in Linux is a rate in […]
Swap in Linux is a space on a disk drive (HDD or SSD) that is used when the amount of physical memory (RAM) tends to get full. Although it protects Linux system from getting out of memory, in certain cases it is recommended to disable swap. For example swap should be disabled on Kubernetes nodes, […]
Formatting USB drives in Linux from the command line (terminal) is very easy. In this note i will show how to format an external HDD, SSD or USB flash drive in Linux from the command line using mkfs utility. I will provide the examples of disk formatting to the most popular file system types: FAT32, […]
Artifactory comes with a pre-configured default “admin” account. In this short note you will find the default Artifactory credentials and i will show how to test Artifactory login, password and API Key by authenticating on Artifactory’s REST API using curl command from the command line in Linux.
JFrog’s Artifactory is a binary repository manager. The artifacts from Artifactory can be downloaded using REST API. In this note i am showing how to download an artifact (simple file.zip) from generic Artifactory repository using curl command from the command line in Linux or from the PowerShell in Windows.