The Linux free command displays the total amount of used and free memory, swap memory (if enabled), and the cache/buffer used by the kernel. This information can be used by a system administrator to investigate whether there is a sudden spike in server resource consumption.
Doas is a privilege escalation program similar to sudo. It was originally designed for OpenBSD, which allows users to run commands as if they were another user (e.g., root), and later, due to its simplicity and unique functionality, it was ported to many other Linux
To disable āavahi-daemonā without uninstalling, you need to first stop the āavahi-daemonā service and then disable it, which will prevent it from starting automatically at boot. š If you come across the āJob for avahi-daemon.service canceledā or ātriggering units are still activeā, just ignore them
Many Linux commands like cp, mv, rm, and others that perform progressive tasks lack a built-in mechanism or option to display a progress bar. However, a verbose mode is present that can show the detailed insight of each action, but a progress indicator would have
The āssā command is a tool used to print network socket-related information such as PACKET sockets, TCP sockets, UDP sockets, DCCP sockets, RAW sockets, Unix domain sockets, etc. It is considered the best replacement for the old netstat command (now deprecated), offering new, powerful, and
Systemd is a popular init system used by many major Linux distributions, such as Ubuntu, Debian, Red Hat, and Fedora. Itās ofter a service manager that manages various programs and processes on your Linux system. The systemd services are defined in unit files. Few programs
AWS provides a range of instance types, like t2.micro (eligible for the free tier), t3.micro, c5.large, and many more. When creating the AWS EC2 instance, you must select an instance type for which your next-month bill will be generated. If you happen to forget the
In this article, Iāll introduce you to a tool called āDocker Rolloutā, which claims to update Docker Compose services with zero downtime. Iāve been testing it for a while, and to be honest, it can do that in a broader sense. Well, there are some
The āmknodā (or make node) command was originally used to create the character and block devices that reside in the ā/devā virtual filesystem. However, these devices are not regular data files but special files, and modern systems can now create or delete them by detecting
Superfile is a modern terminal file manager that recently caught my attention; itās not only easy to use but is very user-friendly compared to its alternatives, such as Ranger, MC, or nnn. It allows you to create files and directories, view (process, metadata, clipboard), provide
Ttyd is a simple tool that allows you to share a Linux terminal over a web browser. Itās cross-platform and uses the libuv and WebGL2 Javascript APIs for performance and real-time connection between the browser and Linux terminal. The SSL support is offered by OpenSSL.
In this article, you will learn what the ā/etc/mtabā file is in Linux, the difference between the ā/etc/mtabā and ā/etc/fstabā files, their relationship to the āmountā and āumountā commands, and the different parameters and directives in the ā/etc/mtabā file. What is the /etc/mtab file in
