Quick Tip: Turn off the login banner in Linux or Unix .hushlogin file
Did you know? You can turn off the banner in Linux or Unix using a particular file. When you log in using ssh or other methods, you will find tons …
FreeBSD 13 released: Here is how to upgrade FreeBSD 12 to 13
The FreeBSD project released FreeBSD version 13. The new version comes with updated software and features for a wild variety of architectures. The latest release provides performance improvements and better …
How to install ncdu on Linux / Unix to see disk usage
The du (disk usage) command summarizes directory trees’ sizes, including all of their contents and individual files’ sizes on Linux and Unix-like systems such as macOS. It helps track down …
Debian Linux 10.9 released and here is how to upgrade it
The Debian GNU/Linux project has released an updated version of its stable Linux distribution Debian 10 (“buster”). You must upgrade to get corrections for security problem as this version made …
FreeBSD jail, xen, and .pam_login_access security fixes released
All supported versions of FreeBSD are affected by various security bugs that need to be applied ASAP. If the process is privileged, it may escape jail and gain full access …
Significant vulnerabilities that crippled IT world this decade (2010-2020)
The last ten years in the computer and IT security world are crippled with so many vulnerabilities. We saw massive cloud computing adoption and end-users using mobile devices with high …
CentOS Linux reborn as Rocky Linux enterprise operating system
As you know, Red Hat and IBM shocked the Linux community by killing CentOS 8 stable. There will be no CentOS Linux. Red Hat announced that there would be only …
CentOS Linux 8 will end in 2021 and shifts focus to CentOS Stream
CentOS is an acronym for Community Enterprise Operating System, and it is a 100% rebuild of RHEL (Red Hat Enterprise Linux). While RHEL costs money, CentOS offered as a free …
Top 7 Linux GPU Monitoring and Diagnostic Commands Line Tools
A video card is a special circuit board that controls what is displayed on a computer monitor. It is also called a graphics processing unit (GPU), which calculates 3D images …
Quick tip: Display banner/message before OpenSSH authentication
Want to display a message or banner before OpenSSH (SSHD server) authentication? Try this simple tip to show the banner or ASCII logo on your Linux or Unix system.OpenSSH has …