This article is Part 8 of the LFCA series, here in this part, you will acquaint yourself with the general system administration commands to monitor basic system metricks and schedule administrative tasks in the Linux…
Net-filter as we all know it’s a firewall in Linux. Firewalld is a dynamic daemon to manage firewalls with support for network zones. In the earlier version, RHEL & CentOS 6 we have been using…
Mosh, which stands for Mobile Shell is a command-line application which is used for connecting to the server from a client computer, over the Internet. It can be used as SSH and contains more feature…
This article is Part 7 of the LFCA series, here in this part, you will acquaint yourself with the general system administration commands to manage software packages in the Linux system. As a systems administrator,…
In this article, we will take a look at gdu an open-source disk usage analyzer written in go. Gdu is inspired by godu, dua, ncdu, and df. The gdu tool is created for SSD drives…
SQLite is a lightweight, small and self-contained RDBMS in a C library. Popular databases like MySql, PostgreSQL, etc. works in the client-server model and they have a dedicated process running and controlling all the aspects…
In the March 2021 survey we received responses from 1,187,527,949 sites across 263,355,616 unique domains and 10,847,682 web-facing computers. This reflects a loss of 16,724,462 sites, but a gain of 313,561 domains and 81,076 computers….
This article is Part 6 of the LFCA series, here in this part, you will acquaint yourself with the general system administration commands to manage time and date settings in the Linux system. Time is…
As a Linux system administrator, you will be tasked with ensuring the smooth flow of all IT operations in your organization. Given that some IT operations are intertwined, a systems administrator usually wears many hats…
Google Cloud Platform is a suite of cloud computing services that share its running environment with the same infrastructure that Google uses internally for its end-user products e.g YouTube, Gmail, and Google Search. It consists…
In this article, we will take a look at how to use a break and continue in bash scripts. In bash, we have three main loop constructs (for, while, until). Break and continue statements are…
In bash for, while, and until are three loop constructs. While each loop differs syntactically and functionally their purpose is to iterate over a block of code when a certain expression is evaluated. Until loop…
At any given time when using your PC which is connected to a router, you will be part of a network. Whether you are in an office environment or simply working from home, your computer…
Android Software development involves creating applications for devices that are running the Android Operating System using Kotlin, Java, and C++ languages via the Android software development kit. Of course, it is possible to work with…
Over 100,000 Outlook Web Access servers have been rebooted since Microsoft released security updates for the ProxyLogon remote code execution vulnerability. The subsequent flurry of reboot activity is likely indicative of many Microsoft Exchange servers…
Around 3.6 million websites across 464,000 distinct domains were taken offline after the major fire at an OVHcloud datacenter site in Strasbourg overnight. More than 18% of the IP addresses attributed to OVH in Netcraft’s…
This weekend, several days after Tuesday 2nd March when Microsoft released fixes for the ProxyLogon vulnerability, Netcraft found more than 99,000 unpatched Outlook Web Access servers accessible on the internet — of which several thousand…
See full table Choopa.com took the top spot as the most reliable hosting company site in February. The top five hosting company sites all had no failed requests during the month, with the ranking decided…