How to Configure FirewallD in RHEL, CentOS and Fedora
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…
-
-
How to Install Mosh Shell as SSH Alternative on Linux
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…
-
LFCA: How to Manage Software Packages in Linux – Part 7
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,…
-
Gdu – A Pretty Fast Disk Usage Analyzer for Linux
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…
-
How to Install SQLite and SQLite Browser in Ubuntu
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…
-
March 2021 Web Server Survey
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….
-
LFCA: Learn to Manage Time and Date in Linux – Part 6
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…
-
LFCA: Learn User Account Management – Part 5
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…
-
10 Best Udemy Google Cloud Platform Courses in 2021
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…
-
How to Use Break and Continue Statements in Shell Scripts
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…
-
How to Use until Loop in Your Shell Scripts
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…
-
LFCA: Learn Basic Networking Commands – Part 4
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…
-
10 Best Udemy Android Development Courses in 2021
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…
-
Flurry of reboots signal Exchange Server patching
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…
-
3.6 million websites taken offline after fire at OVH datacenters
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…
