Cockpit is a Web-based management tool (similar to Webmin) and is available for CentOS and RHEL systems. As of recent CentOS 8 and RHEL 8 are released with cockpit installed by default. Its package is available in the default CentOS 8 and RHEL 8 package repositories. Cockpit is a useful Web based GUI tool through which sysadmins can monitor …

Because it is very small and easy to install and use, PuTTY has been the most popular Windows SSH client for many years. It is extremely lightweight and can handle many other networking remote access protocols, such as SCP, SFTP, Telnet or serial, which makes it ideal for system administrators and network engineers. However, PuTTY …

Modern servers are constantly under attack from hackers or automated scripts that search for any vulnerability as soon as it is revealed. These attacks typically come from a wide range of IP addresses from all over the world, making it practically impossible to block all of them separately. No server can ever be completely safe …

Virtualization technologies have revolutionized the world of hosting and servers in general, by providing a very simple and effective way to provision or discard servers of almost any size, with unmatched scalability. Cloud servers are extremely flexible and can accommodate almost any type of operating system, regardless of the one installed on the host. There …

Before discussing the advantages and downsides of self-hosting, let’s see what self-hosting really means. Hosting your own websites and applications doesn’t mean that you run a server in your house or basement, which is a very bad idea for many reasons. What self-hosting actually means is that you rent a server or a virtual machine …

CentOS is the most common Linux distribution used for production servers, since it is a very stable operating system, fully compatible with Red Hat Enterprise Linux (RHEL). The disk images required for the installation of CentOS 7 can be downloaded for free from the project’s website, and the installation process is very simple because it …

Especially with the recent retiring of CentOS 5 on March 31, 2017, use of version 7 is on the rise. For new systems being installed now, it makes much more sense to go straight to CentOS 7 unless there is a specific compatibility issue. CentOS 6 will have maintenance updates through 2020. The minimum recommended …

IBM’s acquisition of RedHat was initially announced in October 2018 and sent shockwaves through the open-source community. In May, the deal was approved by the US Department of Justice, which allowed IBM to close it earlier this month. The value of the deal was $34 million, or $190 per share. Considering that RedHat shares were …