Category: Linux & Server Administration

  • Maintaining servers: Why updates must not wait

    Recent vulnerabilities in cPanel and the Linux kernel have served as a stark reminder: unpatched servers aren’t just a theoretical risk. Whether you manage one VPS or a fleet of production machines, the question isn’t if but when your services will be affected. What’s at stake — the recent CVEs Over April and May this…

  • Get started with Moodle

    At Rimuhosting, we support a wide range of Moodle deployments — from simple academic setups to complex, high-availability platforms. This guide walks you through a clean and secure installation of Moodle 4.5 LTS, the latest long-term support release. Whether you’re launching a development instance, staging site, or preparing for full production, this setup gives you…

  • Jailkit chroots with SFTP and interactive SSH logins

    Linux has privileged users and non-privileged users. Privileged users (like root) have a user id less than 1000 and typically have super abilities like being able to listen on low number ports (like the port 80 and 443 for web servers). Privilege separation is a good thing. It is recommended when running websites that the…

  • CentOS Stream, RockyLinux and Alma Linux

    Recently CentOS8 reached its supported end-of-life for security updates. For a number of reasons there will effectively be no more stable releases of CentOS 8 or later. Instead developers are being encouraged to look at CentOS Stream as a future proof option for elX based platforms. This is quite similar to how Gentoo and more…

  • Centos announce Centos 8 retirement

    Centos announce Centos 8 retirement

    Centos have announced that their RHEL8-based distro Centos8 will no longer be supported from December 2021. This affects customers running Centos 8. It also affects customers running older Centos versions that are thinking updating to a newer distro. There are many alternatives to consider. To mention a few: Centos 7. With support until 2024. RimuHosting…

  • Distro upgrade as a service

    For several years we have worked with customers to upgrade dozens of servers (primarily Debian and Ubuntu) from old (sometimes ancient) distro versions to the latest, stable versions. We are now offering this distro upgrade as a service. The upgrade steps are as follows: We collect systems information to ensure your setup is updatable (e.g.…

  • Centos8 + Apache + Tomcat + LetsEncrypt Setup

    A popular setup for Tomcat is to run it as a backend behind Apache. This lets you use Apache for some websites and URLs and Tomcat for others (while keeping the same IP address and port). Another common requirement is to have a valid SSL certificate. This HOWTO describes that setup. The HOWTO is for…

  • Ubuntu 20.04 LTS released

    The latest long term support (LTS) release of Ubuntu is now available for new installs. Ubuntu 20.04, also known as “Focal Fossa” can be ordered at https://rimuhosting.com/order/v2orderstart.jsp. It’s also an option to consider if you reinstall an existing VPS. The official release notes for this release are available at https://wiki.ubuntu.com/FocalFossa/ReleaseNotes and will be be upstream…

  • CentOS 8 available

    The long awaited release of CentOS 8 64bit is now available with new installs from our order pages at https://rimuhosting.com/order/v2orderstart.jsp. It’s also an option to consider if you reinstall an existing VPS. CentOS8 was formally released on 24 Sep 2019. The official release notes are available at https://wiki.centos.org/Manuals/ReleaseNotes/CentOS8.1905. CentOS8 will be supported until 30 Sep…

  • Debian Stretch and old installs

    We have had Debian 9 images available since shortly after it became available. But missed announcing it. So here it is, Debian 9 is code named “Stretch” and is available as a setup option on all our plans. As with other newer images, there is only a 64 bit image for new setups or re-installs.…