How to install OpenLDAP and phpLDAPadmin on Ubuntu Server 20.04
If your business needs an LDAP implementation, you can't go wrong with the OpenLDAP/phpLDAPadmin combo. Jack Wallen helps you get it up and running.
Data Centers
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Latest Articles for Data Centers
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Image: Jack Wallen Data Centers -
Image: Jack Wallen Data Centers How to add a device on btrfs system
If you need to add new drives to your btrfs-powered Linux data center servers, Jack Wallen is here to show you how.
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Image: Jack Wallen Data Centers How to rebalance your btrfs filesystem on your Linux data center servers
If you find your btrfs file systems not behaving properly, they might need to be rebalanced. Jack Wallen shows you how.
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Accepting the defaults is all you need to do for the installation of OpManager.
Data Centers How to install the ManageEngine OpManager on your data center servers
OpManager is an outstanding tool for keeping tabs on your data center servers. Learn how to get it up and running.
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Running boot-repair via a Ubuntu live session.
Data Centers How to repair the GRUB2 boot loader on Linux
Jack Wallen shows you how easy it is to repair the GRUB2 boot loader in Linux.
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Denis Isakov, Getty Images/iStockphoto Cloud VDI vs. DaaS: What is the difference, and which is best for your virtualization needs?
Desktop virtualization is nothing new, but now you have two popular forms to choose from: VDI and DaaS. Learn how VDI and DaaS differ so you can make the best investment for your business.
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Image: VMware Networking VMware NSX: A cheat sheet
VMware's NSX hypervisor provides a platform to manage virtualized network deployments. Learn more about the network virtualization platform in this resource guide.
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Image: iStockphoto/Spectral-Design Data Centers Linux kernel 5.9: Most important features and how to install it
Linux kernel 5.9 has arrived with plenty of performance boosting to intrigue data center admins. Jack Wallen highlights the improvements and shows how to install the mainline kernel.
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Image: Vladimir_Timofeev, Getty Images/iStockphoto Data Centers NVMe: A cheat sheet
This primer about NVM Express covers the variety of form factors that NVMe drives come in, as well as how businesses can benefit from the storage technology.
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Our hello-world image has been successfully pushed to the local repository.
Data Centers How to set up a local image repository with Podman
If you've migrated from Docker to Podman, you might be wondering how to host your own private image registries. Jack Wallen shows you how.
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Illustration: Lisa Hornung/iStockPhoto Big Data Snowflake data warehouse platform: A cheat sheet
The Snowflake platform offers all the tools necessary to store, retrieve, analyze, and process data from a single readily accessible and scalable system.
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The Webmin navigation sidebar.
Networking How to cluster Webmin servers for a single point of amin entry
If you have more than one server on your network that makes use of Webmin, you should cluster them together for a more efficient experience. Jack Wallen shows you how.
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Image: iStock/karandaev Data Centers VMware vSphere: A cheat sheet
VMware vSphere is the dominant data center virtualization platform. This cheat sheet provides an introduction to what you need to know about vSphere.
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Image: gorodenkoff Getty Images/iStockphoto Data Centers How to install the Webmin web-based Linux admin GUI
If you're looking for a solid web-based Linux admin GUI, look no further than the tried and true Webmin. Jack Wallen shows you how to install it on both Ubuntu Server and CentOS 8.
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Image: Microsoft Cloud Microsoft Azure: A cheat sheet
This comprehensive guide about Microsoft Azure includes common use cases, technical limitations, and what to know before adopting the cloud computing platform.