Author: Admin

The btrfsck command is a filesystem-check command like fsck, but it works with the btrfs file system. First a little bit about btrfs. As the name implies, btrfs uses a B-tree data structure that is self-balancing and maintains sorted data, facilitating searches, sequential access, insertions, and deletions. It is also often referred to as the “better file system”. Oracle developed it and first used it about 15 years ago. By November 2013, it was declared adequately…

The DevNet Expert certification is here, earning its place among Cisco’s Expert-level certification tier with an identity all its own. As we look forward to the first day of lab testing on May 2, 2022, the anticipation and curiosity around the never-before-seen exam has left many wondering what makes this exam so unique compared to other Cisco certification exams – even at the Expert level. A practical exam unlike any other It’s the perfect time…

Episode 21 of the Cisco Optics Podcast is now posted! See below for episode notes. Podcast episodes are now being added to the Cisco Optics playlist on YouTube! Cisco Optics Podcast Episode 21 Cisco Optics Podcast Episode 21. How to Make Coherent Optics Small and Pluggable, with Tom Williams. Part 2 of 5. Coherent optics have been the go-to solution for high-end optical transport systems for years. Eventually these optics were modularized and with recent…

Organizations are increasingly adopting hybrid & multi-cloud strategies and distributing workloads across multiple cloud providers. In the past, location-based restrictions required workloads to run within customer-owned data centers or preferred public clouds, but the increased acceptability of hybrid cloud-based infrastructures has decreased this trend. These days, workload locations are determined more by the nature of the workload and this placement choice has added to the operational complexity for the virtualization administration teams. Today’s administrators must…

Does your business need Real, with a capital R, internet? If that’s your company, you should check out the Comcast Business Gateway. This next-generation Advanced Gateway, when paired with Comcast’s Xfinity Gigabit Pro speeds of up to 3/3 Gigabits per second (Gbps) symmetrical broadband, can deliver Wi-Fi 6 (802.11ax) speeds of up to 2 Gbps. This new Gateway boasts three Wi-Fi bands of 2.4 GHz, 5 GHz, and 6 GHz. Together, this reduces interference and increases overall…

Does your business need Real, with a capital R, internet? If that’s your company, you should check out the Comcast Business Gateway. This next-generation Advanced Gateway, when paired with Comcast’s Xfinity Gigabit Pro speeds of up to 3/3 Gigabits per second (Gbps) symmetrical broadband, can deliver Wi-Fi 6 (802.11ax) speeds of up to 2 Gbps. This new Gateway boasts three Wi-Fi bands of 2.4 GHz, 5 GHz, and 6 GHz. Together, this reduces interference and increases overall…