We often tend to believe that operating systems are secured by default, but securing your Linux servers to protect your data, intellectual property and time is the responsibility of the system administrator.

In this post we will review some of the basics operations that shall always be done while installing a new Linux server. We will use Debian as an example for the different commands but finding the rights commands for RedHat, CentOs or any other Linux distribution should be quite straight forward once you know what you are looking for and what you’d like to achieve.

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Debian, Linux, Linux server

Virtualization was always about making the most out of less. But corporations fighting over customers divided them into incompatible camps. Recently, though, the winds in the industry have changed. VMware just launched an application mobility platform that migrates and re-balances on-premises vSphere and non-vSphere (Hyper-V and KVM) infrastructures to public clouds based on VMware vCloud!

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AWS, vCloud, VMware, VMware Cloud, vRealize

Perfection knows no limits and so does Windows Server. Microsoft is on a crusade of ever-perfecting it, and the new version has something to say, indeed. It seems like the company might be coming after virtualization vendors. Why? Well, some of the new features include storage migration, Windows Subsystem for Linux 2, and ReFS deduplication… Just saying…

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Linux, Ubuntu, WAC, Windows Admin Center, Windows Server 2019, Windows Subsystem

At the beginning of the week, a customer asks me how he can migrate resource group from one subscription to another. He had a CSP contract and he needed to deploy “Bring-your-own-Licenses” products that were not available in CSP. So, he subscribed to an EA contract. Then he wanted to move resources from CSP to EA. However, he had a lot of dependent resources inside several resource groups. This topic shows you how to make this migration.

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Azure

Even if you know all the backup ways and methods, you can always open a door to new knowledge. This time we’re talking about backing up Azure Virtual Machines (VMs), namely creating VM disk snapshots in order to back up a disk manually. But even in this process, you can get automation. How?

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Automating Disk Snapshots, Azure, Azure Runbook, Azure Virtual Machines

Seeing the full picture of how well your Azure is faring can be complicated. It can be quite problematic to consolidate its workloads visually into comprehensive documentation. Subsequently, the reports to customers on the cloud’s effectiveness can come out as too cumbersome. It can also be hard for your team and partners to assess its input into your business’ IT environment overall.

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Azure, Cloudockit

Tracing your Azure’s health can be quite a challenge. Tons of daily entries delete, update, or create resources in the cloud, and some of these changes may result in a crash. For administrators, identifying which entry caused the error amidst the usual chaotic activity logs can be a problem, which may lead to severe downtime. Luckily, Log Analytics can help you solve such issues in no time.

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Azure Log Analytics, Microsoft Azure

In times when computing technology is moving by leaps and bounds, cloud migration happens quite often. While completely common, this process carries some dangers, such as web applications safety. It becomes an issue since you expose your sites publicly. However, if you move your servers to Azure, this won’t be a problem!

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Azure, HTTP, WAF, Web Application Firewall

Nowadays it’s quite trendy to have penetration testing as a starting point for cybersecurity. Even though penetration testing is a good practice, it’s very limited and focused on one application/product and should therefore not be used as an entry point for cybersecurity.

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Cybersecurity

Everybody knows that access errors are the most irritating ones in any computer-related activity. They become even more confusing if the traditional means to get behind it won’t work. Say, you are trying to connect your VM to a domain, and you get this infamous “access denied” message? Don’t worry that this will bother you.

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Active Directory