Tag: technology
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Application I/O Characteristics
ReadThere are many unknown factors and randomness when a solution architect determines storage requirement for an application. However, this process should still be as scientific…
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Lightsail – create a WordPress site in one hour
ReadMy challenge with my just revived wordpress.com site is the plug-ins. Even paid premium users cannot install plug-ins for diagram, etc. I don’t want to…
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Interesting terms and principles
ReadIt is enlightening to find out that several things that I struggled at different times in professional life are actually experienced by many predecessors. Some…
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Redhat Firewall configuration: from iptables to firewalld
ReadTools to manage firewall Packet filter rules in Linux Kernel is managed by an user-space application named iptables in CentOS and RedHat. Since CentOS 7,…
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A review of vSphere virtualization technologies
ReadThis post is a summary of VMware’s white paper Introduction to VMware vSphere. ESXi is the hypervisor (virtualization layer) on bare metal servers that abstracts…
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DICOM data encoding
ReadDICOM is a standard for medical imaging exchanges, originally in radiology, but later expanded into other departments where mass imaging data are acquired, such as…