Mean time between failures – Mean time between failures (MTBF) is the predicted elapsed time between inherent failures of a mechanical or electronic system, during normal system operation. MTBF can be calculated as the arithmetic mean (average) time between failures of a system. The term is used for repairable systems, while mean time to failure…[Read more]

Openfiler – Openfiler is an operating system that provides file-based network-attached storage and block-based storage area network. It was created by Xinit Systems, and is based on the rPath Linux distribution. It is free software licensed under the GNU General Public License version 2. Its software stack interfaces with open source third-party…[Read more]

Server Message Block

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Network-attached storage

Network-attached storage – Wikipedia

https://en.wikipedia.org/wiki/Network-attached_storage

Network-attached storage (NAS) is a file-level computer data storage server connected to a computer network providing data access to a heterogeneous group of clients. NAS is specialized for serving…

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What is IKE Internet Key Exchange – In computing, Internet Key Exchange (IKE, sometimes IKEv1 or IKEv2, depending on version) is the protocol used to set up a security association (SA) in the IPsec protocol suite. IKE builds upon the Oakley protocol and ISAKMP.[1] IKE uses X.509 certificates for authentication ‒ either pre-shared or distributed u…[Read more]

Multiprotocol Label Switching

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VeraCrypt – Free Open source disk encryption with strong security for the Paranoid

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TSIG – TSIG (Transaction SIGnature) is a computer-networking protocol defined in RFC 2845. Primarily it enables the Domain Name System (DNS) to authenticate updates to a DNS database. It was most commonly used to update Dynamic DNS or a secondary/slave DNS server. TSIG uses shared secret keys and one-way hashing to provide a cryptographically…[Read more]

Linux and Unix cut command tutorial with examples – Tutorial on using cut, a UNIX and Linux command for cutting sections from each line of files. Examples of cutting by character, byte position, cutting based on delimiter and how to modify the output delimiter.

Linux and Unix cut command tutorial with examples | George…

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HOW TO RUN SAME COMMAND ON MULTIPLE SCREEN SESSIONS – PARALLEL RUN COMMANDS WITH GNU SCREEN ON MULTIPLE SSH ACCESSED SERVERS
Once you re used to the multiple windows, you might run into a situation where you want to send a same command to several of these open windows. Screen provides in the “at” command to do this. First you ll need to open com…[Read more]

DNS Hidden Master – InetDaemon’s IT Tutorials – Hidden master” is the term given to describe a special DNS configuration that protects the master DNS server from attack. This configuration conflicts with the expected standard configuration and registration process, and will often confuse most inexperienced DNS administrators. As if this weren’t…[Read more]

OpenRC

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How to fix stale NFS mounts on linux without rebooting – Joe’s Blog

Sarbanes–Oxley Act

Sarbanes–Oxley Act – Wikipedia

https://en.wikipedia.org/wiki/Sarbanes%E2%80%93Oxley_Act

The Sarbanes–Oxley Act of 2002 (Pub.L. 107–204, 116 Stat. 745, enacted July 30, 2002), also known as the “Public Company Accounting Reform and Investor Protection Act” (in the Senate) and “Corporate…

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Тропар на св.Порфирий Атонски/Apolitikio Osios Porfirios

Свети Порфирий – Един метод за борба с врага

Porphyrios (Bairaktaris) of Kafsokalivia

Porphyrios (Bairaktaris) of Kafsokalivia – Wikipedia

https://en.wikipedia.org/wiki/Porphyrios_(Bairaktaris)_of_Kafsokalivia

Saint Porphyrios (Bairaktaris) the Kapsokalyvite (7 February 1906 – 2 December 1991) was an Athonite hieromonk known for his gifts of spiritual d…

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Today on 2nd of November in Orthodox Christian Church we celebrate the memory of Porphyrios (Bairaktaris) of KafsokaliviaЛучшие советы старца! Порфирий Кавсокаливит

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