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18%
The practical benefits of network namespaces
15.08.2016
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Lead Image © Morganimation, fotolia.com
). The namespaces API comprises three system calls – clone(2), unshare(2), and setns(2) – as well as a few /proc entries. Processes in user space open files with /proc//ns/ and use their file descriptors to stay
18%
Requirements for centralized password management
18.07.2013
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ccvision
-pairs-of-eyes principle for certain password entries or for specific user groups. Is the Seal Intact? Formerly, the integrity of a seal indicated whether a message had been opened and thus whether the content had been
18%
Asynchronous PostgreSQL
12.09.2013
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Lead Image © Fesus Robert, 123RF.com
. There are some new lines: 5 and 12 to 22. Line 22 installs the sig function as a signal handler for SIGTERM. When the signal arrives, line 13 opens a new connection to the database and calls the pg
18%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
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Photo by Emma Simpson on Unsplash
the stack in one place: Open Cluster Framework (OCF)-standard resource agents are used to manage the virtual machines from Reactor [7]. Keeping Things Simple Linbit can rightly be accused of having
18%
A Management Platform for the Internet of Things
10.12.2013
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machine, and dishwasher start talking to the web; and your car is online – so is your heating and the air conditioning. All the doors in your house are, as well (so you know what you left open). Your kids
18%
Build a Network Attached Storage System with FreeNAS
10.12.2013
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, and he spawned FreeNAS – Free, as in freely available (open source) and based on FreeBSD, and NAS, as in Network Attached Storage. Before long, a vibrant community formed around the project, and Free
18%
Tricking Intruders with HoneypotMe
26.10.2012
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is being made to open a TCP connection to a closed port. HoneypotMe achieves this by checking for incoming SYN packages to see whether a corresponding receiver socket is bound to the requested port. When
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Refurbished: Windows 2012 Active Directory
10.12.2012
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menu of a server, administrators can restart the server remotely over the network, start a PowerShell session on the server, or open an RDP connection. Installation of roles and features over the network
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Linux Essentials for Windows Admins – Part 1
10.07.2012
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ago, a friend forwarded me a Windows Administrator job opening that listed the following as primary requirements: Windows System administration of SQL database NetBackup VMware Linux
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Nmon: All-Purpose Admin Tool
17.12.2014
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mentioned mpstat , which I use to see whether my OpenMP code is taking advantage of local cores. In this article, I’m going to examine a more comprehensive tool that can give you a quick glance at node

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