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17%
Better monitoring for websites and certificates
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Lead Image © amasterpics123, 123RF.com
to check whether a site was online or not. Today, aspects such as load balancers, encrypted transport paths, and different HTTP versions play a role. For more than 20 years, monitoring systems have relied
17%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
in Number of threads in use is 4 Thread 1 Checking in iter,gdel: 10 0.2402E-01 iter,gdel: 20 0.1210E-01 iter,gdel: 30 0.8080E-02 iter,gdel: 40 0.5984E-02 iter
17%
Open source ticket system
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Photo by Toa Heftiba on Unsplash
. The platform also comes with secure email communication that supports OAuth 2.0 for POP3 and IMAP email protocols to enable modern and secure authentication for the retrieval of email from services
17%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
17%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
and resulting in speculative execution resets. Removing conditionals present inside the loop, for example, for (i = 0; i < 20; i++) { if (i % 2 == 0) { even(i); } else { odd(i); } count
16%
The RADOS object store and Ceph filesystem: Part 2
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kateryna Pruchkovska, 123RF.com
? The first part of this workshop demonstrated how an additional node can be added to an existing cluster using ceph osd crush add 4 osd.4 1.0 pool=default host=daisy assuming that daisy is the hostname
16%
Pushing Raspberry Pi storage to its limit
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Lucy Baldwin, 123RF.com
now sports a small FPC ribbon connector exposing a single-lane PCIe 2.0 bus. NVM Express (NVMe) [2] drives connect to the PCIe bus via an M.2 [3] adapter – in this case, to the new M.2 HAT+ released
16%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
allows you to define a 18 # character to toggle this mode off and on. 19 set force_conservative 0 ;# set to 1 to force conservative mode even if 20 ;# script wasn't run
16%
Server validation with Goss
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Ewa Walicka, fotolia.com
or at the Linux command line: curl --location --output /usr/bin/goss https://github.com/goss-org/goss/releases/download/v0.4.9/goss-linux-amd64 chmod +x /usr/bin/goss The process is similar in Windows, where
16%
Better Active Directory with Windows Server 2012
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Sattapapan Tratong, 123RF.com
, for example: Add-WindowsFeature RSAT-AD-PowerShell,RSAT-AD-AdminCenter These commands work in PowerShell 2.0 of Windows Server 2008 R2 and in the new PowerShell 3.0 of Windows Server 2012. Power

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