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8%
Monitor and optimize Fibre Channel SAN performance
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © 3dkombinat, 123RF.com
; the FC frames are forwarded to multiple locations along the way in the B2B process, as is the case whenever an HBA or a storage port communicates with a switch port or two switches exchange data with each
8%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Shariff Che'Lah, 123RF.com
check) or as RC scripts. Listing 2 CUPS Monitoring 01 #! /bin/sh 02 03 while true 04 do 05 06 lpq -Plp | grep -q "lp is ready" 07 08 if [ $? -gt 0 ] 09 then 10 cupsenable lp 11 fi 12
8%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
.40 0.00 0.54 1.66 0.00 96.39 Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 393.19 2.17 137.48 2
8%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
names as targets. Thus, you could launch a connection scan of ports 0 through 1023 in the lemon.com domain by entering nmap -sT -p 0-1023 www.lemon.com . To scan a whole network, enter the netmask ... 0
8%
Opportunities and risks: Containers for DevOps
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ping Han, 123RF.com
FS, so if manual updates are still required, the number of affected installations will be small. 2. Reproducible Containers As elegant as the OverlayFS solution may be, it might not fit situations
8%
Risk mitigation for Active Directory
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by cdd20 on Unsplash
, information from the community, and trial and error. In any case, you will want to deactivate the print spooler services on your Tier 0 systems permanently (Figure 2). If you set up shared printers in your AD
8%
How graph databases work
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © iofoto, Fotolia.com
of URI for the designation of Internet pages). The elements of an RDF triple, the URIs, are plain references – or simple literals in the case of some objects – that have no internal structure. One
8%
Setting up Exchange Server 2010 with SP1
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Francois Lariviere, 123RF.com
the installation, the Exchange management console will appear. Troubleshooting In some situations, the server installation will fail. In this case, you can press Retry to attempt to install the corresponding
8%
File access optimization discovery and visualization
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by Barnabas Davoti on Unsplash
and classification 0 cannot be optimized and appear in red. The panel shows points with values 1 and 2 in green, indicating that the cases can be optimized. If a point has value 3 and contains a function that cannot
8%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
and configure the options. Of the many available options, you only need to worry about making changes to a handful of configuration variables. Figure 2: Raspi

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