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16%
Linux Storage Stack
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © arsgera, 123RF.com
, FC HBAs, etc. 3.17 NVMe /dev/nvme* NVMe SSDs (e.g., Intel SSD DC P3600 and P3700 series 3.19 rbd /dev/rdb* RADOS block device (Ceph) 4.0
16%
Automation with PXE Boot
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Sergey Jarochkin, 123RF.com
OS server. PXE (or Preboot eXecution Environment) started in the early 1990s as an improvement to a series of protocols used to bootstrap diskless clients. The idea was to provide a complete boot
16%
Flexible software routing with open source FRR
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Sahand Babali on Unsplash
network 192.0.2.0/31, the FRR configuration can take place. I used VTYSH for the parameterization work. Listing 3 shows the configuration components for eBGP. This example is only to illustrate
16%
PowerTOP
21.10.2011
Home »  Articles  » 
 
-saving functions in kernel 2.6.37. Future distributions of Ubuntu 11.04 and openSUSE 10.4 will use this version. Additionally, PowerTOP 2.0 accesses the kernel’s “perf” infrastructure to retrieve more precise data
16%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
on hand; it is available on the web [2]. You will also find it useful to have the current version 1.0.2 [3] of the OCF Resource Agent Developer's Guide , created by Hastexo's Florian Haas. The Developer
16%
Kolab iRony with CalDAV and CardDAV support
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Pablo Hidalgo, 123RF.com
installation of Kolab 3.0 and later is a matter of one or two cups of coffee and does not impose too many requirements on the admin. The Kolab developers recommend a recent CentOS (preferably 6.4) as the basis ... Open standards and open source are requisite in Kolab groupware. The alpha release of version 3.1 hugely extended the number of compatible clients with the CalDAV and CardDAV protocols, making Kolab
16%
Ongoing Cyberattack Prompts New CISA Guidance for Communications Infrastructure
05.12.2024
Home »  News  » 
 
Management Protocol (SNMP), ensure only SNMP v3 with encryption and authentication is used, along with ACL protections against unnecessary public exposure. Disable all unnecessary discovery protocols
16%
HPC fundamentals
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Kasia biel, 123RF.com
st 192.168.1.4: 1 0 0 30198704 286340 751652 0 0 2 3 48 66 1 0 98 0 0 192.168.1.250: procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- 192
16%
News for Admins
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
 
impacted platforms at risk. Systems using ME Firmware versions 11.0/11.5/11.6/11.7/11.10/11.20, SPS Firmware version 4.0, and TXE version 3.0 are impacted." The affected products include the sixth, seventh
16%
A swap space primer
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
to investigate the configuration of swap space is to check /proc/swaps directly (Listing 1) or with the equivalent swapon -s. Listing 1 /proc/swaps 01 $ more /proc/swaps 02 Filename Type

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