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24%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
) Call: lm(formula = Sessions ~ wday + month, data = datPrep[datPrep$isTrainData, ]) Residuals: Min 1Q Median 3Q Max -464.80 -61.88 -6.52 62.38 479.19 Coefficients
24%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
DHCP exist: one from 4:00am and one from 3:00pm. With the bro-cut command, I can determine that the earliest assignment by the rogue server was at 4:04am and assigned the address 192.168.1.27 (Listing 7
24%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
--------><----------Disks-----------><----------Network----------> #cpu sys inter ctxsw KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut 3 1 1421 2168 0 0 41000 90 0 2 0 0 3 2 1509 2198 64 2 49712
24%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
has some capabilities [3] that sar does not have. A collection of supporting tools [4] can also help collectl gather and post-process data. Collectl is easy to install if Perl is already installed
24%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
.json files (Listings 1 and 2) [2] to launch a Monitoror stack and supply its configuration, respectively. Listing 1 monitoror_stack.yml 01 version: '3.5' 02 services: 03 monitoror: 04
24%
pfSense firewall and router distribution
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Sergey Mironov, 123RF.com
access point, a DNS server, and even a WLAN access point. Despite all this, the complete system weighs in at just 100MB, and to get started, you just need a USB stick and 128MB of RAM. If the built
24%
Graphical management solutions for Docker
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Elena Rouame on Unsplash
runs on 64-bit operating systems, requiring systemd along with KVM and Qemu version 5.2 or newer for virtualization. It needs at least 4GB of RAM, and the developers recommend KDE Plasma, Gnome, or Mate
23%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
Installing jails is not difficult, but the configuration requires care. After all, it's all about security. Commands can only be executed by the root user. To set up a jail, you need at least 150MB of free
23%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
is to find out whether it runs on the master node when it is booted by using the chkconfig command: [root@test1 etc]# chkconfig --list ... nfs 0:off 1:off 2:off 3:off 4:off 5:off 6

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