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25%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
: 09 bb:0f:e3:7f:3e:ab:c3:5d:32:78:85:04:a2:da:f1:61 root@host1 You need to distribute the public part, that is the /root/.ssh/id_rsa_cluster.pub file, to all nodes in the cluster. The Strict
25%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
version [9]. Listing 3 /etc/openvpn/ccd/John_Doe 01 # John Doe 02 ifconfig-push 192.168.1.3 255.255.255.0 03 push "topology subnet" 04 push "redirect-gateway" 05 push "dhcp-option DNS 192
25%
Sharing Linux Terminals
13.07.2022
Home »  HPC  »  Articles  » 
. Figure 5: Terminal after creating a new tmux window. To cycle through windows, press Ctrl+B-n (next), Ctrl+B-p (previous), or Ctrl+B-x  (where x =0-9) to go to a specific window. If you type Ctrl
25%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
of this attack, including a description, walk-through, and exploit is available at Exploit-DB [11]. Over the years, I've made use of a Perl script that reduces very long W3C Apache log entries down to just
25%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
.0.0.0 -c Clusterware to use corosync, zookeeper: -D Use direct I/O on the back end n/a -g Work as a gateway (server without back
25%
Exploring Nmap's scripting engine
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
– A common language makes the script portable to Nmap systems on other platforms. (A Bash script, on the other hand, would work well in Linux but might not work on a Windows system.) Community
25%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
'^$' | sort -n | uniq -c | awk '$1 >= '${BLOCK_PREFIX_THRESHOLD}' {print $2" "$3}'` 174 175 # echo "${PREFIXES}" 176 for P in $( echo "${PREFIXES}" | awk '{print $2}' ); do 177 DEL_IPS=`echo "${QUERY
24%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
0 0 37928 84 0 1 0 0 08 3 1 1405 2170 0 0 52272 114 0 0 0 0 09 1 0 1267 2125 0 0 6152 14 0 0 ... 9
24%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
already installed and latest version Package redhat-rpm-config-9.0.3-34.el6.sl.noarch already installed and latest version Package rpm-build-4.8.0-19.el6_2.1.x86_64 already installed and latest version
24%
Warding off the rise of VoIP spam
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Izaokas Sapiro, 123RF.com
:alice@somesipprovider.de>;tag=42 07 Call-ID: a84b4c76e66710de5f90ae275 08 Contact: Alice 09 ... The media data transferred in the course of a voice or video call are typically transported one

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