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28%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
 purpose            Running: Linux 2.6.X            OS details: Linux 2.6.20-1 (Fedora Core 5)            TRACEROUTE (using port 80/tcp)            HOP RTT   ADDRESS            [Cut first seven hops
28%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
closed auth Device type: general purpose Running: Linux 2.6.X OS details: Linux 2.6.20-1 (Fedora Core 5) TRACEROUTE (using port 80/tcp) HOP RTT
28%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
: [laytonjb@home4 ~]$ pdsh -w 192.168.1.250 uname -r 192.168.1.250: 2.6.32-431.11.2.el6.x86_64 The -w option means I am specifying the node(s) that will run the command. In this case, I specified the IP
28%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
/var/chroots/sl6.2/etc/rc.d/rc.local ): [root@test1 rc.d]# more rc.local #!/bin/sh # # This script will be executed *after* all the other init scripts. # You can put your own initialization stuff
28%
Kubernetes StatefulSet
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Photo by Ashley Light on Unsplash
You can also use exactly the same principle to create stateful sets for PostgreSQL or Microsoft SQL servers in containers. For PostgreSQL, use port 5432 instead of 3306 and the postgresql
28%
Scale-out with PostgreSQL
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Alberto Andrei Rosu, 123RF.com
--name yb2 --hostname yb2 --net=yb -p5432:5433-p7002:7000 yugabytedb/yugabyte:latest yugabyted start --daemon=false --listen yb2 --join yb1 $ docker run -d --name yb3 --hostname yb3 --net=yb-p5433:5433 -p
28%
Exploring OpenShift – Red Hat's next-generation PaaS tool
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
(C) Markus Feilner, CC-BY-SA 4.0
; Figure 3) [6], and Project Atomic, "a lean and mean OS built for containers" [7] looks promising, despite the beta state. If you want to dive deeper into the underlying technology, the OpenShift blog
28%
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
28%
Arp Cache Poisoning and Packet Sniffing
05.09.2011
Home »  Articles  » 
 
can see how the arp cache poisoning works: $ sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 \ -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2:78:9E \ -H 00:22:6E:71:04:BB -M 00:0C:29:B2:78:9E
28%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Franck Boston, fotolia.com
of important features). All of the NAS devices in our lab used Intel processors and supported popular RAID levels, at least 1 and 5; the better devices also offered a dual-parity variant like RAID 6. (See

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