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100%
Give your servers the once over with Nmap
31.10.2025
Home
»
Archive
»
2012
»
Issue 11: Cloud...
»
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION
22
/tcp open ssh OpenSSH 4.
3
(protocol 2.0) 25/tcp closed smtp
99%
Building a custom Cyberdeck
07.10.2025
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»
Archive
»
2025
»
Issue 89: Autom...
»
experimenting with the keyboard-integrated computer format so popular back in the age of Commodore's Amiga and
C
64 machines, launching the Pi 400 [
3
] and its recent upgrade, the Pi 500 [4], soon after the launch
98%
Netcat – The admin's best friend
31.10.2025
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»
Archive
»
2012
»
Issue 12: NAS S...
»
seconds, for example: # nc -p 16000 -w 30 examplehost.tld
22
If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.
3
97%
Security without firewalls
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
\Process\: %d (pid %p)\
n\User\:%u\n
\Host\: %
c\n
\Date\: $(date)\
n
\" | /usr/bin/mail -s "Connection to %d blocked" chrisbinnie@email.com) & The SPAWN command has lots of other uses, including communicating
97%
openlava – Hot resource manager
31.10.2025
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»
Archive
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2012
»
Issue 12: NAS S...
»
.cluster.openlava #----------------------------------------------------------------------- # T H I S I S A O
N
E P E R
C
L U S T E R F I L E # # This is a sample cluster definition file. There is a cluster # definition file for each cluster. This file's name should be # lsf
97%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
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»
Archive
»
2012
»
Issue 11: Cloud...
»
.1_release_notes oVirt Installation Guide: http://www.ovirt.org/w/images/
a/a
9
/OVirt-
3
.0-Installation_Guide-en-US.pdf ... Version
3
.1 of the oVirt management platform for virtual infrastructures has recently become available. On Fedora 17, the new release is easy to install and deploy. ... oVirt
3
.1 ... Managing virtual infrastructures with oVirt
3
.1
96%
Creating and evaluating kernel crash dumps
31.10.2025
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»
Archive
»
2012
»
Issue 11: Cloud...
»
kernel sles:~ # grep crash /proc/cmdline root=/dev/disk/by-uuid/10
a
83ffe-5
a
9
f-48
a
2-b8cb-551
c
2cc6b42d resume=/dev/sda
3
splash=silent text showopts crashkernel=128 sles:~ # /etc/init.d/boot.kdump status
94%
Dynamic routing in Linux with Quagga
31.10.2025
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Archive
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2012
»
Issue 12: NAS S...
»
password 8 ZDF339
a
.20
a
3
E 05 log file /var/log/quagga/zebra.log 06 service password-encryption 07 ! 08 interface eth0 09 multicast 10 ipv6 nd suppress-ra 11 ! 12 interface eth1 13 ip address 10
92%
Moving HPC to the cloud
31.10.2025
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2012
»
Issue 11: Cloud...
»
of options, including dual four-core Xeon, dual six-core Xeon, or quad 12-core AMD processors ranging in speed from
2.2
to 2.
9
GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per