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Creation time
: Last year
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Article (Print)
(61)
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(3)
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49%
The fine art of allocating memory
30.11.2025
Home
»
Archive
»
2012
»
Issue 10: Traff...
»
); i+= 4096) newblock[i] = 'Y'; 12 printf("Allocated %d
MB\n
", allocation); 13 } 14 } Things are more interesting when memory is being used. Uncommenting line 11 does just that. The OOM
49%
Network backup with Burp, Obnam, and Backshift
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
Estimate For example, burp -s l shows you the existing backup on the server ("list"), whereas burp -
a
l -b
2
lists all the files in backup number
2
. If you want to see all the files in all
49%
Julia: A new language for technical computing
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
julia> limulus limulus limulus limulus
n
2
n
0
n
2
n
0 To get a better feel for parallel computation, I can run the example from the Julia documentation [
9
]. First, see how it works on one node
49%
RAM revealed
30.11.2025
Home
»
Archive
»
2011
»
Issue 6: Perfor...
»
chips with 128Mx8 organization (1-Gb chips) 5.132
2
.57 AL28M72
A
8BJH
9
S 1 DDR3, Registered, ECC, 1 rank
2
.241
2
.24 AQ12M72E8BKH
9
S 4
49%
ARP cache poisoning and packet sniffing
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
Destination MAC address Listing 1 Nemesis arp Packets 01 $ while true 02 > do 03 > 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:B
2:78:9
48%
An IT nomad's diary
30.11.2025
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»
Archive
»
2011
»
Issue 5: Pen Te...
»
idea to choose an intuitive name. Listing
2
shows an example. Listing
2
Your Own Domain in OpenShift 01 # rhc-create-domain -
n
tuxgeek -l tscherf@gmail.com 02 Password: 03 Generating
48%
Data acquisition with shell tools
30.11.2025
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»
Archive
»
2010
»
Issue 2: Backup...
»
|21|" | cut -d\| -f3` 48 b=`cat $newdat | grep "50|25|" | cut -d\| -f3` 49 50
a
=$(echo $
a
| tr \, \.) 51 b=$(echo $b | tr \, \.) 52 53 54 psum=$(echo "$
a
+$b" | bc ) 55 echo -
n
"Invoice amount: $psum, continue ...
2
48%
Managing virtual machines
30.11.2025
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»
Archive
»
2012
»
Issue 09: Windo...
»
filesystem, if so desired [5]: $ guestfish -
N
fs:ext3 When you call Guestfish with the new image, $ guestfish -
a
you are taken to a shell where you first need to enter run to toggle the system ...
9
48%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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»
Archive
»
2010
»
Issue 0: Active...
»
-APIC-fasteoi pciehp, ath
9
k 10 18: 0 0 IO-APIC-fasteoi uhci_hcd:usb4 11 19: 2384012 0 IO-APIC-fasteoi ehci_hcd:usb1 12 20: 199725 0 IO-APIC-fasteoi uhci_hcd:usb
2
13 21
48%
Warding off the rise of VoIP spam
30.11.2025
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»
Archive
»
2010
»
Issue 0: Active...
»
. Listing 1 A SIP Request 01 INVITE sip:bob@tuwien.ac.at SIP/
2
.0 02 Via: SIP/
2
.0/UDP myhost.myprovider.de;branch=z
9
hG4bK776asdhds 03 ... 04 To: Bob
05 ... 06 From: Alice
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