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  • [x] Creation time: Last three months
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15%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54 22.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8
15%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
expressions # tcpdump -n -I eth1 host 10.10.253.34 and host 10.10.33.10# tcpdump -n -I eht1 src net 10.10.253.0/24 and dst net 10.10.33.0/24 or 192.5.5.241# tcpdump -n -I eth1 src net 10.10.30.0
15%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
( ) Used for grouping and back references \n Back reference: Expands to whatever matched the n th ( ) pattern Suffixes How Many to Match ? 0 or 1 * 0
15%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
, Fedora) to postpone the move to Btrfs as the standard filesystem. Conveniently, the latest long-term support version of Ubuntu, 12.04, was released at the end of April based on kernel version 3
15%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
Manager (CLVM) is used to mount the shared storage. Architecture The two physical cluster nodes in this article each have four network cards: eth0 through eth3 . The first (eth0 ), and third (eth2 ... 0
15%
Connecting dissimilar IPsec implementations
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Yuri Arcurs, 123RF.com
endpoint1=192.168.80.0/24 07 endpoint2=192.168.2.0/24 08 action=requireinrequireout 09 auth1=computerpsk 10 auth1psk="test123" 11 qmsecmethods=esp:sha1-3des 12 qmpfs=dhgroup2 If you need
15%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
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
15%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
node1 192.168.56.101 (eth1) 10.0.2.1 (eth0) node2 192.168.56.102 (eth1) 10.0.2.2 (eth0) node3 192.168.56.103 (eth1) 10.0.2.3 (eth0
15%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
on hand; it is available on the web [2]. You will also find it useful to have the current version 1.0.2 [3] of the OCF Resource Agent Developer's Guide , created by Hastexo's Florian Haas. The Developer
15%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Mike Flippo, 123RF
="" 04 PING="ping -c1 -w 3" 05 PING2="" 06 07 case $OS in 08 HP-UX*) 09 PING=ping 10 PING2="-n 1" 11 RSH="remsh" 12 RSH2="-l user" 13 ;; 14 Sun

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