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19%
Professional backup solutions compared
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Kamil Macniak, 123RF
) with 12 Serial ATA disks, a 320 UW SCSI controller for the host connection, and 512MB cache. I configured various disk groups and logical volumes on this powerful hardware and exported them to the backup
19%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Mike Flippo, 123RF
OS*) 15 PING="ping" 16 PING2="" 17 ;; 18 esac 19 ... 20 21 for i in server1 server2 server3 workstation1 workstation2 22 do 23 $PING $i $PING2 > /dev/null 24 if [ "$?" != "0
19%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Shariff Che'Lah, 123RF.com
is not accessible! ****************" >> dba.log 15 /usr/local/etc/rc.d/002pgsql.sh start 16 sleep 15 17 psql -U monitor -d monitor -c "select * from watch;" 18 19 if [ $? -eq 0 ]; 20 21 then 22
19%
Boost performance of your Python programs
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Eric Isselée, 123RF
(number, label): 07 for i in xrange(number): 08 print ' ' + str(i) + ' ' + label 09 sleep((number - 15)/10.0) 10 11 if '__main__' == __name__: 12 13 p1 = Process(target = count, args = (20
18%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
/openvpn/keys/CA.crt 08 cert /etc/openvpn/keys/server.crt 09 key /etc/openvpn/keys/server.key 10 tls-auth /etc/openvpn/keys/tls-auth.key 11 12 server 192.168.1.0 255.255.255.0 13 14 keepalive 10 60 15 comp-lzo 16 17
18%
Data acquisition with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dmitriy Syechin, 123RF
clear 03 while true 04 do 05 echo "New record" 06 maxrecord=`ls -1 *.dat | sort | tail -1 | cut -d. -f 1` 07 newrecord=$(echo $maxrecord + 1 | bc ) 08 width=`echo $newrecord | wc -c` 09 10 ... 11 12
18%
Container and hardware e-virtualization under one roof
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Maxim Kazmin, 123R
.6.24 and 2.6.32.2C (the latter with KVM_0.12.4 and gPXE) on its website; you can install the updates manually after installing Proxmox VE and performing a system upgrade: apt-get update apt-get upgrade apt
18%
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
18%
Performance testing monitoring solutions
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kheng Ho Toh, 123RF.com
were run on a virtual system (using ESX as the hypervisor) with fixed reservations for CPU and memory. To be more precise, I used a virtual CPU running at 1.5GHz and with 512MB of RAM in the virtual
18%
Using the Expect scripting environment
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Ivan Mikhaylov, 123RF.com
$spin 08 @$molecule.xyz 09 10 END 11 12 done 13 done The Gaussian 09 (g09) computational chemistry simulation package uses a small input that tells it what type of predictions are desired and which

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