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  • [x] Creation time: Last year
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30%
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
30%
Data acquisition with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dmitriy Syechin, 123RF
"------------------------------------------------------" 18 echo -n "Replace stored data line (y)? ";read we 19 if [ "$we" = "y" ]; 20 then 21 22 # Delete line and write to 23 # temporary file 24 25 # Build sed instruction 26
30%
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
30%
Maatkit tools for database administrators
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
tiero, 123RF
of the stress test shown in Figure 2, shows that some 19,200 queries composed of 55 different commands were issued. The system, a server with 768MB of RAM and a Pentium 3 CPU, took a total of 22 seconds to answer
30%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
22 23 24 25 26 27
30%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
="binary" unique="0" required="0"> 18 19 Location of the Asterisk PBX server binary 20 21 Asterisk PBX server binary 22
30%
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
29%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:" 13 summary.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts
29%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
with Linux Debian 5.0.7, Ubuntu 10.10, and openSUSE 11.3. If you don't use Linux, check out the "Other Operating Systems" box. Other Operating Systems If you do not use Linux, you'll need to find out
29%
Tested: Autoconfiguring IPv6 clients
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Benis Arapovic, 123RF.com
, the MAC address (e.g., 00:11:22:33:44:55) is split down the middle, and two bytes containing FF:FE are inserted. This gives you 64 bits. If the basis is a globally unique address (which should be the case

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