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24%
Managing virtual machines
30.11.2025
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© Igor Klimov, 123RF.com
VALUES ('$hostname', '$ip', 'A', 86400, $time, 1, 0)/; 21 } else { 22 $sql = qq/UPDATE records SET content = '$ip' WHERE name = '$hostname'/; 23 } 24 $sth->finish(); 25 $dbh->do($sql) or warn $dbh
24%
Business continuity for small to medium-sized enterprises
30.11.2025
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© Andrea, Fotolia.com
. In the test scenario, I defined a backup schedule with the following settings: Schedule: weekly Daily full backup: Monday – Friday 20:00 Daily incremental backup: Monday – Friday 08:00--18:00, 30
24%
Parallel Programming with OpenCL
04.11.2011
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     { 38        float convolutionSum = 0.0f; 39  40         // Iterate over convolution kernel 41         for(size_t ky = 0; ky < kernel.height; ++ky) 42         { 43             for(size_t kx = 0; kx
24%
Tuning I/O Patterns in Python
18.12.2013
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2P). Listing 2P: Python Code Example with Output in Loop (One-by-One) 1 #!/usr/bin/python 2 3 if __name__ == "__main__": 4 5 local_dict = {'x':0, 'y':0, 'z':0,'value':0.0}; 6 7 counter
24%
S3QL filesystem for cloud backups
09.01.2013
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Lead Image © stylephotographs, 123RF.com
metadata... 18 Wrote 0.00 MiB of compressed metadata. After creating an S3QL filesystem, I checked the mountpoint, /mnt/data1 (Listing 2). A few files are created as a result of the S3QL filesystem
24%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
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Lead Image © bluebay, 123rf.com
)]> select load_file('/etc/passwd'); +----------------------------------------------(...) + | load_file('/etc/passwd') (...) + | root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/bin/sh bin:x:2:2
24%
SSH Administration – Windows in a Unix World
30.11.2025
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Gino Santa Maria, 123RF.com
to a remote host, allow this with the command $ xhost + and then export your display to the remote host on which you want to view the applications. $ export DISPLAY=hostname:0.0 On the system ... 0
24%
Reading and understanding database execution plans
31.10.2025
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© Gunnar Pippel, 123RF.com
on employees e (cost=0.00..1672.00 rows=10000 width=1035) 1  Prefixing the SQL query with EXPLAIN displays the execution plan. 2  The cost values are shown for each subtree of the execution plan. Postgre
24%
Detecting malware with Yara
09.10.2017
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Lead Image © Mohamad Razi Bin Husin, 123RF.com
= "A pdf file that contains a bad link" 10 11 strings: 12 $pdf_magic = {68 47 77 22} 13 $s_anchor_tag = "0 and (#s
24%
Cross-Vendor IPsec
25.10.2011
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-interface st0.0; 16 ike { 17 gateway racoon; 18 proxy-identity { 19 local 192.168.1.0/24; 20 remote 192.168.2.0/24; 21 service any; 22 } 23

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