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20%
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
20%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
20%
Tracing applications with OProfile and SystemTap
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© boing, Photocase.com
686 oprofile-0.9.5-4.fc12.i686 To profile the kernel, you need to tell OProfile where the kernel image is located with the --vmlinux option: opcontrol --setup --vmlinux=/usr/lib/debug/lib/ modules
20%
Successful automatic service detection
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dmitriy Denysov, 123RF.com
to find out more details about specific services. Listing 1 Nmap Command root@sandbox:~# nmap -v -A www.haribo.de ... Host www2.haribo.com (213.185.81.67) is up (0.011s latency). Interesting
20%
Data acquisition with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dmitriy Syechin, 123RF
# If the line already exists .... 13 if [ $back -eq 0 ]; 14 then 15 echo "############### Line already exists! #############" 16 grep $keyfield $newdat 17 echo
20%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
 
will be accepted through April 10, 2011. Look for more on the Contegix website http://www.contegix.com/. Icinga v1.3.0 Released with Dual-Stack Support By now
20%
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
20%
Linux small business servers compared
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Umzugskartons, fotolia.
.2-2 Community Edition used for this test is also available in a 32-bit version and as a virtual machine image. According to the Zentyal roadmap, version 3.0 was about to be released at the time of testing
20%
Container and hardware e-virtualization under one roof
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Maxim Kazmin, 123R
-On The current v1.5 of Proxmox VE from May 2010 [1] is based on the Debian 5.0 (Lenny) 64-bit version. The Proxmox VE kernel is a standard 64-bit kernel with Debian patches, OpenVZ patches for Debian, and KVM
20%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
depends on the liblzo2-2, libpkcs11-helper1, openssl-blacklist, and openvpn-blacklist packages. The next step is to set up your own Public Key Infrastructure (PKI). OpenVPN provides a software tool

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