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30.11.2025

Home » Archive » 2012 » Issue 10: Traff... »

temporarily with Listing 5 Error Messages sh: /sbin/ifconfig: Permission denied 120405 8:29:02 [ERROR] WSREP: Failed to read output of: '/sbin/ifconfig | \ grep -m1 -1 -E '^[a-z]?eth[0-9

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Targeted defense against brute force attacks

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

-N sshguard The second command handles IPv6 packets. The next step is to extend the input chain so that network traffic is routed through the sshguard chain (Figure 2): sudo iptables -A INPUT -j ... 3

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OpenVPN with e-tokens in large-scale environments

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

version [9]. Listing 3 /etc/openvpn/ccd/John_Doe 01 # John Doe 02 ifconfig-push 192.168.1.3 255.255.255.0 03 push "topology subnet" 04 push "redirect-gateway" 05 push "dhcp-option DNS 192

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Archiving email and documents for small businesses

30.11.2025

Home » Archive » 2012 » Issue 08: FreeNAS »

} 20 \usepackage{ngerman} 21 \usepackage[official,right]{eurosym} 22 \\\begin{document}" > att1.tex 23 echo "\end{document}" > att3.tex 24 25 # Merge Latex file components 26 27 cat att1.tex searchkey

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Monitor your nodes with collectl

30.11.2025

Home » Archive » 2012 » Issue 09: Windo... »

25-E SSD [9] courtesy of Intel is mounted as /dev/sdd ext4 filesystem with the default options Open MPI [10] v1.5.4 NAS Parallel Benchmarks 3.3.1-MPI [11] Iozone [12] Daemon ... 9

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Mandatory access control with Tomoyo Linux

30.11.2025

Home » Archive » 2012 » Issue 09: Windo... »

compared with version 1.x are noticeable in Tomoyo versions 2.2.x and 2.3.x; the current version 2.5 only lacks a couple of features. Unfortunately, version 2.5 is only available in Linux kernel 3.2, which ... 9

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An IT nomad's diary

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

is all it takes to create your own application, just like for the domain (Listing 3). Listing 3 Creating the Application 01 # rhc-create-app -a spaceuploader -t perl-5.10 -l tscherf

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Security without firewalls

31.10.2025

Home » Archive » 2012 » Issue 12: NAS S... »

\Process\: %d (pid %p)\n\User\:%u\n\Host\: %c\n\Date\: $(date)\n\" | /usr/bin/mail -s "Connection to %d blocked" chrisbinnie@email.com) & The SPAWN command has lots of other uses, including communicating

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Touring the top Knoppix debugging and rescue tools

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

: 1487680 0 IO-APIC-fasteoi uhci_hcd:usb3 14 22: 22998855 0 IO-APIC-fasteoi psb@pci:0000:00:02.0 15 23: 3084145 0 IO-APIC-fasteoi hda_intel 16 24: 1 0

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A first look at Apache 2.4: Web server for the cloud

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

) as a reverse proxy. Although Apache is already being used in this way by quite a few organizations, it's clear that the 2.2 series is not optimized for that use case, which is one reason why Nginx is seeing ... High performance and cloud suitability are the thrust of Apache 2.4. We give you the lowdown on transitioning your Apache HTTP Server from 2.2 to 2.4. ... 3

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