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45%
Storage system with OpenSolaris and Comstar
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Aleksandr Fomenkov, 123RF.com
initial tests are quite reasonable: 1GB memory, a virtual CPU, about 20GB of disk space, and a bridged network adapter with an Internet connection will do for now. Sun xVM VirtualBox is a good choice
45%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
qemu_x86_defconfigmake menuconfig (build-option, Kernel-Version 3.2, gdb, tty1)makemake linux-menuconfig (debug info) make 3. Compile the module and copy it to the root directory:cd driverexport CROSS
45%
Archiving email and documents for small businesses
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Pavlenko Evgenly, fotolia.com
folder in the email client. This is a link to a directory to which multiple users have access (Figure 2). Figure 2: Archive folder in the email client
45%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
=TR/CN=John_Doe/emailAddress=jd@example.com 07 Serial: 03 08 Serialized id: SafeNet\x20Inc\x2E/eToken/xxxxxxxx/eToken/xxxxxxxxxxxxxxxxxx OpenVPN Management Interface Because Linux systems don't have a crypto store, you need
45%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
, most likely, (3/2) x 15 seconds. Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line sshguard -l /var/log/auth.log -s 20 instructs sshguard
45%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
on the guest system look similar to Listing 2. Listing 2 rc.local 01 #!/bin/sh 02 dnsserver=192.168.111.20 03 hostname=`hostname` 04 ip=`LANG=C /sbin/ifconfig eth0 | grep "inet addr" | awk -F
45%
With great PowerShell comes great responsibility
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© imagesource, 123RF.com
Shell 2.0, which I use here. Windows 8 and Windows Server 8 will use the new PowerShell 3.0, to be released soon. To begin, I introduce PowerShell information retrieval to you via the "Get" commands
45%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
) ! Delta (x and y directions) ... 117 ! Solution Initialization 118 ! +++ !$OMP PARALLEL DO SHARED(m,n,u) 119 DO j=2,m-1 120 DO i=2,m-1 121 u(i,j)=0.0d0 122 ENDDO 123 ENDDO +++ !$OMP END
45%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
_RESKEY_user doesn't exist" 20 return $OCF_ERR_INSTALLED 21 fi 22 23 getent group $OCF_RESKEY_group >/dev/null 2>&1 24 rc=$? 25 if [ $rc -ne 0 ]; then 26 ocf_log err "Group $OCF
45%
Creating and evaluating kernel crash dumps
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Giuseppe Ramos, 123RF.com
of a full-fledged VMware workstation installation. Users who are prepared to experiment can simply copy the tool to a computer of their choice and convert the image there. The vmss2core -N6

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