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90%
Managing virtual machines
30.11.2025
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»
Archive
»
2012
»
Issue 09: Windo...
»
filesystem, if so desired [5]: $ guestfish -
N
fs:ext
3
When you call Guestfish with the new image, $ guestfish -
a
you are taken to a shell where you first need to enter run to toggle the system ...
9
89%
Julia: A new language for technical computing
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
)* Julia Python MATLAB Octave R JavaScript v
3
f670da0 v2.7.1 vR2011
a
v
3
.4 v2.14.2 v8
3
.6.6.11 fib 1.97 31
89%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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»
Archive
»
2012
»
Issue 07: Xen v...
»
:add-symbol-file module.ko text_address -s .data data_address -s .bss bss_address
9
. Debug: Set breakpoints and so on. In Toolchain , enable the Build gdb for the Host option; in Kernel | Kernel version , type
3
88%
Password protection with Phpass
30.11.2025
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»
Archive
»
2011
»
Issue 5: Pen Te...
»
: " . $password . "\
n
"; 13 echo "Hash: " . $hashvalue . "\
n
"; 14 15 // Compare $password with the store has: 16 $passwordfromdb = '$P$
9
IQRaTwmfeRo7ud
9
Fh4E2PdI0S
3
r.L0'; 17 // stored hash, would
87%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
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»
2012
»
Issue 07: Xen v...
»
under the 18 # following copyright: 19 # 20 # (
c
) 2002-2005 International Business Machines, Inc. 21 # 2005-2010 Linux-HA contributors
22
# 23 # See usage() function below for more details ... 24 # 25
86%
A standard cloud computing API
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
"Polling for changes (Ctrl-
C
to end)" 17 loop do 18 sleep 2 19 client.instances.each do |inst| 20 if state[inst.id] != inst.state 21 if state[inst.id]
22
puts "#{inst.id} changed from
86%
High availability clustering on a budget with KVM
30.11.2025
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»
Archive
»
2010
»
Issue 0: Active...
»
: 09 bb:0f:e
3
:7f:
3
e:ab:
c
3
:5d:32:78:85:04:
a
2:da:f1:61 root@host1 You need to distribute the public part, that is the /root/.ssh/id_rsa_cluster.pub file, to all nodes in the cluster. The Strict
86%
OpenVPN with e-tokens in large-scale environments
30.11.2025
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Archive
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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
85%
Galera Cluster for MySQL
30.11.2025
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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
83%
Configuration management with Chef
30.11.2025
Home
»
Archive
»
2010
»
Issue 1: System...
»
}, 11 "run_list": [ "recipe[bootstrap::client]" ] 12 } Now you can launch Chef Solo: sudo chef-solo -
c
~/solo.rb -j ~/chef.json -r http://s
3
.amazonaws
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