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Creation time
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85%
Expand your sphere with a piece of Google
30.11.2025
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»
Archive
»
2011
»
Issue 4: Secure...
»
Amazon started converting its excess computational power to cash some time ago. Under such names as EC2 (Elastic Computing Cloud), S
3
(Simple Storage Service), and SimpleDB, the book and coffee
85%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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Archive
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2012
»
Issue 07: Xen v...
»
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
84%
Using Expect scripts to automate tasks
31.10.2025
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2012
»
Issue 12: NAS S...
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conservatively originally 21 if {$force_conservative} {
22
set send_slow {1 .1} 23 proc send {ignore arg} { 24 sleep .1 25 exp_send -s -- $arg 26 } 27 } 28
84%
Container and hardware e-virtualization under one roof
30.11.2025
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2010
»
Issue 2: Backup...
»
; whereas KVM [
3
] supports genuine hardware virtualization in combination with the right CPU. Both virtualization technologies support maximum performance for the guest system in line with the current state
84%
Monitor your nodes with collectl
30.11.2025
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2012
»
Issue 09: Windo...
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has some capabilities [
3
] that sar does not have. A collection of supporting tools [4] can also help collectl gather and post-process data. Collectl is easy to install if Perl is already installed
83%
Julia: A new language for technical computing
30.11.2025
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2012
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Issue 10: Traff...
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.33 164.69 0.75 rand_mat_stat
3
.37 39.34 11.64 54.54
22
.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8
83%
Clustering with OpenAIS and Corosync
30.11.2025
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2011
»
Issue 3: Are yo...
»
ID. Version
3
.0 of the cluster suite (in RHEL 6 and Fedora 10 or later), replaces OpenAIS with Corosync [
3
]. Viewed superficially, not too many changes are seen between the two cluster managers ...
3
83%
The next generation of Internet connectivity
30.11.2025
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2011
»
Issue 3: Are yo...
»
_seq=
3
ttl=
52
time=103 ms Personally, I prefer using tunnels over Teredo and 6to4 for several reasons – the simplest is that it works with a public IP or behind a NAT box (well, usually). Tunnels ...
3
82%
pfSense firewall and router distribution
30.11.2025
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2012
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Issue 07: Xen v...
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Protocol (CARP) is used in the background [
3
]. If needed, a pfSense installation can transfer its configuration to all other firewalls and then run pfsync to keep the state tables of all the active firewalls
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