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26%
An IT nomad's daily diary
30.11.2025
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2011
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Issue 6: Perfor...
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magazine [
3
]. In other words, the many Cobbler system records are really the biggest problem. Just to jog your memory: Using system records, Cobbler can create an individual PXE configuration file for each
26%
Tracing applications with OProfile and SystemTap
30.11.2025
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2010
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Issue 1: System...
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: all cores 0x40: core: this core 0x30: prefetch: all inclusive 0x10: prefetch: Hardware prefetch only 0x
00
: prefetch: exclude hardware prefetch 0x
08
: (M)ESI: Modified 0x04: M
26%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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2010
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Issue 0: Active...
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: 1487680 0 IO-APIC-fasteoi uhci_hcd:usb
3
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
25%
Exploring Nmap's scripting engine
30.11.2025
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2011
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Issue 6: Perfor...
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is an interpreted language that is "powerful, fast, lightweight" [2]. It is probably most well known as the scripting language used by the popular game World of Warcraft (WoW) [
3
]; however, Lua is also used
25%
High availability clustering on a budget with KVM
30.11.2025
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2010
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Issue 0: Active...
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. Current enterprise solutions for the virtualization of servers and desktops [
3
] are all based on KVM. Setup and Software The example discussed in this article uses two physical nodes: host1 and host2
25%
Business continuity for small to medium-sized enterprises
30.11.2025
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2012
»
Issue 08: FreeNAS
»
. In the test scenario, I defined a backup schedule with the following settings: Schedule: weekly Daily full backup: Monday – Friday 20:
00
Daily incremental backup: Monday – Friday
08:00--18:00
, 30
25%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
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2012
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Issue 07: Xen v...
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cluster nodes, and the ext
3
driver on node A wouldn't have the option of querying the state of the same DRBD resources on node B if it wanted to write to the medium. In the worst case, a write to the DRBD
25%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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2011
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Issue 6: Perfor...
»
: Grocery Store Checkout *** 06 *** Ver: PDQ Analyzer v
3
.0 111904 *** 07 *************************************
08
****** RESOURCE Performance ******* 09 10 Metric Resource Work Value Unit 11
25%
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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.84 132.71
3
,127.50 713.77 4.11 mandel 5.55 31.15 65.44 824.68 156.68 5.67 pi_sum 0.74 18.03 1.
08
328
25%
Troubleshooting SELinux
30.11.2025
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2010
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Issue 0: Active...
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user_u:system_r:httpd_t root 3728 1 2 10:49 ?
00:00:00
/usr/sbin/httpd 07 user_u:system_r:httpd_t apache 3730 3728 0 10:49 ?
00:00:00
/usr/sbin/httpd
08
... The weird
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