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13%
Understanding Layer 2 switch port security
22.12.2017
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Archive
»
2017
»
Issue 42: Secur...
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for an intrusion attempt. Figure 1: PC1 sends out a data frame with the destination address ABCD.EF
00
.0004. The switch receives it at port 1 and then searches
13%
A closer look at hard drives
18.07.2013
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2013
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Issue 15: What’...
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of file deletions – resolving this problem in most configurations not involving RAID, which is still negatively affected. The /etc/fstab file shows that this partition is installed with Ubuntu
12
.04's
13%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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2011
»
Issue 6: Perfor...
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.network.type = veth 04 lxc.network.flags = up 05 lxc.network.link = br0 06 lxc.network.hwaddr = 08:
00:12
:34:56:78 07 #lxc.network.ipv4 = 0.0.0.0 08 lxc.network.ipv4 = 192.168.1.69 09 lxc.network.name = eth0 10 lxc
13%
An IT nomad's daily diary
30.11.2025
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2011
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Issue 6: Perfor...
»
\ 02 --hostname=foo.bar.de --mac- address=
00
:40:26:CA:10:DD \ 03 --kopts="stage=test app=www" --ksmeta="stage=test app=www" 04 # cobbler system edit --name=foo --interface=eth0 --mac=
00
:40:26:CA
13%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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2011
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Issue 6: Perfor...
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Model"; 11 $work = "ebiz-tx";
12
$node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think =
0.0
* 1e-3; # as per test system 16 $dtime =
2.2
* 1e-3; # dummy service time 17 18
13%
HPC Cloud Storage
20.11.2013
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_blocks.. ..symlink_targets.. ..names.. ..contents.. ..ext_attributes.. Compressing and uploading metadata... Wrote 0.
00
MiB of compressed metadata. First, notice that I created the file as root. Second, the prefix
13%
Tracing applications with OProfile and SystemTap
30.11.2025
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2010
»
Issue 1: System...
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. The target systems only require the systemtap-runtime RPM and the staprun program it contains. The following command creates a prebuilt binary kernel module for the target system: stap -r kernel-PAE-2.6.31.
12-174.2.22
13%
Fundamentals of I/O benchmarking
11.04.2016
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2016
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Issue 32: Measu...
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MB/s wMB/s avgrq-sz ... sdb 0.
00
28.
00
1.
00
259.
00
0.
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119.29 939.69 ... Parallelism Multiple computers can access enterprise storage, and multiple threads can access
13%
Measuring the performance of code
04.08.2020
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2020
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Issue 58: Graph...
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// (c) 2020 by Federico Lucifredi 04 05 #include
06 #include
07 #include
08 #include
09 #include
10 #include
11 #include
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13%
Explore automation-as-code with Ansible
04.12.2024
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2024
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Issue 84: Non-R...
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can use Kustomize or Helm to install the AWX operator with default settings, as described in the documentation [2]. Operator version 2.
12
.2 was used for this example. The main playbook for the AWX
00
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