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18%
The practical benefits of network namespaces
15.08.2016
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»
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»
2016
»
Issue 34: Softw...
»
1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether
52:54:00
:02:e3:f1 brd ff:ff:ff:ff:ff:ff $ ip link 1: lo:
mtu 65536 qdisc noqueue state UNKNOWN mode
18%
Rethinking RAID (on Linux)
25.03.2021
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2021
»
Issue 62: Lean...
»
0[0
] 2094080 blocks super
1.2
[
2/2
] [UU] ** unused devices:
The initialization time should be relatively quick here. Also, verify the RAID1 mirror details (Listing 13) and rerun the random
16%
Protect Your Servers with Nmap
23.07.2012
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for brevity] 8 10.59 so-4-2-0.mpr3.pao1.us.above.net (64.125.28.142) 9 11.
00
metro0.sv.svcolo.com (208.185.168.173) 10 9.93 scanme.nmap.org (64.13.134.
52
) Nmap
16%
Give your servers the once over with Nmap
31.10.2025
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2012
»
Issue 11: Cloud...
»
.nmap.org (64.13.134.
52
): Not shown: 994 filtered ports PORT STATE SERVICE VERSION
22
/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
16%
First steps in IT automation by Rex
11.06.2014
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2014
»
Issue 21: Manag...
»
_system_release = '
12
.04' 17 $eth0_mac = '08:
00
:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 }
22
$memory_shared = '0' 23 $Network = { 24 networkdevices
16%
Measuring the performance of code
04.08.2020
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2020
»
Issue 58: Graph...
»
// (c) 2020 by Federico Lucifredi 04 05 #include
06 #include
07 #include
08 #include
09 #include
10 #include
11 #include
12
13
16%
Asynchronous PostgreSQL
12.09.2013
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2013
»
Issue 16: Docker
»
Timeout Test $ time curl http://localhost/cgi/burn0.pl\?4.9
00:00
:04.900198 real 0m4.958s user 0m0.003s sys 0m0.006s $ time curl http://localhost/cgi/burn0.pl\?5.1 curl: (
52
) Empty reply from
15%
Checking password complexity with John the Ripper
30.11.2025
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2011
»
Issue 6: Perfor...
»
c/s virtual
12
13 Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual 15 16 Benchmarking: Kerberos AFS DES [48/64 4K]... DONE 17 Short: 378501 c/s real
15%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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2011
»
Issue 6: Perfor...
»
.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
15%
Monitor your nodes with collectl
30.11.2025
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2012
»
Issue 09: Windo...
»
:sda]RKBytes [DSK:sda]Writes 21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util
22
20120310 13:39:10 sdb 0 0 0 2 4 24
12
0
12
2 0 sda 0 0 0 0 0 0 0 0 0 0
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