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65%
pfSense firewall and router distribution
30.11.2025
Home
»
Archive
»
2012
»
Issue 07: Xen v...
»
. Because it had to run in RAM, extensions were difficult. This situation prompted the two to start working on their own distribution and spawned the development of pfSense [1]. The core of version
2.0
from
65%
Using Expect scripts to automate tasks
31.10.2025
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»
Archive
»
2012
»
Issue 12: NAS S...
»
14 expect -exact "$ " 15 send -- "ssh aspen\r" 16 expect -exact "password: " 17 send -- "PASSWORD\r" 18 expect -exact "$ " 19 send -- "ps -ef|grep apache\r"
20
expect -exact "$ " 21 send -- "exit\r"
22
65%
The fail2ban intrusion prevention framework
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
/filter.d/sasl.conf: failregex = (?i): warning: [-._\w]+\[
\]: SASL (?:LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed: authentication failure A quick hunt through my /var/log/mail.log files reveals: Dec
20
22
65%
Container and hardware e-virtualization under one roof
30.11.2025
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Archive
»
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
65%
Monitoring for small and medium-sized companies compared
30.11.2025
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2012
»
Issue 07: Xen v...
»
://www.zabbix.com https://www.icinga.org http://www.nagios.org Version 1.8.
x
1.8.6 1.6
3.3
.1 License GPLv2 GPLv2 GPLv2 Core
65%
The RADOS object store and Ceph filesystem
30.11.2025
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2012
»
Issue 09: Windo...
»
addr = 10.42.0.101:6789 14 [mon.b] 15 host = bob 16 mon addr = 10.42.0.102:6789 17 [mon.c] 18 host = charlie 19 mon addr = 10.42.0.103:6789
20
[osd.0] 21 host = alice
22
[osd.1] 23 host
64%
Creating KVM machines with BoxGrinder and VMBuilder
31.10.2025
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2012
»
Issue 12: NAS S...
»
Service (Amazon S
3
) 19 - ami plugin for Amazon Simple Storage Service (Amazon S
3
)
20
- sftp plugin for SSH File Transfer Protocol 21 - ebs plugin for Elastic Block Storage
22
- local plugin
64%
Moving HPC to the cloud
31.10.2025
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»
2012
»
Issue 11: Cloud...
»
will provide sub-par performance. A deeper treatment of these issues can be found in a recent article called "Will HPC Work in the Cloud?" [
3
]. Finally, any remote computation scheme needs to address
64%
Network analysis with Wireshark
30.11.2025
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2011
»
Issue 5: Pen Te...
»
runs with root privileges. The exceptions are Mac OS
X
and Solaris, where the user only needs access privileges for the network interface card device file. By default, Tcpdump reads all the data
63%
I/O benchmarks with Fio
30.11.2025
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2011
»
Issue 5: Pen Te...
»
] 13 rw=randread 14 runtime=60 15 16 [sequentialread] 17 stonewall 18 rw=read 19 runtime=60
20
21 [randomwrite]
22
stonewall 23 rw=randwrite 24 runtime=60 25 26 [sequentialread] 27 stonewall 28 rw
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