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Article (Print)
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15%
Connecting dissimilar IPsec implementations
30.11.2025
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»
Archive
»
2011
»
Issue 4: Secure...
»
versions worked best (and worst) together. My tests included the following: Kame/Racoon on Mac OS
X
and Linux Solaris 10 Windows Server 2008 Cisco-Router with IOS
12
Juniper SRX
14%
Business continuity for small to medium-sized enterprises
30.11.2025
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»
Archive
»
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
14%
A Btrfs field test and workshop
31.10.2025
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2012
»
Issue 11: Cloud...
»
, Fedora) to postpone the move to Btrfs as the standard filesystem. Conveniently, the latest long-term support version of Ubuntu,
12
.04, was released at the end of April based on kernel version
3
14%
Troubleshooting SELinux
30.11.2025
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Archive
»
2010
»
Issue 0: Active...
»
SELinux Information with -Z 01 # id -Z 02 user_u:system_r:unconfined_t 03 # ls -dZ /var/www/html 04 drwxr-xr-
x
root root system_u:object_r:httpd_sys_content_t /var/www/html 05 # ps -efZ | grep httpd 06
14%
High availability clustering on a budget with KVM
30.11.2025
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Archive
»
2010
»
Issue 0: Active...
»
with nearly native performance. However, KVM does need a state-of-the-art CPU generation with virtualization functionality (VT-
X
/AMD-V). All the virtual machines in this article will run on the KVM hypervisor
14%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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Archive
»
2010
»
Issue 0: Active...
»
-APIC-fasteoi pciehp, ath9k 10 18: 0 0 IO-APIC-fasteoi uhci_hcd:usb4 11 19: 2384012 0 IO-APIC-fasteoi ehci_hcd:usb1
12
20
: 199725 0 IO-APIC-fasteoi uhci_hcd:usb2 13 21
14%
Managing virtual machines
30.11.2025
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»
2012
»
Issue 09: Windo...
»
"creating" $vmname 09 10 virsh suspend rhstorage 11 virt-clone -o rhstorage -n $vmname -f /var/lib/libvirt/images/$vmname.qcow
12
virsh resume rhstorage 13 14 oldmac="52:54:
00
:B4:DF:EB" 15 newmac
13%
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
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