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Creation time
: Last year
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Article (Print)
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47%
Galera Cluster for MySQL
30.11.2025
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»
Archive
»
2012
»
Issue 10: Traff...
»
temporarily with Listing 5 Error Messages sh: /sbin/ifconfig: Permission denied 120405 8:29:02 [ERROR] WSREP: Failed to read output of: '/sbin/ifconfig | \ grep -m1 -1 -E '^[
a
-z]?eth[0-
9
47%
openlava – Hot resource manager
31.10.2025
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Archive
»
2012
»
Issue 12: NAS S...
»
tmp DISPATCH_WINDOW # Keywords test1 0 () () () () () ()
n
0001
3
() () () () () () default
47%
Targeted defense against brute force attacks
30.11.2025
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Archive
»
2011
»
Issue 3: Are yo...
»
-
N
sshguard The second command handles IPv6 packets. The next step is to extend the input chain so that network traffic is routed through the sshguard chain (Figure 2): sudo iptables -
A
INPUT -j ...
3
47%
Tracing applications with OProfile and SystemTap
30.11.2025
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Archive
»
2010
»
Issue 1: System...
»
686 oprofile-0.
9
.5-4.fc12.i686 To profile the kernel, you need to tell OProfile where the kernel image is located with the --vmlinux option: opcontrol --setup --vmlinux=/usr/lib/debug/lib/ modules
47%
Netcat – The admin's best friend
31.10.2025
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2012
»
Issue 12: NAS S...
»
seconds, for example: # nc -p 16000 -w 30 examplehost.tld
22
If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.
3
47%
New Approaches to DNS
02.06.2026
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2026
»
Issue 93 Disast...
»
:26:27 UTC ;; From 149.112.112.112@853(QUIC) in
9
.6 ms DNS over HTTP/
3
The relatively new DNS over HTTP/
3
(DoH
3
) protocol feels like yet another upgrade of DoH. This time it's not a clone as a cool new
47%
Security without firewalls
31.10.2025
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Archive
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2012
»
Issue 12: NAS S...
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and then explicitly allow certain users access. It's similar to the deny by default approach I touched on in another article [
3
]. To achieve this, the /etc/hosts.deny file would look like this: sshd: ALL To allow
47%
OpenVPN with e-tokens in large-scale environments
30.11.2025
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Archive
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2011
»
Issue 5: Pen Te...
»
version [
9
]. Listing
3
/etc/openvpn/ccd/John_Doe 01 # John Doe 02 ifconfig-push 192.168.1.
3
255.255.255.0 03 push "topology subnet" 04 push "redirect-gateway" 05 push "dhcp-option DNS 192
47%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
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2012
»
Issue 11: Cloud...
»
.1_release_notes oVirt Installation Guide: http://www.ovirt.org/w/images/
a/a
9
/OVirt-
3
.0-Installation_Guide-en-US.pdf ... Version
3
.1 of the oVirt management platform for virtual infrastructures has recently become available. On Fedora 17, the new release is easy to install and deploy. ... oVirt
3
.1 ... Managing virtual infrastructures with oVirt
3
.1
47%
An IT nomad's diary
30.11.2025
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2011
»
Issue 5: Pen Te...
»
is all it takes to create your own application, just like for the domain (Listing
3
). Listing
3
Creating the Application 01 # rhc-create-app -
a
spaceuploader -t perl-5.10 -l tscherf
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