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. In the case of SSL certificates, they scanned the Internet and found 1.2 million SSL-enabled websites [3] [4]. Among the problems found were certificates for reserved addresses (e.g., 192.168.1.2, a reserved IP
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: 192.168.56.101:3306 , w: 1.000
1: 192.168.56.102:3306 , w: 1.000
2: 192.168.56.103:3306 , w: 1.000
Listing 9
Querying the Load Balancer
echo getinfo | nc -q 1 127.0.0
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idea to choose an intuitive name. Listing 2 shows an example.
Listing 2
Your Own Domain in OpenShift
01 # rhc-create-domain -n tuxgeek -l tscherf@gmail.com
02 Password:
03 Generating ... Red Hat's new OpenShift PaaS service takes an uncomplicated approach to sending web applications to the cloud.
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with this or a later kernel version (Figure 2). The situation isn't quite as easy with RADOS; however, the documentation [1] points to prebuilt packages, or at least gives you an installation guide, for all
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any time." Here, the second alert is set to be sent only between 6pm (1800
) and 8am (0800
) on any day (the first *
; use W
for weekdays, or specify particular days with 0
, Sunday, through 6 ... 0
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-term RAS requirement can be difficult to estimate. Choosing the wrong component can result in poor performance, increased downtime, and, in the worst case, an unfixable problem. This situation can also
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and maintained only by Red Hat.
In more recent versions (e.g., 2.0 in RHEL 5 and Fedora Core 6 or later), the legacy CMAN implementation was replaced by an open implementation based on the Application Interface
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a DNS server, it uses three standard addresses as its name servers: fec0::1, fec0::2 and fec0::3. The prefix fec0 was originally the counterpart to the RFC 1918 addresses but has been deprecated. If you
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to turn to the servers that will be providing the storage capacity. If you are running these servers on a recent CentOS 6.2, you can download the matching GlusterFS packages off the Internet [3]. You need
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. On workstations with only a handful of configuration files and few data files, it might be enough to store these files on external media (such as USB drives). Then, if the system should crash, it could be simpler
