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Suite (RHCS) and use CMAN as their Cluster Manager. Depending on the version you use, the implementation will look total different. The initial variant (version 1.0) included with RHEL 4 or very old
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were run on a virtual system (using ESX as the hypervisor) with fixed reservations for CPU and memory. To be more precise, I used a virtual CPU running at 1.5GHz and with 512MB of RAM in the virtual
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's usually TCP port 22) to port 2222, for example, to keep port scans from filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations
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Connection
01 #!/usr/bin/expect
02
03 set host [lindex $argv 0]
04 set timeout 5
05 spawn /usr/bin/ssh aefrisch@$host
06 expect "(yes/no)? " {
07 send "yes\r"
08 }
09 expect "password:"
10 send
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, and you are given minimum, maximum, and average values for the speed of ICMP responses.
In addition to performing the simple ping test, you can access a freely configurable website, or transfer 1MB of test
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were delivered as part of the RHCS scope. Thus, up to RHCS 3.0, everything was fine if you wanted Pacemaker and GFS to cooperate.
But Red Hat changed its policy in Red Hat Cluster Suite 3.1, deciding
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the older UFS filesystem rather than ZFS.
Built-In RAID
With FreeNAS, you can set up software RAID levels 0, 1, 3, and higher, but again, you need to be aware that hardware RAIDs are faster and safer ... Setting up your own NAS with FreeNAS 8.0.2
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a packet to one of 2^16 available ports. TCP and UDP ports allow the operating system to map a packet to a specific service.
The 65,535 available ports are divided into three groups: ports numbered 0 ... 0
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cache_credentials = True
19 ldap_id_use_start_tls = False
20 debug_level = 0
21 enumerate = True
22 krb5_kpasswd = tiffy.tuxgeek.de
23 ldap_schema = rfc2307bis
24 ldap_search_base = dc=tuxgeek,dc=de
25
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for this article, my required space was approximately 300MB and just under 100MB for the temporary staging space.
Keep the temporary staging directory intact for future installations and customizations. The disk
