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16.10.2012
-get install libssh2-php
Now, it’s time to try a script using SSH. Please note that SSH is a little different from other protocols and requires special handling, called stream blocking, which is necessary
25%
20.02.2012
) increases because scaling that 1 percent of failed hits doesn’t mean just 1 percent of users.
(On a side note: you should urge your developers to degrade their app gracefully so that if the Ajax calls fail
25%
28.01.2014
the same table:
x = {}
x['os'] = "linux"
y = x
print(y['os'])
linux
Note the content of y['os']
is the string linux
, as the output from the print statement shows. To save the programmer some typing, Lua
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21.12.2012
be noticed by many people. Say you try to use those features: The error messages you get are lovely: Error messages that mean something. Take note, developers:
Error 1290: The MySQL server is running
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03.07.2013
of the fundamental reasons for scalability limitations.
Introducing Gene Amdahl
Underlying the scalability limit is something called Amdahl’s Law, proposed by Gene Amdahl in 1967. (As a side note, Gene Amdahl
25%
30.04.2013
. Puppet files are named .pp
. The syntax is very simple, looking a bit like JSON, but it is worth noting that a lot of puppet modules make use of ruby (including erb
files) and other scripting tools to add
25%
20.09.2011
't speak until spoken to.)
The port scanner sends out a SYN request on a particular port number (22). The target responds with an ACK. The scanner notes the ACK and sends a RST to disconnect from
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24.10.2011
output, such as the slow query log and the results of the CHECKSUM TABLE
command, are different. So, if your scripts parse this output, you might have to make some changes.
One last note about
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04.11.2011
communication between nodes and management interfaces will occur. The second Ethernet interface (eth1
) will connect to the public network for remote user and admin login. This is important to note because
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14.07.2011
placement function in SCVMM.
Figure 5: The selfservice portal lets nonprivileged users manage virtual machines.
Note that to control virtual machines
