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Find the IP address of the client in an SSH session
... to replace the ip in this command "iptables -A INPUT -s 93.203.118.251 -p tcp --destination-port 443 -j DROP" is that possible?
– wutzebaer
Aug 5 '15 at 13:00
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How to impose maxlength on textArea in HTML using JavaScript
...ise the browser will enforce the limit).
– Juha Palomäki
Jan 20 '13 at 23:16
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Install specific git commit with pip
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Willem Van Onsem
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answered Aug 12 '15 at 21:49
PGuivPGuiv
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Retrieving the last record in each group - MySQL
There is a table messages that contains data as shown below:
27 Answers
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How to change variables value while debugging with LLDB in Xcode?
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269
expr myString = @"Foo"
(lldb) help expr
Evaluate a C/ObjC/C++ expression in the current...
JMS Topic vs Queues
... Some JMS providers efficiently choose to implement this as UDP instead of TCP. For topic's the message delivery is 'fire-and-forget' - if no one listens, the message just disappears. If that's not what you want, you can use 'durable subscriptions'.
A JMS queue is a 1-to-1 destination of messages. ...
Setting different color for each series in scatter plot on matplotlib
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DSMDSM
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
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ghostdog74ghostdog74
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How to create a bash script to check the SSH connection?
... ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty string)
But you'll have to grep the message (nmap does not use the return-value to show if a port was filtered, closed or open).
EDIT2:
If you're interested in the actual state of the ssh-por...
What is the most efficient way of finding all the factors of a number in Python?
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from functools import reduce
def factors(n):
return set(reduce(list.__add__,
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