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Find the IP address of the client in an SSH session
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Check if there is an environment variable called:
$SSH_CLIENT
OR
$SSH_CONNECTION
(or any other environment variables) which gets set when the user logs in. Then process it using the user login script.
Extract the IP:
$ echo $SSH_CLIENT | awk '{ print $1}'
1.2.3.4
$ echo $SSH_CONNEC...
JPanel Padding in Java
I have a formatting question for my Java swing application. It should be fairly straightforward, but I am having difficulty finding any aid (Every topic seems to be regarding removing any default padding in JPanel). The text in my various JPanels hug the sides and top, touching the colored borders...
Set width of TextView in terms of characters
Really looking for an answer to this .
3 Answers
3
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Python: changing value in a tuple
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One use case is if you are storing a large number of small sequences where the values rarely change but on few occasions they might want to. For a small but non-zero length sequence, the memory consumption of tuple (60-bytes for one-element) vs list (104...
AttributeError: 'datetime' module has no attribute 'strptime'
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If I had to guess, you did this:
import datetime
at the top of your code. This means that you have to do this:
datetime.datetime.strptime(date, "%Y-%m-%d")
to access the strptime method. Or, you could change the import statement to this:
from datetime i...
How to automatically install Ansible Galaxy roles?
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You should use a requirements.yml file for this use-case. Describe the roles you require, using any of a variety of install methods:
# Install a role from the Ansible Galaxy
- src: dfarrell07.opendaylight
# Install a role from GitHub
- name: opendaylight
src: h...
How to run a Runnable thread in Android at defined intervals?
...application to display some text at defined intervals in the Android emulator screen. I am using the Handler class. Here is a snippet from my code:
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Is there an equivalent to 'continue' in a Parallel.ForEach?
I am porting some code to Parallel.ForEach and got an error with a continue I have in the code. Is there something equivalent I can use in a Parallel.ForEach functionally equivalent to continue in a foreach loop?
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Comments in Markdown
What is the syntax for storing a comment in a markdown file, e.g. a CVS $Id$ comment at the top of the file? I found nothing on the markdown project .
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Increasing the maximum number of TCP/IP connections in Linux
..., albeit a little differently.
On the client side:
Increase the ephermal port range, and decrease the tcp_fin_timeout
To find out the default values:
sysctl net.ipv4.ip_local_port_range
sysctl net.ipv4.tcp_fin_timeout
The ephermal port range defines the maximum number of outbound sockets a host...