Is there any way to configure default settings that are inherited by new NetworkManager connection profiles? Bonus points if they can be set so that they are not user-editable.
My scenario is that I would like to set the IPv6 method setting to "Link-Local Only" for all new connection profiles.
I already found out that NetworkManager writes the following block to the connection-specific configuration file under /etc/NetworkManager/system-connections/Wired connection 1.nmconnection:
// snip
[ipv6]
addr-gen-mode=stable-privacy
dns-search=
method=link-local
I tried to copy this block to the main NetworkManager.conf file, but this has no effect.
Is this even possible with NetworkManager?
Related
I use "Liberty for Java" app and Statica service(Proxy) on Bluemix.
We set http.proxyHost/http.proxyPort/https.proxyHost/https.proxyPort as system properties in Java code every transactions.
for example:
URL url = new URL(xxx);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
........
System.setProperty("http.proxyHost", host);
System.setProperty("http.proxyPort", port);
System.setProperty("https.proxyHost", host);
System.setProperty("https.proxyPort", port);
........
DataOutputStream out = new DataOutputStream(connection.getOutputStream());
I have an issue that one transaction go from the app to a target server directly in spite of tens of thousands of transactions passed the proxy.
Question 1:
Do "Liberty for Java" app on Bluemix clear or update system properties, http.proxyHost/http.proxyPort/https.proxyHost/https.proxyPort?
I wonder "Liberty for Java" app updated with null to access outer servers in multi-thread environment.
Question 2:
Do "Liberty for Java" app on Bluemix communicate with outer servers?
I found the following log in Statica.
https://xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.agents.na.apm.ibmserviceengage.com
https://xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.gateway.prd.na.ca.ibmserviceengage.com
( I masked a part of URL.)
P.S. We will change java code with ProxySelector class or Proxy class.
Re #1: No.
Re #2: Potentially yes. In your case, it seems your app is bound with a Monitoring & Analytics service? If so, a data collector will be installed and will send collected data to remote servers.
What's the reason that you need to set the proxy system properties in your code? Is it because you want some connections to go through the proxy and others not?
If so, then the way you do this is not right because the system proxy setting is a global setting, not a thread-scoped setting. This means if one thread sets the proxy setting, all threads will then use that proxy; if one thread unsets it, all threads will then do direct connections. That may explain why you are intermittently seeing some direct connections. The right way is to use a http client lib that supports proxy as parameters, like https://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/client/config/RequestConfig.Builder.html#setProxy%28org.apache.http.HttpHost%29
If you want all connections to go through the http proxy, then you should simply set the JAVA_OPTS environment variable to pass in those system properties, e.g., "-Dhttp.proxyHost=x.x.x.x -Dhttp.proxyPort=xx".
I could set http.port in applicaton.conf by using playframework1.2.7
like this
http.port = 9020
jpda.port = 8020
also jdpa.port.
But in play2.4.
I cannot set http.port in application.conf like this.
I know that I can do like this when I run this project.
activator "run 9020"
But it is too troublesome for me.
If you have some ideas,
please share your idea.
You cannot specify port in aaplication.conf during run mode (but this can be used while deploying).
In run mode the HTTP server part of Play starts before the application has been compiled. This means that the HTTP server cannot access the application.conf file when it starts. If you want to override HTTP server settings while using the run command you cannot use the application.conf file. Instead, you need to either use system properties or the devSettings setting shown above.
Source: https://www.playframework.com/documentation/2.4.x/Configuration#HTTP-server-settings-in-application.conf
Also look at full server configuration options
https://www.playframework.com/documentation/2.4.x/ProductionConfiguration#Server-configuration-options
I am using the Remote System software on Eclipse. I can successfully log in to my FTP account but when I try to view the directories, I get the following message:
Message: Operation failed due to network I/O error
'java.net.SocketException: Connection reset by peer: socket write
error'
Any ideas are welcome.
Looks like there could be some negotiation issue.
Try following solution:
I've got the same exception and in my case the problem was in a
renegotiation procecess. In fact my client closed a connection when
the server tried to change a cipher suite. After digging it appears
that in the jdk 1.6 update 22 renegotiation process is disabled by
default. If your security constraints can effort this, try to enable
the unsecure renegotiation by setting the
sun.security.ssl.allowUnsafeRenegotiation system property to true.
http://www.oracle.com/technetwork/java/javase/overview/tlsreadme2-176330.html
Setting the System Properties/Mode Configuration The various modes are
set using the corresponding system properties, which must be set
before the SunJSSE library is initialized. There are several ways to
set these properties:
From the command line:
% java -Dsun.security.ssl.allowUnsafeRenegotiation=true Main Within
the application:
java.lang.System.setProperty("sun.security.ssl.allowUnsafeRenegotiation",
true); In the Java Deployment environment (Plug-In/Web Start), there
are several ways to set the system properties. (See Java Web App and
Next Generation Web Browser Plugin for more information.)
Use the Java Control Panel to set the Runtime Environment Property on
a local/per-VM basis. This creates a local deployment.properties file.
Deployers can also distribute a enterprise-wide deployment.properties
file by using the deployment.config mechanism. (See Deployment
Configuration File and Properties.)
To set a property for a specific applet, use the HTML subtag
"java_arguments" within the tag. (See Java Arguments.)
To set the property in a specific Java Web Start application or applet
using the new Plugin2 (6u10+), use the JNLP "property" sub-element of
the "resources" element. (See Resources Element.)
I'm working on a CherryPy application based on what I found on that BitBucket repository.
As in this example, there is two config files, server.cfg (aka "global") and app.cfg.
Both config files are loaded in the serve.py file :
# Update the global settings for the HTTP server and engine
cherrypy.config.update(os.path.join(self.conf_path, "server.cfg"))
# ...
# Our application
from webapp.app import Twiseless
webapp = Twiseless()
# Let's mount the application so that CherryPy can serve it
app = cherrypy.tree.mount(webapp, '/', os.path.join(self.conf_path, "app.cfg"))
Now, I'd like to add the Database configuration.
My first thought was to add it in the server.cfg (is this the best place? or should it be located in app.cfg ?).
But if I add the Database configuration in the server.cfg, I don't know how to access it.
Using :
cherrypy.request.app.config['Database']
Works only if the [Database] parameter is in the app.cfg.
I tried to print cherrypy.request.app.config, and it shows me only the values defined in app.cfg, nothing in server.cfg.
So I have two related question :
Is it best to put the database connection in the server.cfg or app.cfg file
How to access server.cfg configuration (aka global) in my code
Thanks for your help! :)
Put it in the app config. A good question to help you decide where to put such things is, "if I mounted an unrelated blog app at /blogs on the same server, would I want it to share that config?" If so, put it in server config. If not, put it in app config.
Note also that the global config isn't sectioned, so you can't stick a [Database] section in there anyway. Only the app config allows sections. If you wanted to stick database settings in the global config anyway, you'd have to consider config entry names like "database_port" instead. You would then access it directly by that name: cherrypy.config.get("database_port").
I'm setting up a solution to deploy, driven by a batch file so it's reproducible
- I've got a binding file that works but I've now added on my MSMQ adapters
- works on my local machine, but I've found I have to add a userid and password to get it to work on the actual server
- it's in the domain, my virtual dev machine is just workgroup
Is there someway to add the userid and password to the file ?
- seems unlikely as that'd have the password in clear text, but what's the solution
- I sort of think something w.r.t. SSO, but that is an area I've not been near
You can put the userid and password into any BizTalk binding that supports authentication, including MSMQ. For security, the password is not exported, you just get a mask.
The userName and password sections of the binding file are not exported unless they have been configured, so the simplest thing to do is configure a MSMQ send port with userName and password manually and export the bindings - this forces the elements containing userName and the masked password to be generated into the binding file.
What you are looking for in your binding file is the <TransportTypeData> element of your MSMQ send port. This contains all of your adapter config information as encoded data.
Within that element there is a userName and password section. The password will be masked out with asterisks. Put the password for the environment there and import the binding.
The part of the encoded data with username and password will look something like below:
<userName>YourUserName</userName&
amp;gt;<password>******</password>
For security reasons, when you export
bindings, BizTalk Server removes the
passwords for the bindings from the
file. After importing the bindings,
you must reconfigure passwords for
send ports and receive locations
before they will function. You
configure passwords in the Transport
Properties dialog box of the BizTalk
Server Administration console for the
send port or receive location. For
instructions, see How to Create a Send
Port. See also How to Create a Receive
Location.
From http://msdn.microsoft.com/en-us/library/aa558708.aspx
If you however open the biding file and scroll down to the line with the properties for the MSMQ Adapter you'll find the empty nodes. All you then have to do is to fill these out and the right values and they will be used the next time you import the binding file.
Of course you'll have to remember to redo this every time you export a new binding ...