Argonne National Laboratory

Experimental Physics and
Industrial Control System

Tech-talk Mailing List

The main EPICS mailing list is called Tech-talk, and is used for technical discussions, questions and announcements. See below for subscription instructions. We also have other more specialized mailing lists for use by developers of the EPICS core software, users of Qt, and for hardware collaborations.

The Tech-talk list accepts posts from subscribers; messages from an email address that is not subscribed to the list are still able to post but these messages will be delayed pending moderator approval, and if judged to be Spam may be discarded without notice. Members of the EPICS community who wish to be exempted from the moderation requirement without subscribing can request this by emailing the list administrator.

When posting messages to the list, please observe conventional netiquette. In particular, if you are starting a new line of discussion, please do not reply to an older Tech-talk message and change the subject line — your mail program will attach a hidden reference header to the message, linking it to the message you are replying to and causing other mail programs and the Tech-talk archives to think your message is part of that same thread. Start by hitting New Message whenever you want to start a new conversation.

Please don't attach tarfiles or zipfiles or directly include files with the extension .cmd, such as IOC startup scripts files st.cmd. A .cmd extension is used on Microsoft Windows for a kind of command script. Many spam filters nowadays search through tarballs and zipfiles and will either reject such messages or remove the file from it, but in either case they result in many rejection messages coming in to the list manager.

List Archives

Messages sent to the list are archived annually.

Indexed by Date:
1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021 
Indexed by Thread:
1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021 

The Tech-talk archives are searchable. The archive search index is updated overnight, so today's messages won't appear in any search results. Give a space- or comma-separated list of words to search for. Only whole words will be matched. Check the box to return a list of messages containing any of the search words, othewise only messages containing all the words will be returned.

Search Tech-talk for:
Match any word:

Subscribing to Tech-talk

There are two ways to read to Tech-talk messages:

RSS Subscription

You can be notified about the arrival of new messages at the list archive without having to subscribe, using one of our two RSS feeds.

Visiting those links in a regular web browser won't show anything particularly useful; if you aren't familiar with RSS read this. I use and recommend Feedly for reading RSS feeds (it also has apps for both Android and iOS), but there are other readers available, built into web browsers, as stand-alone programs or apps, or purely online.

Note that the full text feed is new and may break in some circumstances, but it seems to work pretty well.

All EPICS mailing lists are moderated for messages sent by non-members, so if you haven't subscribed using the Mailman interface your messages will be held for approval before being circulated. If you prefer to use the RSS interface to read messages but want to avoid the moderation delay, you can subscribe to the emails but configure Mailman to not actually send you any messages.

Email Subscription

To have Tech-talk messages forwarded to your email inbox, visit the mailman information page for the Tech-talk list and fill in the subscription form there. You can also subscribe via email; send a message to that contains just the work "help" in either the subject or message body for further instructions.

To send a message to a list

In general you should subscribe if you intend to send messages to this list (note that you can subscribe but turn message delivery off if you normally read Tech-talk through the RSS feed). If you aren't subscribed, your message will have to be approved by a list moderator, which will delay its delivery. However it should eventually get through (unless it looks like spam), so a subscription is not essential.

Address messages to, for example:

Please use a relevent subject line
Your message...

Some broken mail programs may try to send messages to the bounce-address which is the envelope return address used for all outgoing messages and is only supposed to receive information about messages that can't be delivered. If you do not correct this address before sending, your messages will be delayed as they will have to be forwared by the list owner.

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