- Roundtable - muug.ca

UNIX command transcript with canned input, echoed in output?
by Gilbert E. Detillieux 26 Nov '11

26 Nov '11

Howdy folks! I got a request from a prof this morning that stumped this old UNIX hack. He wants to run a UNIX command (for a language interpreter), using input from a file, and saving a transcript of the output. That much is trivial. The catch is that he'd like the transcript to have the input echoed, as if it had been typed in at the tty. I've looked at options on the script command and ssh, but can't find a simple solution to this. And it has to be simple enough for his students (who may not have much UNIX experience) to use. Any suggestions? -- Gilbert E. Detillieux E-mail: <gedetil(a)muug.mb.ca> Manitoba UNIX User Group Web: http://www.muug.mb.ca/ PO Box 130 St-Boniface Phone: (204)474-8161 Winnipeg MB CANADA R2H 3B4 Fax: (204)474-7609

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UG News: MAKE Technology Tips 'n' Tales for Holiday Shopping - Save 50% on Ebooks and 40% on Print Books
by Gilbert E. Detillieux 24 Nov '11

24 Nov '11

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UG News - Register Now: Getting Google to Love Your Website, Office 365, 10 Things You Should Know About HTML5, and Much More.
by Gilbert E. Detillieux 21 Nov '11

21 Nov '11

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Fedora 15/16 problems with network name services and autofs
by Gilbert E. Detillieux 18 Nov '11

18 Nov '11

At last week's MUUG meeting, I mentioned problems I had encountered with Fedora 16, dealing with NIS and autofs. The first one was that supplementary groups defined via NIS (or LDAP, as it turns out) were being ignored (whereas those in /etc/group were not). The solution was simply to comment out the "initgroups" map line in the /etc/nsswitch.conf file... Bug 750388 - Authconfig needs to handle new 'initgroups' nsswitch map (was: secondary groups not populated) https://bugzilla.redhat.com/show_bug.cgi?id=750388 The second one was that the autofs service wasn't waiting for ypbind to start, so there was a race condition that would cause NFS mount points published in NIS automounter maps to be ignored. Some solutions were proposed, which seemed to work for some but not for others, depending on exactly how their network interfaces were managed, and what specific services they were using... Bug 712504 - autofs is started before ypbind in Fedora 15 https://bugzilla.redhat.com/show_bug.cgi?id=712504 Bug 709637 - systemd sometimes starts autofs before NIS https://bugzilla.redhat.com/show_bug.cgi?id=709637 This problem will hopefully work itself out as remaining legacy init.d scripts are converted over to systemd. In the meantime, the proposed solution (for bug 712504) _seems_ to be working for me. -- Gilbert E. Detillieux E-mail: <gedetil(a)muug.mb.ca> Manitoba UNIX User Group Web: http://www.muug.mb.ca/ PO Box 130 St-Boniface Phone: (204)474-8161 Winnipeg MB CANADA R2H 3B4 Fax: (204)474-7609

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Fedora 15/16 network device naming
by Gilbert E. Detillieux 14 Nov '11

14 Nov '11

At last week's MUUG meeting, during the round-table discussion, I mentioned some of the feature and problems I had encountered with Fedora 16. A couple people mentioned the fact that network device naming had changed. Here's more about that in the Fedora 15 release notes, including suggested workarounds and a way to disable the feature entirely: http://docs.fedoraproject.org/en-US/Fedora/15/html/Release_Notes/sect-Relea… -- Gilbert E. Detillieux E-mail: <gedetil(a)muug.mb.ca> Manitoba UNIX User Group Web: http://www.muug.mb.ca/ PO Box 130 St-Boniface Phone: (204)474-8161 Winnipeg MB CANADA R2H 3B4 Fax: (204)474-7609

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RAM
by Kevin McGregor 12 Nov '11

12 Nov '11

I have a pair of Corsair 1G DDR2 DIMMs. Anyone have a use for them? Free. They were from what I think is the only motherboard I have that accepts DDR2 RAM, and its DIMM sockets are full of other stuff. CM2X1024-5400C4 4-4-4-12 675 MHz 1024 MB XMS2-5400

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Exim error
by Kevin McGregor 12 Nov '11

12 Nov '11

On boot, my SheevaPlug computer (running Ubuntu) emits this: Starting MTA:eth0: link up, 100 Mb/s, full duplex, flow control disabled > Starting web server: lighttpd. > Starting network management services: snmpd. > Starting OpenBSD Secure Shell server: sshd. > exim4. > ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail > system possibly broken ... failed! > Debian GNU/Linux 6.0 sheeva ttyS0 > sheeva login: Looking in /var/log/exim4/paniclog, I see > 2011-11-11 19:52:02 IPv6 socket creation failed: Address family not > supported by protocol I'm not using IPv6; I don't know exim. Any pointers on how to resolve this, aside from replacing exim?

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SSH? Routing?
by Kevin McGregor 11 Nov '11

11 Nov '11

Here's a new one for me: I've got this set up: Shaw ISP --> Netgear WNDR3700v2 router --> <my main network 192.168.7.0> --> WRT54G (OpenWRT) --> <my secondary network 192.168.8.0> When I SSH from 192.168.8.99 to 192.168.7.100, I get this: The authenticity of host '192.168.7.100 (192.168.7.100)' can't be established. RSA key fingerprint is 8b:a...4:09. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '192.168.7.100' (RSA) to the list of known hosts. me(a)192.168.7.100's password: I enter the password, and there it hangs indefinitely. Any guesses what's happening? I've turned off all firewall stuff in the WRT54G. Also, I'm using PuTTY, and I can't break out of it with ^C or any other signal. Very weird. Kevin

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UG News: Tips 'n' Tales for Holiday JavaScript Shopping - Save 50% on Ebooks & Videos and 40% on Print Books
by Gilbert E. Detillieux 10 Nov '11

10 Nov '11

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Re: [RndTbl] Compiling (C) software for Solaris 10
by Adam Thompson 10 Nov '11

10 Nov '11

/usr/sfw/bin or /opt/sfw/bin depending on the version. And that is standard gcc, although probably a bit old. You should be good from here, unless you also have to add /usr/ccs/bin to pick up as and ld. -Adam Kevin McGregor <kevin.a.mcgregor(a)gmail.com> wrote: >I did a ls *gcc* on the package directory of the CD I mentioned, and it >showed SUNWgcc, so I installed that. It did seem to install it, but it's >not in the path. Is that normal? Or should I give up and go to >sunfreeware.com? By the way, the makefile I'm using from the iozone tar >file lists numerous platforms including several for Solaris (32- & 64-bit, >Solaris 8, 9, 10, cc, gcc...) so I thought it should work with whatever >compiler is available for Solaris. > >On Wed, Nov 9, 2011 at 3:20 PM, Adam Thompson <athompso(a)athompso.net> wrote: > >> There is no functional C compiler in Solaris. (There exists one that is >> exactly adequate for relinking the kernel, and that’s it.)**** >> >> To get Sun’s C compiler, you need PWB – Programmer’s WorkBench. I think >> it has a new name… yup, “Solaris Studio”, and you no longer have to pay for >> it. It’s a lot more than just a command-line compiler.**** >> >> Or just download gcc from www.sunfreeware.com, which you’ll probably have >> to do anyway since most open-source software Makefiles aren’t happy with >> Sun’s compiler. Note, see http://www.sunfreeware.com/faq.html#q4.**** >> >> ** ** >> >> If you have the Solaris Companion CD/DVD that came with some versions of >> Solaris, gcc may be on the disc, probably in a package called SFWgcc. The >> Sun Freeware Collection and associated webpages appear to have died a >> typical Oracle death since the acquisition, so I can’t tell if it even >> exists for Solaris 10 or not.**** >> >> ** ** >> >> Most people wind up installing the sunfreeware.com packages, AFAIK… they >> stay somewhat up to date, whereas the SFW* packages on the Sun CD are >> static and typically don’t get updated until the next major release of >> Solaris.**** >> >> ** ** >> >> -Adam Thompson**** >> >> athompso(a)athompso.net**** >> >> ** ** >> >> ** ** >> >> *From:* roundtable-bounces(a)muug.mb.ca [mailto: >> roundtable-bounces(a)muug.mb.ca] *On Behalf Of *Kevin McGregor >> *Sent:* Wednesday, November 09, 2011 15:03 >> *To:* MUUG Roundtable >> *Subject:* [RndTbl] Compiling (C) software for Solaris 10**** >> >> ** ** >> >> At work here I have a "SunOS cowsvpsunfire 5.10 Generic_142909-17 sun4u >> sparc SUNW,Sun-Fire-V490" (from uname -a) with the "sol_10_910_sparc" disc >> mounted. This system appears to have no "cc" or "gcc" (according to >> "which"). Which package(s) from the CD do I need to install to have a basic >> C command-line compiler available? I'm trying to compile Iozone ( >> iozone.org) and the makefile run says "sh: cc: not found". **** >> >> _______________________________________________ >> Roundtable mailing list >> Roundtable(a)muug.mb.ca >> http://www.muug.mb.ca/mailman/listinfo/roundtable >> >>

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