Berkeley CSUA MOTD:Entry 53124
Berkeley CSUA MOTD
2018/01/22 [General] UID:1000 Activity:popular

2009/7/8-16 [Computer/SW/OS/Linux, Computer/SW/Unix] UID:53124 Activity:nil
7/7     what happened to our web presence?
        not working
    \_ That would be because we've yet to set them up afaik. Steven *does* have
    a job after all. The idea is that we want a separate computer mounting the
    web directories, so that if an exploit compromises the webserver, the shell
    server (soda) itself will be insulated from the attack.
        \_ That would be because we've yet to set them up afaik. Steven *does*
           have a job after all. The idea is that we want a separate computer
           mounting the web directories, so that if an exploit compromises the
           webserver, the shell server (soda) itself will be insulated from
           the attack.
          \_ Ideally I wouldn't be the only one doing this shit :-p --steven
             \_ understood. I can help out. What's the root password?
        \_ can you install Lift?  Word in the radlab is that it's the
           new sexy hotness.
           \_ Not a debian package.  Can you install it locally?
2018/01/22 [General] UID:1000 Activity:popular

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2013/2/19-3/26 [Computer/SW/OS/OsX] UID:54611 Activity:nil
2/19    I program a lot by sshing to a Linux cluster.  So I'm used to using
        Xemacs to code.  This works fine from a Linux or Windows workstation,
        but sometimes I have to use a Mac.  On Mac, the meta is usually
        bound to option, but that often doesn't work over ssh for some reason.
        This makes using emacs a real pain.  Any suggestions on how to fix it?
        (Other than "use vi")
2012/8/28-11/7 [Computer/HW/Memory] UID:54466 Activity:nil
8/26    Amazon medium instances (3.75GB RAM): 0.160/hour = $1382/year
        Generic standard Linux VPS (4GB RAM): $480/year
        Amazon costs more (but does offer superior scaling options).
        \_ Amazon is $670 if you buy a year's usage up front (heavy util).
           Why is heavy util less expensive than light util?
2012/1/4-2/6 [Computer/HW/Drives] UID:54281 Activity:nil
1/4     I want to test how my servers behave during a disk failure and
        a RAID reconstruction so I want to simulate a hardware failure.
        How can I do this in Linux without having to physically pull
        a drive? These disks are behind a RAID card and run Linux. -ausman
        \_ According to the Linux RAID wiki, you might be able to use mdadm
           to do this with something like the following:
2011/9/14-10/25 [Computer/HW/Drives] UID:54173 Activity:nil
9/13    Thanks to Jordan, our disk server is no longer virtualized. Our long
        nightmare of poor IO performance should hopefully be over. Prepare for
        another long nightmare of poor hardware reliability!
        Just kidding! (I hope)
        In any case, this means that cooler was taken out back and shot, and
2011/2/11-19 [Computer/SW/OS/Linux, Computer/SW/Security] UID:54036 Activity:nil
2/10    Debian 6.0 squeeze is the new stable.  Do we dare a dist-upgrade?
        \_ the key for has changed btw.
2010/7/21-8/9 [Computer/SW/OS/FreeBSD] UID:53890 Activity:nil
7/21    Can I just use ifconfig to expand my netmask on a FreeBSD box?
        Are there any gotchas here? Linux forces me to restart my network
        to expand my netmask.
        \_ yes... and no, you don't have to restart your network on linux either
           \_ Rebooting is the Ubootntoo way!
              \_ Oooboot'n'tootin!
2010/7/22-8/9 [Computer/SW/OS/FreeBSD, Computer/HW/Drives] UID:53893 Activity:nil
7/22    Playing with dd if=/dev/random of=/dev/<disk> on linux and bsd:
        2 questions, on linux when <disk>==hda it always gives me this off
        by one report i.e. Records out == records in-1 and says there is an
        error. Has anyone else seen this?  Second, when trying to repeat this
        on bsd, <disk>==rwd0 now, to my surprise, using the install disk and
        selecting (S)hell, when I try to dd a 40 gig disk it says "409 records
2010/5/26-6/30 [Computer/SW/Unix/WindowManager, Computer/SW/OS/OsX] UID:53844 Activity:nil
5/26    anyone use lxde?  supposedly it is less stupid than xfce and
        less bloated than gnome.  thoughts?
        \_ lol, does anyone still use desktop linux?  Get with the times
           buy a mac.  Now.  DO IT.  Go NOW.
           \_ but we prefer herring to Kool-Aid
              \_ "you have to yell, he's hard of herring"
2012/9/20-11/7 [Finance/Investment, Computer/SW/Unix] UID:54482 Activity:nil
9/20    How do I change my shell? chsh says "Cannot change ID to root."
        \_ /usr/bin/chsh does not have the SUID permission set. Without
           being set, it does not successfully change a user's shell.
           Typical newbie sys admin (on soda)
           \_ Actually, it does: -rwsr-xr-x 1 root root 37552 Feb 15  2011 /usr/bin/chsh
2012/9/24-11/7 [Computer/SW/Languages, Computer/SW/Unix] UID:54484 Activity:nil
9/24    How come changing my shell using ldapmodify (chsh doesn't work) doesn't
        work either? ldapsearch and getent show the new shell but I still get
        the old shell on login.
        \_ Scratch that, it magically took my new shell now. WTF?
           \_ probably nscd(8)
2012/4/27-6/4 [Computer/SW/Languages/Misc, Computer/SW/Unix] UID:54372 Activity:nil
4/27    I wrote a little shell script to collect iostat data:
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        while true
2012/5/8-6/4 [Computer/SW/Unix] UID:54383 Activity:nil
5/8     Hello everyone!  This is Josh Hawn, CSUA Tech VP for Spring 2012.
        About 2 weeks ago, someone brought to my attention that our script
        to periodically merge /etc/motd.public into /etc/motd wasn't
        running.  When I looked into it, the cron daemon was running, but
        there hadn't been any root activity in the log since April 7th.  I
        looked into it for a while, but got lost in other things I was
2012/2/9-3/26 [Computer/SW/Security, Computer/SW/Unix] UID:54305 Activity:nil
2/9     Reminder: support for mail services has been deprecated for *several
        years*. Mail forwarding, specifically .forward mail forwarding, is
        officially supported and was never deprecated.
        \_ There is no .forward under ~root.  How do we mail root and how do
           we get responses?
           \_ is and always has been an alias.
2011/9/14-12/28 [Computer/SW/Unix] UID:54172 Activity:nil
9/12    We've restored CSUA NFS to something vaguely resembling normal
        functionality -- plus, with some luck, we should now have something
        vaguely resembling normal uptime, too!  Ping if you
        notice any problems.  --jordan
        \_  Oh, and http://irc.CSUA.Berkeley.EDU is online again.
2011/10/26-12/6 [Computer/SW/Unix] UID:54202 Activity:nil
10/24  What's an easy way to see if say column 3 of a file matches a list of
       expressions in a file? Basically I want to combine "grep -f <file>"
       to store the patterns and awk's $3 ~ /(AAA|BBB|CCC)/ ... I realize
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       \_ UNIX has no magic. Make a shell script to produce the ask or egrep
2011/6/5-8/27 [Computer/HW/Memory] UID:54127 Activity:nil
6/5     In an effort to stabilize our services, we'll be rebuilding parts of
        the CSUA infrastructure over the course of this summer.  To give us
        some wiggle room, I've temporarily decreased soda's allocated RAM from
        8GB to 2GB.  If you need to run something that requires large amounts
        of memory, please send mail to and we'll try to
        accommodate your request.  --jordan
2011/4/27-7/30 [Computer/SW/Unix, Computer/SW/Security] UID:54096 Activity:nil
4/28    Will wall be fixed?   - jsl
        \_ What's wall?
           \_ An anachronism from a bygone era, when computers were hard to
              comeby, the dorms didn't have net, there was no airbears, and
              when phones didn't come standard with twitter or sms.
           \_ A non useful implementation of twitter.
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Register to find out more information about this free program at 15 the mentoring website. Members interested in mentoring should contact jhs as soon as possible. If you don't know what this means, stop by 343 Soda to find out. CSUA User Policy - The Rules * 31 Frequently Asked Questions about the CSUA and Soda * 32 CSUA Constitution * 33 Message of the Day - Including downtime announcements * 34 CSUA Library * 35 CSUA Encyclopedia * Membership application form, in 36 PDF, 37 TeX, 38 DVI, and 39 Postscript. Berkeley Linux Users Group (CalLUG) * The 61 Computer Science Graduate Student Association (CSGSA) * 62 U.
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Team "Lift is the only new framework in the last four years to offer fresh and innovative approaches to web development. It's not just some incremental improvements over the status quo, it redefines the state of the art. Even if you don't wind up using it everyday, it will change the way you approach web applications." Lift is an expressive and elegant framework for writing web applications. Lift stresses the importance of security, maintainability, scalability and performance, while allowing for high levels of developer productivity. Lift View First) And because Lift applications are written in Scala, an elegant new JVM language, you can still use your favorite Java libraries and deploy to your favorite Servlet Container. Use the code you've already written and deploy to the container you've already configured! Scala is a general purpose programming language designed to express common programming patterns in a concise, elegant, and type-safe way. It smoothly integrates features of object-oriented and functional languages. Learn more about Scala Meet the Founder David Pollak David Pollak has been writing commercial software since 1977. He wrote the first real-time spreadsheet and the worlds highest performance spreadsheet engine. Since 1996, David has been using and devising web development tools.