- WLUG - wlug.mailman3.com

Dec Meeting announcement / linux-raid problem
by Eric Martin 16 Jan '11

16 Jan '11

I just realized that I haven't received anything from WLUG in over a month, including the announcement for this past meeting. Did anybody else have this problem or is it just me? Now, the main reason for my email. My mythbox / home file server runs linux soft-raid in RAID5 with 3 500GB disks. One disk went bad a while ago and the array never rebuilt itself. The other day, the second disk went bad. Am I hosed? I've been googling for 'rebuild bad linux software raid' but all I get is the rebuild command. Also, I don't see any tools that will move bad data to another spot on the disk. This is my first time using software raid so I'm in a bit over my head. thanks! -- Eric Martin

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Old man and LINUX
by Ken Jones 14 Jan '11

14 Jan '11

Folks, I have always wondered at my ability to keep the myriad of LINUX instructions in my head. What would I do if I were to start losing them? Is there a tool to search for recall? Is there any way to go backwards in LINUX command land? If I were to remember that there is a command that will print on standard output the contents of a file in txt characters, but could not for the life of me remember 'more'. Where would I go for help (other than sending a email to this list serve)? All the command dictionaries I have are alphabetic. Ken Jones (the elder)

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Re: [Wlug] Old man and LINUX
by Steven Greenberg 13 Jan '11

13 Jan '11

Unix/Linux command names were exactly what drove me crazy when I first had to use Unix. I wanted to list something on the terminal, or maybe type it. Who would have thought to "cat" it or "more" it. And then we have the aptly named utilities like "awk". I was so proud when it finally dawned on me what the letters "a" "w" and "k" stood for. So I eventually did learn all the commands, but I never thought about the problem of forgetting them until this digest entry. I had the same reaction to emacs in the beginning. Doing apropos in emacs is not helpful when the concept you associate with the task is nothing like the way it is named or described in Emacs. I have learned to write down in a diary on my computer every time I finally find the hard to find command in either Emacs or unix/linux. The next time I want to do the same thing and I have forgotten what the command is, and I finally give up trying to find it in emacs, I can search my diary. Chances are the diary entry will be associated with the word I mentally associate with the task. /Steve -- Steven Greenberg Email: steve(a)ssgreenberg.name 251 Holland Rd. Phone: (774)241-0095 Fiskdale, Massachusetts 01518-1231 Web: http://www.ssgreenberg.name Other Email: s.greenberg(a)ieee.org ssg(a)alum.mit.edu

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Old man and LINUX
by temljrmjrlmr＠comcast.net 13 Jan '11

13 Jan '11

Try "fc -l" (thats dash ell) no quotes shows a tail of whats in .bash_history I think Or - if you know the command's number in the history sequence "fc {$line_no}" Brings Previous command comes up in your default editor Default here (Ubuntu Hardy) was set to the nano editor for some reason so i did FCEDIT=vi ; export FCEDIT NOW things are more better Jay Louis J Rouleau Semi-Old Man South Hadley --------------- Date: Wed, 12 Jan 2011 16:02:29 -0500 From: Jorden M <jrm8005(a)gmail.com> Subject: Re: [Wlug] Old man and LINUX To: Worcester Linux Users Group <wlug(a)mail.wlug.org> Message-ID: <AANLkTi=NDA=EenfiOTAcnROVGEjfajmH93mwss5vj9XQ(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 On Wed, Jan 12, 2011 at 3:56 PM, Ken Jones <kjones(a)ziplink.net> wrote: > Folks, > > I have? always wondered at my ability to keep the myriad of LINUX > instructions in my head.? What would I do?if I were to start losing them? > Is there a tool to search for recall? > > Is there any way to go backwards in LINUX command land? ?If I were to > remember that there is a command that will print on standard output the > contents of a file in txt characters,? but could not for the life of me > remember 'more'.? Where would I go for help (other than sending a email to > this list serve)?? All the command dictionaries I have are alphabetic. > > Ken Jones (the elder) > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug > > apropos, although that isn't always helpful. Google. There are also some sites that have commands listed categorically. ------------------------------ Message: 4 Date: Wed, 12 Jan 2011 19:00:25 -0500 From: "John Stoffel" <john(a)stoffel.org> Subject: Re: [Wlug] Old man and LINUX To: Worcester Linux Users Group <wlug(a)mail.wlug.org> Message-ID: <19758.16537.740475.105771(a)quad.stoffel.home> Content-Type: text/plain; charset=us-ascii >>>>> "Ken" == Ken Jones <kjones(a)ziplink.net> writes: Ken> Folks, Ken> I have always wondered at my ability to keep the myriad of LINUX instructions in my head. What would I do if I were to start losing them? Is there a tool to search for recall? Ken> Is there any way to go backwards in LINUX command land? If I Ken> were to remember that there is a command that will print on Ken> standard output the contents of a file in txt characters, but Ken> could not for the life of me remember 'more'. Where would I go Ken> for help (other than sending a email to this list serve)? All Ken> the command dictionaries I have are alphabetic. man -k something where something is vaguely related to your needs. In this case, I just did 'man -k text' and the last things that popped up were 'zmore'. Plus a bunch of other system calls and library calls about text handling. Maybe pickup one of the linux for beginners books that O'Reilly puts out? Unix in a Nutshell, etc. That should help you find commands. Also, *any* text editor will let you read a text file, even if you don't want to edit it. John ------------------------------ Message: 5 Date: Wed, 12 Jan 2011 19:24:17 -0500 From: Gregory Avedissian <avedis.g(a)verizon.net> Subject: Re: [Wlug] Old man and LINUX To: Worcester Linux Users Group <wlug(a)mail.wlug.org> Message-ID: <4D2E4631.7020705(a)verizon.net> Content-Type: text/plain; charset=ISO-8859-1 The up arrow will take you through your command history in reverse order. If you want to see more than one command at a time, open .bash_history in your home with a text editor, or, while you're still remembering it, do 'more .bash_history'. If you remember the command, but you can't recall what options you used with it, 'grep some-command .bash_history' can help. You can set the system to hold more commands, if you want. In debian, the default is to hold the last 500 commands. I don't recall what it is in other distros. Spiral-bound notebook is good, too. A couple of pages of your favorite commands and just about anything else will still be readable if the system crashes. Greg Avedissian On 01/12/2011 03:56 PM, Ken Jones wrote: > > Folks, > > I have always wondered at my ability to keep the myriad of LINUX > instructions in my head. What would I do if I were to start losing > them? Is there a tool to search for recall? > > Is there any way to go backwards in LINUX command land? If I were to > remember that there is a command that will print on standard output the > contents of a file in txt characters, but could not for the life of me > remember 'more'. Where would I go for help (other than sending a email > to this list serve)? All the command dictionaries I have are alphabetic. > > Ken Jones (the elder) > > > > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug ------------------------------ Message: 6 Date: Wed, 12 Jan 2011 19:44:57 -0500 From: James Gray <jamespgray(a)gmail.com> Subject: Re: [Wlug] Old man and LINUX To: Worcester Linux Users Group <wlug(a)mail.wlug.org> Message-ID: <AANLkTineh9rsmE0TaHudw2xa6nu6GTWGTO-9jKv27F9R(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 If Google and other search commands don't get what you want you could buy a reference book. Or you could create your own cheat sheet. On Wed, Jan 12, 2011 at 3:56 PM, Ken Jones <kjones(a)ziplink.net> wrote: > Folks, > > I have? always wondered at my ability to keep the myriad of LINUX > instructions in my head.? What would I do?if I were to start losing them? > Is there a tool to search for recall? > ------------------------------ Message: 7 Date: Wed, 12 Jan 2011 19:52:13 -0500 From: Jorden M <jrm8005(a)gmail.com> Subject: Re: [Wlug] Old man and LINUX To: Worcester Linux Users Group <wlug(a)mail.wlug.org> Message-ID: <AANLkTikB6P0JK-9nUJ9Lws2sVSvC5y2AzXF=bx8ggjjD(a)mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 apropos is equivalent to man -k On Wed, Jan 12, 2011 at 7:00 PM, John Stoffel <john(a)stoffel.org> wrote: >>>>>> "Ken" == Ken Jones <kjones(a)ziplink.net> writes: > > Ken> Folks, > Ken> I have ?always wondered at my ability to keep the myriad of LINUX instructions in my head. ?What would I do if I were to start losing them? ? Is there a tool to search for recall? > > Ken> Is there any way to go backwards in LINUX command land? ?If I > Ken> were to remember that there is a command that will print on > Ken> standard output the contents of a file in txt characters, but > Ken> could not for the life of me remember 'more'. ?Where would I go > Ken> for help (other than sending a email to this list serve)? ?All > Ken> the command dictionaries I have are alphabetic. > > man -k something > > where something is vaguely related to your needs. ?In this case, I > just did 'man -k text' and the last things that popped up were > 'zmore'. ?Plus a bunch of other system calls and library calls about > text handling. > > Maybe pickup one of the linux for beginners books that O'Reilly puts > out? ?Unix in a Nutshell, etc. ?That should help you find commands. > > Also, *any* text editor will let you read a text file, even if you > don't want to edit it. > > John > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug > ------------------------------ Message: 8 Date: Wed, 12 Jan 2011 21:19:39 -0500 From: Franklin Moody <fmoody(a)moodman.org> Subject: Re: [Wlug] Old man and LINUX To: Worcester Linux Users Group <wlug(a)mail.wlug.org> Message-ID: <20110113021937.GB13934(a)fmoody.moodman.org> Content-Type: text/plain; charset=us-ascii On Wed, Jan 12, 2011 at 07:24:17PM -0500, Gregory Avedissian wrote: > The up arrow will take you through your command history in reverse order. > If you want to see more than one command at a time, open .bash_history in > your home with a text editor, or, while you're still remembering it, do > 'more .bash_history'. If you remember the command, but you can't recall > what options you used with it, 'grep some-command .bash_history' can help. > > You can set the system to hold more commands, if you want. In debian, the > default is to hold the last 500 commands. I don't recall what it is in > other distros. > > Spiral-bound notebook is good, too. A couple of pages of your favorite > commands and just about anything else will still be readable if the system > crashes. > > Greg Avedissian I usually use "history | grep $blah" when looking for a particular set of command line options... On machines where I don't intentionally disable history for security... Frank ------------------------------ _______________________________________________ Wlug mailing list Wlug(a)mail.wlug.org http://mail.wlug.org/mailman/listinfo/wlug End of Wlug Digest, Vol 87, Issue 9 ***********************************

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Re: [Wlug] Old man and LINUX
by Aljerin Butler,Jr. 13 Jan '11

13 Jan '11

Try http://www.linuxmanpages.com/. It has every command you've probably ever used and then some. Al Butler http://customlinux.tripod.com/ --- On Thu, 1/13/11, wlug-request(a)mail.wlug.org <wlug-request(a)mail.wlug.org> wrote: From: wlug-request(a)mail.wlug.org <wlug-request(a)mail.wlug.org> Subject: Wlug Digest, Vol 87, Issue 9 To: wlug(a)mail.wlug.org Date: Thursday, January 13, 2011, 12:00 PM Send Wlug mailing list submissions to wlug(a)mail.wlug.org To subscribe or unsubscribe via the World Wide Web, visit http://mail.wlug.org/mailman/listinfo/wlug or, via email, send a message with subject or body 'help' to wlug-request(a)mail.wlug.org You can reach the person managing the list at wlug-owner(a)mail.wlug.org When replying, please edit your Subject line so it is more specific than "Re: Contents of Wlug digest..." Today's Topics: 1. Re: Canceled due to weather: WLUG meeting Wed 1/12/2011 (Theo Van Dinter) 2. Old man and LINUX (Ken Jones) 3. Re: Old man and LINUX (Jorden M) 4. Re: Old man and LINUX (John Stoffel) 5. Re: Old man and LINUX (Gregory Avedissian) 6. Re: Old man and LINUX (James Gray) 7. Re: Old man and LINUX (Jorden M) 8. Re: Old man and LINUX (Franklin Moody) _______________________________________________ Wlug mailing list Wlug(a)mail.wlug.org http://mail.wlug.org/mailman/listinfo/wlug

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Canceled due to weather: WLUG meeting Wed 1/12/2011
by Chuck Anderson 12 Jan '11

12 Jan '11

Hi folks, Due to the weather WPI has decided to close the campus tomorrow. Therefore, our WLUG meeting which was scheduled to be held on Wednesday, January 12 at 7:00 PM at the WPI campus has been canceled. I look forward to seeing everyone at our meeting next month, Wednesday, February 9, 7:00PM. Keep it safe, Chuck President, Worcester Linux Users' Group

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Proposed Meeting topic: Virtualization technologies...
by Tim Keller 10 Jan '11

10 Jan '11

Hey Gang, I'd be up for giving a talk about virtualization technologies. Type 1 vs. type 2 hypervisors, open sores vs. closed, etc. Thanks, Tim. -- I am leery of the allegiances of any politician who refers to their constituents as "consumers".

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Re: [Wlug] Wlug Digest, Vol 87, Issue 3
by Kevin Harrington 06 Jan '11

06 Jan '11

Try "sudo su". I remember needing to do this on some Linux variant, but I don't remember which. ~Kevin Harrington On Jan 6, 2011, at 12:00 PM, wlug-request(a)mail.wlug.org wrote: > Send Wlug mailing list submissions to > wlug(a)mail.wlug.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://mail.wlug.org/mailman/listinfo/wlug > or, via email, send a message with subject or body 'help' to > wlug-request(a)mail.wlug.org > > You can reach the person managing the list at > wlug-owner(a)mail.wlug.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Wlug digest..." > > > Today's Topics: > > 1. Re: problems with su (WAS: help) (Tal Cohen) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 6 Jan 2011 10:18:33 -0500 > From: "Tal Cohen" <wlug(a)cohen123.com> > Subject: Re: [Wlug] problems with su (WAS: help) > To: "Worcester Linux Users Group" <wlug(a)mail.wlug.org> > Message-ID: <4C901AF48ABD4E078B84E9530841B1A0@assetid00041> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > Does "which su" find su in your path? > > If not, try "find / -name su" to find out where it is on your system. > > > ----- Original Message ----- > From: "Eric J. Martin" <eric.joshua.martin(a)gmail.com> > To: "Worcester Linux Users Group" <wlug(a)mail.wlug.org> > Sent: Thursday, January 06, 2011 9:04 AM > Subject: Re: [Wlug] problems with su (WAS: help) > > >> _______________________________________________ >> Wlug mailing list >> Wlug(a)mail.wlug.org >> http://mail.wlug.org/mailman/listinfo/wlug >> > > > ------------------------------ > > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug > > > End of Wlug Digest, Vol 87, Issue 3 > ***********************************

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Any idea where to find a job?
by Jason Couture 23 Dec '10

23 Dec '10

If anyone knows of any entry level it oppurtunities in the area, it would be much appreciated. I have 0 certifications but I can more than prove myself. I've been stuck in retail for a few years now and id like to escape it. If anyone knows of any positions, please let me know. :-) Thanks in advance! Sent from my android wireless device.

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disk/Raid ideas
by Doug Mildram 21 Dec '10

21 Dec '10

You're hosed (i think) unless -- you're rich and you send the disks to a shop for megabucks (they may start with a trivial purchase of 2-3 identical model disks) -- OR IF your problem was NOT the actual platters/heads, YOU obtain 1-2 same-model disks, swap the board from a replacement disk onto your hosed disk ( w/ sm torx tool and brave fingers ) I've not done this myself yet. I HAVE had "stiction" problems where (after a power out or a "rest" so a disk bearing/lubricant gets a chance to harden) the disk just isnt spinning up. Of course, tapping/whacking it at the right/initial moment will usually cure that and you can feel if it's spinning or not....if you can hold it in your hand ...OR somehow get hands-on during powerup.

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