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Re: [Wlug] Problem with usermod

by Mike Leo

sounds like a liveCD would make short work of this. Boot liveCD, mount / somewhere, re-edit your /somewhere/etc/group file --- Jared Greenwald <greenwaldjared(a)gmail.com> wrote: > sudo :) > > On 5/10/06, Chuck Noyes <vze284qe(a)verizon.net> wrote: > > Unfortunately, I don't have write access to /etc and I don't have read > > access to /etc/gshadow. > > > > cp /etc/group /etc/group.SAVE > > cp: cannot create regular file `/etc/group.SAVE': Permission denied > > > > cat /etc/gshadow > > cat: /etc/gshadow: Permission denied > > > > > > Chuck Anderson wrote: > > > On Wed, May 10, 2006 at 10:24:22AM -0400, Chuck Noyes wrote: > > > > > >>'sudo usermod -G <new-group> <my-username>'. Now I only belong to > > >><new-group>. That removed my username from the other groups I belonged > > >>to, including the admin group. > > >>Is there a way undo what I did? I do have a copy of /etc/group before > > >>the change. > > > > > > > > > /etc/group- should be a backup. Also, you need to restore > > > /etc/gshadow-. I would save a copy of the current files: > > > > > > cp /etc/group /etc/group.SAVE > > > cp /etc/gshadow /etc/gshadow.SAVE > > > > > > Then restore the backups: > > > > > > cp /etc/group- /etc/group > > > cp /etc/gshadow- /etc/gshadow > > > > > > You can check the files for correctness: > > > > > > grpck > > > > > > (likewise with passwd, shadow, pwck) > > > _______________________________________________ > > > 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 > > > > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug >

May 10, 2006

Re: [Wlug] Problem with usermod

by Jared Greenwald

sudo :) On 5/10/06, Chuck Noyes <vze284qe(a)verizon.net> wrote: > Unfortunately, I don't have write access to /etc and I don't have read > access to /etc/gshadow. > > cp /etc/group /etc/group.SAVE > cp: cannot create regular file `/etc/group.SAVE': Permission denied > > cat /etc/gshadow > cat: /etc/gshadow: Permission denied > > > Chuck Anderson wrote: > > On Wed, May 10, 2006 at 10:24:22AM -0400, Chuck Noyes wrote: > > > >>'sudo usermod -G <new-group> <my-username>'. Now I only belong to > >><new-group>. That removed my username from the other groups I belonged > >>to, including the admin group. > >>Is there a way undo what I did? I do have a copy of /etc/group before > >>the change. > > > > > > /etc/group- should be a backup. Also, you need to restore > > /etc/gshadow-. I would save a copy of the current files: > > > > cp /etc/group /etc/group.SAVE > > cp /etc/gshadow /etc/gshadow.SAVE > > > > Then restore the backups: > > > > cp /etc/group- /etc/group > > cp /etc/gshadow- /etc/gshadow > > > > You can check the files for correctness: > > > > grpck > > > > (likewise with passwd, shadow, pwck) > > _______________________________________________ > > 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 >

May 10, 2006

Re: [Wlug] Problem with usermod

by Chuck Noyes

Unfortunately, I don't have write access to /etc and I don't have read access to /etc/gshadow. cp /etc/group /etc/group.SAVE cp: cannot create regular file `/etc/group.SAVE': Permission denied cat /etc/gshadow cat: /etc/gshadow: Permission denied Chuck Anderson wrote: > On Wed, May 10, 2006 at 10:24:22AM -0400, Chuck Noyes wrote: > >>'sudo usermod -G <new-group> <my-username>'. Now I only belong to >><new-group>. That removed my username from the other groups I belonged >>to, including the admin group. >>Is there a way undo what I did? I do have a copy of /etc/group before >>the change. > > > /etc/group- should be a backup. Also, you need to restore > /etc/gshadow-. I would save a copy of the current files: > > cp /etc/group /etc/group.SAVE > cp /etc/gshadow /etc/gshadow.SAVE > > Then restore the backups: > > cp /etc/group- /etc/group > cp /etc/gshadow- /etc/gshadow > > You can check the files for correctness: > > grpck > > (likewise with passwd, shadow, pwck) > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug >

May 10, 2006

Re: [Wlug] Problem with usermod

by Chuck Anderson

On Wed, May 10, 2006 at 10:24:22AM -0400, Chuck Noyes wrote: > 'sudo usermod -G <new-group> <my-username>'. Now I only belong to > <new-group>. That removed my username from the other groups I belonged > to, including the admin group. > Is there a way undo what I did? I do have a copy of /etc/group before > the change. /etc/group- should be a backup. Also, you need to restore /etc/gshadow-. I would save a copy of the current files: cp /etc/group /etc/group.SAVE cp /etc/gshadow /etc/gshadow.SAVE Then restore the backups: cp /etc/group- /etc/group cp /etc/gshadow- /etc/gshadow You can check the files for correctness: grpck (likewise with passwd, shadow, pwck)

May 10, 2006

Problem with usermod

by Chuck Noyes

Hi All, I'm running ubuntu (brezzy), and I just shot myself in the foot.... I went to add my username to a new group, but forgot to include the other groups that I belong to in the command. The command I used was 'sudo usermod -G <new-group> <my-username>'. Now I only belong to <new-group>. That removed my username from the other groups I belonged to, including the admin group. Is there a way undo what I did? I do have a copy of /etc/group before the change. Thanks, -Chuck

May 10, 2006

Reminder: Upcoming WLUG meeting

by Andy Stewart

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 HI everybody, At this month's WLUG meeting, Frank Sweetser is going to give a "chalk talk" about Ruby on Rails. The meeting will take place on Wednesday, May 10th, at 7:00 PM in the Access Grid Room on the WPI campus in Worcester, MA USA. Afterwards, we'll go to the Tech Pizza restaurant for the apres-meeting meeting. See ya later, Andy - -- Andy Stewart, Founder Worcester Linux Users' Group Worcester, MA, USA http://www.wlug.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFEX9jwHl0iXDssISsRAmS9AJsE5XwQNjTFfeNhFxzOHSH7y8RaYQCfWHo1 fCy7XB56+Qd8BgyLZUTiEkk= =EwN5 -----END PGP SIGNATURE-----

May 8, 2006

Backing Up/Moving Evolution

by Mims Research

Hi Everyone, Is there a utility to back up Evolution? Or how can I move my Evolution folders listed under "On This Computer" from my hard drive to the server upstairs? I save a lot of my email. I need to find a way to move this stuff so I can get a new dual-boot system (windows/linux). I can't even figure out which directory all this Evolution stuff lives in. Are VFolders or IFolders the answer? I haven't tried either of those, but I believe we have those abilities here on our network. As always, thanks for all the help and support you give to this Linux newbie. All my best, Marie

May 8, 2006

USENIX '06 May 30-June 3, Boston

by Andy Stewart

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ====================================================== Register NOW for USENIX '06: the Annual Technical Conference of the USENIX Association at http://www.usenix.org/usenix06/progm USENIX is back in Boston this May 30 through June 3 with the latest research, security breakthroughs, and practical approaches to the questions and problems you wrestle with. You'll also have many opportunities to chat with peers who share your concerns and interests. *** Over 30 tutorials, featuring: o Dan Geer on Measuring Security o Alex Russell on Ajax and Advanced Responsive WebApp Development o AEleen Frisch on Administering Linux in Production Environments o Abe Singer on Building a Logging Infrastructure and Log Analysis for Security o Bill Cheswick on Defense Against the Dark Arts: Repelling the Wily Hacker (See details at http://www.usenix.org/events/usenix06/ training/) *** Three concurrent tracks of Technical Sessions including Invited Talks, a Systems Practice and Experience track, and a Guru track with your favorite academics and industry researchers on such timely topics as: o Greg Brandeau of Pixar on "Why Mr. Incredible and Buzz Lightyear Need Better Tools" (Plenary) o Trevor Blackwell of Anybots on "Real Operating Systems for Real-time Motion Control" o Peiter "Mudge" Zatko of BBN on "Success, Failure, and Alternative Solutions for Network Security" o Matt Welsh of Harvard on "Deploying a Sensor Network on an Active Volcano" (See details at http://www.usenix.org/events/usenix06/tech/ ) *** Keynote by Larry Peterson of Princeton on "Planetlab: Evolution vs. Intelligent Design in Planetary-Scale Infrastructure" *** Works-In-Progress Reports (WIPs) round out a rich week overflowing with presentations, information, and collaboration. Also: don't miss the opportunity to pose your toughest questions to the experts in the Guru Is In Sessions. Mingle with colleagues and leading experts at the Birds-of-a-Feather sessions (BoFs) and at the various evening social events, including a Poster Session & Happy Hour, vendor sessions, and an off-site conference reception. USENIX '06 promises to be an exciting showcase for the latest in innovative research and cutting-edge practices in technology. We look forward to seeing you in Boston in May. - -------------------------------------------------------------- WHAT: USENIX '06 WHEN: May 30 - June 3, 2006 WHERE: Boston, MA: Marriott Hotel Copley Place WHO: Anyone interested in state-of-the-art computing issues WHY: To get to and stay on the leading edge of practical and actionable research and tools HOW: http://www.usenix.org/usenix06/progm - -------------------------------------------------------------- Five or more people registering together get $100 off per person! Early-Bird Registration discounts end May 12 -- register NOW for the best pricing at: http://www.usenix.org/usenix06/progm ====================================================== - -- Andy Stewart, Founder Worcester Linux Users' Group Worcester, MA, USA http://www.wlug.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFEWq+gHl0iXDssISsRAlIwAJ4uIj+ZmWSpPOlOixG4rle4veBX6ACfXCZx 8F4XjsVouazgM0hJ+6vkyVU= =GxWN -----END PGP SIGNATURE-----

May 5, 2006

Re: [Wlug] Bandwidth sharing problem

by Beaty McCloud

Since my home upload speed is relatively slower, I use a modified ipshaper script to prioritize the outgoing traffic (web, ssh, udp...). This is done with the tc command and runs on a linux firewall, but also depends on iptables to classify the traffic. You could do the same for downloading, it just drops incoming packets when rate ceilings are reached for that classification, forcing the sender to throttle down. Of course this runs on a linux box tho. Have you considered replacing the linksys? This would allow you to split the bandwidth, and when one host needed more, would "borrow" it from the other if it wasn't using it. If the other host was/is, then too bad, it is stuck at that rate. More info is here: #!/bin/sh # # ipshaper - DSL/Cable modem outbound traffic shaper and prioritizer. # Based on the ADSL/Cable wondershaper (www.lartc.org) # -Beaty On 4/27/06, Andre Lehovich <andrel(a)yahoo.com> wrote: > --- Gregory Avedissian <gma2006(a)verizon.net> wrote: > > Is there an easy way to limit download speed on one or both boxes to make > > them share nicely? I looked through the manual for the router, and I don't > > see a way to do it there. If there's not an easy way to do it, I'd still > > like to hear the difficult way to do it. > > The buzzword to read up on is "traffic shaping". Assymetry is going to be a > problem -- while you have a lot of control over what you transmit, you don't > have so much control over what the other end transmits, but that's what you > really want to throttle. > > --Andre > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > _______________________________________________ > Wlug mailing list > Wlug(a)mail.wlug.org > http://mail.wlug.org/mailman/listinfo/wlug >

May 2, 2006

27" Monitor for sale

by James Gray

A coworker of mine is selling a 27" monitor that he is no longer using. Contact me if you are interested and I'll get you his email. Here is his ad: Gateway Destination 27" Monitor - I'm selling a black Gateway Destination 27" monitor. Some of you may have seen the ads Dell has now for the XPS plasma screens, this is a similar concept that Gateway had years ago. This monitor retailed for $400. This monitor's maximum resolution is 800X600 at 65 hertz. It has a VGA cable input and RCA audio inputs for the mounted speakers on the sides. There are two modes, "PC" and "TV" that allow you to adjust the color settings seperately when you're watching television as opposed to using it with your PC. This monitor worked perfectly for me as my television. I used a computer as the center of my multimedia system with a TV tuner card and I was not disappointed with the monitor at all. The monitor takes a standard PC power cord, and I will include one with the monitor. I can also include a 30 foot VGA cable $25 more. If you are running this monitor from a computer with a DVD player, you will be astonished at the quality difference because this monitor operates at 800X600 resolution instead of a standard TV resolution of 484X280. That's about *twice* the clarity! The cheapest 27" TV at Best Buy is $197. This is twice the TV for less than twice the price! Price: $225 - negotiable

May 2, 2006