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Re: [CentOS] CentOS Digest, Vol 57, Issue 14
by tony.chamberlain＠lemko.com 15 Oct '09

15 Oct '09

Thanks for the responses. I think this is what I want to do. I commented out #Defaults requiretty in /etc/sudo. But what I really wanted to do was just place it in VPNUSERS: %vpnusers ALL=NOPASSWD: /sbin/service myciscovpn start, \ /sbin/service myciscovpn stop, \ /sbin/service myciscovpn status, \ /usr/bin/mycisco, /usr/local/bin/vpnclient visudo took it but it did not work. Actually if I could just put it in user tony that would be best: tony ALL=(ALL) NOPASSWD: ALL !requiretty But that gives a syntax error. What is the correct way to specify it? -----Original Message----- > Well, I noticed that ssh/scp probably requires tty and when called > from a script, its not from a tty. > > At least in my case which was drupal calling a script that lauched > ssh, a non tty source. > > I also required running privileged commands. > > Mebbe you don't need all this so check your logs and see what happens. > My last job, I was setting up rsync backups. What I did was create a user, backup, then in /etc/sudoers, have !requiretty *only* for that user. The user was also limited in what commands it could run (in that case, rsync only). Don't forget to log in as that user first, so that you don't get the "Oh, This is a new IP, are you Sure you want to continue connecting?!?!" mark

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Dell Equallogic
by Eugene Vilensky 15 Oct '09

15 Oct '09

Hi List, Does anyone here use Dell Equallogic IP SAN? If so, do you have any immediate high points / low points you wouldn't mind discussing on- or off-list ? Thanks.

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Problems printing landscapes in AR
by MHR 15 Oct '09

15 Oct '09

I have the L&G (AFAIK) Adobe Acrobat Reader, 9.1.0, on my 5.3 x86_64 machine, but it seems to be incapable of printing some landscape-mode PDFs. I created them by printing some wide graphics (PNG) files to PDF files from the image viewer, and that didn't work - AR prints them ONLY in portrait mode, no matter how the portrait-landscape is set, and no matter how it is displayed. Then I tried converting the graphics to PDFs using Adobe Photoshop Elements 2.0 (yeah, I know it's old, but it's free and it works for some things the GIMP won't do, like making graphics into PDFs) on my virtual WinXP SP2 "box" and got the same results. To my surprise, if I just print the PNGs from the image viewer, they print in landscape mode just fine (although they display in pseudo-portrait mode as counter-clockwise rotated images). Anyone got a clue why this might be? I blew away the PDFs that wouldn't print ('cuz I was pissed) but I can recreate them if needed. And, no, I'm not interested in tiff2pdf - it made enormous PDFs (4-10x original file size) out of every TIF I've tried with it, and APE2 makes little ones that are just as good _and_ smaller. Thanks. mhr

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Mounting Network Storage Issues
by DTS-Corp (Knowledgebase) 15 Oct '09

15 Oct '09

I have an Iomega NAS 1TB drive that I am using as just kind of a file sharing solution between all of my computers. Of course it is on a timed backup with my server however it just serves as a temporary solution for a bigger problem ( IE 15 different puters of all various OS Flavors). However I am not able to connect to any network storage server such as Windows PC's or NAS Storage using map network drive functions normally used with windows on CentOS. I am wondering if there is something goofy with this or is Cent just incompatible with NTFS network storage drives?

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QT-Designer 4
by DTS-Corp (Knowledgebase) 15 Oct '09

15 Oct '09

Does anyone know if there is any compatible QT-Designer for use with Cent OS other than 3 EL5? I am still trying to get keepassx to work with CentOS

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CentOS 5.3 on X86_64: yum installs both i386 and x86_64 packages
by Patrick McEvoy 14 Oct '09

14 Oct '09

Hello, Is it advisable to clean up the system by deleting the i386 rpms? If so how do you know which ones to remove and which ones CentOS or RHEL require to be installed? You can use “yum list installed \*.i386″ to list all of the i386 rpms installed on your x86_64 system and I assume you could use “yum remove installed \*.i386″ to remove them all. If there were a few which were necessary to keep you could exclude them in yum.conf. Thanks for the help, Patrick

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Simple way to banish IP addresses ?
by Niki Kovacs 14 Oct '09

14 Oct '09

Hi, I just set up a web server... and my bandwidth is being eaten by some chinese folks trying to brute-force-ssh their way into the machine. Is there a simple way to banish either single IP addresses or, maybe even better, whole IP classes ? I know it's feasible with iptables, but is there something more easily configurable ? Cheers, Niki

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Update question
by Ron Loftin 14 Oct '09

14 Oct '09

I have some customer machines that have not been updated for some time, and are still on CentOS 5.2. While reading the release notes for 5.4, I have not yet seen anything that looks like it needs attention, but are there any known issues or "gotchas" related to moving directly from 5.2 to 5.4? Comments, pointers, things to look for are all welcome. Thanks muchly. -- Ron Loftin reloftin(a)twcny.rr.com "God, root, what is difference ?" Piter from UserFriendly

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Best practice settings for channel bonding interface mode?
by Götz Reinicke - IT-Koordinator 14 Oct '09

14 Oct '09

Hi, may be there are some best practice suggestions for the "best mode" for channel bonding interface? Or in other words, when should/would I use which mode? E.g. I do have some fileservers connected to the users lan and to some ISCSI Storages. Or some Webservers only connected to the LAN. The switches are all new cisco models. I've read sone docs (1), (2) and (3) so the theory is mostly clear. Thanks for any suggestion or hint, Best regards, Götz (1) http://www.linuxhorizon.ro/bonding.html (2) http://www.linuxtopia.org/online_books/rhel5/rhel5_administration/rhel5_s1-… (3) http://www.linuxtopia.org/online_books/rhel5/rhel5_administration/rhel5_s1-… -- Götz Reinicke IT-Koordinator Tel. +49 7141 969 420 Fax +49 7141 969 55 420 E-Mail goetz.reinicke(a)filmakademie.de Filmakademie Baden-Württemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de Eintragung Amtsgericht Stuttgart HRB 205016 Vorsitzende des Aufsichtsrats: Prof. Dr. Claudia Hübner Staatsrätin für Demographischen Wandel und für Senioren im Staatsministerium Geschäftsführer: Prof. Thomas Schadt

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scp with tty
by tony.chamberlain＠lemko.com 13 Oct '09

13 Oct '09

Hello I need to know a way to have scp allocate a tty on a remote machine so I can have it run sudo and activate a vpn which it will need to activate. scp with "-S" does not work. I can't chmod +s the cisco vpn client because when I try to run it it says it can not have setuser. I could have the user scp via root but I do not want to do that. Any way to have scp allocate a tty?

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