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Detecting outgoing SPAM in postfix
by Stuart Bailey 23 Apr '12

23 Apr '12

Hello, Does anyone know if Postfix can detect outgoing SPAM, or more specifically bulk emails? I think a way to restrict or limit a hosted domain to sending only a few emails per hour would solve my problem. Many thanks, Stuart Stuart Bailey BSc (hons) CEng CITP MBCS LinuSoft (Managing Director) Linux Specialist & Software Developer ~~~~~~~~~~~~~~~~~~~~~~~ Phone: (0845) 658 3563 Direct: +44 (0) 1953 878162 Fax: +44 (0) 1603 858583 ~~~~~~~~~~~~~~~~~~~~~~~ http://www.linusoft.co.uk __________ Information from ESET Mail Security, version of virus signature database 7068 (20120419) __________ The message was checked by ESET Mail Security. http://www.eset.com

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Re: [ALUG] Fwd: [Apologies to All] Paging Tony Anson
by Anthony Anson 20 Apr '12

20 Apr '12

I took this to e-mail, but it seems still to be turning-up on ALUG - or is that only in my installation of Thunderguts? -- Tony Anson www.girolle.co.uk/

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ARM emulation
by Mark Rogers 18 Apr '12

18 Apr '12

I want to play with Linux (inc. maybe Android) on ARM platforms, and figured the Raspberry Pi would be a good target platform, albeit hard to get my hands on right now. Has anyone here played with this who can give me any suggestions as to where I should start? I can see various suggestions on the R.Pi website (QEMU or Scratchbox) so I'm really just asking to seek the benefit of anyones experience here, otherwise I'll pick one of the examples out there and see where it gets me. Separately: I've not done a lot with ARM in the past. How transferable are skills learned (and code written) between ARM platforms? I quite like the look of some of the ARM dev boards you can get on eBay, for example, and I'm sure the range of options will only increase over time, so I don't want to tie myself to the R.Pi any more than I need to at this stage. -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0844 251 1450 Registered in England (0456 0902) 21 Drakes Mews, Milton Keynes, MK8 0ER

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Job Vacancy: I'm moving jobs, and am looking for someone to fill my shoes
by Jim Rippon 18 Apr '12

18 Apr '12

Hi all, Let me start by saying I am not a recruiter, this is a genuine attempt to help my employers find a replacement for when I leave for pastures new in June. They are looking for a Network Admin / Linux Systems Admin based in Cambridge. Its working as part of a small local team, responsible for production and office systems in the UK and EMEA and as part of the larger organisation based in two locations in Canada. I can certainly recommend the job, the team are good and there's plenty of interesting work coming down the pipeline to get your teeth into, as well as the possibility of travel to other locations in the organisation as appropriate (for example, I have travelled to FOSDEM in Brussels this year with the company as well as trips to our datacentre and corporate offices). Systems I work on include: * Cisco switching, routing, security, vpn, mpls, vlan, qos * Juniper firewalls (SSG-series), ssl vpn (SA-series) * Sonicwall firewalls * Checkpoint firewalls * Linux (mostly RHEL/CentOS, also some ubuntu/debian) * HP Proliant Servers and storage * HP MSA SAN * NetApp iSCSI SAN * IoMega iSCSI NAS Software I use lots of: * RHEL 5/6, CentOS 5/6 * Puppet * Nagios * Cacti * Rancid * RT Request Tracker * Splunk * MySQL Useful skills: * Network design and security focus * Perl/Bash scripting They are looking for a network and security focus, so any Cisco, juniper, security certifications or experience would be a bonus, as well as any certifications and experience in Linux specifically RedHat. I'm not party to the budget for the position, but would expect it to be fairly competitive and there is the opportunity to join the on-call rota for additional pocket-money (roughly once every 4-5 weeks having 24/7 break-fix on-call responsibility for production systems, not usually too disruptive). If you are interested, or know someone who might be, please get in touch by email and I'll let you have more details and answer any questions that I can. Regards, Jim

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"stumbleupon.com"
by Ted.Harding＠wlandres.net 17 Apr '12

17 Apr '12

Greetings All! I wanted to follow up on the Health and Social Care Bill 2012, and was led to the link: http://www.dh.gov.uk/health/2012/03/royalassent/ When I go to this using Mozilla Iceweasel, I get a brief glimpse of the relevant page, which opens: Health and Social Care Bill gets Royal Assent 27 March 2012 Then the screen goes blank, and the browser hangs forever (i.e. still hung after 20 minutes) with "Read platform.stumbleupon.com" showing at the bottom. This is with Iceweasel 2.0.0.19 on Debian Etch and Iceweasel 3.0.6 on the later Debian Lenny. However, when I tried the same link on Windows Internet Explorer there was no problem. The full page came up, and there was no mention of "stumbleupon". This is on Windows Vista (some years old). I've not had this problem with other sites, including Government websites such as http://www.legislation.gov.uk/ukpga/2012/7/contents/enacted (another link in the Health and Social Care Bill search), so I'm wondering how it came about and what to do about it! Anyone else experiencing similar problems? An6y useful knowledge? With thanks, Ted. ------------------------------------------------- E-Mail: (Ted Harding) <Ted.Harding(a)wlandres.net> Date: 17-Apr-2012 Time: 11:08:07 This message was sent by XFMail -------------------------------------------------

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Re: [ALUG] ARM emulation
by Mark Rogers 16 Apr '12

16 Apr '12

On 16/04/12 14:48, Anthony Anson wrote: > Keep your eye on Clas Olsen (Norwich, especially) - it's possible that they > might be trying to get some Raspberries. I do have one on order (ie I got to the point of them taking my CC details, so I got past the waiting list to get that far) but no idea when I'll see the device for real. In any case I'd like to have an emulator to play with because that's more portable (ie I can play anywhere I have my laptop without taking hardware with me). -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0844 251 1450 Registered in England (0456 0902) 21 Drakes Mews, Milton Keynes, MK8 0ER

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[ALUG Announce] 3rd Monday Monthly Ipswich Social Meeting : McGintys, Northgate Street ALUG
by samwise 16 Apr '12

16 Apr '12

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce ----- The monthly "Third Monday" ALUG Ipswich Social Meeting is back tonight - Monday, 16th April, at 20:00: P J McGinty & Sons 15 Northgate Street Ipswich Suffolk IP1 3BY Tel: 01473 251 515 Map/Directions URI: http://maps.google.co.uk/?q=IP1+3BY WWW: http://www.pjmcgintys.co.uk/ McGintys pub is in the centre of Ipswich. It's directly opposite the town's central library and has a reputation for good Irish beer. We're usually to be found in the lowest section of the bar, near the library entrance to the pub. All are welcome, novices and experienced users. Feel free to ask for further information on the Main ALUG mailing list. Peter. ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce

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Pointing Device Problems
by Paul Grenyer 12 Apr '12

12 Apr '12

Hi All I've bought a LP107T from August International Ltd pointing device and I'm running Linux Mint. When I plug the device in, the buttons that should move my Libre Office slides actually just move the mouse from left to right. Is there a Linux configuration setting I can adjust to fix this? -- Thanks Paul Paul Grenyer e: paul.grenyer(a)gmail.com b: paulgrenyer.blogspot.com t: pjgrenyer

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[Apologies to All] Paging Tony Anson
by Koralatov Koralatov 11 Apr '12

11 Apr '12

Could you please get in touch? -- Many thanks, Mike

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[ALUG Announce] ALUG Norwich Pub Meet Thursday 12th April
by Viperfang 10 Apr '12

10 Apr '12

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce ----- Hello Norwich Aluggers, Our monthly ALUG Norwich social meeting will be held this Thursday, 12th April at The Coach and Horses (82 Thorpe Road, Norwich, NR1 1BA). The meeting officially starts at 8pm, although some people may arrive earlier. More information on those people can be found on the list and the IRC channel. If you are unsure if you will recognise us then make yourself and your intent to attend known by either posting on list or visiting us on IRC so we can look out for you rather than hiding in the corner. Optionally you could ask at the bar if they know where the geeky computer weirdos are and they'll point you in the right direction (seriously!). Another possibility is look for heaps of electronics on a table that may possibly look like movie props that would used for detonating explosives. Feel free to bring electronics/laptops/gadgets to the meet, you will by no means be alone. Ben Bewick aka Viperfang NB: This mail is automated, please refer to the usual sources for more information. ALUG Contact Details: Website : http://www.alug.org.uk/ IRC : #alug on irc.alug.org.uk List : http://lists.alug.org.uk/mailman/listinfo Twitter : http://twitter.com/anglianlug Identica: TBA Facebook: http://www.facebook.com/group.php?gid=2381613902 ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce

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Re: [ALUG] Machine won't boot after re-install
by cdw_alug＠the-walker-household.co.uk 05 Apr '12

05 Apr '12

>> Hello Jim, >> >> I've fixed the fstab file but it's still doing it. I *think* the >> problem is the grub configuration. Is there any way I can fix that >> without another re-install? I have to say I'm getting quite adept at >> that now though! >> > Hi Chris, > > Depending on how your installer has managed the disk partitioning, you > will either find the grub configuration in /boot/grub on your root > partition, or on its own boot partition (check in the afore-mentioned > fstab file for an entry mounted at "/boot"). In here you'll have a grub > folder containing menu.lst > > This config file drives your grub bootloader, its possible that the > commands in here are pointing at a uuid or partition thats incorrect - > make a note of all the partitions you've installed to, and ensure they > appear something like the following for your linux boot entry: I've fixed the fstab and grub configs and now I can successfully log in so thanks to both you and Wayne for your help. But I need some more :-( All of the icons on the desktop (I'm the only user) have a red exclamation mark against them and won't run. I've looked at the properties of the icons and they show 'User: 500' and 'Group: chris'. If I look at the /etc/group file, part of it shows this :- chris:x:500: vboxusers:x:502:chris boinc:x:419:chris gnokii:x:418:chris nas:x:501:chris I've looked at various sites online trying to get to grips with groups and users but to no avail. What should I change/add/delete in this file to fix the problem? I think somebody did try to explain this to me in the past but although I kept the mail, I can't get Thunderbird to run so I can't find the relevant mail. The various files in /home/chris show up as 'chris chris' when listed with ls -la I have to confess that it may be caused by a typo on my part! I'm not sure if my account should be Chris or chris so is that likely to be the problem or a red herring?

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Does something happen to a WLAN connection every minute?
by Mark Rogers 05 Apr '12

05 Apr '12

I've spent pretty much a whole day on this.... I have a little (ARM-based) Linux (Ubuntu) box connected wirelessly to my LAN. Every minute (via cron) it runs a script which opens a UDP port, then sends a UDP message every second (for 59s) logging the result. For hours I could not work out why more often than not, the script would lock up to 45s then hang - subsequent runs would fail because the port was still held open, and I had to kill the previous instance of the script to get things working again. If I put delays in the script so it didn't do anything for the first (say) 40s, then it still failed at 45s. If I removed the delays so it ran all 60 requests without gaps, they all completed fine (in a couple of seconds). Then on a whim I rebooted and nothing changed, except that the 45s became 38s. Then on another whim, I plugged in a network cable and it's been stable since. So, what might be happening every minute that would cause an existing UDP "connection"[1] to fail? Looking at syslog, the 38s ties in with when NetworkMangler brought the wireless connection up (with dhcp). If it's likely to be hardware specific then I'll probably just change the hardware, but I'd like this to work wirelessly and if there's something happening behind the scenes that could cause this I'd like some clues as to what it might be! [1] Yes, UDP is connectionless so this phrase is a bit meaningless. Hopefully you know what I mean. -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0844 251 1450 Registered in England (0456 0902) 21 Drakes Mews, Milton Keynes, MK8 0ER

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Re: [ALUG] Machine won't boot after re-install
by Jim Rippon 04 Apr '12

04 Apr '12

Re-posting as my reply wasn't to the group at large last time. Grub2 introduces further complications, and I'd have to refer you to your distribution's documentation on the subject, or a search for "grub2 configuration" - wayne's suggestion to not overwrite /boot with your restore is important. Jim > Hello Jim, > > I'm writing this from a webmail account so apologies for not snipping > anything. > > I've fixed the fstab file but it's still doing it. I *think* the > problem > is the > grub configuration. Is there any way I can fix that without another > re-install? I have to say I'm getting quite adept at that now though! > Hi Chris, Depending on how your installer has managed the disk partitioning, you will either find the grub configuration in /boot/grub on your root partition, or on its own boot partition (check in the afore-mentioned fstab file for an entry mounted at "/boot"). In here you'll have a grub folder containing menu.lst This config file drives your grub bootloader, its possible that the commands in here are pointing at a uuid or partition thats incorrect - make a note of all the partitions you've installed to, and ensure they appear something like the following for your linux boot entry: title Arch Linux root (hd0,0) kernel /vmlinuz-linux root=/dev/sda3 ro initrd /initramfs-linux.img The important lines are: * root (hd0,0) -> pointing at the first disk, and first partition as the location for the boot files (the grub files and kernels where you found this config file normally - either your root partition or a seperate boot partition) * kernel /vmlinuz-linux root=/dev/sda3 ro -> this is the line which starts the kernel from your boot partition and tells it where to mount its root filesystem (in my case here, my system has created an initial ramdisk and its root partition is /dev/sda3 - partition 3 on my first SATA disk). Hope this helps point you the right direction. Jim > > I do have a liveCD - I run Mandriva 2011 - but I want to make sure I > don't > screw up anything else in trying to fix this problem. > > One other source of rogue files is the /run folder as that has a > couple of > files in /run/udev/rules.d/99-root.rules and 99-resume-link.rules but > even > deleting those had no effect so that's when I went looking for other > causes. I've examined the .tgz backup files under Windows (the > machine > dual boots) and that's where I've just discovered the grub files. > > Regards > Chris

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Machine won't boot after re-install
by cdw_alug＠the-walker-household.co.uk 04 Apr '12

04 Apr '12

I did a backup of my machine using tar commands and have then resized the various partitions. I reinstalled the OS from the original DVD and then started to restore the original files, extracting them from the various tar files - I wrote a separate tar file for each of the folders in starting from / such as '/opt-backup.tgz' I took notice of what Brett said last week about not doing a backup of /dev so that should remain untouched from the install. But now having restored everything, it comes up with the message 'No root device "block:/dev/disk/by-uuid/<disk-id here>" found and then 'resume device /dev/disk/by-uuid<another disk-id>' If I start again with the install, which of the various tar files should I *not* restore to avoid this problem ad infinitum? TIA.

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2600 meeting at 18:00 on Friday the 6th April.
by Viperfang 03 Apr '12

03 Apr '12

Quick heads up about this months Norwich 2600 meeting, more info at http://www.norwich2600.co.uk

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Processing power and bandwidth needed for streaming internet radio
by Chris Green 02 Apr '12

02 Apr '12

I'm confused! (so what's new?) My Acer Aspire laptop runs the little dedicated internet radio application I found quite recently with no problems at all when I run it at home. There it has an ADSL connection with something between 3Mb/s and 4Mb/s. However when I try it here (in France) using the WiFi service here it's completely useless, i.e. it produces about one second in five of actual sound. The bandwidth here is quite good though, the BBC iPlayer bandwidth check (which should be vaguely relevant as I'm trying to listen to the BBC) tells me:- Download speed: 1778 kbps Streaming speed 1: 1512 kbps Streaming speed 2: 1958 kbps Streaming speed 3: 1122 kbps Which the BBC says isn't quite enough for HD TV (!) but should manage anything else - all I want is a single radio channel! Does a lower connection speed require a faster processor to keep up or should I be looking somewhere else for what's causing the totally broken up internet radio here? -- Chris Green

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Really odd USB error/failure with Genius mouse
by Chris Green 02 Apr '12

02 Apr '12

I'm not really expecting a solution to this, just ranting/reporting an oddity. It confirms my general distrust/hatred of USB in general! :-) I have a little Acer Aspire netbook that I use (as I am now) when away from home, it runs xubuntu 11.10 (though I'm fairly certain I saw the same problem with previous versions of xubuntu). I use a Genius/Kye Traveller 350 mouse with it rather than the horrible touchpad. This works beautifully as it's actually a trackball rather than a mouse and has a scrollwheel and a fourth button that I have programmed as a double click of button one - bliss! :-) However after a random amount of time the Genius mouse stops working, since this is quite a long time (like hours rather than minutes) it doesn't often worry me too much as I don't spend hours on my laptop. Tonight though I decided to have a play and see if I could work out why it stops working (as the netbook had been left turned on and the mouse had, as usual, stopped working). I have the mouse plugged into the left hand side of the netbook where there are two USB ports as I usually use it left handed (even though I'm actually right handed). Since it had died just now I unplugged it and plugged it back in a couple of times, nothing, dmesg/syslog shows nothing, it's as if the mouse doesn't exist. If I reboot though it will work with no problem. Then I tried plugging it into the USB port on the RHS of the netbbok, and it works! It's still working. I can plug/unplug it repeatedly and it works every time. If I plug it in to the LHS ports there's still nothing happening though. Other devices (e.g. memory sticks) plugged into the LHS USB ports work perfectly though. It's just the mouse that won't work in the LHS ports (until I reboot!). Wierd! I think USB is a creation of arcane beings. -- Chris Green

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Directories to exclude on a backup
by Chris Walker 01 Apr '12

01 Apr '12

I'm about to backup my system as I want to resize the sda1 partition and I didn't think it was possible to do that with an existing system. So I looked online and found a Ubuntu guide to it which suggests excluding the following directories :- /proc /lost+found /mnt /sys/ I intend to backup /home separately so I will also exclude that but is the list reasonable or are there others I should also exclude? TIA

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2600 meeting at 18:00 on Friday the 2nd March.
by Viperfang 28 Mar '12

28 Mar '12

Quick heads up about this months Norwich 2600 meeting, more info at http://www.norwich2600.co.uk

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Re: [ALUG] Best mobile phone for Linux nowadays?
by Chris Green 27 Mar '12

27 Mar '12

On Sun, Mar 25, 2012 at 12:40:16PM +0100, Tim Green wrote: > > Chris Green <cl(a)isbd.net> wrote: > > >My wife's Palm Treo has died (after bing dropped for the umpteenth time) > >so she needs a replacement. > > > >The fundamental requirement is a phone which will synchronise contacts and > >calendar with Evolution or Thunderbird/Lightning. > > > >So what's the best way to go nowadays? > > > >We'd prefer direct phone <--> desktop synchonization but I suppose it's > >not absolutely vital. However I'm happy enough to install a sync server > >of some sort (though my experience with Funambol was not an entirely > >happy one when I was trying the same with my Nokia E71 a year or so > >ago). > > > These days all the cool kids sync with the cloud (e.g. with Android its Google). Is that an option for you? > Sort of, that's what I meant by "We'd prefer direct phone <--> desktop synchonization but I suppose it's not absolutely vital. We defnitely *do* need it to be easy/transparent to keep Evolution (or Lightning) calendar in sync with phone calendar. If this goes via the cloud then so be it but the cloud bit will only be used as a sort of server. So to have to explicitly synchronize Evolution <-> cloud and then separately synchronize phone <-> cloud is out. On the other hand it it can be made to just happen when changing things at either end then that's fine. Something that *relies* on having an internet connection all the time to work is out as we are often out of reliable mobile phone network coverage. At home the mobile coverage is often flakey and when we're on the boat in France it may be non-existent at times. -- Chris Green

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Wanted - command line program for listening to BBC radio streams
by Chris Green 27 Mar '12

27 Mar '12

I'm looking for a command line program to listen to BBC radio live streams. I'm a bit of a newbie with trying to do this and I'm a bit confused by the fact that all of the URLs I can find for 'streaming' are actually playlists. But anyway, be that as it may, I have tried a couple of programs to listen to the .asx streams that seem to be the most readily available BBC streams with mostly rather poor results:- mpg321 - doesn't seem to recognise URLs at all though the man page says it should. mpg123 - recognises some URLs (in particular .pls ones) but doesn't appear to understand .asx. mplayer - this manages to play .asx URLs but it's really a movie player and thus drags in far more bits and pieces than I want, playback is still choppy. How much processor power and/or bandwidth is required to play a basic radio stream? -- Chris Green

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Mail Server
by Paul Grenyer 27 Mar '12

27 Mar '12

Hi all I want to create an email server so that I can send and receive email for a number of my domains. I've tried using postfix, but it's a pig to setup and it appears I need to have a user account on the server for every email address and I can't restrict one user to only one domain. e.g. if I create a user called paul and I have two domains, I get paul@domain1 and paul@domain2. Of course this could be my misunderstanding. So, I would like recommendations for a mailserver to run on ubuntu. Ideally I'd like it to be: 1. Easy to setup 2. Not require a user to be created for each email address. 3. Be able to create email addresses for individual domains 4. Web interface 5. Work with mailman 6. Support pop/imap 7. Support email forwarding. Any suggestions? -- Thanks Paul Paul Grenyer e: paul.grenyer(a)gmail.com b: paulgrenyer.blogspot.com t: pjgrenyer

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Login Problems
by steve-ALUG＠hst.me.uk 26 Mar '12

26 Mar '12

Hi all, I'm having problems logging in. Initial login takes an age (~1 minute). Sudo in a terminal takes also take an age, but if I log out and log back in again, I get an immediate login. I think I've had a problem like this before where I had set up something wrong, so that the thing that was handling the login was trying to connect to a non-existant windows server to verify the login, waiting for a time-out, then handling the login itself. On subsequent logins, it's like it knows it's timed out, and doesn't bother trying. This is on my server, and it should be responsible for it's own log-ins. It's running dnsmasq, and is a samba server. I've set samba so that it says it is the authoritative nameserver. Any idea what's going wrong, or what I can look at to work out what's going wrong. There's nothing obvious to me in the log file viewer, or Dmesg. Any other log files to look at or config files to tweak? Any way to view what the login process is doing?? Ubuntu server 10.04.4 LTS Any help gratefully received. Steve

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How to decide which printer driver to use in CUPS?
by Chris Green 26 Mar '12

26 Mar '12

Does anyone else suffer from this dilemma? Whenever I install my HP Laserjet 1320 printer I wonder which of about a dozen or so alternatives that CUPS offers to use. For HP 1320 I see:- HP Laserjet 1320 - CUPS+Gutenprint v5.2.7 (en) HP Laserjet 1320 - CUPS+Gutenprint v5.2.7 Simplified (en) HP Laserjet 1320 Foomatic/Postscript (en) HP Laserjet 1320 Foomatic/pxlmono (recommended) (en) HP Laserjet 1320 hpijs, 3.11.7 (en) HP Laserjet 1320 hpijs pcl3, 3.11.7 (en) HP Laserjet 1320 pcl3, hpcups 3.11.7 (en) HP Laserjet 1320 series Postscript (recommended) (en) HP Laserjet 1320 series Postscript (recommended) (en) HP Laserjet 1320 series Postscript (recommended) (en) HP Laserjet 1320, hpcups 3.11.7 (en) There's no 'help' to click on to give any guidance, I *guess* I can't use the Postscript ones as my printer doesn't have Postscript (and, yes there really are three apparently identical Postscript entries). But how do I decide between that odd mix of pcl3, hpijs and hpcups? -- Chris Green

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Best mobile phone for Linux nowadays?
by Chris Green 25 Mar '12

25 Mar '12

My wife's Palm Treo has died (after bing dropped for the umpteenth time) so she needs a replacement. The fundamental requirement is a phone which will synchronise contacts and calendar with Evolution or Thunderbird/Lightning. So what's the best way to go nowadays? We'd prefer direct phone <--> desktop synchonization but I suppose it's not absolutely vital. However I'm happy enough to install a sync server of some sort (though my experience with Funambol was not an entirely happy one when I was trying the same with my Nokia E71 a year or so ago). -- Chris Green

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