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10364 discussions

PPTP vpn connections on Kubuntu
by Mark Rogers 11 Mar '13

11 Mar '13

Is there any documentation anywhere for the "Edit Network Connection" / VPN dialogue? Specific questions: - What is "System connection"? - Under IPv4/Basic, what is the difference between "Automatic (VPN)" and "Automatic (VPN) addresses only" Also, on more than one occasion I've had a connection drop out and been unable to restart it without rebooting the PC - there's presumably something else that I should be able to restart that falls short of a reboot? -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0844 251 1450 Registered in England (0456 0902) @ 13 Clarke Rd, Milton Keynes, MK1 1LG

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Are there any contact/addressbook programs that actually store in vCard format?
by Chris Green 07 Mar '13

07 Mar '13

I'd like to keep my addresses in vCard format if I can as it will ease some sharing issues I have. However I can't find a program that actually keeps its data in this format, can anyone suggest anything? -- Chris Green

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apache -> nginx
by Mark Rogers 07 Mar '13

07 Mar '13

I am considering a strategy for migrating a server from Apache to Nginx (I've never used nginx before so I'll be doing all this on a test box first). The strategy is something like: install nginx alongside apache but using (say) port 81. Configure all the virtual hosts so that if <url> works now (on Apache), <url>:81 should also work on nginx, running concurrently. Test. (The idea is to get customers to do some final checks on their own sites, so this should work with minimum fuss.) When ready, kill apache and switch the port over on nginx. All the sites are running PHP/MySQL (except for a few static sites). Aside from making sure I have enough RAM to run both alongside each other, any reason to avoid this approach? -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0844 251 1450 Registered in England (0456 0902) @ 13 Clarke Rd, Milton Keynes, MK1 1LG

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FastCGI / php5-fpm, was Re: apache -> nginx
by Mark Rogers 06 Mar '13

06 Mar '13

On 6 March 2013 15:01, Mark Rogers <mark(a)quarella.co.uk> wrote: > However, I've spent some time playing with nginx this afternoon, and I > have to say that the biggest PITA so far as been working with FastCGI My existing Apache/mod_php configuration is fairly simple. Lots of virtual hosts, many of which use PHP. Of those that do, there's probably 50% are "standard" packages (eg Wordpress) and the other 50% is "stuff wot I wrote". In all cases the virtual host will have a reasonable amount of PHP config; setting memory and file upload limits, etc, and setting options required by the "standard" packages. My own stuff will have include_path configured to point to whichever version of my standard PHP libraries the site uses, and any other config needed. >From my brief experiments with FastCGI this afternoon (with nginx/php5-fpm), switching to FastCGI is going to be a big headache when it comes to setting the PHP environment up per-site. I know I can set variables via the FastCGI interface but (unless I am misunderstanding something) it is messy and I really need to set everything for each site to be sure it'll work the way I want (ie if I set include_path for one site but not for another, it doesn't seem clear whether or not which include_path the other site will end up with, and even after removing the include_path altogether and restarting nginx, it seems I need to restart php5-fpm for it to revert to defaults, so I assume it goes with the last value it was told to use?) There are obviously others here with way more experience with FastCGI/PHP than I have, so am I losing the plot of is this going to be a big headache with my setup? Mark -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0844 251 1450 Registered in England (0456 0902) @ 13 Clarke Rd, Milton Keynes, MK1 1LG

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Email received?
by James Freer 05 Mar '13

05 Mar '13

I remember back about 2000 when i started using email there was a way that one could tell if it had been read. In those days i was using Outlook. How did it work? If it was set up on the email client then somehow it could check on the server that it was sent to. I've used gmail UI for a long while now but i was wondering if there was something in the header on each email that one could check. One has received: IDxxxxxxxx and i wondered if from one of those digits was the signal. thanks james

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OT - DB2, AS400, Websphere
by Stuart Bailey 03 Mar '13

03 Mar '13

Does anyone have any experience of DB2 / AS400 and Websphere I have a project to replace an existing website (with database backend) onto an OSS system using a LAMP server. Trouble is, the AS400 is used for all the financial site of the website. I do not have the source code for the websphere component, but will need to reverse engineer this in order to replicate the communication with the AS400 on the LAMP server. Does anyone have experience of these systems, or know anyone who does? 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 8071 (20130303) __________ The message was checked by ESET Mail Security. http://www.eset.com

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after another mysterious crash
by Peter Alcibiades 03 Mar '13

03 Mar '13

Another mysterious crash. We run for three weeks or so continuously, no power off, then suddenly it dies. This time I thought to start from system rescue disk and try memory checks. This did seem to produce reporducible dying. After three crashes in a row I decided to bit the bullet and replace the innards. Yes, it would be possible just to replace the memory and see if that helped, but its productive time being lost at every iteration of this problem. The result is surprising. Now I have 16G memory in two sticks, and an i5 processor in an Asus itx board. It is a lot quieter and a lot cooler than the previous rig. In fact you can just about hear it. Started from the old hard drive with no problem and everything runs perfectly though rather faster. So, if you are looking for a compact and fast configuration, get the Silverstone mini itx case with the big fan on the front, put an i5 in it, and its perfect for a compact desktop. Recommended. I liked it with an i3, but this is superb. Al

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LiveCode goes open source
by Peter Alcibiades 02 Mar '13

02 Mar '13

http://www.kickstarter.com/projects/1755283828/open-source-edition-of-livec… Gone open source. Its a successor to Hypercard, but across all platforms including mobile, and they raised enough money to modularise the code and take it open source. Well over subscribed. Very encouraging. Peter

1 0

JOB: full-time Junior Systems Engineer, Audio Analytic startup company
by Sacha Krstulovic 26 Feb '13

26 Feb '13

Dear ALUG, Please find below a job offer which might be of interest to some of your members. Job requirements include the ability to build and maintain a local network of Ubuntu workstations with proper LDAP authentication and centralised home directories, and helping with running R&D experiments on a HPC grid. The job location is Cambridge. More details below. Thanks and best regards, - Sacha K. -- Sacha Krstulović - Dipl.Eng, PhD Lead Research Engineer Audio Analytic, Cambridge, UK Analytic Jobs, Full-Time Junior Systems Engineer (Job Ref: AA-SysEng-Full-Time-Junior) Audio Analytic is the emerging leader in sound recognition and categorisation based in Cambridge (UK); West Cambridge site 10 minutes' cycle from the city centre. Our software is used by a host of world leading security equipment manufacturers to automatically analyse sound and detect security threats, such as when someone becomes aggressive or when a glass window is broken while trying to gain entry to a building. We are currently reinforcing the core engineering team and are looking for a talented systems engineer who would like to be working in an inspirational high-tech environment at the forefront of sound recognition systems. The successful candidate will join our highly successful team and will own the management of a significant part of the company's IT infrastructure, while showing a keen interest in helping with sound recognition R&D tasks. If you would like to know more about what we technically do please visit: http://www.audioanalytic.com/en/technology or if you want to find out how many windows we had to break to develop our glass break detection abilities please visit: http://www.audioanalytic.com/en/component/content/article/12-content/3-soun…. Main Responsibilities * To work closely with our research and product engineers to build and maintain an IT infrastructure that meets the needs of our R&D processes. * To take a key role into the company's R&D by helping to run some essential R&D tasks and processes. Technical Skills Must have at least 1 years' experience in the following: Required: * Linux/Unix system administration (LDAP, NIS, SAMBA, NFS) * Linux/Unix system setup (SMP kernel, NAS storage) * Coding and running scripts. Additional: * Python a plus. * Experience in running a computer grid and running software on it (SGE SunGrid, Open Grid scheduler, HPC grid). * Interest in audio signal processing a plus (electronic music, studio recording, digital audio effects, production of general sound effects, sampling). * Experience with managing large datasets a plus (e.g., audio FX library or music library). General Skills * Good communication skills. * Excellent problem-solving skills. * Enjoy working as a member of a team and using their own initiative. * Self-confident and highly motivated. * Ability to deal confidently with a variety of people at all levels. * Able to manage own workload and meet deadlines. * Good organisational skills. * Good standard of written and spoken English. Pay This is a great opportunity to join a successful company with a huge potential for growth. The successful candidate will be compensated with an attractive package appropriate to qualifications and experience, to include a competitive salary and stock options. How to Apply For further information or to apply for this vacancy, please send a covering letter and copy of a recent CV quoting the reference AA-SysEng-Full-Time-Junior to jobs(a)audioanalytic.com<mailto:jobs@audioanalytic.com> with cc: to sacha.krstulovic(a)audioanalytic.com<mailto:sacha.krstulovic@audioanalytic.com> . Please note it is company policy not to accept job applications from recruitment consultants.

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Do I use rsync or cp?
by Chris Walker 26 Feb '13

26 Feb '13

In the recent past I asked about fixing a RAID array on a NAS drive and was kindly given some advice by Mark Rogers. Plainly a sensible option and which was included in the advice, was to have a backup. So yesterday I went out and bought a USB3 1 TB external drive along with a new USB 3 card. I've bunged the card in and got all sorts of errors, something about 'ring error' which from my brief searches relates to the kernel being too old. I'll attend to that later as I can still use the new drive on a USB 2 port. Granted it will take longer but I can live with that. My question is how should I safely copy everything off my NAS box on to the new drive? Should I just use cp or rsync? The emphasis here is 'safely' as I want to make sure I copy everything off the NAS and back again in case that goes 'nipple north'. If it helps, here's what I want to copy from - //storage_server/Laptop_Share on /media/Laptop_Share type cifs (rw,noexec,nosuid,nodev) //storage_server/FTP_RAID_C on /media/linux_Share type cifs (rw,noexec,nosuid,nodev) //storage_server/Epox_Share on /media/Epox_Share type cifs (rw,noexec,nosuid,nodev) //storage_server/Media_Share on /media/Media_Share type cifs (rw,noexec,nosuid,nodev) In the past I would simply have cp'd everything off but having watched the recent discussions on rsync, it has prompted me to ask this question here. Any help appreciated.

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