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  • Handling expected supervisord exit codes

    - by Mulkave
    I am using supervisord inside a Docker container to manage my running processes and would like to also use it to trigger certain commands - run them once and expect them to exit with 0. Here's one example: [program:central-seed-posts] command = /usr/bin/php /var/www/app/artisan post autostart = false autorestart = false startsecs = 3 startretries = 0 exitcodes = 0 stderr_logfile=/tmp/central/posts-stderr-supervisor.log stdout_logfile=/tmp/central/posts-stdout-supervisor.log And I'm using nsenter's docker-enter with supervisorctl start central-seed-posts to trigger it but I would also like to handle a successful exit instead of supervisor telling me ERROR (abnormal termination) Does it have to do with supervisor events ?

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  • Only allow root to change filesystem

    - by Uejji
    The VPS I manage uses a simple hard link rsync archive daily backup system saved to a loop file. This is great, because each backup only takes up as much space as what has changed each day, and all user/group permissions are kept. I would like to give users direct access to their home directories in each backup, but I'm worried about intentional or accidental backup data destruction, as how it stands now users can actually change, destroy or add to backed up data they originally owned. I've been looking for a way to mount this filesystem similar to an ro mount option, but something that would still allow rw access to root, but I've had absolutely no luck. In other words, I want users to be able to view and copy their backed up data without actually being able to change it, and have that data maintain the original permissions. I've got no real preferences as far as filesystem, as long as it's a standard unix filesystem that can preserve permissions, support hard links and deny write access to users without actually stripping the w permission from everything.

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  • How do I write raw binary data in Python?

    - by Chris B.
    I've got a Python program that stores and writes data to a file. The data is raw binary data, stored internally as str. I'm writing it out through a utf-8 codec. However, I get UnicodeDecodeError: 'charmap' codec can't decode byte 0x8d in position 25: character maps to <undefined> in the cp1252.py file. This looks to me like Python is trying to interpret the data using the default code page. But it doesn't have a default code page. That's why I'm using str, not unicode. I guess my questions are: How do I represent raw binary data in memory, in Python? When I'm writing raw binary data out through a codec, how do I encode/unencode it?

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  • Unregister SIP UAC message

    - by TacB0sS
    Hi, I've looked so much on the internet, but I could not find a any SIP Unregister example, and when I search RFC 3261,3665 the word does not even appear, perhaps I'm searching for the wrong phrase. I manage to understand the part of setting the expires to zero, but it still does not work and I could not find documentation about how a formal unregister should be. Does anyone knows how to compose an Unregister SIP Request? or what should I search for it? Thanks in advance, Adam Zehavi.

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  • mod_rewrite, 301 problem

    - by blid
    Hi, Currently I can access specific site in two ways: 1. http://a.com/foo/bar 2. http://a.com/index.php?url=foo/bar What I'm trying to achive is to allow to do it only using first way, and make redirect 301 on the second to the first one. Here's the code which I made so far and put into .htaccess: <IfModule mod_rewrite.c> RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*)$ index.php?url=$1 [QSA,L] #tricky part RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /index\.php\?url=?(.*)\ HTTP/ RewriteRule ^index\.php$ http://a.com/$1 [R=301,L] </IfModule> Currently it do almost all the job, it's redirecting index.php to /, but index.php?url=foo/bar to /?url=foo/bar and I can't manage to make it right. TIA.

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  • Sending mail from PHP with exim4

    - by jfoucher
    Hello, A web server I manage is having problems sending mail from PHP. This server uses exim4 for MTA, and it is configured correctly. I can send emails from PHP's CLI, but not from the web. i.e. if I do "php mailtest.php" on the command line, the email gets sent correctly, but if I browse to server.com/mailtest.php, mail() returns false and the email never gets sent. Nothing appears in the exim mainlog. Any advice, or things I should look for ? Thanks!

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  • Wordpress 3 multi-site install

    - by mike
    Hello, Trying to figure out if this is possible... My company has a cms product that was written in Java and we decided to use Wordpress to run blogs for our clients. Obviously, Wordpress does not run on tomcat(at least not by default) so we installed Pound(http://www.apsis.ch/pound/) on our server and have setup any Apache and Tomcat on different ports. When "/blog/" is requested, the request is directed to Apache. This works fine but we would like to use Wordpress multi site so that we can manage all the blogs from a single interface. We would also like the url for every site to be "/blog/" example: http://www.site1.com/blog/ http://www.site2.com/blog/ I'm thinking it would have to be done with apache??? Is it even possible? Thanks!

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  • code deployment options

    - by bobinabottle
    We've been looking at automating our server and code deployments. We've already decided on puppet for our server configurations, but are looking for a more "push" style tool to use for code deployments. I'm currently looking at either using capistrano or fabric, but I'm not sure what would be the most mature to use? We deploy a number of different services, none of which are currenlty written in rails or django, so we don't mind about language. What would be the best one to build custom deployment scripts? Or have I missed another tool out there? We are also considering git pushing with hooks for deployment, but feel it will be limited/hacky in what we want to achieve with it. Any thoughts or experience would be great to hear. Cheers

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  • How to issue machine certificates to Android devices trying to connect to L2TP VPN (L2TP/IPsec with Certificate)?

    - by John Hendrix
    I are trying to find a way to connect Android devices to our VPN box running Windows Sever 2008. We manage to configure a couple Android devices to connect via PPTP. However, I would like to be able to connect using L2TP/IPSec with certificates instead. I've managed to export and apply the Enterprise CA's certificate on the Android phone, but are totally lost on how to issue a machine certificate to the Android phone. Is it even possible? If so, what are steps I should take to issue the machine certificate and enable the Android phone to connect via L2TP/IPsec with certificates? Thank you for your help!

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  • socket.error: [Errno 10054]

    - by C0d3r
    import socket, sys if len(sys.argv) !=3 : print "Usage: ./supabot.py <host> <port>" sys.exit(1) irc = sys.argv[1] port = int(sys.argv[2]) sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sck.connect((irc, port)) sck.send('NICK supaBOT\r\n') sck.send('USER supaBOT supaBOT supaBOT :supaBOT Script\r\n') sck.send('JOIN #darkunderground' + '\r\n') data = '' while True: data = sck.recv(1024) if data.find('PING') != -1: sck.send('PONG ' + data.split() [1] + '\r\n') print data elif data.find('!info') != -1: sck.send('PRIVMSG #darkunderground supaBOT v1.0 by sourD' + '\r\n') print sck.recv(1024) when I run this code I get this error.. socket.error: [Errno 10054] An existing connection was forcibly closed by the remote host it says that the error is in line 16, in data = sck.recv(1024)

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  • Got root, now how should I configure my server?

    - by L. De Leo
    I've been a developer for years and by trade I had to know a little bit of server side configuration. But now I find myself needing to manage my own VPS instance (Amazon EC2) and I'm lost. I'd like to know what are the common ways to configure an Apache and MySQL server that is secure and efficient. For example right now I'm doing everything as root but I doubt that's the best way at all. My whole Apache is configured to serve 1 site when I'd like it to be able to serve multiple sites. Where do I start?

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  • Is it possible to live-boot VirtualBox from a USB flash drive?

    - by bw.
    To clarify, I'm not asking if you can boot from USB from within VirtualBox. I would like to make a portable version of Windows 7 that I can run from a USB drive on any machine. I'm putting a distro of Linux on my laptop, but I manage a Windows domain at work so I'd like an easier management solution than trying to use Linux tools to interface with a Windows DC(as RDP to a DC is not always an option). The reason I'm inquiring about VirtualBox... I plan on carrying this portable installation with me and using it on multiple machines, so I would like to avoid driver conflicts (which I imagine would happen if I only installed Windows on a flash drive). Basically, I need a way to boot an installation of Windows 7 from USB that still allows me to install/remove/update programs as if it were installed on a standard hard drive, and not freak out over different hardware configurations. Please help, superusers!

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  • Tools for tracking disk usage

    - by Carey
    I manage a number of linux fileservers. These all run applications written from 0-10 years ago. As sometimes happens, a machine will come close to, or run out of disk space. Reasons include applications not rotating log files, a machine with 500GB of disk producing 150GB of new files every month that were not written to tape, databases gradually increasing in size, people doing silly things...generally a bit of chaos. Anyway, when a machine unexpectedly goes from 50% to 100% full in a couple of hours, I figure out what broke (lots of "du") and delete files or contact someone. I also can look at cacti graphs to figure out what the machine's normal disk usage is (e.g. for /home). Does anyone know of any tools that will give finer grained information on historial usage than a cacti/RRD graph? Like "/home/abc/xyz increased 50GB in the last day".

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  • Belkin Wireless G router not working on Windows 7

    - by coore
    I have a Belkin F5D7230-4 Wireless G router which used to work on XP. I have a clean Windows 7 install (on the same desktop PC), and it just won't work. Device Manager lists the adapter as a USB device, but it says "The drivers for this device are not installed", even though the driver installer said the installation was OK. Manage Wiresless Networks says "wireless is not currently enabled". The WLAN AutoConfig service is running. My specific question is which of the two symptoms above should I go for first? Should I try to fix the driver installation somehow, or should I try to enable wireless? Is one caused by the other, or is this two independent problems? Any other thoughs that could help me are also appreciated.

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  • Is there an RSM replacement in Windows 7? (to eject USB and Firewire devices from command line)

    - by Jay
    I know Windows XP and previous had an rsm.exe file in the <root>\windows\system32 folder that could be used to manage media. I used this command in batch files and from the command line to eject external disks (iPod, CF cardreader, etc.). This utility appears not to be included in Windows 7, and I wonder if there is some replacement utility that will allow the same thing. I've been unable to find any such thing. I'm aware of the 3rd party utilities; this question is only about what is included with Windows 7.

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  • Python preprocessing imports

    - by FiloSottile
    I am managing a quite large python code base (2000 lines) that I want anyway to be available as a single runnable python script. So I am searching for a method or a tool to merge a development folder, made of different python files into a single running script. The thing/method I am searching for should take code split into different files, maybe with a starting __init___.py file that contains the imports and merge it into a single, big script. Much like a preprocessor. Best if a near-native way, better if I can anyway run from the dev folder. I have already checked out pypp and pypreprocessor but they don't seem to take the point. Something like a strange use of __import__() or maybe a bunch of from foo import * replaced by the preprocessor with the code? Obviously I only want to merge my directory and not common libraries.

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  • How to Redirect from One URL to Another Showing the New URL

    - by Ngu Soon Hui
    I have an old domain www.olddomain.com, and now I have shifted my content to www.newdomain.com. Both of the domains are residing in the same root folder on a sharehost. I use CPanel to manage them. Now, when the user types in www.olddomain.com, I want it to be redirected to www.newdomain.com, with the address bar showing www.olddomain.com. How to do this in cpanel? I tried to use "redirects" feature in Domains list, and although I could get the redirection, but the address bar showed www.newdomain.com, not www.olddomain.com. Any idea?

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  • Invoking a superclass's class methods in Python

    - by LeafStorm
    I am working on a Flask extension that adds CouchDB support to Flask. To make it easier, I have subclassed couchdb.mapping.Document so the store and load methods can use the current thread-local database. Right now, my code looks like this: class Document(mapping.Document): # rest of the methods omitted for brevity @classmethod def load(cls, id, db=None): return mapping.Document.load(cls, db or g.couch, id) I left out some for brevity, but that's the important part. However, due to the way classmethod works, when I try to call this method, I receive the error message File "flaskext/couchdb.py", line 187, in load return mapping.Document.load(cls, db or g.couch, id) TypeError: load() takes exactly 3 arguments (4 given) I tested replacing the call with mapping.Document.load.im_func(cls, db or g.couch, id), and it works, but I'm not particularly happy about accessing the internal im_ attributes (even though they are documented). Does anyone have a more elegant way to handle this?

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  • I can access my company mail on iPhone, but not on a PC/Mac

    - by Philippe
    On my iPhone (4), I can set up my company e-mail, which allows me to receive and send e-mail and use the calender to manage appointments. The company is using Exchange 2003. The problem is that this is the only way I can access my e-mail when I'm not at the office. I've tried setting up an account on Outlook 2007, Outlook 2010, Outlook 2011 (Mac) and the OSX Mail app, but it doesn't work. The server cannot be reached, even though I've used the exact same settings as on the iPhone. The info I use on the iPhone is: Server name of the company mail server (it's the same as for webmail) Use SSL AD Domain of my account My AD account name Password When I enter this on the iPhone, it works like a charm, but whatever I try on one of my desktops, it doesn't work. FYI: I can't ask the company IT guys because according to them, it doesn't work from a remote location, not even on the iPhone (but obviously, that works just fine)

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  • What is the lightest, basic Email Server for Linux?

    - by Xeoncross
    I would like to install an extremely small mail server on my VPS and I am only interested in it sending out mail (activation links) from my web site. I don't need it to support mailboxes or incoming mail (although having that option for the future might be nice). The main requirement is that I don't have to worry about monitoring it as often and protecting against people bouncing messages off my server or wasting resources with incoming mail. I just want to send mail out. So something small that only listens on localhost would be ideal. The other requirement is that it is documented so I can learn how to set it up and manage it.

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  • Scrapy + Eclipse PyDev : how to setup the debugger?

    - by AsTeR
    I've successfully setup Eclipse with my Scrapy project. I did it by setting a new Run/Debug configuration : Whose main module links to Scrapy /usr/local/bin/scrapy for me (I've found suggestion to use cmdline.py but that failed on my computer (OSX Lion & scrapy installed through easy_install) Defining the arguments to send "crawl ny" in my case as I would if I used the Scrapy command line Setting the correct working directory (${workspace_loc:My Project/src} in my case) Eclipse can successfully launch my project, but I've no debbuger. I'm missing my breakpoints and variable inspection, does anyone know how to setup the debbugger with this environment ?

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  • Best practice for administering a (hadoop) cluster

    - by Alex
    Dear all, I've recently been playing with Hadoop. I have a six node cluster up and running - with HDFS, and having run a number of MapRed jobs. So far, so good. However I'm now looking to do this more systematically and with a larger number of nodes. Our base system is Ubuntu and the current setup has been administered using apt (to install the correct java runtime) and ssh/scp (to propagate out the various conf files). This is clearly not scalable over time. Does anyone have any experience of good systems for administering (possibly slightly heterogenous: different disk sizes, different numbers of cpus on each node) hadoop clusters automagically? I would consider diskless boot - but imagine that with a large cluster, getting the cluster up and running might be bottle-necked on the machine serving the OS. Or some form of distributed debian apt to keep the machines native environment synchronised? And how do people successfully manage the conf files over a number of (potentially heterogenous) machines? Thanks very much in advance, Alex

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  • How do I put logical operators in an Excel =IF Formula?

    - by Brian Hooper
    I'm trying to enter a formula to display text according to an IF condition. The best I can manage is something like... =IF(myval>=minval & myval <= maxval, "OK", "Not OK") But this appears to work exactly wrongly, displaying OK when myval is out of range and Not OK when it is in range. How do I specify the logical AND correctly? I have tried && as I have seen in questions here, and inner brackets, but these result in errors.

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  • Mysql Encryption and Key managment

    - by microchasm
    I am developing a local intranet system in PHP/MySQL to manage our client data. It seems that the best practice would be to encrypt the sensitive data on the MYSQL server as it is being entered. I am not clear, though, on what would be the best way to do this while still having the data readily accessible. It seems like a tough question to answer: where is the key(s) stored? How to best protect the key? If the key is stored on each users' machine, how to protect it if the machine is exploited? If the key is exploited, how to change the key? If the key is to be stored in the db, how to protect it there? How would users access it? If anyone could point me in the right direction, or give some tips I'd be very grateful. Thanks.

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  • Execute script before shutting down in Ubuntu

    - by juanefren
    When I shut down my computer I want to show some pending tasks that I have to do before leaving the office... I did a local application to manage those tasks, so basically I just want to run a command, and shut down after I kill the app executed. I have already tried with these options: * /etc/gdm/PostSession/Default -- this works only when I select LogOut option instead Shutdown. * /etc/rc0.d/K01mycustomscript -- execute script after X is killed * $HOME/.bash_logout -- This looks like does nothing. * ./app-to-run && sudo shutdown -h now -- Don't like it for 2 reasons, prompts for sudo password, and can't use my laptop shutdown button. I am using Ubuntu 10.04

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