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  • Disabling the shell of user "daemon" (/bin/false)

    - by BurninLeo
    on a Linux system there are lot's of users by default: daemon, bin, sys, games, etc. According to my /etc/passwd most of these users have a shell assigned (/bin/sh) which seems some kind of insecure to me. My naive thinking would say: Only give those users a shell that may login to the server. Is my thinking wrong? If not completely wrong: Can I disable the shell for "daemon" and "www-data" without having side effects (e.g. the system wont start or the Apache PHP cannot excute system calls)? Thanks for your hints!

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  • Why is chrome slashing my HTTPS?

    - by John Isaacks
    In Chrome when I view my page the https in the URL has a red slash through it. When I click it, it says: Your connection to www.example.com is encrypted with 256-bit encryption. However, this page includes other resources which are not secure. ... I am not getting the mixed content warning in IE or FF. Is there a way to get Chrome to tell you exactly what/where is causing the issue? I am having trouble finding what is causing Chrome to throw a hissy fit. I searched my source for any http that does not contained https but am not seeing any. It would be nice if there is an easy way to pinpoint the issue.

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  • ubuntu 9.10 on an external usb drive: grub1 does not work

    - by Toc
    I have installed Ubuntu on a partition of my external usb drive. Since I had problems with grub2, I have uninstalled it and installed grub1. But then the usb drive didn't boot anymore, and I am forced to the limited shell of grub1. If I write manually kernel (hd0,4)/vmlinuz-2.6.31-15-generic root=/dev/sdb4 ro quiet splash initrd (hd0,4)/boot/initrd.img-2.6.31-15-generic boot then Ubuntu is loaded, but if I execute the commands root (hd0,4) setup (hd0) as explained at http://www.gnu.org/software/grub/manual/html_node/Installing-GRUB-natively.html#Installing-GRUB-natively, next time I boot from usb I am forced again to the grub limited shell. How can I restore a working grub?

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  • Network flooded with seemingly empty packets

    - by Adam Particka
    Let me preface this with the fact that I'm just a web developer at my company with little networking knowledge. Earlier today there was a department that lost all of their network connections so I popped open Wireshark and observed the influx of packets to my machine. There was normal traffic (ARP requests, etc.) coming in at ~50 packets every second. Then all of a sudden the log was flooded with packets arriving ~5000 a second. It looks as though they all contain the same data, just a looped sequence. We have someone here looking at it but I thought I would ask if anyone had seen anything like this before. Here's a selection from one of the captures in Wireshark. http://www.cloudshark.org/captures/06f950725c74

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  • Make Chrome always open PDFs itself

    - by jdm
    Hi, I'm looking for a way to make Google Chrome always open PDFs with its internal viewer when I click a link, as opposed to downloading it to the default location. It works with most URLs, but some servers set a special header to force the file to be downloaded ("Content-Disposition: attachment;", e.g. http://www.uni-goettingen.de/en/46260.html). What I want is the opposite of this question: Stop PDFs from displaying inside Google Chrome, or what is asked for here, but applied to Chrome: How to ignore “Content-Disposition: attachment” in Firefox Btw., I'm running Chrome 8.0.552.0 dev on Ubuntu 10.4.

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  • How can I set clean urls (enable rewrite) if I don't have a domain ?

    - by Patrick
    In order to enable clean urls in Drupal, I add the lines below to the lighttpd configuration file. However I'm now working on a local server and I don't have a domain available. So I need to work with this address http://local.ip/Sites/mywebsite I've tried to replace ["host"] with ["socket"] and replace the domain with ip and subfolders (see address above), but unsuccessfully. How can I set the configuration file to set clean urls even if I don't have a domain ? thanks $HTTP["host"] =~ "(^|\.)mywebsite\.com" { server.document-root = "/var/www/sites/mywebsite" server.errorlog = "/var/log/lighttpd/mywebsite/error.log" server.name = "mywebsite.com" accesslog.filename = "/var/log/lighttpd/mywebsite/access.log" include_shell "./drupal-lua-conf.sh mywebsite.com" url.access-deny += ( "~", ".inc", ".engine", ".install", ".info", ".module", ".sh", "sql", ".theme", ".tpl.php", ".xtmpl", "Entries", "Repository", "Root" ) # "Fix" for Drupal SA-2006-006, requires lighttpd 1.4.13 or above # Only serve .php files of the drupal base directory $HTTP["url"] =~ "^/.*/.*\.php$" { fastcgi.server = () url.access-deny = ("") } magnet.attract-physical-path-to = ("/etc/lighttpd/drupal-lua-scripts/p-.lua") }

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  • How to connect to two VPN connections at the same time in Mac?

    - by Sallar Kaboli
    Hello, I have a problem with my vpn connections, my ISP requires me to connect to a private vpn server of it's own in order to connect to internet, im connected to main network via WiFi, but i also want to connect to another VPN network of my choice (to bypass internet limitation in my country of course), i am able to do that in Windows, but its not working in Mac OS X Snow Leopard second vpn connecion type is PPTP / CHAP How can i do that? as u see in the pic, both vpn's are connected, first one is for main internet which is working properly , second one is also connected but its not affecting anything. its just connected. http://www.freezpic.com/pics/a5231c3e80501a3c25430f43c1ef5856.png

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  • My images look desaturated and brighter on the iPhone than on my Mac (in PS, Pixelmator & Finder)

    - by david
    I save my image in Photoshop (No Color management). I put it on the iPhone and it looks brighter and desaturated. Also my blue-green looks more like blue. I have tried some color profiles on the net: http://luminous-landscape.com/forum/index.php?showtopic=38121 http://www.colorwiki.com/wiki/Color_on_iPhone But the images still look different. I'm going insane with this because its stealing my time away and i can't fix it. Every bit of help would be appreciated! Do I have to create my own profile? Is there an easy way??

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  • How to perform a nested mount when using chroot?

    - by user55542
    Note that this question is prompted by the circumstances detailed by me (as Xl1NntniNH7F) in http://www.linuxquestions.org/questions/linux-desktop-74/boot-failure-upon-updating-e2fsprogs-in-ubuntu-10-10-a-947328/. Thus if you could address the underlying cause of the boot failure, I would very much appreciate it. I'm trying to replicate the environment in my ubuntu installation (where the home folder is on a separate partition) in order to run make uninstall. I'm using a live cd. How to mount a dir in one partition (sda2, mounted in ubuntu as the home folder) into a directory on another mounted partition (sda3)? I did chroot /mnt/sda2 but I don't know how to mount sda3 to /home, and my various attempts didn't work. As I am unfamiliar with chroot, my approach could be wrong, so it would be great if you could suggest what I should do, given my circumstances.

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  • How come i7 (desktop) dominates Xeon (server)?

    - by grant tailor
    I have been using this performance benchmark results http://www.cpubenchmark.net/high_end_cpus.html to select what CPUs to use on my web server and to my surprise...looks like i7 CPUs dominates the list pushing Xeon CPUs into the bush. Why is this? Why is Intel making the i7 perform better than the Xeon. Are Desktop CPUs supposed to perform better than server grade Xeon CPUs? I really don't get this and will like to know what you think or why this is so. Also i am thinking about getting a new web server and thinking between the i7-2600 VS the Xeon E3-1245. The i7-2600 is higher up in the performance benchmark but i am thinking the Xeon E3-1245 is server grade...so what do you guys think? Should i go for the i7-2600? Or is the Xeon E3-1245 a server grade CPU for a reason?

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  • Horrible time with WAMP, Joomla and Windows 7 (Permissions)

    - by jax
    I have WAMP and Joomla installed on Windows 7. I have made a virtual host outside of the www directory that houses a test joomla site. I have also made a joomla component that I want to install and test on this virtual host. I am having constant problems with permissions. I have given all users full access to the folder containing the files under the security Tab in Win7. It seems to me that when (Apache/PHP) creates a file it put restrictions on the permissions which does not allow it to delete or edit the file anymore so I have to manually go and delete the files when I want to uninstall my component. Also, I cannot install the .zip - instead I have to unzip manually to the tmp folder because when I upload the zip in the Joomla Installer I get the same permissions problems as above. How can I get rid of these issues once an for all?

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  • Can't boot into my Windows 7 64-bit Acer laptop

    - by John Smith
    Boot normally -- it hangs on "Starting Windows" animation forever. Boot safe mode -- it bluescreens. Boot with a recovery CD (or try Repair Installation directly without a CD) -- it hangs on the green loading bar forever. I dual-boot Ubuntu and can get into the Ubuntu partition fine so I don't think anything is necessarily wrong with the harddrive, but the Ubuntu partition is tiny and I rarely use it and can't access my Windows files anyway. Is there anything I can try that'll help repair whatever happened? I just want to run a checkdisk utility or something similar that'll repair whatever got botched. My laptop: http://www.newegg.com/Product/Product.aspx?Item=N82E16834215206

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  • Resolving Domainnames differently for different services

    - by mlaug
    Some time ago we had an issue with our network infrastructure and php with curl. Our Network infrastructure is fairly simple. LoadBalancer/Firewall = 5 servers The Domainname of our website is set to the ip of the Loadbalancer, of course. But calling curl from one of the servers did result in a timeout. It appears that a server could not call for its own domain it is serving. So we had to set the domains via /etc/hosts to the sever itself. But now We have implemented a Varnish in front of the Loadbalancer, which we want to automatically purge, once a change on a page happens. So now we need to call the domain www.example.com/url_to_purge. Sadly this call what be resolved to the server itself instead of the varnish, because of the /etc/hosts entries. So now I am wondering, if you could resolve domain names differently for different services :)

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  • What VMWare should I choose?

    - by wbad
    I'm new to VMWare stuff. What I need to do is pretty basic: Just to install two different Windows 2008 versions on a server with 2x 4core CPU and 2x 3TB hard disks. I asked my datacenter to install the free version (VMware ESXi 4.1) but apparently it did not recognize 3TB disks. Now I'm wondering whether VMWare 5 can handle 3TB disks, and if so, what variant? There is a huge array of options there and some prices are astonishingly high: http://www.vmware.com/products/datacenter-virtualization/vsphere/pricing.html So I'm really confused and I appreciate your hints.

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  • Meeting reminders disappearing after accepting

    - by stayinwett
    I have a particular user whose Outlook is acting up. Whenever he accepts a meeting invitation from a specific person, the reminders get turned off in the calendar. Every other person who got the meeting invitation still gets the reminders. This is the only thread that I found somewhat relevant: http://www.eggheadcafe.com/software/aspnet/32118199/lost-functionality-when-accepting-meeting-requests.aspx This is weird though because he doesn't have any rules that should cause the meeting invitations to be stored in a weird folder or anything, they are left alone. I tried loading his profile and accepting the invitation on my end, and it went through fine (it was marked down in the calendar with a 15 minute reminder). When I looked at previous meetings he accepted from that person, there is indeed no reminder set. Any suggestions? Windows XPSP3, Outlook 2007, Exchange 2k3

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  • I installed XAMPP on Ubuntu, and its running without any of its files.

    - by CDeanMartin
    I installed XAMPP on Ubuntu, and its running without any of its files. Well, not really, but it sure seems that way. I followed the directions on the Apache Friends website to the letter. XAMPP works fine, it's sample apps run like a charm. But I have no idea how it is running. The installation should have created an otf folder, or a XAMPP folder, or an htdoc file according to the tutorials. But there is no trace of any of these files or folders anywhere in the file browser. Are there any linux utilities as good as the Windows Explorer that can find my missing files? I particularly need to find the var/www folder to put my .php files in.

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  • Mysql showing some high spikes

    - by user111196
    We one mysql server suddenly the access to it becomes slow of out sudden. So I read some place they said maybe due to var size is it? I am not too sure any idea how to check the root cause of it. The cpu is like nearly 150%. Any indication on it. I have tried this so far. du -sh * 4.0K account 67M cache 4.0K cvs 16K db 8.0K empty 4.0K games 4.0K gdm 148G lib 4.0K local 16K lock 624M log 0 mail 4.0K nis 4.0K opt 4.0K preserve 400K run 298M spool 4.0K tmp 359M www 12K yp

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  • hosting website on a private network

    - by razor
    i'm currently running a website off 3 linux servers. I'd like to setup a private network and only allow port 80 traffic to one of the servers. I'd also like to setup a vpn so only I can access the servers via ssh or any port for developing/debugging. How hard is this to setup and what do I need to get? Do enterprise/commercial routers have vpn functionality built in? how do I handle DNS? eg- www.mydomain.com would need to point to the router, which forwards traffic to the webserver. Do I set the A record to the router, and somehow tell the router which server to send the http request to? And how would I make server1.mydomain.com resolve to server1 within the private network (without editing host files)? Would I need to run my own DNS (eg- powerdns?) to do this?

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  • C#.NET: How to update multiple .NET pages when a particular event occurs in one .Net page? In another words how to use Observer pattern(Publish and subscribe to events)

    Problem: Suppose you have a scenario in which you have to update multiple pages when an event occurs in main page. For example imagine you have a main page where you are dispalying a tab control. This tab control has 3 tab pages where you are loading 3 different user controls. On click of an update button in main page imagine if you have do something in all the 3 tab panels. In other words an event in main page has to be handled in many other pages. An event in main page which contains the tab control has to be handled in all the tab panels(user controls) Answer: Use Observer pattern Define a base page for the page that contains the tab control. Main page which contains the tab: Baseline_Baseline Basepage for the above main page: BaselineBasePage User control that has to be udpated for an event in main page: Baseline_PriorNonDeloitte Source Code: public class BaselineBasePage : System.Web.UI.Page { IList lstControls = new List(); public void Add(IObserver userControl) { lstControls.Add(userControl); } public void Remove(IObserver userControl) { lstControls.Remove(userControl); } public void RemoveAllUserControls() { lstControls.Clear(); } public void Update(SaveEventArgs e) { foreach (IObserver LobjControl in lstControls) { LobjControl.Save(e); } } } public interface IObserver { void Update(SaveEventArgs e); } public partial class Baseline_Baseline : BaselineBasePage { . . . this.Add(_ucPI); this.Add(_ucPI1); protected void abActionBar_saveClicked(object sender, EventArgs e) { SaveEventArgs se = new SaveEventArgs(); se.TabType = (BaselineTabType)tcBaseline.ActiveTabIndex; this.Update(se); } } Public class Baseline_PriorNonDeloitte : System.Web.UI.UserControl,IObserver { public void Update(SaveEventArgs e) { } } More info at: http://www.dofactory.com/Patterns/PatternObserver.aspx span.fullpost {display:none;}

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  • direct url to server ip address and port

    - by AM0
    We have a Windows 2012 dedicated server. There’s a custom service running on port xxxxx which accepts connections from our custom built hardware devices over TCP/IP port. As of now we use servername.serverdomain.com:xxxxx to connect to the service and start communication. However, we prefer to use URL instead of server’s name or IP Address. So we got a custom url and set its name servers to point to dedicated server. However, just setting DNS doesn’t seem to be working. Could someone please guide as to how to get it working? UPDATE In short I want www.custom-url.com being forwarded to servername.serverdomain.com:xxxxx. These requests are coming from hardware and not browser.

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  • Weird noise coming out on Windows 7 when harddisk activity at peak?

    - by Curious Apprentice
    I'm having a very strange problem. I'm hearing a "choooooooooo kkkrrr" sound (Its not like the normal sound speakers make when powered on) all the time. When there is more Hard Disk r/w activity the sound increases and as HDD r/w activity slows down so the sound. I have two other OS installed on my system. I have tested, it only happens when I'm on Windows 7. I have no clue what the hell is happening !? Any help would be greatly appreciated. Here's the sample of noise: http://www.ziddu.com/download/20852917/noise.mp3.html

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  • How to maximise a Single Window across Multiple Monitors?

    - by LePressentiment
    Say I've 3 monitors. I'll instantiate with http://www.texpaste.com/. What would I need for: The leftmost toolbox to be on the leftmost monitor? The center input blank field on the center monitor? The rightmost output display box on the rightmost monitor? Another example with 2 monitors: http://mathb.in/ Analogously, in this case, I'd want: The input blank field for the code on the left monitor? The rightoutput display box on the right monitor?

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  • Strings are UTF-16&hellip;. There is an error in XML document (1, 1).

    - by Shawn Cicoria
    I had a situation today where an xml document had a directive indicating it was utf-8.  So, the code in question was reading in the “string” of that xml then attempting to de-serialize it using an Xsd generated type. What you end up with is an exception indicating that there’s an error in the Xml document at (1,1) or something to that effect. The fix is, run it through a memory stream – which reads the string, but at utf8 bytes – if you have things that fall outside of 8 bit chars, you’ll get an exception.   //Need to read it to bytes, to undo the fact that strings are UTF-16 all the time. //We want it to handle it as UTF8. byte[] bytes = Encoding.UTF8.GetBytes(_myXmlString); TargetType myInstance = null; using (MemoryStream memStream = new MemoryStream(bytes)) { XmlSerializer tokenSerializer = new XmlSerializer(typeof(TargetType)); myInstance = (TargetType)tokenSerializer.Deserialize(memStream); }   Writing is similar – also, adding the default namespace prevents the additional xmlns additions that aren’t necessary:   XmlWriterSettings settings = new XmlWriterSettings() { Encoding = Encoding.UTF8, Indent = true, NewLineOnAttributes = true, }; XmlSerializerNamespaces xmlnsEmpty = new XmlSerializerNamespaces(); xmlnsEmpty.Add("", "http://www.wow.thisworks.com/2010/05"); MemoryStream memStr = new MemoryStream(); using (XmlWriter writer = XmlTextWriter.Create(memStr, settings)) { XmlSerializer tokenSerializer = new XmlSerializer(typeof(TargetType)); tokenSerializer.Serialize(writer, theInstance, xmlnsEmpty); }

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  • Recommended Free DNS hosting for my webserve on a dynamic IP? [closed]

    - by JSchwartz
    I have finished a webserver project (for school) and the professor wants to be able to "test it" from home whenever he is free - this means I need to provide his with the URL to my webserver (which is fine). The only issue is that my IP-Address is dynamic (changes almost everyday) and I would rather not have to email him everytime - nor do I want him to try when it isn't working ... So I was looking into alternative solutions like DNS hosting (I hope that is the right terminology), so I could provide something static for him to connect to ... problem is I have never done this before... Are there any recommeneded free ones? Does Google or someone provide something good? I found http://www.no-ip.com/ which seems like it does what I want... Any feedback would be appreciated. Thanks,

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  • How to set my Ubuntu account to super user at all times?

    - by iaddesign
    I have the latest Ubuntu installed and I'll be the only one using it off the network. My question is: how can I make myself super user at all times? Because when I try to delete a file it says I don't have privileges to do so. I know you are going to say it's a security risk but I'm off the network and want to learn all that I can. I don't want to delete the files through the terminal but want to do it through the user interface/explorer. I've installed LAMP and can't copy my site to the www directory. I've tried to remove the preinstalled index file and it won't let me.

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