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• what to do when ctrl-c can't kill a process?

  - by Dustin Boswell

  Ctrl-c doesn't always work to kill the current process (for instance, if that process is busy in certain network operations). In that case, you just see "^C" by your cursor, and can't do much else. What's the easiest way to force that process to die now without losing my terminal? Summary of answers below: Usually, you can Ctrl-z to put the process to sleep, and then do "kill -9 process-pid", where you find the process's pid with 'ps' and other tools. On Bash (and possibly other shells) you can do "kill -9 %1" (or '%N' in general) which is easier. If Ctrl-z doesn't work, you'll have to open another terminal and kill from there.

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• Insert escaped characters in seq command separator

  - by dhekir

  How do I insert a string containing escaped characters (\n, \t, etc) as separator for the seq command? The standard format includes a newline character: $ seq 3 1 2 3 But if I try to add something plus a newline, the backslash is escaped and a literal "\n" is used instead: $ seq -s "$\n" 3 1\n2\n3 The same happens using simple quotes, no quotes, or other escaped characters: $ seq -s "\t" 3 1\t2\t3 $ seq -s \t 3 1t2t3 This is not the standard behavior for commands such as echo, so I'm a bit confused here... Edit: Ideally, I'd like a somewhat portable solution (that works in tsch as well as bash, for instance), and without resorting to Perl or other languages.

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• How do I share a PHP 5.4 server between OS X and VMWare?

  - by Ben

  I'm running PHP 5.4 on OS X which allows me to set up a virtual server for any directory, using this Terminal command: php -S localhost:8000 This will then set up http://localhost:8000 which works great, but what I would like to do is share this server with the instance of Windows that I have running through VMWare in order to test in Internet Explorer. I was wondering if this is possible and if it is, how do I go about setting it up? Currently trying to visit http://localhost:8000 gives me 'This page cannot be displayed'. I'd really appreciate any help that you can give me on this as I don't have much experience with virtual machines/networking. Thanks in advance.

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• Automatically change aspect ratio of WMC videos

  - by NeverwaY

  is there a way to automatically change the aspect ratio flag of a video so that it displays in 16:9 in all video players WITHOUT reencode? Quality loss is not a concern. I just need a quick and efficient way to convert several video files to 16:9 as quickly as possible. For instance, older tv show series. I use a plasma tv for my media center, and do not want black bars burnt into my screen when people that dont understand how to use the zoom function in WMC7 watch tv all day. thanks.

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• Where can I download Microsoft VC80.CRT version 8.0.50608.0 ?

  - by Leonel

  Hi, I've just installed Microsoft Office Home and Student 2007 in Windows XP SP3 When trying to run MS word or any other office app (Excel, PowerPoint), I get the following message: this application has failed to start because the application configuration is incorrect This also happens with other applications, for instance, Acrobat Reader. A bit of Googling around this error message suggests that this might be due to a mismatch of library versions. In fact, most of the articles and forum messages I found mention a programmer writing an application in Visual C++ and sending it to someone else, who then runs into that error. This is hardly my case ! I looked into Office's files and the manifest file for Excel suggests that Office is trying to use Microsoft VC80.CRT version 8.0.50608.0. However, in my Windows System folder, I can only find the assemblies for 8.0.50727.762 My next step will be trying to find version 8.0.50608.0. How can I find and download it ?

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• does any sync software find files that have moved paths within a folder?

  - by kpierce8

  Say I have a pictures folder which I reorganized on one computer. I'd like to use that directory as the base and compare it with another version on a backup drive. Will any sync/compare program find that a file in one folder has moved locations within a compare folder. For instance say I reorganized my pictures from trips into folders by year with the trips folders inside each year folder. If I use a regular compare utility I wind up with two copies of everything that's moved in different locations.

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• What rights does an employer have to the employee's computer?

  - by Terrence Brannon

  What access rights should an employee grant an employer for a work computer? For instance, let's assume that the business people come to the IT lab late at night for discussions with the CIO and they use my computer for reading email and general web surfing. In a sense, this means that they are taking full or partial responsibility for any security issues that crop up that get traced back to the employee's machine. Perhaps the proper way to provide a computer to an employee is to give him full and exclusive use of it while employed. Only supervised access (such as hardware/software maintenance) should be acceptable.

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• Is it possible to sync specific router settings across multiple routers?

  - by Betard Fooser

  I recently purchased a second Linksys wireless routers set up on the other side of my home and I am wondering if it is possible to somehow sync particular settings between the two? For instance what I am really after is the "MAC Filter List". I would "like" to be able to maintain the list on both routers without having to manually type in the field values. maybe this isn't possible, or has an easy answer, but hopefully those of you who know will cut me a bit of slack. I tried to "google" the answer to this of course, but it seems any searches with the words "sync" and "router" and/or "wifi" result in pages of people having issues with synching their iOS devices over wifi. I would say that have decent amount of networking knowledge in regards to average home networks, and I imagine in larger businesses / corporations they must have a "simpler" way of maintaining things like this. Any insight to point me in the right direction will be much appreciated.

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• Vlookup using wildcards in indexed column

  - by Dm3k1

  I know how to use a wildcard with Vlookup on the reference value, but what about on the matched column index? I know you can do for instance VLOOKUP("*Hello*",A4:G4,2,FALSE) However, what if you wanted to match a cell that is "Hello", with another one that is "Why, Hello there!" (so the opposite i suppose) My data is set in a way where a macro is going to ask if A4 in workbook 1 matches C2:C25000 in workbook 2 to return the corresponding value in D back to workbook 1. The thought is that when A4 in workbook 1 says Its DHS Here, that I could input a value such as DHS in column C in workbook 2 and have it say its a match. Is this possible?

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• "Cannot allocate memory" while no process seems to be using up memory

  - by omat

  I am not competent on server issues, any help is much appreciated. When try to start a python/django shell on a linux box, I am getting OSError: [Errno 12] Cannot allocate memory. free -m seems to confirm I am out of memory: total used free shared buffers cached Mem: 590 560 29 0 3 37 -/+ buffers/cache: 518 71 Swap: 0 0 0 But I cannot see what is eating up the memory with top or ps aux: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 20 0 24336 908 0 S 0.0 0.2 0:00.68 init 2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 0:04.85 ksoftirqd/0 How can I identify the leak? Thanks. BTW, I am not sure if it is relevant, but the machine I am talking about is an AWS EC2 instance with Ubuntu 12 running.

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• 403 Forbidden serving static files from VirtualBox shared folder with nginx (Ubuntu 10.04LTS guest, Windows 7 host)

  - by Chris Pratt

  I'm working on a local development VM and trying to test serving my site with gunicorn and nginx as a reverse proxy for static resources only. The site loads minus static resources with user nginx; in nginx.conf. Attempting to load a static resource individually reveals a 403 Forbidden error. For background. The static resources are in a shared folder under /media/sf_work. All files are owned by root:vboxsf (VirtualBox default). My user account on the system has been added to the vboxsf group, and I have full access to the shared folder. For comparison, I tried changing the nginx.conf user to my user account. In that scenario, the static files did load, but then the homepage itself gives a 403 Forbidden error. So, I then tried adding the nginx user to the vboxsf group, but then everything gives a 403 Forbidden error. After further investigation it seems that if the nginx.conf user is in any group, it results in a 403 Forbidden. Any idea what could possibly be going on here?

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• Fetch new Mails (Also from Subfolders) from another IMAP server as new Mail in Postfix

  - by Tobi

  everyone. I have installed Postfix on a server with Aliases and Domains from a MySQL Database. It is configured to forward some adresses to other Mail Accounts and also delivers some mails in local mailboxes that will be queried over a dovecot imap server. For this example let there be two users: [email protected] what is a user that gets its mail just forwarded to let's say [email protected] [email protected] what is a user that accesses its mail from local IMAP. Now, I want to fetch some Mails from another mailserver and handle them as if they were sent to a user of my Mailserver. Lets say those corelations exist: [email protected] has two external accounts: [email protected] and [email protected] [email protected] has also one external account [email protected] The Problem is the new mails on that other Mailserver is not always in the inbox, it might be in subdirectories: mailinglists/all or mailinglists/it but also in mailinglists/some-other-department which is not interesting and should not be delivered. I already found a programm called fetchmail but I cannot find how to fetch subdirectories or decide which subdirectories are fetched.

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• Microsoft Excel IF/THEN statement for Words

  - by user1667462

  Right now I have an excel spreadsheet. In Cells A1 and down I have cities listed. In Cells B1 and down I have some generic information with the word CITY in it. What I want to know if there is a formula to replace the word CITY that is in the contents of Cell B1 with the contents in Cell A1. For instance... Cell A1 has "Daytona Beach, FL" Cell B1 has "Compare mortgage & refinance rates from different mortgage lenders and brokers in CITY. Find the home refinance rate you were looking for in CITY." I need a formula that replaces "CITY" in B1 with "Dayton Beach, FL" in A1. Is this possible? Thank you for your help!

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• Postfix auto create Maildir

  - by Eugene

  I've been beating my head against a wall for a while now on this one. Basically, here is the rundown: Our MX record points to a frontend SMTP server, which contains aliases for actually routing the mail. No alias, no access to the backend storage server, which is what our clients connect to. I'm upgrading the backend email server. Currently, a user is created for every email user on the server, which creates the mailbox. On the new server, everything autheticates through PAM to an LDAP server (all of which is working properly). My goal is to get Postfix to create the Maildir directory for the user automatically. This works fine when I have the /home directory with 777 permissions, but for obvious reasons, this should be avoided. I would like to do this with 775 permissions on /home with a group owner of whatever user Postfix is running as, but I can't seem to figure out what user to use. With the 777 permissions, the /home/$user/Maildir directory is created on message delivery. Does anybody know how I can do this without 777 permissions? The system I am working on is a 64-bit Debian Lenny 5.07 install. Any advice would be appreciated.

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• Firefox cannot recognize certificates for well knows sites

  - by RCola

  When trying to connect to well known sites, for instance hotmail.com Firefox shows that This Connection in Untrusted. In the OptionsAdvancedCertificates it's configured to select one matching certificate automatically. Why Firefox does not trust current connection? Can it be Man-in-the-middle attack or it's something like broken certificate storage on my computer? UPDATE UPDATE2 Solved: the problem is Antivirus Web Access protection. It interferes with HTTPS connection. Similar to Man-in-the-middle? Why ESET cannot do it correctly?

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• internet speed and routers are controlled by whom

  - by Ozgun Sunal

  i need to learn two things. each is related to other a bit. The first one is, while our LAN speed is usually 100 Mbps or at gigabit levels(very big compared to WAN speeds), WAN speed for instance DSL connections are far less than this. However, we are able to download huge files at those Mb speeds. Isn't this weird? [my real concern is why WAN speed is lower than LAN speeds] Who controls those routers around the large Internet? (while we, as web clients are connected to Internet, packets travel through those routers to the destination network/s).But, are those routers all inside the ISP network and if not, who controls those large numbers of routers?

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• Amazon Linux AMI release 2010.11.1 corresponds to which RHEL version (4/5/6)?

  - by Jayesh

  I am using the default Amazon Linux AMI in an EC2 instance - Amazon Linux AMI release 2010.11.1. I can see that it's a Redhat based system, but after trying many tools (/etc/issues, uname -a, lsb_release), I cannot tell which version of RHEL or CentOS is it based on. I need to get some packages that are not available in Amazon's package repos. I have list of custom yum repos that I can use, but since I don't know which RHEL version is the Amazon AMI based on, I cannot choose from different versions of repos. How can I find whether it's running RHEL 4/5/6 (or their CentOS counterparts)?

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• Installing a fake microphone on Windows Server.

  - by Adrian

  My application, that is running on Windows Server (which is an instance on Amazon EC2) requires Skype to be able to make phone calls. The server, of course, does not have a microphone installed and I don't need it to have one, because my application changes the input source to a wav file when the call is established. However, Skype has a strict rule that a microphone must be installed for a call to be made. Thus I want to install a fake microphone that will trick Skype's configuration. So far, I was able to start and run the Windows Sound service, which enabled all of the sound settings. Any ideas are very welcome!

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• Find Files That Contain Both Words in Notepad++

  - by SethO

  In Notepad++ (v5.9), I want to search for files which contain two words. For example, I would like to find all text files in a directory that have both Alpha and Bravo in the file. They may not be next to each other and they may have multiple occurrences of either. I just want to find the files that have at least one instance of each. Is there a way to structure this search without resorting to Regular Expressions? Thanks for the advice.

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• Server-side SSH jump hosts

  - by Dan Sosedoff

  Trying to figure out server side SSH jump hosts logic. Current network schema: [Client] <--> [Server A: hostname: a.com] <--> [Server B] [Client] <--> [Server A: hostname: b.com] <--> [Server C] Server A responds to both DNS records. Possible flow: Client opens a ssh connection with ssh [email protected]. Server A accepts it and should automatically jump user onto Server B with ssh user2@server_b.com. Client opens a ssh connection with ssh [email protected]. Server A accepts it and should automatically just user onto Server C with ssh user2@server_c.com. In other words, client should be able to connect to the target without performing any local configuration, assuming that we have a stock ssh config. The problem with ssh jumps is that user has to define hosts in local ~/.ssh/config file, which is not acceptable in my case. It needs to be a default sshd behavior. Im aware that you can define a custom command ~/.ssh/authorized_keys on server, but i dont think there is a way to properly detect source hostname where user tries to connect. It is possible at all ?

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• How to limit router bandwidth?

  - by David

  Hello, Is there a way to configure my (D-Link DIR-615) router to throttle down the allowed bandwidth after a certain amount of bandwidth has been used? For instance, I want my router to operate normally up to 20GB. After 20GB I want the router to limit bandwidth to a fraction of the normal speed (perhaps 1/5th). I live in Canada, so in about a month, everyone is going to be billed based on the amount they used (usage based billing). Instead of the unlimited bandwidth that I am enjoying now, most people will be capped at 25GB and will have to fork out $2/GB of over usage. Thank you in advance for the help.

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• How to accept email *only* from white-listed addresses in Gmail? [migrated]

  - by Mawg

  I only want to accpet email from two addresses, the rest I want to delete immediately, unseen. I know how to make fileers and I can whitelist those two addresses. If I make 3 filter, in this order; 1) from [email protected] move to inbox, never mark as spam 2) from [email protected] move to inbox, never mark as spam 3) from *@*.* delete immediately, never move to trash can I be guaranteed that that will do what I want? For instance, can I be sure that the filters are executed in that order? I dont want to lose amy mail from those two adresses.

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• Unable to change IP address for eth0 without restart in Ubuntu

  - by Rodnower

  I have Ubuntu 12.04.1 installed. I tried to change the IP address of the interface eth0 in /etc/network/interfaces from 192.168.1.3 to 192.168.1.4 auto lo iface lo inet loopback pre-up iptables-restore < /etc/iptables.up.rules auto eth0 iface eth0 inet static address 192.168.1.4 gateway 192.168.1.1 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 sudo service networking status When I issue: sudo service networking restart I get this response: stop: Unknown instance: networking stop/waiting And IP remains 192.168.1.3: eth0 Link encap:Ethernet HWaddr 00:1e:33:71:cd:a4 inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::21e:33ff:fe71:cda4/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3861 errors:0 dropped:0 overruns:0 frame:0 TX packets:3291 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3423285 (3.4 MB) TX bytes:521854 (521.8 KB) Interrupt:45 Base address:0x4000 Only after restart does the IP change. Any ideas?

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• I want to make an item on a Windows 7 Jump List run as administrator

  - by ProfKaos

  Only occasionally I have to open a Visual Studio project with a VS instance running under admin. This is a little inconvenient because I can't use the short-cut for that project in the VS Jump List. How can I modify the Jump List entry to force VS to open that project running as admin? Please note that I'm not trying to avoid providing admin auth to do this. I'm just trying to avoid having to run VS as admin, and then having to open the project from within VS once it opens.

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• Exchange 2003 Internet Mail Size Limits

  - by scampbell

  I have unsuccessfully tried to increase per user incoming mail size settings by editing their user account settings on our Exchange server, but large incoming mail from external domains is still blocked using the default global settings. After reading here: http://support.microsoft.com/default.aspx?scid=kb;en-us;322679 I see that All Internet e-mail messages use the global setting for limits on sending and on receiving. The message categorizer evaluates the sender's sending limit and the recipient's receiving limit. In example 2 earlier, a user with a user mailbox limit of 3 MB could receive messages from another user with a 3-MB sending limit. Because Internet users use the global setting, they can send only a 2-MB message. Which to me is madness! Surely if I want to allow a user to receive mail up to a certain size then I should be able to set it as such? Is there a specific way of getting round this? Would setting the global defaults high and setting a lower, say 10MB, limit on the SMTP connector do the trick? Thanks.

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