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• setting up static ip on linux

  - by user64908

  I understood the interface file in linux needs to be edited and the corresponding lines added. I don't understand what network and broadcast are for, it seems extra versus a windows static ip configuration. In my case my gateway is 192.168.5.1 and my machine ip is 192.168.5.101, what would be my network and broadcast address, is the below correct and what exactly do they mean? iface eth0 inet static address 192.168.5.101 gateway 192.168.5.1 netmask 255.255.255.0 network 192.168.5.0 broadcast 192.168.5.255

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• Computer not turning off after windows shuts down printer driver

  - by Confused

  The power is not shutting off my computer after windows shuts down. Windows shuts down and I hear my computer case "click" but the power and fans all stay on. This seemed to start after I installed the canon pixma printer driver and software from their website. I have uninstalled the printer software from "uninstall program" and deleted the printer from printers. I have even stopped spool service and deleted printer following this post, the printer drivers did uninstall. How to completely remove printer from Windows 7

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• iSCSI NAS supporting VMware Esxi 5.1 servers in a software development environment

  - by BigTFromAZ

  I would like to build (or purchase) the smallest, quietest most energy efficient servers that I can for a low demand environment. These would only have a small disk for guest swap files, a CPU (XEON preferred), 32 Gb of memory and minimal graphics. The virtual machines need to be up but demand will be quite low. Any thought on case, format processors, fans, motherboard, et al? Small, quiet and lots of RAM are the operative words here.

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• download a series of files automatically using command line/wget

  - by anasnakawa

  I have a case that I would like to trigger an automatic download for a list of 114 file (recitation) for each reader, for example if i want to download the recitations for a reader called abkr, the urls for the files will look like the following.. http://server6.mp3quran.net/abkr/001.mp3 http://server6.mp3quran.net/abkr/002.mp3 ... http://server6.mp3quran.net/abkr/113.mp3 http://server6.mp3quran.net/abkr/114.mp3 simply these are Quran recitations, so they are always have a total of 114 is there an easy way to loop that using command line on Windows ?

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• Use Match in sshd_config to detect SCP connection

  - by Garreth McDaid

  I use the following directive in sshd_config to detect if the user trying to login to a server is called developer, and issue a bash script to the user if that is the case: Match User developer ForceCommand /bin/dev_login However, when the user tries to upload a file using SCP, they can't, as the dev_login script is interrupting the process. Is it possible to use the Match directive to detect if the connection is SCP rather than a request to open a shell?

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• Is data=journal on a separate device on Ext4 as good as using a RAID controller with battery backed cache for file system consistency?

  - by Jeff Strunk

  It seems to me that data=journal prevents file system inconsistency in the case of power failure. Using it with a dedicated journal device mitigates the performance penalty of writing the data twice. A power outage would still lose the data that is currently being written to the journal, but the file system on disk would always be consistent. If that amount of loss is acceptable, is a RAID controller with battery backed cache really worthwhile?

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• Programmatically reconnect to wifi network

  - by ya23

  Sometimes I work with frequently-dropping wifi connections. I can either reconnect manually or wait some time (varies from few seconds to few minutes) before windows attempts to reconnect. Is there a simple way to trigger reconnect immediately after the connection was dropped? Bonus question: In this particular case I'd blame hardware, but how can I diagnose the reason of dropping connection in general?

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• Building a backup server

  - by user8181

  One of my older motherboards broke and I'm planning to use the remaining power supply, hard drive and case to build a backup server. I want to buy a new motherboard and CPU that can be used 24x7 and wont break down in a few months. So the question is, do you have any recommendations on any reliable motherboards and CPU for a backup server? Processing power is not a huge issue.

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• Switching efficiently between windows, not apps, in OS X

  - by Vultan

  Previous questions have asked "how can I efficiently switch between windows, not applications, in OS X"? (Switching windows on OS X, Switch between windows on Mac OS X? and others). The most recommended suggestions seem to be: Use some combo of cmd-tab and cmd-~. Use Expose, and possibly Spaces Use Witch I spent the money on Witch, and have been using it for a few weeks; it's ok, but it is sometimes slow to respond, sometimes buggy on window order, crashes my system if I disable and re-enable it too many times, and doesn't work properly with X11 apps. The built-in cmd-tab and cmd-~ are ok, but still bring an entire application to the forefront. I find a very common workflow I use is to bounce back and forth between two windows (for example, a browser window and a Thunderbird email in progress), when both apps (the browser and email software) have multiple windows open. I can use Cmd-Tab to get back and forth between apps, but whenever I switch to an app, ALL windows from that app pop up. That suddenly fills my screen with irrelevant data and windows, and often drops those other windows in front of the single window from the other app that I was using and would conveniently like to keep viewing even though it isn't in focus. Expose seems to be the preferred "OS X natural way," but I can't seem to get myself to use it efficiently. I hit F9, and see 10 windows; I then need to squint, try to find the window I want, then use the mouse or the cursor keys to navigate to the one I want. Given the number of power users who say they use Expose, I must be missing the boat here. My goal is not to make this a repeat of previous questions. I'm not asking "what are my alternatives?" (unless I've missed one above!) Rather, I'm asking: what are you, OS X power users, actually doing to handle the use case I described above? Another common use case for me is having multiple Excel spreadsheets open and multiple browser windows open, and I'm rapidly switching back and forth between one spreadsheet in particular and one browser window. Every time I Cmd-Tab, all spreadsheets or all browser windows appear: I don't want to see the ones I'm not working with, and they tend to hide the windows from the alternative app that I don't have in focus but I'd like to at least eyeball. Can you describe what your workflow is like, and how you rapidly and thoughtlessly switch between windows from apps that have multiple windows open?

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• Url rewrite rule

  - by vvr

  How to redirect a page form show.php?id=(15charstring) to show/(15charstring) I tried like this it is doing reverse means it is redirecting /show/(15chars) to show.php?id=(15chars) RewriteEngine on RewriteRule ^/show/([a-zA-Z0-9]{15})$ http://site.com/show.php?id=$1 Second case is i have to redirect to another page if he added &m=true to the url show.php?id=(15chars)&m=true html/show.php?id=(15chars).

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• What kind of hosting is used for *tube sites?

  - by playcat

  Hello, When a site grows from a just-a-fun project to a site with bigger load of visitor, and you want to enable them to upload videos, you might find yourself in a need of a better hosting, including dedicated server and a no-limit web traffic (or some reasonable limit). So, if people can upload their videos, and if page has around 1000-10000 visitors per day, what kind of hosting is there to choose from? What is needed in that case? Thx

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• Multiple pages per sheet (PDF)

  - by smihael

  I use the following commands pdf2ps input.pdf - | psnup -pA4 -4 >> output.ps ps2pdf output.ps output.pdf rm output.ps to merge multiple pages (in this case 4) from input file to one sheet in outupt file. How can I modify pipelining so that I won't have to use 2 commands, but just a single one liner? Is there any other commandline tool that would do the same and can work directly on pdf files?

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• Sometimes breakpoint will not work in visual c++ 2008 express?

  - by superuser

  What's the root cause? I can't reproduce it,but sometimes the breakpoint can't let the programme pause. Has anyone else ever step into this case?

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• Nginx error page using django master page

  - by user835199

  I am using python django to develop a web app and using nginx and gunicorn as servers. I need to define nginx error page (for error codes like 500, 501 etc), but i want to keep the layout same as that in other site pages. For site pages, i use the include functionality of django but in this case, since django won't preprocess the page, i need to create a pure html page. Is there a way to reuse the master page that i created in django for creating this error page?

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• Is it possible to upgrade from a clean install in Windows 8?

  - by Misha

  Does Windows 8 support upgrading from a clean install. For example, buying the upgrade key and entering it on a clear install? Or is it functionally necissary to have the version you are upgrading from installed on the computer. The former was the case with Windows 7, but I recal Windows 2000 needed the an installed copy before an update would proceed. I currently have a linux setup and I have the liceanse for Windows 7, but I don't want to have to downoad two 4 GB isos.

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• Backing up the OS from a netbook?

  - by AppsByAaron

  I'm looking at getting a netbook but I see that they don't come with the OS on cd/dvd. Is there a way for me to make a "backup" of the default install in case I get a virus or HD wipe and need to "re-install" the OS?

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• is it possible to synchronize the states of TCP proxies in real time (for real-high-availability of SLB)?

  - by Song

  Consider that there are two server load balancers working in the tcp proxy mode (e.g., for L7 load balancing). Is it possible to synchronize their states in real time so that they can be a backup for each other? in case that one is down, the other still has all necessary states to uninterruptedly support all existing TCP connections. I understand that this is hard, but I am wondering whether any free/commercial LB already supports this feature. Thank you!

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• How can I start new window in the same screen session automatically?

  - by Mato

  I read How can I start multiple screen sessions automatically?, but I don't understand the first accepted reply: screen -dmS "$SESSION_NAME" "$COMMAND" "$ARGUMENTS" In my case I need to automatically create one screen session for one script, and afterwards I need to create a new window in the same session for another script. Manually, I would: run screen enter command CTRL+A CTRL+C enter command CTRL+A CTRL+D How can I do this automatically in a script? A simple example would help me a lot. Thank you for replies.

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• Why do breakpoints sometimes not work in visual c++ 2008 express?

  - by superuser

  What's the root cause? I can't reproduce it,but sometimes the breakpoint can't let the programme pause. Has anyone else ever step into this case?

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• Restrict print copies on a PDF

  - by Chops

  We have a very specific use case for an application we're developing, where a user will be presented with a PDF document, which they can print off. However, we need to be able to restrict the PDF so it can only be printed off once. Does anyone know if there's a way to restrict the number of times a PDF can be printed. I'm aware the PDF spec has lots of security features, but I've not found reference to anything like this before. Many thank.

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• Can I change a user password in Linux from the command line with no interactivity?

  - by Paul Hoffman

  I have a specific use case where I would really like to be able to change a user's password with a single command with no interactivity. This is being done in a safe fashion (over SSH, and on a system with only one user able to be logged in), so it's fine to expose the new password (and even the old one, if necessary) on the command line. FWIW, it's a Ubuntu system. I just want to avoid having to add something Expect-like to this system for just this one task.

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• Best way to "clone" my Windows Server 2008 R2?

  - by A.B. User

  I have a Windows Server 2008 R2 Machine with 1 physical hard drive. I have an exact copy of the hardware of it, which I intend to use a a redundant backup in case my server fails (hardware or software). I'd like to routinely "clone" my production server's hard drive, so that when it fails, I'll just swap it with the latest clone. Is this even possible? If it is, what would be the simplest way to do this?

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• Show only row that follow criteria in Excel

  - by user10826

  Hi, in Excel, how can one filter and just show on the WORKSHEET rows that follow some criteria, for instance, rows that have the value "1" in the second column? In case it can be done, can I add this action somehow to a button on the toolbar? I use Excel for Mac 2008 Thanks

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• No mail for root message [closed]

  - by Werulz

  I want to receive email when people login to my server via ssh (as a security measure), however, when I login, I get: No mail for root Email is [email protected] Does it need Postfix to work? I already install it on server but i haven't configured it Can you give me a tutorial to configure Postfix in case it needed? Will email be sent even if my domain hasn't been propagated yet? I added this in .bash_profile echo 'ALERT - Root Shell Access on:' `date` `who` | mail -s "Alert: Root Access from `who | awk '{print $6}'`" [email protected]

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• How copy with shell commands(Linux) from 1 computer have (permanent url + open port) to 2 computer (secure way)?

  - by BenBen

  How copy with shell commands(Linux) from remote(my office computer) computer (permanent url + open port) to my (home) computer home/remote_computer_user/Desktop/test1.txt to my home computer home/home_computer_user/Downloads/ ? What I am doing: 1. ssh <user>@<computer1address> -p <port> :: success to get remote computer shell () 2. (I think I should use scp , but I dont how exactly in my case) Please if you can, write the exact commands that i should to from the shell Thanks in advance

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