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  • How can I get the comment of the current authorized_keys ssh key ?

    - by krosenvold
    Edit: What I really need to know WHICH ssh key from authorized_keys has been used to identify the currently logged on user. According to "man sshd": Protocol 2 public key consist of options, keytype, base64-encoded key, comment. I see that when I use ssh-keygen, the comment is usually the local identity of the user. Is there any way to access this value when I'm on the remote computer ? (Kind of like the SSH_CLIENT shell variable) (Assuming I enforce the comment to be a remote identity of some sort, I would like to log this from a shell-script! This is on ubuntu)

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  • How to set up an extended desktop on dual monitors in Kubuntu 9.04?

    - by Dennis
    I'm using my laptop (Lenovo Thinkpad T60) and I have a secondary monitor (which has a different resolution than my laptop screen) connected by VGA. Kubuntu recognizes the monitor and it functions but my desktop is mirrored (i.e. an identical copy) across the dual monitors (which is useless to me). How can I extend my desktop across both monitors? P.S. I googled it but the solutions I found weren't standard, they were hardware specific and you had to manually change system files, etc.. There must be an easier way. edit: Here is a snapshot of the settings.

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  • How can I continue audio playback even after switching user?

    - by klyonrad
    I just tested it with iTunes; after switching the user account (only after logging into another account, to be precise) the audio playback from the account "A" stops. However iTunes continues playing in the background; which I realized after switching back to account "A". Very frustrating because it kind-of is a deal-breaker for me; the other person should be able to have some personalized settings; while it is still my computer, and the main account has all the music obviously. The ideal solution would be audio output continuing running while user still has the ability to manually pause it... EDIT: I tested a bit more: "Desktop" apps like VLC don't output sound but continue running; the stock Music.app in Metro pauses the music and continues playing when switching back.

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  • Virtualise Excel in a browser

    - by Macros
    Is it possible to give users access to a virtualised instance of Excel - I don't want to give them access to a full OS (although this will clearly be running in the background, all they can access is Excel - they don't even see any other screens)? Secondly, if it is possible, is it possible to do within a browser? Edit I am building a system which is designed to test candidates skills in Excel and for this reason needs to use the full desktop version and not a web app. I don't want to have to ensure Excel is installed on the client machine as there will be issues around differing versions and security as the workbook(s) that are used in the test use VBA extensively to customise and mark the exercises. Ideally my web app would be able to open a session to the server which then just puts the user into an instance of Excel without ever seeing a desktop. I would also need to be able to pass in command line parameters in order to define which workbook to open and also pass in a unique token to identify the user

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  • Disable RDC Welcome Screen in Windows 2008 R2

    - by mikebridge
    Is there a way to disable or bypass the "Welcome" screen I see when I'm using RDC to log in to a machine using saved credentials? I have startup task which launches an RDP session automatically to localhost when the machine boots. This works, except that the remote desktop window stops and waits for an "OK" on the Welcome screen: MACHINENAME-A.B.C.D(Server ID:Console 0) Welcome [OK] This screen is preventing me from automating this login. Is there any way to get around it? EDIT: Here's the command line I'm currently using to launch it: start /min C:\windows\system32\mstsc.exe c:\rdp\ServiceRunner.rdp

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  • I need to make Windows 7 STOP disabling the wifi adapter when the wired LAN is connected

    - by Escobar Ceaser
    This is a Dell Latitude E6430. There is a setting in the bios to control this behavior and I have DISABLED it but it still happens. I am also running the latest bios. When I plug in a network cable the wifi adapter becomes disabled. I need it to stay enabled. What else could be making this happen? EDIT: The reason I need to do this is because with NETSH WLAN commands you can create a wifi hotspot by sharing the internet connection on the wired adapter and broadcasting a ssid on the virtual wifi nic. I do this all the time but it's not working on this laptop. I'm wondering if it's a network security thing where I am. I'm going to try from my hotel tonight and report back.

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  • What are the signs that a ten days debugging session will not resolve an issue? [on hold]

    - by smonff
    Ten days ago, we fixed a bug on a large application and the hot fix has created a disappearing of some data from the user point of view (side effect). Data are not deleted, but have been set to hidden status. It could be possible to get the data back, but the thing seems to be hard: we've already spent 10 days to understand and reproduce the problem (mostly with SQL queries but sometimes it is necessary to update the database to test the application logic). My questions are : is 10 days a normal amount of time for these kind of problems? should we keep on and retrieve the data or should we give up this work (so the customer-relationship person will tell these users sorry for the loss, but your data have disappeared or maybe tell nothing at all)? what can be the signs that shows that we should stop to search for how to solve this issue? Edit about the context : we are a small team(3), users are not the customers, and lost data are not about the users money, bank or vital data. This is a question from a confused developer about development methodologies and business concerns, not about how we should deal with the customers.

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  • Is there a "pattern" or a group that defines *rcs files in *nix environments?

    - by Somebody still uses you MS-DOS
    I'm starting to use command line a little more, and I see there are a lot of ways to configure some config files in my $HOME. This is good, since you can customize it the way you really like. Unfortunately, for begginners, having too many options is a little confusing. For example, I created .bash_alias for some alias I'm using. I didn't even know this option existed, I'm used to simply edit .bashrc. Do exist a pattern, a "good practice", envisioning flexibility and modularity in terms of rc files structure? Do exist a standardization group for this, or every body just creates it's own configuration setup?

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  • Wifi and eth behavior

    - by r00ster
    I have a wireless router 150M Wireless Lite N Router Model No. TL-WR740N / TL-WR740ND. Normally, when I'm connected to the local network using eth0 I can ping other machines by issuing ping name. When I'm connected through wifi I have to issue ping name.domain.com. The machine is only visible in intranet. How to achieve the same behavior with wifi? The second problem is, that I can not connect to some external sites through wifi but through eth everything is ok. I guess that is related to some port forwarding, but I'm not sure. How can I resolve this issue? EDIT: I'm using Linux Mint.

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  • Clearing the terminal before displaying MOTD

    - by user1417933
    When I connect to my SSH server, it prompts me for the user name and password. After I have authenticated, it will display my MOTD, then show user prompt, like this: Using username "root". Authenticating with public key "everssh" this is my motd root@debian:~# I want to edit some file so that the screen is cleared before the MOTD prints (so basically calling the clear command would do). I heard that the MOTD is displayed by using cat /etc/motd in a startup file, however after searching around I can't find where it is called from. Does anyone know how I can find it?

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  • excel autocomplete combo-box with on-selection event

    - by IttayD
    I have an excel sheet for groceries. One column is the name, another is whether to buy it or not (checkbox) and another is the amount. I'd like to have a widget in the top row so that I start typing an item's name and it shows a list of matching items that I can select from, or if I continue to type and there's only one item, completes its name. When the last item is selected, other widgets show the amount, which I can edit and clicking 'check' will check the item in the list. I know this is kind of very specific, but am hoping someone can at least get me started. Thank you, Ittay

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  • Set one background to stretch across multi-monitor display?

    - by John Isaacks
    I have two monitors and my coworker has three. We were wondering if there was a way to set a single background image to stretch across all the monitors. Right now it's the same image but repeated, so it looks like the same image three times in a row. I would like it to be so that the three images/screens combine to show one image if that makes sense. If I can't set one image to stretch across the screens like that, is there a way to set a different background for each screen? Edit: I just wanted to clarify: I am not talking about one image stretching from his monitors to mine, just stretching across our own monitors.

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  • Writing better timesheet

    - by gunbuster363
    Recently, my company started to require us to fill out a monthly timesheet, writing down everything you do in office. A timesheet contain 29-31 days, depends on the number of days of the month. I need to write the things I did in every row of the excel file, which represent a day. This timesheet embarrasses me, because something like this can happen: I spent Monday writing a program, and the program was done. Because my boss didn't give me other program to write, basically I am just sitting there and pretending I am busy in the following days before my boss gives me another assignment. Of course I should not write it in the timesheet as it is. I can write it in the timesheet that I write the program using 4 days, but it makes me feel very inefficient. I can separate the process into 1) write the program, 2)deploy the program, 3)test the program, but that can make the process so long like 3 weeks, really. Have you encountered such a situation? How would you deal with this? EDIT: some people said I should be more proactive about asking for more assignments, but here is the situation: the boss of my boss gives some jobs to my boss, then my boss gives the jobs to me, sometimes I can also see my boss being quite less busy. One of my colleagues said that I should not ask for another assignment in a proactive manner, because it would be a headache for my boss to think a job out of nowhere for me. I don't want the things turn out like that, really.

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  • let CRON send emails through SMTP ( debian squeeze )

    - by supernova
    i would like to send emails whenever a cronjob has completed, i read that this is possible with exim4. in /etc/alias i added the line myuser: [email protected] in /etc/exim4/update-exim4.conf.conf i set dc_smarthost='smtp.myserver.ip::25 and in /etc/exim4/passwd.client i set smtp.myserver.ip:[email protected]:mypassword my problem is that i can't see any login at my mailserver, and in the exim logs i saw a few lines with 2012-10-13 09:17:01 1TMvy1-0001fp-F2 ** [email protected] R=nonlocal: Mailing to remote domains not supported 2012-10-13 09:17:01 1TMvy1-0001fr-JE <= <> R=1TMvy1-0001fp-F2 U=Debian-exim P=local S=17426 are there any additional config settings i have to set? edit : i solved the prev. error by running dpkg-reconfigure, but now i'm facing the following error <root@debian> R=dnslookup T=remote_smtp defer (-53): retry time not reached for any host

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  • What editor/viewer to use to inspect large text based files?

    - by Turismo
    Are there any text editors/viewers (preferably on windows but other platforms are also ok) that can handle files of 500 MB or more? The editors I checked so far (Notepad++, Notepad, Eclipse) all choked on files of that size. Edit: Many thanks for the great suggestions. I tried gvim as it was the top voted and was available on Windows. I opened the file in a reasonable time. After that scrolling and searching was very smooth as long as syntax highlighting was turned off. From the other editors mentioned TextPad and EmEditor both claim to be able to handle large files very well. EmEditor seems to be built exactly for editing large files. I'll probably try both and report back.

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  • How can I log the response header and body in apache?

    - by acme
    I need to determine whether the server (Apache 2) is returning the full contents of a page along with its correct header or not. I have a PHP-script that is executed successfully, but the browser is getting only half of the html content, it's simply cut off. The client infrastructure is pretty complicated, using Novell BorderManager Proxys and stuff. To ensure the server is doing its job fine I want to log both header and body of the reponse. How can I achieve this? I looked into the mod_log_config module of apache (which is already installed and ready to be used), but honestly I didn't quite manage to configure it to output header and body somewhere. edit: I managed to log the header with LogFormat "%h %l %u %t \"%r\" %s %b \"%{HEADER_NAME}o\"" common2 CustomLog /var/log/apache2/response.log common2 But unfortunately the mod_log_config formats don't support the whole content body. Can anyone help?

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  • Most effective way to change Linux command prompt for all users?

    - by incredimike
    I have several machines and the hostnames are really long.. i.e. companyname-ux-staging-web1.companyname.com. So my prompt looks something like [root@mycompany-ux-staging-web1 ~]# I'd like to shorten that up for all users on all machines with the least amount of work. From what I read I have a couple options, but they all have their drawbacks. I could change the hostname, but that would likely affect applications. Not a great choice. I could alter also $PS1 at login for all users by editing all .bashrc for existing users, and edit /etc/skel/.bashrc for potential new users. That's a lot of work across 10 machines. What's my best option or what have I overlooked?

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  • Seemingly random disconnections on Windows Server 2008 R2

    - by bobblez
    So I have a box running a Windows Server 2008 R2 in my LAN, which is running, among other things, a voip server used by other people. I myself am in the same subnet with the server, while the other users are not. Now, maybe on average twice a day, all the other users get disconnected from the server (and if I take a remote desktop connection to it, I'm not able to open any web pages either). These disconnections usually last only about 5 seconds, but sometimes they may last up to a minute. What could possibly cause this? I have all the updates installed from windows update and the motherboard of the server is asus p5b deluxe (if that is of any interest). edit: Forgot to mention that my own internet connectivity stays intact while the server's does not, and both computers are behind the same router.

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  • How to stop windows 7 from asking to format a disk?

    - by clinux
    Hey guys, I have this USB flash drive with a Linux partition that I use inside VirtualBox. Each time I insert it into the USB port, windows keeps asking if it should format it. Is there anyway to disable Windows from asking that? Thanks. EDIT: Disabling auto-run has not resolved the problem unfortunately. Windows will still check if the disk contains a partition it knows about, and ask to format if it doesn't know it. Really nice try though, any other ideas?

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  • Windows 2008 Server network issues

    - by Snowflow
    I have this one server that just doesn't want to be on the internet It's a new server, a twinblade, the other twin works, but not this one. It can connect fine to everythign else in the LAN, but cannot go out on the net It can be reached by ICMP requests over the net (the nagios server can probe it, but not ping it for instance), but not TCP Everything seems fine both in firewall and machine, i get no issues. Anyone care to help me out where i can start looking, i'm seriously confused. edit: it can ping gateway and through the sonicwall site to site VPN, it\s also able to resolve DNS. the only thing it can`t do is reach anything outside of LAN/VPN

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  • Pushing image changes to multiple servers

    - by gms8994
    I need the ability to push images out to multiple servers whenever they're updated. I've looked at Network Filesystems, but they're all but worthless due to their speed. Images can be uploaded to any one of 3 servers, and would then need to be copied to the other 2. Any suggestions? I'm open to try just about anything. EDIT: Graphics data (jpg, gif, png, etc). Linux only. We're currently using rsync. But having it work back and forth is getting cumbersome. It's all local network.

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  • Solr performance (tomcat) - High load

    - by Ward Loockx
    I'm relatively new to solr. I have a production site running on a VPS, but now I'm having serious load issues. I don't know where to start in order to get the load down... VPS specs (linode.com 512) 512 MB RAM 4 CPU (1x priority) Looks like my solr server (tomcat) is using a lot of CPU power You can find my solrconfig.xml on http://pastebin.com/qdfi8Med and my schema.xml on http://pastebin.com/rRusDP8b I've tried to increaese the cache size, but this didn't do anything on the load. You can see the stats page below. EDIT - Because the screenshot was unclear, I took smaller screenshots if what (I think) is important. Dismax query handler stats Caches stats Thanks for the help!

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  • Route using certain IP address

    - by spa
    I have a server with two public IPs. Both IPs are added to eth0 using ip addr add. Now I'd like to contact a server which uses IP address filtering. Only requests are allowed which use the second IP address. Is there are way to set this up using the standard route command in Linux? I guess that's not the case. So the only solution I see right now: Setup a virtual device let's say eth0:0 and bind the second IP address to it. Then I can reference the device in the route command. Edit: I can't use the second IP as primary one easily as this IP is used as failover IP.

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  • Allow access only to one website

    - by Alex
    Hey. I'd like to allow access on a computer connected directly to the internet to one website ONLY. The solution of IE's "Content advisor" or firefox's "FoxFilter" isn't good enough because it actually downloads the data and just don't display it. I want to block the traffic before the requests are sent. How is it possible? Thanks. Edit: OS is windows xp. The browser can be firefox, iexplorer, chrome... It doesn't matter. The computer is connected directly to the modem.

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  • What command line tools for monitoring host network activity on linux do you use?

    - by user27388
    What command line tools are good for reliably monitoring network activity? I have used ifconfig, but an office colleague said that its statistics are not always reliable. Is that true? I have recently used ethtool, but is it reliable? What about just looking at /proc/net 'files'? Is that any better? EDIT I'm interested in packets Tx/Rx, bytes Tx/Rx, but most importantly drops or errors and why the drop/error might have occurred.

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