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  • Postfix $smtpd_banner rules

    - by horen
    For monitoring purposes I would like to add the IP address to the Postfix smtpd_banner: smtpd_banner = $myhostname ESMTP $smtp_bind_address which works and outputs: 220 mail.mydomain.com ESMTP 123.456.789.0 Now I am wondering if there are any (negative) repercussions to expect. I couldn't find anything about it in the RFC docs. The Postfix docs add another parameter ($mail_name) in their example, so I think I am fine. I just want to verify that my syntax is correct and is allowed.

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  • mac replace, what is the unix command?

    - by all-R
    Hi, on Mac, you know there is no 'merge files' when you ctrl+c/ctrl+v some folder on another one, it actually replaces it. I'm simply wondering on what UNIX is this based? because correct me if I'm wrong, but "cp - R" DOES merge files, no? And that's what I'm doing via the Finder, copying some files and folders... thanks!

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  • unable to install visual studio 2005 on windows 7

    - by div
    after downloading vs2005 sp1 and vs2005 upgrade for vista to install vs 2005 on windows 7,when i tried to intall firstly the vs2005 sp1 i got this error message"The up patch cannot be installed by the windows installer service because the program to be upgraded is missing,or the upgrade patch may update a different version of program.verify that the program to be updated exist on your computer and you have correct upgrade patch"....i have saved VS80sp1-KB926601-X86-ENU (1) and VS80sp1-KB932232-X86-ENU in d: drive...pls help...what shud i do to install vs 2005 on windows 7

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  • Linux: Create files and direcotires but not delete them

    - by Peraz
    I have a process that create directories and files inside a working directory, ex: /workingdir/file1 /workingdir/file2 /workingdir/dir1/file1 /workingdir/dir1/dir2/file1 /workingdir/dir1/file2 I need to avoid deletion/overwrites of created folders/files for that user, but allow subsequent folders/subfolders/files creation. I try permissions, gid, acl with no luck. What is the correct way to do that ? (i can use a cron job if needed)

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  • Oracle export problem

    - by abhiram86
    I use exp username/password@servername owner={ownername} file=backuppath; The parameters given are correct but still not able to connect Below is the error trace: EXP-00056: ORACLE error 12545 encountered ORA-12545: Connect failed because target host or object does not exist EXP-00000: Export terminated unsuccessfully What can be the possible reasons?

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  • Linux `alternatives --config` without user input

    - by Steve
    I am writing a RHEL kickstart script, and in my %post, I need to install a JRE. Basically, the current setup involves me needing to manually go in after first boot and set the newly installed JRE as the default using the alternatives --config command. Is there a way for me to pass arguments to alternatives so I don't have to manually pick the correct JRE?

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  • Change section key to less-than in OS X

    - by onik
    I'm having trouble getting my keyboard layout to be properly recognized. At the moment everything else is fine, but my less-than key (<) is mapped to the section key (§), which makes writing HTML a pain. I've tried Ukelele and KeyRemap4MacBook, but can't seem to find the correct settings to change. For reference, this is my layout: Finnish Multilingual, and in System Preferences the input is set to Finnish.

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  • SUM condition on one set of columns where another includes certain values

    - by pjp
    I have the following data in Excel where I want a formula that will give me the sum of all of the total rows: A B australia 10 australia total 10 china 1 china 5 china 7 china total 13 I have tried formulae along the lines of =sumif(A:A,"search("total",A:A)>0",B:B) but I cannot get the condition to work. What is the correct way to write this contains condition? Is there also specific a grammar for the condition language? I've been unable to find anything.

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  • Which folder lock application will meet this requirement?

    - by user1540992
    I want any third party(either commercial or Open source) folder lock application that protects file with password without hiding the files. The locked folder should be displayed to user as password protected folder, when user try to open the folder, it should ask password. When the user enters correct password it should open, otherwise it should throw an error. Is there any application with this quality? I searched a lot, but I could not find any.

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  • linux rsync problem

    - by friends
    i following the tutorial of the http://www.howtoforge.com/mirror-your-web-site-with-rsync-on-fedora-10 i have completely step by step following the instructions and setup the key, script my problem is when i use server1 to type the command , it still prompt me for password. then i look the /var/log/secure, i 've found the message Authentication tried for root with correct key but not from a permitted host (host=123132132312.static.ctinets.com, ip=20x.80.236.xxx). can anyone help?

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  • Number of subnets for specific mask

    - by kutacz
    Question source Problem: Your company has been assigned the following IP address: 192.112.136.0 /27 Your group has been assigned the fourth subnet. Question 5: How many useable subnets are available for assignment? Why the answer is 6? I would shoot it's 8 , because 255/32 = 8. More generally - what is an correct algorithm to compute the number of available subnetworks for the same mask?

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  • Can I have the Windows 7 taskbar pinned icons change like they do when unpinned?

    - by root45
    I just discovered that if Windows Explorer is unpinned from my taskbar it displays the icon of the currently active folder. This is what I see if it's pinned But if it's unpinned I see the current icon. Downloads: Documents: C: I really like seeing the "correct" icon, and I've noticed this also applies to other programs that have varying icons. Is there a way I can have explorer pinned, but to see the icons as though it's unpinned?

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  • How do I disable automatic hyphen correction in OS X 10.7?

    - by user167706
    How do I disable automatic hyphen correction in OS X 10.7? When using the spell checker in Apple Mail it is always prompting to correct my hyphens to another one which is essentially similar but microns longer on the screen for some reason. It's annoying as I often use hyphens and really need spell check too. Thoughts? I looked in all the usual System Preferences places but can't find anything.

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  • Output of free -m on a Linux server

    - by cat pants
    I can see from this page here: http://www.linuxatemyram.com/ That the correct amount of free ram is on the "-/+ buffers/cache" line. The extra ram being used is for disk caching. However, I noticed that the total amount of memory used listed in "-/+ buffers/cache" line is significantly less than the sum total of the "RES" column of the processes shown in top. And AFAIK, the "RES" column is how much physical memory is being used by a process. How do you explain this discrepancy?

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  • Augeas - create new ini section

    - by Tim Brigham
    I have a config file in augeas using a custom lens that outputs the data as follows. /files/opt/../server.conf/target[1] = "general" /files/opt/../server.conf/target[1]/serverName = "XXX" /files/opt/../server.conf/target[1]/guid = "XXX0XXX" /files/opt/../server.conf/target[2] = "sslConfig" /files/opt/../server.conf/target[2]/sslKeysfilePassword = "$1$XXXXX" This works well - some of the target names contain colons, etc so I need to use the target[x] format. What is the correct ins syntax to create a new section in my INI using this syntax?

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  • Is it OK to have a diferent hostname to fqdn?

    - by Cameron Ball
    I have a server with fqdn git.mydomain.com (this is in DNS) but I don't really want the machine to have git as its hostname. Right now I have the hostname in /etc/hostname set as (for example): mycustomhostname And in /etc/hosts I have 1.2.3.4 git.mydomain.com mycustomhostname (Where 1.2.3.4 is my server's IP) I've read that the first component of the FQDN should always be the unqualified hostname, so is what I'm doing bad? If so, what is the correct way to do what I want?

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  • "When firefox starts" setting does not last after a reboot

    - by user3990
    I have set the "when firefox starts" and "home page" values, but when I reboot the computer (or more accurately, when I restart the computer as it has been crashing frequently of late), those values get reset to some default value which I don't want. If I close Firefox then reopen, the correct values appear. How I do store the values over reboots? The values are when firefox starts: show a blank page home page: about:blank I'm still using Windows XP so there's no problem about directory permissions.

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  • how to set keyboard for phonetic Hindi typing oneiric for Wx keyboard on QWERTY keyboard

    - by Registered User
    I am trying to type documents in Hindi language. My OS: Ubuntu 11.10 Gnome environment (http://packages.ubuntu.com/search?keywords=gnome-session-fallback) I do not use unity interface.The method is shown here http://www.youtube.com/watch?v=LL7icGNhIfI I am able to type in Hindi in Libreoffice and gedit as well with method shown above.But this is a very difficult way of typing because I have to remember all the English Keys corresponding to the Hindi words as mapped here http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html-single/International_Language_Support_Guide/images/hindi.png What I want to be able to do is type phonetically and not use above kind of keyboard. I have US English keyboard in my laptop. See the snapshot here https://picasaweb.google.com/107404068162388981296/UnknownAsianLanguage#5704771437325752466 I have selected the phonetic input method in Ibus window but this still is not working as expected. I expect to be able to type phonetically (given with above phonetic selection) what is happening is I have to type like using a QWERTY keyboard for Hindi language which is deviation from expected behavior. How can I rectify or achieve correct behavior?

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  • Security Pattern to store SSH Keys

    - by Mehdi Sadeghi
    I am writing a simple flask application to submit scientific tasks to remote HPC resources. My application in background talks to remote machines via SSH (because it is widely available on various HPC resources). To be able to maintain this connection in background I need either to use the user's ssh keys on the running machine (when user's have passwordless ssh access to the remote machine) or I have to store user's credentials for the remote machines. I am not sure which path I have to take, should I store remote machine's username/password or should I store user's SSH key pair in database? I want to know what is the correct and safe way to connect to remote servers in background in context of a web application.

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  • Raycasting "fisheye effect" question

    - by mattboy
    Continuing my exploration of raycasting, I am very confused about how the correction of the fisheye effect works. Looking at the screenshot below from the tutorial at permadi.com, the way I understand the cause of the fisheye effect is that the rays that are cast are distances from the player, rather than the distances perpendicular to the screen (or camera plane) which is what really needs to be displayed. The distance perpendicular to the screen then, in my world, should simply be the distance of Y coordinates (Py - Dy) assuming that the player is facing straight upwards. Continuing the tutorial, this is exactly how it seems to be according to the below screenshot. From my point of view, the "distorted distance" below is the same as the distance PD calculated above, and what's labelled the "correct distance" below should be the same as Py - Dy. Yet, this clearly isn't the case according to the tutorial. My question is, WHY is this not the same? How could it not be? What am I understanding and visualizing wrong here?

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  • Color sprite tint with opacity in MonoGame/XNA

    - by Piotr Walat
    In MonoGame I am using SpriteBatch to draw sprites. I want to create a semi transparent overlay that would 'tint' the sprite with a given color. SpriteBatch.Draw accepts Color parameter that allows to specify the tint, however the alpha channel seems to make the whole sprite transparent (not the tint only). To address the problem i am overlaying my sprites with another white, semitransparent sprite tinted to a given color. It works as expected, but I am not sure if that is the correct (ie. most optimal) approach. Can you suggest better/faster technique?

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  • Broadband wireless drivers don't work

    - by user88235
    I have a Dell Latitude E6520 which is a Ubuntu 12.04 certified hardware. However the driver assigned to the Dell Wireless 5630 (EVDO-HSPA) Mobile Broadband Mini-Card doesn't seem to work. When I boot in Windows 7 I connect to Verizon dialing *99# with no username or password but it won't connect using Ubuntu. The windows drivers are from Novatel Wireless Inc 1.0.0.6 if that helps. This is also an internal card not USB and the hardware Id is USB\VID_413C&PID_8194&REV_0002&MI_00 If anyone can help me with obtaining the correct driver or maybe some other way of getting it to work I would be very grateful. My job requires traveling and I need internet access but hate using Win7.

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