Problems associated with removing packages from server

This is a discussion on Problems associated with removing packages from server within the Tech Board forums, part of the Community Boards category; I uninstalled these packages from my ubuntu server : apt-get remove postfix postfix-mysql postfix-doc mysql-client mysql-server courier-authdaemon courier-authlib-mysql courier-pop courier-pop-ssl ...

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    POeT GuY Matus's Avatar
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    Question Problems associated with removing packages from server

    I uninstalled these packages from my ubuntu server :

    apt-get remove postfix postfix-mysql postfix-doc mysql-client mysql-server courier-authdaemon courier-authlib-mysql courier-pop courier-pop-ssl courier-imap courier-imap-ssl postfix-tls libsasl2-2 libsasl2-modules libsasl2-modules-sql sasl2-bin libpam-mysql openssl phpmyadmin apache2 libapache2-mod-php5 php5 php5-mysql libpam-smbpass


    I did this because i wanted a fresh reinstall, but after i did it i've been finding some problems. Anytime i type the Ip of my server on the webbrowser, my index page doesnt show up, my phpmyadmin doesnt come up, my cups and samba connection was lost. What did i destroy? what did i do wrong? Someone please help


    The IP of my server is 10.0.11.25 if anyone wants to check my errors i get, i know its the removing of those packages that i did wrong. But cnt figure it
    Last edited by Matus; 03-17-2009 at 07:47 PM.
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    Ok i figured the CUPS and Samba, it needed to be reinstalled. I still have problems with PHP myadmin though.

    Whenever i type: 10.0.11.25/phpmyadmin on the browser i get this message:

    you have chosen to open which is a PHTML file: What should firefox do?


    this happens either with wordpress, or any other thing that deals with php and mysql it looks like.
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    Well, you removed php5, and you expect PHP scripts (such as phpmyadmin and wordpress) to continue working? And postfix, too, in case you haven't noticed, your SMTP should be broken by now, too (if you use it).

    *edit*
    Oh, and apache.

    CUPS and SAMBA probably depends on some of those packages, so they got uninstalled, too. Next time, check the dependency list before answering "Y" to apt-get.
    */edit*

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    Quote Originally Posted by cyberfish View Post
    Well, you removed php5, and you expect PHP scripts (such as phpmyadmin and wordpress) to continue working? And postfix, too, in case you haven't noticed, your SMTP should be broken by now, too (if you use it).

    *edit*
    Oh, and apache.

    CUPS and SAMBA probably depends on some of those packages, so they got uninstalled, too. Next time, check the dependency list before answering "Y" to apt-get.
    */edit*

    Ok but i have already runned apt-get install what i removed from the first command i executed that removed my programs. It says all packages have been installed, so i can't find the problem. U think it's not installing still?
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    Quote Originally Posted by cyberfish View Post
    CUPS and SAMBA probably depends on some of those packages, so they got uninstalled, too. Next time, check the dependency list before answering "Y" to apt-get.
    */edit*

    I'm just learning about all this depency thing, how would i check what packages are needed, or probably needed, like u said maybe some were dependent on others?
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    Problem is, say if you have packages A, B, and C, where C depends on A.

    If you do "apt-get remove A B", ALL of A, B and C will be removed, since C cannot function without A.

    Then, if you do "apt-get install A B", A and B will be installed, but not C, since A and B don't depend on C.

    Your best bet is probably to fire up synaptic and search for the names of the packages you need (samba, cups), and install everything that you think you may need.

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    Quote Originally Posted by cyberfish View Post
    Problem is, say if you have packages A, B, and C, where C depends on A.
    Just typed in "Aptitude", how do i go about finding the programs missing u know?
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    I'm just learning about all this depency thing, how would i check what packages are needed, or probably needed, like u said maybe some were dependent on others?
    http://packages.ubuntu.com/
    and search for the package.

    When you try to do apt-get remove, it will also tell you packages that would also be automatically uninstalled.
    For example -
    Code:
    cyberfish@cyberfish-desktop:/local_data/wiki$ sudo apt-get remove gcc
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    The following packages will be REMOVED:
      build-essential eclipse-cdt g++ gcc gccxml libboost-python1.35-dev
    0 upgraded, 0 newly installed, 6 to remove and 16 not upgraded.
    After this operation, 35.7MB disk space will be freed.
    Do you want to continue [Y/n]? n
    Abort.
    Even though I only asked for GCC to be removed, 5 other packages will also need to be removed since they depend on GCC.

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    Yea, thanks Cyberfish the important thing now i know, it all has to do with missing packages, i'll see how i fix it up, and find out what exactly is missing. Damn this thing is hectic , never thought servers were all this complicated
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    APT keeps a log in /var/log/apt/term.log

    That might help.

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    Quote Originally Posted by cyberfish View Post
    APT keeps a log in /var/log/apt/term.log

    That might help.

    Ok thanks bro, thanks for the time, time to see if i figure it now

    Cheers
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    Ok i figured the CUPS and Samba, it needed to be reinstalled. I still have problems with PHP myadmin though.

    Whenever i type: 10.0.11.25/phpmyadmin on the browser i get this message:

    you have chosen to open which is a PHTML file: What should firefox do?


    this happens either with wordpress, or any other thing that deals with php and mysql it looks like.
    This may sound really dumb, but you have restarted apache after reinstalling PHP right?

    AFAIK uninstalling then reinstalling the wordpress package through apt-get should give you everything you need for a LAMP server if you dont already have what you need.

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    Quote Originally Posted by mike_g View Post
    This may sound really dumb, but you have restarted apache after reinstalling PHP right?

    AFAIK uninstalling then reinstalling the wordpress package through apt-get should give you everything you need for a LAMP server if you dont already have what you need.
    Hmm yes i restarted teh apache server. I did the reinstallation of wordpress just now, and still nothing, it prompts me that it's a phtml file, and what should firefox do download or open? This has gotten me so annoyed, I've installed lots of packages, and still nothing, i dont know what i'm missing :S

    Even when i do a : 10.0.11.25/testphp.php it says its a php file, what should firefox do?
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    Have you installed libapache2-mod-php5, or did you just install the php5 package?
    Do as I say, not as I do . . .

    Experimentation is the essence of programming. Just remember to make a backup first.

    "I'm a firm believer that <SomeGod> gave us two ears and one mouth for a reason - we are supposed to listen, twice as much as we talk." - LEAF

    Questions posted by these guidelines are more likely to be answered.

    Debian GNU/Linux user, with the awesome window manager, the git version control system, and the cmake buildsystem generator.

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    Even when i do a : 10.0.11.25/testphp.php it says its a php file, what should firefox do?
    That means your PHP is not working, so apache is just sending the source to the browser. Normally, PHP would run the script first, and output HTML, which apache then return to the browser.

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