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Thread: updating multiple computers on the network

  1. #1
    Join Date
    Nov 2010
    Beans
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    updating multiple computers on the network

    Hi,
    I have 3 computers in my house running ubuntu, and I wanted to get them to update from just 1 download from the main server. so using the apt-cache application, I tried doing it, but when I do sudo apt-get update, it stops on 98% .

    I followed this guide here .

    my sources.list from the client is (192.168.1.11 is the static ip I have assigned to the host)

    # deb cdrom:[Ubuntu 10.10 _Maverick Meerkat_ - Release i386 (20101007)]/ maverick main restricted
    # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
    # newer versions of the distribution.

    deb http://192.168.1.11:3142/unsupported maverick main restricted
    deb-src http://192.168.1.11:3142/unsupported maverick main restricted

    ## Major bug fix updates produced after the final release of the
    ## distribution.
    deb http://us.archive.ubuntu.com/ubuntu/ maverick-updates main restricted
    deb-src http://us.archive.ubuntu.com/ubuntu/ maverick-updates main restricted

    ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    ## team. Also, please note that software in universe WILL NOT receive any
    ## review or updates from the Ubuntu security team.
    deb http://192.168.1.11:3142/unsupported maverick universe
    deb-src http://192.168.1.11:3142/unsupported maverick universe
    deb http://192.168.1.11:3142/unsupported maverick-updates universe
    deb-src http://192.168.1.11:3142/unsupported maverick-updates universe

    ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    ## team, and may not be under a free licence. Please satisfy yourself as to
    ## your rights to use the software. Also, please note that software in
    ## multiverse WILL NOT receive any review or updates from the Ubuntu
    ## security team.
    deb http://192.168.1.11:3142/unsupported maverick multiverse
    deb-src http://192.168.1.11:3142/unsupported maverick multiverse
    deb http://192.168.1.11:3142/unsupported maverick-updates multiverse
    deb-src http://192.168.1.11:3142/unsupported maverick-updates multiverse

    ## Uncomment the following two lines to add software from the 'backports'
    ## repository.
    ## N.B. software from this repository may not have been tested as
    ## extensively as that contained in the main release, although it includes
    ## newer versions of some applications which may provide useful features.
    ## Also, please note that software in backports WILL NOT receive any review
    ## or updates from the Ubuntu security team.
    # deb http://in.archive.ubuntu.com/ubuntu/ maverick-backports main restricted universe multiverse
    # deb-src http://in.archive.ubuntu.com/ubuntu/ maverick-backports main restricted universe multiverse

    ## Uncomment the following two lines to add software from Canonical's
    ## 'partner' repository.
    ## This software is not part of Ubuntu, but is offered by Canonical and the
    ## respective vendors as a service to Ubuntu users.
    deb http://192.168.1.11:3142/archive maverick partner
    deb-src http://192.168.1.11:3142/archive maverick partner

    ## This software is not part of Ubuntu, but is offered by third-party
    ## developers who want to ship their latest software.
    deb http://192.168.1.11:3142/extras maverick main
    deb-src http://192.168.1.11:3142/extras maverick main

    deb http://192.168.1.11:3142/security maverick-security main restricted
    deb-src http://192.168.1.11:3142/security maverick-security main restricted
    deb http://192.168.1.11:3142/security maverick-security universe
    deb-src http://192.168.1.11:3142/security maverick-security universe
    deb http://192.168.1.11:3142/security maverick-security multiverse
    deb-src http://192.168.1.11:3142/security maverick-security multiverse
    and the apt-cacher config from the host is

    ################################################## ###############
    # This is the config file for apt-cacher. On most Debian systems
    # you can safely leave the defaults alone.
    ################################################## ###############

    # cache_dir is used to set the location of the local cache. This can
    # become quite large, so make sure it is somewhere with plenty of space.
    cache_dir=/var/cache/apt-cacher

    # The email address of the administrator is displayed in the info page
    # and traffic reports.
    admin_email=root@localhost

    # For the daemon startup settings please edit the file /etc/default/apt-cacher.

    # Daemon port setting, only useful in stand-alone mode. You need to run the
    # daemon as root to use privileged ports (<1024).
    daemon_port=3142

    # optional settings, user and group to run the daemon as. Make sure they have
    # sufficient permissions on the cache and log directories. Comment the settings
    # to run apt-cacher as the native user.
    group=www-data
    user=www-data

    # optional setting, binds the listening daemon to specified IP(s). Use IP
    # ranges for more advanced configuration, see below.
    # daemon_addr=localhost

    # If your apt-cacher machine is directly exposed to the Internet and you are
    # worried about unauthorised machines fetching packages through it, you can
    # specify a list of IPv4 addresses which are allowed to use it and another
    # list of IPv4 addresses which aren't.
    # Localhost (127.0.0.1) is always allowed. Other addresses must be matched
    # by allowed_hosts and not by denied_hosts to be permitted to use the cache.
    # Setting allowed_hosts to "*" means "allow all".
    # Otherwise the format is a comma-separated list containing addresses,
    # optionally with masks (like 10.0.0.0/22), or ranges of addresses (two
    # addresses separated by a hyphen, no masks, like '192.168.0.3-192.168.0.56').
    allowed_hosts=*
    denied_hosts=

    # And similarly for IPv6 with allowed_hosts_6 and denied_hosts_6.
    # Note that IPv4-mapped IPv6 addresses (::ffff:w.x.y.z) are truncated to
    # w.x.y.z and are handled as IPv4.
    allowed_hosts_6=fec0::/16
    denied_hosts_6=

    # This thing can be done by Apache but is much simpler here - limit access to
    # Debian mirrors based on server names in the URLs
    #allowed_locations=ftp.uni-kl.de,ftp.nerim.net,debian.tu-bs.de

    # Apt-cacher can generate usage reports every 24 hours if you set this
    # directive to 1. You can view the reports in a web browser by pointing
    # to your cache machine with '/apt-cacher/report' on the end, like this:
    # http://yourcache.example.com/apt-cacher/report
    # Generating reports is very fast even with many thousands of logfile
    # lines, so you can safely turn this on without creating much
    # additional system load.
    generate_reports=1

    # Apt-cacher can clean up its cache directory every 24 hours if you set
    # this directive to 1. Cleaning the cache can take some time to run
    # (generally in the order of a few minutes) and removes all package
    # files that are not mentioned in any existing 'Packages' lists. This
    # has the effect of deleting packages that have been superseded by an
    # updated 'Packages' list.
    clean_cache=1

    # Apt-cacher can be used in offline mode which just uses files already cached,
    # but doesn't make any new outgoing connections by setting this to 1.
    offline_mode=0

    # The directory to use for apt-cacher access and error logs.
    # The access log records every request in the format:
    # date-time|client ip address|HIT/MISS/EXPIRED|object size|object name
    # The error log is slightly more free-form, and is also used for debug
    # messages if debug mode is turned on.
    # Note that the old 'logfile' and 'errorfile' directives are
    # deprecated: if you set them explicitly they will be honoured, but it's
    # better to just get rid of them from old config files.
    logdir=/var/log/apt-cacher

    # apt-cacher can use different methods to decide whether package lists need to
    # be updated,
    # A) looking at the age of the cached files
    # B) getting HTTP header from server and comparing that with cached data. This
    # method is more reliable and avoids desynchronisation of data and index files
    # but needs to transfer few bytes from the server every time somebody requests
    # the files ("apt-get update")
    # Set the following value to the maximum age (in hours) for method A or to 0
    # for method B
    expire_hours=0

    # Apt-cacher can pass all its requests to an external http proxy like
    # Squid, which could be very useful if you are using an ISP that blocks
    # port 80 and requires all web traffic to go through its proxy. The
    # format is 'hostnameort', eg: 'proxy.example.com:8080'.
    #http_proxy=proxy.example.com:8080

    # Use of an external proxy can be turned on or off with this flag.
    # Value should be either 0 (off) or 1 (on).
    use_proxy=0

    # External http proxy sometimes need authentication to get full access. The
    # format is 'usernameassword'.
    #http_proxy_auth=proxyuserroxypass

    # Use of external proxy authentication can be turned on or off with this flag.
    # Value should be either 0 (off) or 1 (on).
    use_proxy_auth=0

    # This sets the interface to use for the upstream connection.
    # Specify an interface name, an IP address or a host name.
    # If unset, the default route is used.
    #interface=

    # Rate limiting sets the maximum bandwidth in bytes per second to use
    # for fetching packages. Syntax is fully defined in 'man wget'.
    # Use 'k' or 'm' to use kilobytes or megabytes / second: eg, 'limit=25k'.
    # Use 0 or a negative value for no rate limiting.
    limit=0

    # Debug mode makes apt-cacher spew a lot of extra debug junk to the
    # error log (whose location is defined with the 'logdir' directive).
    # Leave this off unless you need it, or your error log will get very
    # big. Acceptable values are 0 or 1.
    debug=0

    # To enable data checksumming, install libberkeleydb-perl and set this option
    # to 1. Then wait until the Packages/Sources files have been refreshed once
    # (and so the database has been built up). You can also nuke them in the cache
    # to trigger the update.
    # checksum=1

    # Print a 410 (Gone) HTTP message with the specified text when accessed via
    # CGI. Useful to tell users to adapt their sources.list files when the
    # apt-cacher server is being relocated (via apt-get's error messages while
    # running "update")
    #cgi_advise_to_use = Please use http://cacheserver:3142/ as apt-cacher access URL
    #cgi_advise_to_use = Server relocated. To change sources.list, run perl -pe "s,/apt-cacher\??,:3142," -i /etc/apt/sources.list

    # Server mapping - this allows to hide real server names behind virtual paths
    # that appear in the access URL. This method is known from apt-proxy. This is
    # also the only method to use FTP access to the target hosts. The syntax is
    # simple, the part of the beginning to replace, followed by a list of mirror
    # urls, all space separated. Multiple profile are separated by semicolons
    # Note that you need to specify all target servers in the allowed_locations
    # options if you make use of it. Also note that the paths should not overlap
    # each other. FTP access method not supported yet, maybe in the future.
    #path_map = debian ftp.uni-kl.de/pub/linux/debian ftp2.de.debian.org/debian ; ubuntu archive.ubuntu.com/ubuntu ; security security.debian.org/debian-security ftp2.de.debian.org/debian-security

    path_map = mavericksec security.ubuntu.com/ubuntu ; extras extras.ubuntu.com/ubuntu ; archive archive.canonical.com/ubuntu ; unsupported us.archive.ubuntu.com/ubuntu/

    # Permitted package files - this is a perl regular expression which matches all
    # package-type files (files that are uniquely identified by their filename).
    # The default is:
    #package_files_regexp = (?:\.deb|\.rpm|\.dsc|\.tar\.gz|\.diff\.gz|\.udeb|i ndex\.db-.+\.gz|\.jigdo|\.template)$

    # Permitted Index files - this is the perl regular expression which matches all
    # index-type files (files that are uniquely identified by their full path and
    # need to be checked for freshness).
    #The default is:
    #index_files_regexp = (?:Index|Packages\.gz|Packages\.bz2|Release|Releas e\.gpg|Sources\.gz|Sources\.bz2|Contents-.+\.gz|pkglist.*\.bz2|release|release\..*|srclist. *\.bz2|Translation-.+\.bz2)$

    can you help me identify the problem??

    In the apt-cacher config file, the only changes made to the default is the path names.


    Thanks!

  2. #2
    Join Date
    Feb 2010
    Location
    Silicon Valley
    Beans
    1,898
    Distro
    Xubuntu 12.04 Precise Pangolin

    Re: updating multiple computers on the network

    I highly recommend that you toss apt-cacher and use apt-cacher-ng instead.

    The only configuration I needed for apt-cacher-ng was to modify /etc/apt-cacher-ng/backends_ubuntu to contain "http://us.archive.ubuntu.com/ubuntu/".


    Regarding your edits to /etc/sources.list: You need not put a "host:port" on each line. Leave that file as is. Instead, edit (or create) /etc/apt/apt.conf and put this in it:
    Code:
    Acquire::http::Proxy "http://192.168.1.11:3142/";

  3. #3
    Join Date
    Feb 2010
    Location
    Silicon Valley
    Beans
    1,898
    Distro
    Xubuntu 12.04 Precise Pangolin

    Re: updating multiple computers on the network

    dup of previous post
    Last edited by gmargo; January 21st, 2011 at 04:41 PM. Reason: delete duplicate post

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