Installation/OS Specific Notes/Installing Amanda on Mac OS X

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Amanda has been tested on Mac OS X Panther (10.3), Tiger (10.4), Leopard (10.5) and Snow Leopard (10.6).

With Panther, the built-in tar does not record extended filesystem attributes (resource forks, finder flags, ACLs, and so on), so users who want to be able to restore those attributes will need to do some extra work (see below). Fortunately, Tiger's tar does support extended attributes, so an amanda installation will work "out of the box". See Mac OS X Extended Attributes Support for more information.

This page is summarized from writeups by Steven Karel and Dustin's work on Amanda.

Contents

General Setup

Prerequisites

Upcoming versions of Amanda (those incorporating the Device API) will require that glib2 version 2.2.0 or later be installed. Unfortunately, there is no ready-made package for this library. The easiest way to install it is to install MacPorts and then run 

sudo port install glib2

which will pull in the various dependencies of this library. If you want to install it manually, see [1] for instructions pertaining to The GIMP (you will need to install a newer version of glib -- at least 2.2.0 -- than mentioned on that page).

Set Up 'amandabackup' User

On 10.3 and 10.4

The following steps use 'niutil' to set up Amanda in the netinfo database, and then creae a home directory for the new user. 

sudo niutil -create / /users/amandabackup
sudo niutil -createprop / /users/amandabackup shell /bin/bash
sudo niutil -createprop / /users/amandabackup realname "Backup User"
sudo niutil -createprop / /users/amandabackup uid 5000
sudo niutil -createprop / /users/amandabackup gid 0
sudo niutil -createprop / /users/amandabackup home /Users/amandabackup
sudo ditto -rsrcFork '/System/Library/User Template/English.lproj/' /Users/amandabackup
sudo sh -c "echo 'amanda_server.example.com amandabackup' > /Users/amandabackup/.amandahosts"
sudo chown -R amandabackup:wheel /Users/amandabackup
sudo passwd amandabackup

Replace amanda_server.example.com in the above with the name of your amanda server. This file is used as a basic security check to control which hosts can access amandad on this client.

On 10.5+

On OS X 10.5 and greater, this has changed, as NetInfo no longer exists. 

sudo dscl localhost -create /Local/Default/Users/amandabackup
sudo dscl localhost -create /Local/Default/Users/amandabackup RecordName amandabackup
sudo dscl localhost -create /Local/Default/Users/amandabackup UserShell /bin/bash
sudo dscl localhost -create /Local/Default/Users/amandabackup RealName "Backup User" 
sudo dscl localhost -create /Local/Default/Users/amandabackup UniqueID 5000
sudo dscl localhost -create /Local/Default/Users/amandabackup PrimaryGroupID 0
sudo dscl localhost -append /Local/Default/Groups/admin GroupMembership amandabackup
sudo dscl localhost -create /Local/Default/Users/amandabackup NFSHomeDirectory /Users/amandabackup
sudo ditto -rsrcFork '/System/Library/User Template/English.lproj/' /Users/amandabackup
sudo sh -c "echo 'amandabackup_server.example.com amandabackup' > /Users/amandabackup/.amandahosts"
sudo chmod 600 /Users/amandabackup/.amandahosts
sudo chown -R amandabackup:wheel /Users/amandabackup
sudo passwd amandabackup

( The amandabackup user has to be added to group 80 too, since the group of the default installation of Amanda on Lepord is admin (80), but I couldn't figure out how to add the secondary group from command line. I used WGM. Or you can specify "--with-group=GROUP" when doing the configuration.)

Adding amandabackup to group 80 in the command line is handled with the -append line in the dscl commands above.Jose (2/5/2009)

System Tweaks

Add the following lines at the appropriate place in /etc/services (this isn't strictly necessary if you're not using kerberos security and the machine will only be an amanda client): 

kamanda         10081/tcp   # amanda backup services (Kerberos)
kamanda         10081/udp   # amanda backup services (Kerberos)
amandaidx       10082/tcp   # amanda backup services
amidxtape       10083/tcp   # amanda backup services

(On Leopard, 10081/tcp/udp have already been taken by famdc, which I don't know what it is. It says "FAM Archive Server" in the comment field.)

Compile Amanda

Download and untar Amanda, then run ./configure as follows: 

./configure --with-user=amandabackup --with-group=admin

You will want to examine ./configure --help first to see what other options are available. For example:

--with-bsdtcp-security
If you want to use bsdtcp authentication and are compiling from source code, you must specify the configure flag. If an authentication method is not specified, bsd is the default
--with-bsdudp-security
If you want to use bsdudp authentication and are compiling from source code, you must specify the configure flag. If an authentication method is not specified, bsd is the default
--without-server
just build the client components
--prefix
install somewhere other than /usr/local, etc.
--with-config
set the default configuration
--with-gnutar
give the path to GNU tar (especially useful on Panther; see below)
--without-xsltproc
don't build the manpages from XML (the XML parser is flaky)
--with-tmpdir=/private/tmp
you may not need this, but if you're worried, it certainly won't hurt.

This tutorial assumes that --prefix is left at the default, which installs everything (including configuration and state) under /usr/local. This helps to segregate amanda's information from files managed by Apple, and is probably best for end-user machines. If you will be actively working with the amanda configuration on these machines, you may want to consider:

--sysconfdir=/private/etc
store configuration in the usual place under /etc/amanda and /etc/amandates.
--localstatedir=/private/var
store state in the usual place under /var/amanda.

If you make these changes, you'll need to adjust the directories created in above.

If you're using MacPorts, and you haven't adjusted your PATH already, you may need to add /opt/local/bin: 

PATH="$PATH:/opt/local/bin"

otherwise configure will be unable to find pkg-config (for glib2 -- this doesn't apply if that package isn't required).

To compile and install, follow the usual 

make
sudo make install

Configuring Amanda Files and Directories 

# TODO: get paths right for no --prefix

Create Amanda system directories 

sudo mkdir -p /usr/local/var/amanda/gnutar-lists /usr/local/lib/amanda /usr/local/etc/amanda

Create Amanda system files 

sudo touch /usr/local/var/amanda/amandates
sudo touch /usr/local/etc/amanda/exclude.gtar

Make amandabackup owner of system directories and files 

sudo chown -R amandabackup:wheel /usr/local/var/amanda /usr/local/etc/amanda /usr/local/lib/amanda

Set permissions of directories and files 

sudo chmod -R o-wrw /usr/local/var/amanda /usr/local/etc/amanda /usr/local/lib/amanda

# NOTE: For server installations, copy the amanda-client.conf file from SRC_ROOT/example/amanda-client.conf to /usr/local/etc/amanda.
# Edit this file as needed.   Without it amrecover will be unable to connect to amindexd.

Version-Specific Notes

10.5+

Amanda on 10.5 and greater works with SSH, BSDTCP and BSDUDP authentication.

Amanda has been tested with the following systems and configurations: 

Client(2.6.0p2) has been tested on Leopard(10.5.5) with BSD authentication with success - 11/26/2008
Server(2.6.1) has been successfully tested on Leopard(10.5.6) - 2/5/2009, Jose Hales-Garcia
Client (2.6.1) has been successfully tested on Snow Leopard(10.6.1) - 11/19/2009, Jose Hales-Garcia

Verify that amandad is in /usr/local/libexec/amanda, if not, you'll need to edit these slightly to give the correct path to amandad. The first runs amandad with BSDTCP authentication; the second uses BSDUDP authentication. Select the correct one based on the authentication method that you compiled the Amanda client with on your Mac.

Copy one of the property lists (either BSDTCP or BSDUDP) to /Library/LaunchDaemons, and load it with 

sudo launchctl load -w /Library/LaunchDaemons/org.amanda.amandad.bsdtcp.plist
or
sudo launchctl load -w /Library/LaunchDaemons/org.amanda.amandad.bsdudp.plist


You should see the following output from netstat, depedning on which authentication protocol you're using: 

me@mac ~ $ netstat -na | grep 10080
tcp6       0      0  *.10080                *.*
tcp4       0      0  *.10080                *.*

or 

me@mac ~ $ netstat -na | grep 10080
udp6       0      0  *.10080                *.*
udp4       0      0  *.10080                *.*

BSDTCP 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Label</key>
	<string>org.amanda.amandad.bsdtcp</string>
	<key>UserName</key>
	<string>amandabackup</string>
	<key>GroupName</key>
	<string>wheel</string>
	<key>InitGroups</key>
	<true/>
	<key>ProgramArguments</key>
	<array>
		<string>/usr/local/libexec/amanda/amandad</string>
		<string>-auth=bsdtcp</string>
                <string>amdump</string>
                <string>amindexd</string>
                <string>amidxtaped</string>
	</array>
	<key>Sockets</key>
	<dict>
		<key>ipv4</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv4</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>stream</string>
		</dict>
		<key>ipv6</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv6</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>stream</string>
		</dict>
	</dict>
	<key>inetdCompatibility</key>
	<dict>
		<key>Wait</key>
		<false/>
	</dict>
</dict>
</plist>

BSDUDP 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>GroupName</key>
	<string>wheel</string>
	<key>InitGroups</key>
	<true/>
	<key>Label</key>
	<string>org.amanda.amandad.bsdudp</string>
	<key>ProgramArguments</key>
	<array>
		<string>/usr/local/libexec/amanda/amandad</string>
		<string>-auth=bsdudp</string>
                <string>amdump</string>
                <string>amindexd</string>
                <string>amidxtaped</string>
	</array>
	<key>Sockets</key>
	<dict>
		<key>ipv4</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv4</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>dgram</string>
		</dict>
		<key>ipv6</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv6</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>dgram</string>
		</dict>
	</dict>
	<key>UserName</key>
	<string>amandabackup</string>
	<key>inetdCompatibility</key>
	<dict>
		<key>Wait</key>
		<true/>
	</dict>
</dict>
</plist>

Note: The ProgramArguments lines (amdump, amindexd, and aminxtaped) are needed on the server in order to execute amrecover.

Tiger

To get amandad to run when packets from the server arrive, you'll need a launchd script. See Apple's Getting started with launchd for background on this system.

Steven Karel has supplied a handy property list here, on which this version is based. You'll need to edit these slightly to give the correct path to amandad. The first runs amandad with BSDTCP authentication; the second uses BSDUDP authentication. These files are in contrib/macosx. 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Label</key>
	<string>org.amanda.amandad.bsdtcp</string>
	<key>UserName</key>
	<string>amandabackup</string>
	<key>GroupName</key>
	<string>wheel</string>
	<key>InitGroups</key>
	<true/>
	<key>ProgramArguments</key>
	<array>
		<string>/usr/local/libexec/amandad</string>
		<string>-auth=bsdtcp</string>
	</array>
	<key>Sockets</key>
	<dict>
		<key>ipv4</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv4</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>stream</string>
		</dict>
		<key>ipv6</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv6</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>stream</string>
		</dict>
	</dict>
	<key>inetdCompatibility</key>
	<dict>
		<key>Wait</key>
		<false/>
	</dict>
</dict>
</plist>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>GroupName</key>
	<string>wheel</string>
	<key>InitGroups</key>
	<true/>
	<key>Label</key>
	<string>org.amanda.amandad.bsdudp</string>
	<key>ProgramArguments</key>
	<array>
		<string>/usr/local/libexec/amandad</string>
		<string>-auth=bsdudp</string>
	</array>
	<key>Sockets</key>
	<dict>
		<key>ipv4</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv4</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>dgram</string>
		</dict>
		<key>ipv6</key>
		<dict>
			<key>SockFamily</key>
			<string>IPv6</string>
			<key>SockServiceName</key>
			<string>amanda</string>
			<key>SockType</key>
			<string>dgram</string>
		</dict>
	</dict>
	<key>UserName</key>
	<string>amandabackup</string>
	<key>inetdCompatibility</key>
	<dict>
		<key>Wait</key>
		<true/>
	</dict>
</dict>
</plist>

Copy one or both of the property lists to /Library/LaunchDaemons, and load them with 

sudo launchctl load -w /Library/LaunchDaemons/org.amanda.amandad.bsdudp.plist

You should see the following output from netstat: 

me@mac ~ $ netstat -na | grep 10080
udp6       0      0  *.10080                *.*
udp4       0      0  *.10080                *.*

(or tcp6/4 for BSDTCP).

Panther

A user reports that for some versions of Mac OS X you may need to increase the UDP packetsize, as explained in UDP packet too large.

To support extended attributes on Panther,

  1. install either xtar or, if that doesn't work, hfstar
  2. compile Amanda, with the addition of the --with-gnutar=/path/to/new/tar flag to ./configure, giving the location of the new tar

To run amandad on Panther, you need to install an xinetd configuration snippet; create /etc/xinet.d/amanda with the following contents: 

service amanda
{
        socket_type             = dgram
        protocol                = udp
        wait                    = yes
        user                    = amandabackup
        server                  = /usr/local/libexec/amandad
        server_args             = amandad
        groups                  = yes
        disable                 = no
}

(where server is the path at which you've installed amandad)

To start the service in xinetd: 

service amanda start

If you have trouble, you may want to check that xinetd is running on the machine.

Links

Complete set-up for OS X Snow Leopard 10.6.2 on 2010-01-08

This is a transcription of the commands that I used to install Amanda Client on Mac OS X 10.6.2 (Snow Leopard) on 8 Jan 2010. This was installed without using any package manager. Note that some of the specifics may need to be modified for your computer (such as the index server), and there may be more recent versions of some of the packages available. However, I have verified that this installation does work.

I'm posting this because I think it's useful to see all of the steps needed. Thanks to http://letsneverdie.net/blog/?p=75 , although that page doesn't get the glib install correct (which is why they patch the source).

Create a working directory

We're going to download a bunch of files, and it will be easier to keep track of things if we have a place to work from. 

        mycomputer:~ me$ cd Downloads
        mycomputer:Downloads me$ mkdir amanda
        mycomputer:Downloads me$ cd amanda

Download prerequisites

The following libraries are needed to install Amanda. They install by default into /usr/local.

pkg-config

Download and install pkg-config. I'm not actually certain that this is required, however the instructions I was following for the install of glib installed this. 

        mycomputer:amanda me$ wget http://pkgconfig.freedesktop.org/releases/pkg-config-0.23.tar.gz
        mycomputer:amanda me$ tar xzf pkg-config-0.23.tar.gz
        mycomputer:amanda me$ rm pkg-config-0.23.tar.gz 

        mycomputer:amanda me$ cd pkg-config-0.23
        mycomputer:pkg-config-0.23 me$ ./configure
        mycomputer:pkg-config-0.23 me$ make
        mycomputer:pkg-config-0.23 me$ sudo make install
        mycomputer:pkg-config-0.23 me$ cd ..

gettext

Download and install gettext. 

        mycomputer:amanda me$ wget http://ftp.gnu.org/pub/gnu/gettext/gettext-0.17.tar.gz
        mycomputer:amanda me$ tar xzf gettext-0.17.tar.gz
        mycomputer:amanda me$ rm gettext-0.17.tar.gz

        mycomputer:amanda me$ cd gettext-0.17
        mycomputer:gettext-0.17 me$ ./configure
        mycomputer:gettext-0.17 me$ make
        mycomputer:gettext-0.17 me$ sudo make install
        mycomputer:gettext-0.17 me$ cd ..

libiconv

Download and install libiconv 

        mycomputer:amanda me$ wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.13.1.tar.gz
        mycomputer:amanda me$ tar xzf libiconv-1.13.1.tar.gz
        mycomputer:amanda me$ rm libiconv-1.13.1.tar.gz
        
        mycomputer:amanda me$ cd libiconv-1.13.1/
        mycomputer:libiconv-1.13.1 me$ ./configure
        mycomputer:libiconv-1.13.1 me$ make
        mycomputer:libiconv-1.13.1 me$ sudo make install
        mycomputer:libiconv-1.13.1 me$ cd ..

re-compile gettext

Apparently, gettext and libiconv have recursive dependencies. So we now need to re-compile and install gettext. 

        mycomputer:amanda me$ cd gettext-0.17
        mycomputer:gettext-0.17 me$ make distclean
        mycomputer:gettext-0.17 me$ ./configure
        mycomputer:gettext-0.17 me$ make
        mycomputer:gettext-0.17 me$ sudo make install
        mycomputer:gettext-0.17 me$ cd ..

glib

Download and install glib. We need to pass LDFLAGS and CPPFLAGS in order to make it link against our compiled version of libiconv. Otherwise, it tries to link to the version provided by Apple, which has some issues. (These issues may only show up on 64-bit computers; if you have a 32-bit computer, you can try skipping all of the other prerequisites and just installing glib without any parameters to ./configure.) 

        mycomputer:amanda me$ wget ftp://ftp.gtk.org/pub/glib/2.23/glib-2.23.1.tar.bz2
        mycomputer:amanda me$ tar xjf glib-2.23.1.tar.bz2
        mycomputer:amanda me$ rm glib-2.23.1.tar.bz2 

        mycomputer:amanda me$ cd glib-2.23.1
        mycomputer:glib-2.23.1 me$ ./configure LDFLAGS="-L/usr/local/lib" CPPFLAGS="-I/usr/local/include"
        mycomputer:glib-2.23.1 me$ make
        mycomputer:glib-2.23.1 me$ sudo make install
        mycomputer:glib-2.23.1 me$ cd ..

Create the amanda user

This creates a shell script that will run all of the steps shown above to create the amanda user. 

        mycomputer:amanda me$ cat <<EOSH >create_amanda_user.sh
        #!/bin/bash
        
        echo "First password prompt is for sudo"
        
        # create the user
        sudo dscl localhost -create /Local/Default/Users/amanda
        sudo dscl localhost -create /Local/Default/Users/amanda RecordName amanda
        sudo dscl localhost -create /Local/Default/Users/amanda UserShell /bin/bash
        sudo dscl localhost -create /Local/Default/Users/amanda RealName "Amanda backup user" 
        sudo dscl localhost -create /Local/Default/Users/amanda UniqueID 5000
        sudo dscl localhost -create /Local/Default/Users/amanda PrimaryGroupID 0
        sudo dscl localhost -append /Local/Default/Groups/admin GroupMembership amanda
        sudo dscl localhost -create /Local/Default/Users/amanda NFSHomeDirectory /Users/amanda
        
        echo "Next passwords are for passwd"
        sudo passwd amanda
        
        # create the users home directory
        sudo ditto -rsrcFork '/System/Library/User Template/English.lproj/' /Users/amanda
        sudo chown -R amanda:wheel /Users/amanda
        
        # set up the .amandahosts file
        sudo sh -c "echo 'indexserver.your.domain indexserveramandauser' > /Users/amanda/.amandahosts"
        sudo chown amanda:wheel /Users/amanda/.amandahosts
        sudo chmod 600 /Users/amanda/.amandahosts
        EOSH

        mycomputer:amanda me$ chmod +x create_amanda_user.sh
        mycomputer:amanda me$ ./create_amanda_user.sh

Install amanda

Download and install amanda. You should, of course, modify the parameters passed to ./configure as needed. 

        mycomputer:amanda me$ wget http://downloads.sourceforge.net/project/amanda/amanda%20-%20stable/2.6.1p2/amanda-2.6.1p2.tar.gz?use_mirror=hivelocity
        mycomputer:amanda me$ tar xzf amanda-2.6.1p2.tar.gz
        mycomputer:amanda me$ rm amanda-2.6.1p2.tar.gz
        
        mycomputer:amanda me$ cd amanda-2.6.1p2
        mycomputer:amanda-2.6.1p2 me$ ./configure \
            --prefix=/Users/amanda/amanda \
            --with-user=amanda \
            --with-group=admin \
            --with-bsdtcp-security \
            --without-server \
            --disable-s3-device \
            --without-restore \
            --with-config=daily \
            --with-index-server=indexserver.your.domain
        mycomputer:amanda-2.6.1p2 me$ make
        mycomputer:amanda-2.6.1p2 me$ sudo make install
        mycomputer:amanda-2.6.1p2 me$ cd ..

Create various paths needed by amanda 

        mycomputer:amanda me$ cd /Users/amanda/amanda
        mycomputer:amanda me$ sudo mkdir -p var/amanda/gnutar-lists etc/amanda
        mycomputer:amanda me$ sudo touch var/amanda/amandates
        mycomputer:amanda me$ sudo chown -R amanda:wheel var/amanda etc/amanda
        mycomputer:amanda me$ sudo chmod -R o-rwx var/amanda etc/amanda

Set up launchd

On Mac OS X, instead of inetd, we use launchd. The following is a small modification of the version above. 

        mycomputer:amanda me$ cd
        mycomputer:~ me$ cat <<EOLD >org.amanda.amandad.bsdtcp.plist
        <?xml version="1.0" encoding="UTF-8"?>
        <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
        <plist version="1.0">
        <dict>
            <key>Label</key>
            <string>org.amanda.amandad.bsdtcp</string>
            <key>UserName</key>
            <string>amanda</string>
            <key>GroupName</key>
            <string>wheel</string>
            <key>InitGroups</key>
            <true/>
            <key>ProgramArguments</key>
            <array>
                <string>/Users/amanda/amanda/libexec/amanda/amandad</string>
                <string>-auth=bsdtcp</string>
            </array>
            <key>Sockets</key>
            <dict>
                <key>ipv4</key>
                <dict>
                    <key>SockFamily</key>
                    <string>IPv4</string>
                    <key>SockServiceName</key>
                    <string>amanda</string>
                    <key>SockType</key>
                    <string>stream</string>
                </dict>
                <key>ipv6</key>
                <dict>
                    <key>SockFamily</key>
                    <string>IPv6</string>
                    <key>SockServiceName</key>
                    <string>amanda</string>
                    <key>SockType</key>
                    <string>stream</string>
                </dict>
            </dict>
            <key>inetdCompatibility</key>
            <dict>
                <key>Wait</key>
                <false/>
            </dict>
        </dict>
        </plist>
        EOLD
        
        mycomputer:~ me$ sudo chown root:wheel org.amanda.amandad.bsdtcp.plist
        mycomputer:~ me$ sudo chmod 644 org.amanda.amandad.bsdtcp.plist
        mycomputer:~ me$ sudo mv org.amanda.amandad.bsdtcp.plist /Library/LaunchDaemons/org.amanda.amandad.bsdtcp.plist
        mycomputer:~ me$ sudo launchctl load -w /Library/LaunchDaemons/org.amanda.amandad.bsdtcp.plist

verify that the amanda server sees no problems

The first time I ran amcheck on the server, it reported no problems, so if any show up, I'm not sure what to suggest... 

        mycomputer:amanda me$ ssh me@indexserver.your.domain
        [me@hedwig ~]$ sudo -u indexserveramandauser -i
        [indexserveramandauser@hedwig ~]$ amcheck -c daily

Done

I hope that this helps!

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