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tutorial - Transferring audio/video to iPod on OpenSuSe

gtkpod is a Graphical User Interface (GUI) for Apple's iPod. It supports the first to fifth iPod generations including the iPod mini, iPod Photo, iPod Shuffle, iPod nano, and iPod Video.

It allows you to import your existing iTunes database, add songs, podcasts, videos and cover art, and to edit ID3 tags.

The latest version has added a raft of new features including: preliminary support gapless playback for MP3 files, multi-threaded on-the fly conversion of WAV, FLAC and OGG files to formats the iPod understands, background-copying of tracks to the iPod, display of album art, and the downloading of album art.

Features include:
    * Remove and export tracks from the iPod
    * Import and export Visio VDX files
    * Read an existing iTunesDB ( import the existing contents of an iPod including playcounts, ratings and on-the-go playlists)
    * Write the updated iTunesDB and added songs to the iPod
    * Add MP3, WAV, M4A (non-protected AAC), M4B (audio book), podcasts, and various video files (single files, directories or existing playlists) to the iPod
    * Normalize the volume of tracks (uses mp3gain or the replay-gain tag)
    * Create and modify playlists, including smart playlists
    * View, add and modify Cover Art
    * Browse the contents of a local harddisk by album/artist/genre by adding all your songs to the 'local' database
    * Extract tag information (artist, album, title...) from the filename
    * Detect duplicates when adding songs (optional)
    * Modify & refresh ID3 tags
    * Synchronize directories
    * Work offline and synchronize new playlists / songs with the iPod at a later time.
    * Export korganizer, kaddressbook, Thunderbird, evocalendar, Evolution etc data to the iPod
    * Choose the character set the ID3 tags are encoded in from within gtkpod

Installation: Use "1-click" installer to install gtkpod
OpenSuSe 11.1 - here
OpenSuSe 11.0 - here

After successful installation go to Start >> Application >> Multimedia >> Administration and launch gtkpod application

Now after connecting ipod launch gtkpod and you will find you ipod listed in the leftmost pane of the application.

Now to add audio/video to your ipod just drag the respective file/folder into ipod's playlist and press the save changes button and the files should be loaded properly in the ipod.

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source:http://linuxpoison.blogspot.com/2009/05/13578175713369.html

tutorial - How to set Access/Restrictions on users logins

Time Based Restrictions
These examples will limit the login times of certain users. See /etc/security/time.conf for more information/examples. In order to place time restrictions on user logins, the following must be placed in /etc/pam.d/login:

account    required    /lib/security/pam_time.so

The remaining lines should be placed in /etc/security/time.conf.

1. Only allow user nikesh to login during on weekdays between 7 am and 5 pm.

      login;*;nikesh;Wd0700-1700

2. Allow users A & B to login on all days between 8 am and 5 pm except for Sunday.

      login;*;A|B;AlSu0800-1700

If a day is specified more than once, it is unset. So in the above example, Sunday is specified twice (Al = All days, Su = Sunday). This causes it to be unset, so this rule applies to all days except Sunday.

Access Based Restrictions
/etc/security/access.conf can be used to restrict access by terminal or host. The following must be placed in /etc/pam.d/login in order for these examples to work:

account    required   /lib/security/pam_access.so

1. Deny nikesh login access on all terminals except for tty1:

      -:nikesh:ALL EXCEPT tty1

2. Users in the group operator are only allowed to login from a local terminal:

      -:operator:ALL EXCEPT LOCAL

3. Allow user A to only login from a trusted server:

      -:A:ALL EXCEPT trusted.somedomain.com

source:http://linuxpoison.blogspot.com/2009/05/135781757111023.html

tutorial - How to allow access to the mail server by individual domains - Sendmail

The access database (normally in /etc/mail/access) allows a mail administrator to administratively allow access to the mail server by individual domains. Each database entry consists of a domain name or network number as the key and an action as the value.

Keys can be a fully or partly qualified host or domain name such as host.subdomain.domain.com, subdomain.domain.com, or domain.com. The last two forms match any host or subdomain under the specified domain.

Keys can also be a network address or subnetwork, e.g., 205.199.2.250, 205.199.2, or 205.199. The latter two forms match any host in the indicated subnetwork. Lastly, keys can be user@host.domain to reject mail from a specific user.

Values can be REJECT to refuse connections from this host, DISCARD to accept the message but silently discard it (the sender will think it has been accepted), OK to allow access (overriding other built-in checks), RELAY to allow access including relaying SMTP through your machine, or an arbitrary message to reject the mail with the customized message.

For example, a database might contain:
abc.com REJECT

sendmail.org RELAY

spam@buyme.com 550 Spammer

to reject all mail from any host in the abc.com domain, allow any relaying to or from any host in the sendmail.org domain, and reject mail from spam@buyme.com with a specific message.

Note that the access database is a map and just as with all maps, the database must be generated using makemap. For example: makemap hash /etc/mail/access < /etc/mail/access

source:http://linuxpoison.blogspot.com/2009/05/13578175717540.html