Using Debian Linux Software Packages and APT dselect and dpkg Package Utilities. Using Debian Linux Packages. Packages are software. A package can be a workstation type program mozilla Web browser, gimp graphics editor, etc., a server type program Apache Web server, Sendmail e mail server, etc., a utility apcupsd for APC UPSs, taper backup utility, programming libraries, or OS components GUIs, language modules, even kernel patches. You can download and install software which isnt packaged. Its just that when software is put into a package it makes it easier to install because programs are already compiled binary, directories are created if necessary, and all files binary executables, text configuration files, man pages, etc. Some packages even have configuration scripts that are run near the end of the package installation to help you initially configure the software. A package manager is used to search for, install, remove, etc. Red Hats package manager uses. Debians package manager uses. As you will see below, a package manager isnt always a single program but several utilities used to perform the various package related functions search, install, etc. Note  The software in one package may need software from another package to work properly. One of the best things about Debians package architecture is automatic dependency resolution, i. Puppetshow Return To Joyville Collectors Edition. It may also remove other packages that could cause conflicts. This is why the number of installed packages may be greater than the number of packages you select to install. If youve ever tried installing packages using Red Hat Package Manager RPM youve likely found it a frustrating experience due to the failed dependencies errors commonly encountered when trying to install an RPM package. This is because Red Hats package manager doesnt automatically take care of dependencies like Debians package manager does. Working with packages in Debian uses three main utilities. Advanced Package Tool the main package manager on Debian systems used for retrievinginstalling, removing, or searching for packages. You may recall being prompted to insert all the discs during the installation so that they could be scanned for available packages. This scan process builds a library of available on the discs packages which is used by these package utilities. When you install or remove a package this library is referenced and updated. The library tells the system what packages are available but not where theyre available from. FreeNX Server and Client Configuration in Debian from source debian packages,What is FreeNX,Download FreeNX,FreeNX FAQ, FreeNX Howtos,Download freenx Client. How to install Linux software programs using Debian Linux package management tools. Debian is an operating system and a distribution of Free Software. It is maintained and updated through the work of many users who volunteer their time and effort. How to Install Debian. Debian is an operating system based on the GNULinux build. The Debian operating system, like most other Linux distributions, is free and open. For that we have the etcaptsources. These locations include the DVDs you inventoried scanned during the installation routine and also has entries for various Internet servers from which you can retreive updates. NOTE  By default the sources. Internet server for updating our package library with version information. However, since we installed Debian using DVDs we dot want that version information updated yet. GIMP for Windows. Download GIMP 2. 8. BitTorrent Download GIMP 2. The download links above will attempt to download GIMP from one of. Installation. If your system does not provide binary packages or you want to install a newer version, the best way is to get the pip package management tool or use a. QuickSetup and QuickStart OpenVAS5 Packages. OpenVAS4 Download and QuickSetup for OpenVAS4 Packages. These guides help to get OpenVAS5 quickly set up and started. Installing ErlangOTP. RabbitMQ needs ErlangOTP to run. ErlangOTP packages in standard Debian and Ubuntu also can be quite outdated. This tutorial will show you how to install VirtualBox guest additions in a Debian 9 virtual machine to enable resizeable display, shared folder etc. We show you how to properly update and upgrade packages on the Security page. We have to comment out this default statement to temporarily disable the use of the Internet server. Open the sources. Look further down the file for the line that starts out with. If theres a similar line below it that starts out withdeb srcyou can comment that one out too. Exit the text editor and save the changes by pressing Ctrl X, y, and then Enter. Now lets sync our package library database with updated sources file with the command. A complete list of the current stable Debian packages including free and non free can be found at. For example, apt has a search utility where you can search for software by its given name such as apache or you can search for all available packages containing software offering specific functionality such as sniffer, dns, etc. Because Debian comes with so many packages, its often a good idea to just browse through all of the available packages to see what software you can install and play around with. To get a full listing of packages and their installation status we use dselect. As mentioned, dselect is more of a front end, user interface tool because when you select a menu item in dselect you are simply running one of the apt or dpkg utilities with a specific set of command line switches. Although useful for browsing all available packages, dselect will not be your primary package management tool. You can search for, and install, packages much faster using the apt utilities. Install Windows Software On Debian Packages' title='Install Windows Software On Debian Packages' />However, we wanted to show you how to use dselect because half the fun of playing around with Debian is playing around with some of the tens of thousands of packages that comes with it. There are two different modes that you can use when retreiving packages. One is Access mode where additional. Update mode is where no new packages are retreived but any updates to existing packages newer versions of whats already in your library are etreived. You may see a few errors about UDF fs but you can disregard those. They typically apply to the type of media used for manually burned DVDs. If the version of Debian youre using installed it automatically youll see a message saying its already installed. To use dselect. Type in dselect at the shell prompt and the menu screen will be displayed. The possible selections are. Access highlighting this and pressing Enter will allow you to select apt as the method for accessing the packages. When you select apt and press Enter it will display your current sources. No is the default so just press Enter again. Update ALWAYS run this selection every time you run dselect. Select pressing Enter with this selection highlighted will display a help screen. Press q to clear it. This is the main guts of the program. Its displaying the package library database. It can look very confusing the first time you use it but its really not all that bad. Notice on the second line from the top of the screen youll see EIOM on the left. They stand for. Error Installed Old. Mark New. Mark. Currently Installed packages are listed first with three asterisks in front of them which indicate. Error column is good. Installed state indicates that it is installed. Old. Mark column means it was requested for install. OK to upgrade this package. With all of the already installed packages youll have to hold down the down arrow key for quite awhile to get to Available packages section where, instead of seeing asterisks youll have underscore marks like this. Note that this is two underscores in columns 3 and 4 Old. Mark and New. Mark columns. On the left end of this line there is actually two blank spaces in columns 1 and 2 before the two underscore characters. Error column is good. Installed State column indicates its not installed. Old. Mark column indicates that the package is not installed. New. Mark column indicates that nothing has changed in the selection status of the package. Note that the first time you look at this list the third Old. Mark column may have an n in it. This indicates its a New package because you just ran the Update step. The next time you view the list it will be an underscore character. If you would like to see a more explanatory presentation of this information, simply press the v key repeatedly to toggle the Verbose display mode on and off. In addition, you can press the In the help menu, pressing the l lower case L key will display a screen explaining all of the code letters. Press q to get out of help.