[debian-edu-commits] [Debian Wiki] Update of "DebianEdu/GetACopy" by WolfgangSchweer

Thu Mar 14 12:03:45 GMT 2019

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The "DebianEdu/GetACopy" page has been changed by WolfgangSchweer:
https://wiki.debian.org/DebianEdu/GetACopy?action=diff&rev1=14&rev2=15

Comment:
major content rework

  <<TableOfContents(5)>>
  
- = Get a stable copy for a PRODUCTION ENVIRONMENT =
+ = Get a copy for a Production Environment =
  
  == From the Internet ==
- Probably for most people interested about getting a copy of DebianEdu / Skolelinux the fastest way will be to download it from the Internet and burn it to a cd, dvd or usb memory stick. Images are large so if you have a slow connection, consider using a download manager. They typically enable you to pause and recommence the download at convenient times and to resume a download that was interrupted.<<BR>><<BR>>
+ Probably for most people interested about getting a copy of DebianEdu / Skolelinux the fastest way will be to download it from the Internet and copy it to a USB stick (or burn it to a CD or DVD). Images are large so if you have a slow connection, consider using a download manager. They typically enable you to pause and recommence the download at convenient times and to resume a download that was interrupted.
  
  === Step 1: Choose an ISO ===
- First of all, you need to know under which formats the isos are distributed. There are different options that vary in size and have a few differences between them, so lets clear any doubt before you start downloading anything.<<BR>>
+ First of all, you need to know under which formats the ISOs are distributed. There are different options that vary in size and have a few differences between them, so lets clear any doubt before you start downloading anything.
+ 
  ==== What is a net install CD? ====
- It fits a regular CD so this iso is the one that will download faster. It will fetch some packages from the CD and the rest from the Internet so, when installing you will need a connection. Additionally it allows you to choose between many graphical environments during the installation process (see DebianEdu/FirstInstallation page for a detailed explanation)<<BR>>
+ It fits a regular CD so this ISO is the one that will download faster. It will fetch some packages from the CD and the rest from the Internet, so when nstalling you will need a connection.
+ 
- ==== What is an USB stick image? ====
+ ==== What is a USB stick image? ====
+ It takes more than 5 GB, so it will fit only on large USB memory sticks or double layer DVDs. This ISO will take longer to download as it is a full offline installation medium that can be used without requiring an Internet connection.<<BR>>
+ 
+ /!\ If you plan to administrate a Debian Edu network it is strongly encouraged that you keep such a copy near you. Repositories are reliable and will almost never fail but even though, if you are responsible about maintaining a system up and running this can be a real life saver when worst situations arise.
- It takes more than 4.4 GB, so it will fit only on large usb memory sticks or double layer dvd's. This iso will take longer to download as it is a full offline installation than can be installed without requiring an Internet connection. Eventually it only ships with kde graphical desktop, so different graphical desktops will need to be installed after installation.<<BR>>
- '''BEWARE!!!''' if you plan to administrate a DebianEdu network it is '''STRONGLY ENCOURAGED''' that you keep a dvd burned copy near you. Repositories are reliable and will almost never fail but even though, if you are responsible about maintaining a system up and running this can be a real life saver when worst situations arise.<<BR>>
- ==== What is a source DVD? ====
- This iso contains any source code from any present software in the distribution. It is intended for developing purposes and is valuable if you want to adapt any software to your particular and specific needs.<<BR>><<BR>>
  
  === Step 2: Download an ISO ===
+ See the [[DebianEdu/Status/Stretch|Stretch status page]] for up-to-date information.
- Now you know the what, lets see where to find it and how to download it.<<BR>><<BR>>
- ==== From Skolelinux server via http ====
- The current '''stable version''' of DebianEdu / Skolelinux for production on any of its forms can be downloaded at:<<BR>>
- [[http://ftp.skolelinux.org/skolelinux-cd/]]
- <<BR>><<BR>><<BR>>
  
- ==== Via rsync ====
- If you already have a version of Skolelinux and want to download the latest one, you can and should use rsync because it finds what chunks of the file have been modified and only downloads those. For that reason, it's faster and helps us saving bandwidth.
- Run the following command on a terminal to update your ISO-image, where filename.iso is the name of the existing file on your disk:
+ === Step 3: Verify checksums ===
+ When downloading software from the Internet it is essential to verify its checksums, specially when talking about a distribution. It is relatively common to download a corrupted image that once burned will not work or fail during install. That may occur because of undetected transmission errors when getting it from source server.<<BR>>
+ At worst case, it would be possible for a malware creator to inject a free piece of software with his own hidden code and distribute through Internet to unaware individuals that could install it resulting on a potential security breach. This problem can be solved by creating and verifying checksums and fortunately '''this procedure makes it almost impossible to adulterate software, but even though technically not impossible'''.
  
+ /!\ No matter where you download the ISO, you should always verify checksums from the official distributor. In the case of Debian Edu, ONLY trust the checksums presented at http://ftp.skolelinux.no/skolelinux-cd/ or via https://www.debian.org/CD/http-ftp/.
- net install ISO<<BR>>
- {{{rsync -avzP rsync://ftp.skolelinux.org/skolelinux-cd/debian-edu-7.1+edu0-CD.iso}}}
- 
- USB ISO<<BR>>
- {{{rsync -avzP rsync://ftp.skolelinux.org/skolelinux-cd/debian-edu-7.1+edu0-USB.iso}}}
- 
- source code ISO<<BR>>
- {{{rsync -avzP rsync://ftp.skolelinux.org/skolelinux-cd/debian-edu-7.1+edu0-source-USB.iso}}}
- <<BR>><<BR>><<BR>>
- 
- ==== From a mirror ====
- If you are having problems accessing the main site, you can check the following mirrors:
-   * RWTH Aachen University, Germany
-     * FTP: ftp://ftp.halifax.rwth-aachen.de/skolelinux/skolelinux-cd/
-     * HTTP: http://ftp.halifax.rwth-aachen.de/skolelinux/skolelinux-cd/
-     * rsync://ftp.halifax.rwth-aachen.de/skolelinux/
- <<BR>>
- 
- === Step 3: ¡IMPORTANT! Verify checksums ===
- When downloading software from the Internet it is essential to verify its checksums, specially when talking about a distribution. It is relatively common to download a corrupted image that once burned will not work or fail during install. That may occur because of undetected transmission errors when getting it from source server.<<BR>>
- At worst case, it would be possible for a malware creator to inject a free piece of software with his own hidden code and distribute through Internet to unaware individuals that could install it resulting on a potential security breach. This problem can be solved by creating and verifying checksums and fortunately '''this procedure makes it almost impossible to adulterate software, but even thought technically not impossible'''
- 
- '''WARNING''' No matter where you download the iso, you should always verify checksums from the official distributor. In the case of Skolelinux, ONLY trust the checksums presented at http://www.skolelinux.org/downloads
  
  
  ==== Using Windows ====
@@ -59, +34 @@

  
  ==== Using Linux ====
  On most major Linux distributions you will only need to open a terminal and write:<<BR>>
- ''sha1sum /path/to/where/the/iso/has/been/stored''
+ ''sha256sum /path/to/where/the/iso/has/been/stored''
  
- It will generate a 40 numbers and character string. Compare the string you get at the terminal with the one present at: http://www.skolelinux.org/downloads
+ It will generate a numbers and character string. Compare the string you get at the terminal with the one present at: http://ftp.skolelinux.no/skolelinux-cd/ or via https://www.debian.org/CD/http-ftp/.
  
  If they equal, then everything is ok and you proceed to burn.
  If not, just download it again.
  If they still do not coincide, you should warn the maintainer of the site where you got it.
- <<BR>><<BR>>
  
+ === Step 4: Burn/Copy an ISO ===
  
+ ==== To a CD/DVD ====
  
- === Step 4: Burn an ISO ===
- ==== To a CD/DVD ====
  ===== Using Windows =====
  follow this tutorial<<BR>>
  https://www.youtube.com/watch?v=lizhzDX7-AI
@@ -84, +58 @@

  follow this tutorial<<BR>>
  https://www.youtube.com/watch?v=Tskf21y3_kk
  
- ==== To a USB ====
+ ==== To a USB device ====
+ 
  ===== Using Linux =====
- Installation using USB flash drives instead of CD / Blue-ray discs
+ Installation using USB flash drives instead of CD / Blu-ray discs
- Since the Squeeze release it is possible to directly copy the CD/DVD/BD .iso images to a USB flash drive (also known as "USB sticks") and boot from them. Simply execute a command like this, just adapting the file and device names to your needs:
+ Since the Squeeze release it is possible to directly copy the CD/DVD/BD .iso images to a USB flash drive (also known as USB sticks) and boot from them. Simply execute a command like this, just adapting the file and device names to your needs:
  
- sudo dd if=debian-edu-amd64-i386-XXX.iso of=/dev/sdX bs=1024
+  . sudo dd if=debian-edu-amd64-i386-XXX.iso of=/dev/sdX bs=1024
  
  Depending on which image you choose, the USB flash drive will behave just like a CD or Blue-ray disc. Do not use Unetbootin or similar programs.
- <<BR>><<BR>><<BR>>
- 
  
  == Order CD from a vendor ==
   
@@ -107, +80 @@

  Remember to include the address you want the CD sent to in the email.
  }}}
  
+ = Get a copy for a Test Environment  =
+ See the [[DebianEdu/Status/Buster|Buster status page]] for up-to-date information about the next release.
  
+ You can help us by testing images on a spare PC or in a [[DebianEdu/HowTo/TestCDinstall|virtual setup]]. Any help is appreciated. :)
- = Get an unstable copy for TESTING ENVIRONMENT =
- We are always working on what will become our next stable release. To be able to test these images we build new images several times a day (if any of our developers changes any of the content). You can help us by testing images on a spare PC or in a [[DebianEdu/HowTo/TestCDinstall|virtual setup]]. Any help is appreciated. :)
  Please note that these images are intended '''for testing only'''. Do not use these for production unless you know what you are doing! 
  
- Take a look at the appropriate folders at:<<BR>>
- http://ftp.skolelinux.org/
- 

