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English type: delimited block -
echo "Download Checksum: $download_checksum"
echo "Expected Checksum: $expected_checksum"
if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
}
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Read more about Fedora Workstation, Fedora Cloud, Fedora Server and the available media types in _Downloading Fedora_.
Více o Fedora Workstation, Fedora Cloud, Fedora Server a dostupných typech nosičů si přečtěte ve _Stažení Fedory_.
You can also choose a Fedora _Spin_ featuring favorite alternative desktops or tools for specialized tasks at link:++https://spins.fedoraproject.org++[].
Lze si rovněž vybrat Fedora _Spin_, který obsahuje oblíbené alternativy prostředí pracovní plochy (desktop) nebo nástroje pro specializované úlohy viz odkaz:++https://spins.fedoraproject.org++[].
Verifying the Downloaded Image
Ověření staženého obrazu
Because transmission errors or other problems may corrupt the Fedora image you have downloaded, it is important to verify the file's integrity. After the images are created, an operation is performed on the file that produces a value called a `checksum` using a complex mathematical algorithm. The operation is sufficiently complex that *any change* to the original file will produce a different checksum.
Jelikož přenosové chyby nebo jiné problémy mohou poškodit obraz Fedory, který jste stáhli, je důležité ověřit jeho neporušenost. Poté, kdy jsou obrazy vytvořeny, je na nich provedena operace složitého matematického algoritmu, jejímž výsledkem je hodnota nazývaná `kontrolní součet` (checksum). Operace je natolik dostatečně složitá, že *kterákoliv změna* původního souboru vyústí v odlišný kontrolní součet.
By calculating the image's `checksum` on your own computer and comparing it to the original `checksum`, you can verify the image has not been tampered with or corrupted. The original checksum values are provided at link:++https://fedoraproject.org/security/++[], and are [command]#gpg# signed to demonstrate their integrity.
Výpočtem `kontrolního součtu` obrazu na vašem počítači a porovnáním jeho hodnoty s původním `kontrolním součtem` si lze ověřit, že obraz nebyl záměrně změněn či jinak poškozen. Původní hodnoty kontrolního součtu jsou k dispozici na link:++https://fedoraproject.org/security/++[] a pro jejich neporušenost jsou podepsány [command]#gpg#.
Verifying checksums on Windows systems
Ověření kontrolního součtu na systémech Windows
Download the Fedora image of your choice from link:++https://fedoraproject.org/++[] and the corresponding checksum file from link:++https://fedoraproject.org/security/++[]
Stáhněte si obraz Fedory vaší volby z link:++https://fedoraproject.org/++[] a příslušný soubor kontrolního součtu z link:++https://fedoraproject.org/security/++[]
Open a [command]#powershell# session.
Otevřete sezení [command]#powershell#.
Change to the directory containing the downloaded files.
Přejděte do adresáře obsahujícího stažené soubory.
> cd $HOME\Downloads\
> ls
> cd $HOME\Stažené\
> ls
Directory: C:\Users\Pete\Downloads
Adresář: C:\Users\Pete\Downloads
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 11/25/2014 12:39 PM 272 Fedora-Server-21-x86_64-CHECKSUM
-a--- 11/25/2014 12:39 PM 2047868928 Fedora-Server-DVD-x86_64-21.iso
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 11/25/2014 12:39 PM 272 Fedora-Server-21-x86_64-CHECKSUM
-a--- 11/25/2014 12:39 PM 2047868928 Fedora-Server-DVD-x86_64-21.iso
Paste the following function to powershell for calculating and comparing checksums.
Vložte následující funkci pro výpočet a porovnání kontrolních součtů do powershellu.
function Get-ImageVerification(){
param(
[Parameter(Mandatory=$true, Position=0)]
[string]$ImageFilePath,
[Parameter(Mandatory=$true, Position=1)]
[string]$ChecksumFilePath
)
function Get-ImageVerification(){
param(
[Parameter(Mandatory=$true, Position=0)]
[string]$ImageFilePath,
[Parameter(Mandatory=$true, Position=1)]
[string]$ChecksumFilePath
)
$expected_checksum = ((Get-Content $ChecksumFilePath | Select-String -Pattern (Split-Path $ImageFilePath -leaf)) -split " ")[-1].ToLower()
$download_checksum = (Get-FileHash -Path $ImageFilePath -Algorithm SHA256).Hash.ToLower()
$expected_checksum = ((Get-Content $ChecksumFilePath | Select-String -Pattern (Split-Path $ImageFilePath -leaf)) -split " ")[-1].ToLower()
$download_checksum = (Get-FileHash -Path $ImageFilePath -Algorithm SHA256).Hash.ToLower()
echo "Download Checksum: $download_checksum"
echo "Expected Checksum: $expected_checksum"
if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
}
> echo "Download Checksum: $download_checksum"
> echo "Expected Checksum: $expected_checksum"
> if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
Execute the function pasted in previous step
Spusťte funkci vloženou v předchozím kroku
Get-ImageVerification .\Fedora-Server-DVD-x86_64-21.iso .\Fedora-Server-DVD-x86_64-21.iso
Get-ImageVerification .\Fedora-Server-DVD-x86_64-21.iso .\Fedora-Server-DVD-x86_64-21.iso
Verifying checksums on Linux and macOS systems
Ověření kontrolního součtu na systémech Linux a macOS
Download the Fedora image of your choice from link:++https://fedoraproject.org/get-fedora++[] and the corresponding checksum file from link:++https://fedoraproject.org/security/++[]
Stáhněte si obraz Fedory vaší volby z odkazu:++https://fedoraproject.org/get-fedora.org++[] a příslušný soubor kontrolního součtu z link:++https://fedoraproject.org/security/++[]
Open a terminal window, and navigate to the directory with the downloaded files.
Otevřete okno terminálu a přejděte do adresáře se staženými soubory.
$ [command]#cd ~/Downloads#
$ [command]#cd ~/Downloads#
Use the appropriate utility to verify the image checksum.
Použijte vhodný program pro ověření kontrolního součtu obrazu.
For Linux:
Pro Linux:
$ sha256sum -c *CHECKSUM
$ sha256sum -c *CHECKSUM
For macOS:
Pro macOS:
$ grep '^SHA256' *-CHECKSUM | awk -F '[()=]' '{ print $4 " " $2 }' | shasum -a 256 -c
$ grep '^SHA256' *-CHECKSUM | awk -F '[()=]' '{ print $4 " " $2 }' | shasum -a 256 -c
Writing the images to USB media
Zápis obrazů na USB nosič
Creating USB media with [application]*GNOME Disks*
Vytvoření USB nosiče s [application]*GNOME Disky*
On a system with [application]*GNOME*, or with the [package]*gnome-disk-utility* package installed, open `Disks` using the system menu.
Na systému s [application]*GNOME*, nebo s nainstalovaným balíčkem [package]*gnome-disk-utility*, otevřete `Disky` ze systémové nabídky.
Click your USB device in the left column.
V levém sloupci klepněte na vaše zařízení USB.

Loading…

User avatar None

Suggestion removed during cleanup
echo "Download Checksum: $download_checksum"
echo "Expected Checksum: $expected_checksum"
if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
}
> echo "Download Checksum: $download_checksum"
> echo "Expected Checksum: $expected_checksum"
> if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
6 hours ago
User avatar peartown

Translation changed
echo "Download Checksum: $download_checksum"
echo "Expected Checksum: $expected_checksum"
if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
}
> echo "Download Checksum: $download_checksum"
> echo "Expected Checksum: $expected_checksum"
> if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
13 hours ago
User avatar mt:weblate-translation-memory

Suggestion added
echo "Download Checksum: $download_checksum"
echo "Expected Checksum: $expected_checksum"
if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
}
> echo "Download Checksum: $download_checksum"
> echo "Expected Checksum: $expected_checksum"
> if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
2 months ago
User avatar None

String added in the repository
echo "Download Checksum: $download_checksum"
echo "Expected Checksum: $expected_checksum"
if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
}
> echo "Download Checksum: $download_checksum"
> echo "Expected Checksum: $expected_checksum"
> if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
2 months ago
User avatar None

Source string changed
> echo "Download Checksum: $download_checksum"
> echo "Expected Checksum: $expected_checksum"
> if ( $download_checksum -eq "$expected_checksum" ) {
echo "Checksum test passed!"
} else {
echo "Checksum test failed."
}
}
2 months ago
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18652329 String information

Source string description
type: delimited block -
Flags
no-wrap
Source string location
pages/preparing-boot-media.adoc:199
String age
2 months ago
Last updated
13 hours ago
Source string age
2 months ago
Translation file
po/cs/rawhide/pages/preparing-boot-media.po, string 76