Viewed 3k times. When trying to copy, I get error "can't complete the operation because some data can't be read or written" How can I fix this issue? Nimo Nimo 2 2 silver badges 5 5 bronze badges.
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There are disc polishers available - you could try one but it depends how deep the scratch is Step 1: Install Homebrew In case you haven't heard of Homebrew, it's a software manager that can install all sorts of professional tools actually, it can install almost anything on your mac using the terminal.
Step 2: Install ddrescue ddrescue is an open source disk recovery tool. Step 5: Recover the DVD into a. Pass 1 forwards Step 6: Mount the recovered. Step 7: Upvote this answer : I hope this process worked for you. If it didn't write a comment and I'll try to help. So as Nimo wrote as a note on step 5, Wait for it to finish - it can take quite a long time.
How to Mount a Drive from the Command Line on Mac
The following basic types of media are available:. This image contains the installer as well as a set of all packages that can be installed during an interactive installation. This is the recommended download for most users. Note that this image is very large and requires an at least 16 GB flash drive or other storage.
You can then use Yum to download additional packages from update repositories.
Hierarchical File System - Wikipedia
Images for additional architectures are available for download from the CentOS Wiki download page. Optionally, you can use a checksum utility such as shasum to verify the integrity of the image file after the download finishes. All downloads are provided with their checksums for reference:. You can also use the rd.
Place it on a local hard drive or a network location to use as an installation source. For specific instructions, see Preparing an installation source. Use it to prepare a Preboot Execution Environment PXE server, which allows you to boot the installation system over a network. See Preparing to install from the network using PXE for instructions. By default, the inst. If you modify the default label of the file system containing the runtime image, or if you use a customized procedure to boot the installation system, you must verify that the label is set to the correct value.
See Installation source boot options for details. The dmesg command returns a log that details all recent events. Messages resulting from the attached USB flash drive are displayed at the bottom of the log. Record the name of the connected device.
Ensure that you use the correct device name, and not the name of a partition on the device. Partition names are usually device names with a numerical suffix.
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For example, sdd is a device name, and sdd1 is the name of a partition on the device sdd. Wait for the dd command to finish writing the image to the device. The data transfer is complete when the prompt appears. When the prompt is displayed, log out of the root account and unplug the USB drive. The USB drive is now ready to be used as a boot device. Follow the steps in this procedure to create a bootable USB device on a Windows system. The procedure varies depending on the tool.
You can obtain the package from the official Flatpak repository Flathub. Click Write to disk. The boot media creation process starts. Do not unplug the drive until the operation completes. When the operation completes, unmount the USB drive. Identify the device path with the diskutil list command. The disks are numbered starting at zero 0. In the following example, the USB device is disk2 :. You can also compare these values to those in the information panel of the flash drive. When the command completes, the icon for the flash drive disappears from your desktop.
Logical volume identifier example
If the icon does not disappear, you may have selected the wrong disk. Attempting to unmount the system disk accidentally returns a failed to unmount error. Use the dd command as a parameter of the sudo command to write the ISO image to the flash drive:. The Boot ISO image file does not include any repositories or software packages; it contains only the installation program and the tools required to boot the system and start the installation.
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Creating an installation source is required only for the Boot ISO image. The installation program will automatically install the software packages from the DVD. If you use a USB drive, verify that it is connected to the system before the installation begins. The installation program cannot detect media after the installation begins.
leondumoulin.nl/language/known/fountain-of-lamneth-part.php The supported file systems are xfs , ext2 , ext3 , ext4 , and vfat FAT The exFAT file system is also available. However, neither of these file systems can be mounted during the installation. To do so, you need to copy the contents of the DVD ISO image to a directory on a hard drive and then specify the directory as the installation source instead of the ISO image.
For example: inst. Graphical installation: Select the installation source in the Installation Source window of the graphical installation. See Configuring installation source for more information.