imported>Verityproductions |
imported>FadeMind |
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| = Overview = | | =Introduction= |
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| As with any Linux operating system, the GRUB ('''GR'''and '''U'''nified '''B'''ootloader) is responsible for booting up Manjaro. If for any reason your GRUB is not working - perhaps due to being corrupted, mis-configured, or even deleted - then it may not be necessary to reinstall Manjaro. '''The GRUB can instead be fully repaired and restored, retaining your installed Manjaro system'''.
| | Enable preview many file types. Install the required packages. Then in the settings of the Dolphin activate preview of selected file types. |
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| | =Setup= |
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| = Boot the Manjaro Installation Media =
| | Before start close the application Dolphin. Install the recommended packages. |
| | Note: calligra provides preview plugins for many offfice and graphics files. |
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| | '''<code>sudo pacman -S --noconfirm --needed kdegraphics-{thumbnailers,svgpart} kdesdk-thumbnailers calligra</code>''' |
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| | Additional plugins for less popular formats directly from AUR: |
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| | '''<code>yaourt -S --noconfirm --needed audiothumbs kde-thumbnailer-{apk,blender,epub,fb2,geogebra,gimpresources,mmap,plasmoid,qml,webp,wmf}</code>''' |
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| | If You want using mplayer instead of ffmpeg for generate thumbnails video files install and activate mplayer instead ffmpeg preview plugin in Dolphin Previews settings: |
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| | '''<code>sudo pacman -S kdemultimedia-mplayerthumbs --needed --noconfirm</code>''' |
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| | Open Dolphin. Go to '''Control > Configure Dolphin > General > Previews'''. Mark selected group of file extensions to enable them preview of in Dolphin. Save the changes to the settings. |
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| '''1.''' Insert and boot your Manjaro installation media (e.g. CD/DVD or USB).
| | [[File:dolphin-settings-tab.png|900px|thumb|center]] |
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| '''2.''' Select your '''preferred language''' (F2) and '''keyboard layout''' (F3).
| | =Support= |
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| {{tip|Setting the language and keyboard layout are undertaken by pressing the ''Function'' (F) keys. As many computers have multiple functions assigned to each function key, it may be necessary to hold down another key first to use them. For example, on a HP G62 laptop, to use the function keys, the 'fn' key must first be pressed and held.}}
| | Official forum topic: [http://forum.manjaro.org/index.php?topic=7731] |
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| | =See Also= |
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| '''3.''' Boot Manjaro Linux. It does not matter which boot option you choose, as the installation media is being used solely to repair/reinstate the GRUB, and not to install a fresh system.
| | [http://wiki.manjaro.org/index.php?title=Krusader Krusader, Installing] |
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| '''4.''' Open the terminal or access the command line of the live CD.
| | [[Category:Contents Page]] |
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| * '''From the desktop environment''': open the terminal from your desktop menu, or
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| * '''From the command line (e.g. NET-Edition or having used the 'Boot in Text mode' option''': enter the default username (manjaro) and password (manjaro) to log in.
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| = Identify and Prepare the GRUB Partition =
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| '''1.''' Ensure that you are using the Root account, which is identified by a hash ('#') at the beginning of the command line. To switch to Root, enter the command:
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| sudo su
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| {{tip|The password - if requested - will be '''manjaro'''}}
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| '''2.''' List your partitions. This is necessary in order to identify the partition your Manjaro system is installed on. If you have used a seperate boot partition, it will be necessary to identify this as well. For a list of your paritions, enter the command:
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| sudo blkid
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| In this particular instance, the partitions for the author's Manjaro system are as follows:
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| * '''/dev/sda1''': Seperate boot partition
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| * '''/dev/sda2''': Swap partition
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| * '''/dev/sda3''': Manjaro system
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| * '''/dev/sda4''': Space for personal files.
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| {{tip|You can also use an application called '''gparted''' from the desktop menu to look at your partitions. This can help you identify what they are, if you are unsure. For example, if a seperate partition for the GRUB exists, it should only be about 100MB in size.}}
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| '''3.''' Mount your Manjaro system partition. The syntax to mount the Manjaro system partition is:
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| mount /dev/'''[partition used for Manjaro system]''' /mnt
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| In this instance, as the Manjaro system partition is ''/dev/sda3'', this will first be mounted, using the following command:
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| mount /dev/'''sda3''' /mnt
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| '''IF''' you have used a seperate partition for your GRUB bootloader, then this must also be mounted. The syntax to mount a partition used to boot is:
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| mount /dev/'''[partition used for GRUB]''' /mnt/boot
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| In this instance, a seperate partition - ''/dev/sda1'' - has been used for the GRUB, and will be mounted using the following command:
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| mount /dev/'''sda1''' /mnt/boot
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| {{note|'''Again, if you do have not used a seperate boot partition, then it (obviously) does not need to be mounted!''' If you are not sure, then check the size of the partitions: a seperate partition used just for the GRUB should be the recommended size of 100MB.}}
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| '''3.''' Change to the root directory of your mounted partitions (i.e. so you are working from and using your installed system, rather than the live CD). To do so, it will be necessary to enter a series of command:
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| mount -t proc proc /mnt/proc
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| mount -t sysfs sys /mnt/sys
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| mount -o bind /dev /mnt/dev
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| mount -t devpts pts /mnt/dev/pts/
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| chroot /mnt
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| '''4.''' Install mtools and os-prober. mtools is a collection of tools to access Microsoft Operating Systems. os-prober is a utility that detects if there are any other operating systems present. Install them with the following command:
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| pacman -S mtools os-prober
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| = Restore the GRUB =
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| '''1.''' Install a new GRUB bootloader
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| grub-install /dev/sda
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| '''2.''' Recheck to ensure the that installation has completed without any errors.
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| grub-install --recheck /dev/sda
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| '''3.''' Configure the freshly installed GRUB bootloader
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| grub-mkconfig -o /boot/grub/grub.cfg
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| Once complete, close the terminal and reboot your system.
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