How do I create a swap partition after installing Ubuntu?

If you installed new empty disk then need to create swap partition on it.

1. Show partitions: $ sudo fdisk -l.
2. Create swap partition: $ sudo fdisk /dev/sdb.
3. Make partition swap:
4. Use turn on swap on created partition:
5. Make swap permanently:

How do I create a Linux home partition?

1 Answer

1. Create a New Partition : use Gparted to shrink and create new partition.
2. Copy Home Files to New Partition : copy your files from old home to the newly created partition sudo cp -Rp /home/* /new-partition-mount-point.
3. Get your new Partition’s UUID: use the command: sudo blkid.

How do I increase virtual memory in Ubuntu after installation?

Create a swap file of the size decided upon earlier with the command “sudo dd if=/dev/zero of=/mnt/swapfile bs=1M count=1024” where 1024 is the size of the swap file in megabytes and the full name of the swapfile is /mnt/swapfile.

What command prepares a swap partition for use afterwards you can enable the swap partition with the swapon command?

Now after you’ve created and enabled a swap area for some reason you need to disable it, you use the swapoff command. As you can see here swapoff followed by the device file name of the swap partition.

How do I move my home directory to another partition in Ubuntu?

To migrate your current Home folder to an external partition, there are four things that you need to do:

1. Mount the external partition onto a temporary Home location.
2. Copy the files from your current Home folder to this temporary Home folder.
3. Relocate the current Home folder.
4. Mount the new Home folder.

How do I mount a partition to my home Ubuntu?

This guide will follow these 8 basic steps:

1. Set-up your new partition.
2. Find the uuid (=address) of the new partition.
3. Backup and edit your fstab to mount the new partition as /media/home (just for the time being) and reboot.
4. Use rsync to migrate all data from /home into /media/home.
5. Check copying worked!

Does Ubuntu automatically create swap?

Yes, it does. Ubuntu always creates a swap partition if you choose automatic install.

Is swap partition necessary for Ubuntu?

You don’t need a separate partition. You can choose to install Ubuntu without a swap partition with the option of using a swap file later: Swap is generally associated with a swap partition, perhaps because the user is prompted to create a swap partition at the time of installation.

What command prepares a swap partition for use?

swapon command
After creating the swap area, you need the swapon command to start using it. Usually, swap areas are listed in /etc/fstab so they can be taken into use at boot time by a swapon -a command in some boot script.

What is the difference between swap file and swap partition?

Linux has two forms of swap space: the swap partition and the swap file. The swap partition is an independent section of the hard disk used solely for swapping; no other files can reside there. The swap file is a special file in the filesystem that resides amongst your system and data files.