sudo apt install linux-lowlatency

 $ sudo apt install linux-lowlatency

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following additional packages will be installed:

  linux-headers-5.4.0-58-lowlatency linux-headers-lowlatency

  linux-image-5.4.0-58-lowlatency linux-image-lowlatency

  linux-modules-5.4.0-58-lowlatency

Suggested packages:

  fdutils linux-doc | linux-source-5.4.0 linux-tools

The following NEW packages will be installed:

  linux-headers-5.4.0-58-lowlatency linux-headers-lowlatency

  linux-image-5.4.0-58-lowlatency linux-image-lowlatency linux-lowlatency

  linux-modules-5.4.0-58-lowlatency

0 upgraded, 6 newly installed, 0 to remove and 0 not upgraded.

Need to get 63,1 MB of archives.

After this operation, 289 MB of additional disk space will be used.

Do you want to continue? [Y/n] y

Get:1 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 linux-headers-5.4.0-58-lowlatency amd64 5.4.0-58.64 [1.249 kB]

Get:2 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 linux-headers-lowlatency amd64 5.4.0.58.61 [2.444 B]

Get:3 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 linux-modules-5.4.0-58-lowlatency amd64 5.4.0-58.64 [52,9 MB]

Get:4 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 linux-image-5.4.0-58-lowlatency amd64 5.4.0-58.64 [8.956 kB]

Get:5 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 linux-image-lowlatency amd64 5.4.0.58.61 [2.572 B]

Get:6 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 linux-lowlatency amd64 5.4.0.58.61 [1.876 B]

Fetched 63,1 MB in 19s (3.249 kB/s)                                            

Selecting previously unselected package linux-headers-5.4.0-58-lowlatency.

(Reading database ... 255739 files and directories currently installed.)

Preparing to unpack .../0-linux-headers-5.4.0-58-lowlatency_5.4.0-58.64_amd64.de

b ...

Unpacking linux-headers-5.4.0-58-lowlatency (5.4.0-58.64) ...

Selecting previously unselected package linux-headers-lowlatency.

Preparing to unpack .../1-linux-headers-lowlatency_5.4.0.58.61_amd64.deb ...

Unpacking linux-headers-lowlatency (5.4.0.58.61) ...

Selecting previously unselected package linux-modules-5.4.0-58-lowlatency.

Preparing to unpack .../2-linux-modules-5.4.0-58-lowlatency_5.4.0-58.64_amd64.de

b ...

Unpacking linux-modules-5.4.0-58-lowlatency (5.4.0-58.64) ...

Selecting previously unselected package linux-image-5.4.0-58-lowlatency.

Preparing to unpack .../3-linux-image-5.4.0-58-lowlatency_5.4.0-58.64_amd64.deb 

...

Unpacking linux-image-5.4.0-58-lowlatency (5.4.0-58.64) ...

Selecting previously unselected package linux-image-lowlatency.

Preparing to unpack .../4-linux-image-lowlatency_5.4.0.58.61_amd64.deb ...

Unpacking linux-image-lowlatency (5.4.0.58.61) ...

Selecting previously unselected package linux-lowlatency.

Preparing to unpack .../5-linux-lowlatency_5.4.0.58.61_amd64.deb ...

Unpacking linux-lowlatency (5.4.0.58.61) ...

Setting up linux-headers-5.4.0-58-lowlatency (5.4.0-58.64) ...

Setting up linux-headers-lowlatency (5.4.0.58.61) ...

Setting up linux-modules-5.4.0-58-lowlatency (5.4.0-58.64) ...

Setting up linux-image-5.4.0-58-lowlatency (5.4.0-58.64) ...

I: /boot/vmlinuz.old is now a symlink to vmlinuz-5.4.0-58-generic

I: /boot/initrd.img.old is now a symlink to initrd.img-5.4.0-58-generic

I: /boot/vmlinuz is now a symlink to vmlinuz-5.4.0-58-lowlatency

I: /boot/initrd.img is now a symlink to initrd.img-5.4.0-58-lowlatency

Setting up linux-image-lowlatency (5.4.0.58.61) ...

Setting up linux-lowlatency (5.4.0.58.61) ...

Processing triggers for linux-image-5.4.0-58-lowlatency (5.4.0-58.64) ...

/etc/kernel/postinst.d/initramfs-tools:

update-initramfs: Generating /boot/initrd.img-5.4.0-58-lowlatency

/etc/kernel/postinst.d/zz-update-grub:

Sourcing file `/etc/default/grub'

Sourcing file `/etc/default/grub.d/init-select.cfg'

Generating grub configuration file ...

Found linux image: /boot/vmlinuz-5.4.0-58-lowlatency

Found initrd image: /boot/initrd.img-5.4.0-58-lowlatency

Found linux image: /boot/vmlinuz-5.4.0-58-generic

Found initrd image: /boot/initrd.img-5.4.0-58-generic

Found linux image: /boot/vmlinuz-5.4.0-54-generic

Found initrd image: /boot/initrd.img-5.4.0-54-generic

Adding boot menu entry for UEFI Firmware Settings

done

dhwan@dhwan-Aspire-A514:~$ uname -r

5.4.0-58-generic