Install i3blocks

 $ sudo apt install i3blocks

[sudo] password for dhwan: 

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following additional packages will be installed:

  acpi gawk libsigsegv2 sysstat

Suggested packages:

  gawk-doc isag

The following NEW packages will be installed:

  acpi gawk i3blocks libsigsegv2 sysstat

0 upgraded, 5 newly installed, 0 to remove and 0 not upgraded.

Need to get 925 kB of archives.

After this operation, 3.410 kB of additional disk space will be used.

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

Get:1 http://id.archive.ubuntu.com/ubuntu focal/main amd64 libsigsegv2 amd64 2.12-2 [13,9 kB]

Get:2 http://id.archive.ubuntu.com/ubuntu focal/main amd64 gawk amd64 1:5.0.1+dfsg-1 [418 kB]

Get:3 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 acpi amd64 1.7-1.1 [12,9 kB]

Get:4 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 i3blocks amd64 1.4-4 [27,6 kB]

Get:5 http://id.archive.ubuntu.com/ubuntu focal/main amd64 sysstat amd64 12.2.0-2 [453 kB]

Fetched 925 kB in 4s (206 kB/s)  

Preconfiguring packages ...

Selecting previously unselected package libsigsegv2:amd64.

(Reading database ... 313441 files and directories currently installed.)

Preparing to unpack .../libsigsegv2_2.12-2_amd64.deb ...

Unpacking libsigsegv2:amd64 (2.12-2) ...

Setting up libsigsegv2:amd64 (2.12-2) ...

Selecting previously unselected package gawk.

(Reading database ... 313448 files and directories currently installed.)

Preparing to unpack .../gawk_1%3a5.0.1+dfsg-1_amd64.deb ...

Unpacking gawk (1:5.0.1+dfsg-1) ...

Selecting previously unselected package acpi.

Preparing to unpack .../acpi_1.7-1.1_amd64.deb ...

Unpacking acpi (1.7-1.1) ...

Selecting previously unselected package i3blocks.

Preparing to unpack .../i3blocks_1.4-4_amd64.deb ...

Unpacking i3blocks (1.4-4) ...

Selecting previously unselected package sysstat.

Preparing to unpack .../sysstat_12.2.0-2_amd64.deb ...

Unpacking sysstat (12.2.0-2) ...

Setting up i3blocks (1.4-4) ...

Setting up gawk (1:5.0.1+dfsg-1) ...

Setting up acpi (1.7-1.1) ...

Setting up sysstat (12.2.0-2) ...

Creating config file /etc/default/sysstat with new version

update-alternatives: using /usr/bin/sar.sysstat to provide /usr/bin/sar (s

ar) in auto mode

Created symlink /etc/systemd/system/multi-user.target.wants/sysstat.servic

e → /lib/systemd/system/sysstat.service.

Processing triggers for systemd (245.4-4ubuntu3.4) ...

Processing triggers for man-db (2.9.1-1) ...

Processing triggers for libc-bin (2.31-0ubuntu9.2) ...