sudo apt install libc6:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
  glibc-doc:i386 locales:i386
The following NEW packages will be installed:
  libc6:i386
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
33 not fully installed or removed.
Need to get 0 B/2,270 kB of archives.
After this operation, 9,814 kB of additional disk space will be used.
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
(Reading database ... 211284 files and directories currently installed.)
Preparing to unpack .../libc6_2.23-0ubuntu3_i386.deb ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing archive /var/cache/apt/archives/libc6_2.23-0ubuntu3_i386.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libc6_2.23-0ubuntu3_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)