root@ike:/etc/mysql# apt install mariadb-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libevent-core-2.1-7 libmecab2 mecab-ipadic mecab-ipadic-utf8 mecab-utils
Use 'apt autoremove' to remove them.
sh: 0: getcwd() failed: No such file or directory
The following NEW packages will be installed
  mariadb-server
0 to upgrade, 1 to newly install, 0 to remove and 0 not to upgrade.
Need to get 12.7 kB of archives.
After this operation, 68.6 kB of additional disk space will be used.
Get:1 http://gb.archive.ubuntu.com/ubuntu focal/universe amd64 mariadb-server all 1:10.3.22-1ubuntu1 [12.7 kB]
Fetched 12.7 kB in 10s (1,232 B/s)
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
Selecting previously unselected package mariadb-server.
(Reading database ... 137421 files and directories currently installed.)
Preparing to unpack .../mariadb-server_1%3a10.3.22-1ubuntu1_all.deb ...
Unpacking mariadb-server (1:10.3.22-1ubuntu1) ...
Setting up mariadb-server (1:10.3.22-1ubuntu1) ...
sh: 0: getcwd() failed: No such file or directory