$ sudo apt-get install apache2 Reading package lists... Building dependency tree... The following extra packages will be installed:   apache2-common apache2-mpm-worker apache2-utils libapr0 libexpat1 libpcre3   openssl ssl-cert Suggested packages:   apache2-doc lynx www-browser ca-certificates The following NEW packages will be installed:   apache2 apache2-common apache2-mpm-worker apache2-utils libapr0 libexpat1   libpcre3 openssl ssl-cert 0 upgraded, 9 newly installed, 0 to remove and 1 not upgraded. Need to get 2469kB of archives. After unpacking 7270kB of additional disk space will be used. Do you want to continue [Y/n]? ── yを入力してEnter