Installed D8 on Debian Wheezy, homepage loads.
Click any menu item in Manage menu gives 404 Not found.
Apache/2.2.22 (Debian) PHP/5.5.17-1~dotdeb.1 mod_python/3.3.1 Python/2.7.3
php -m:
[PHP Modules]
bcmath
bz2
calendar
Core
ctype
date
dba
dom
ereg
exif
fileinfo
filter
ftp
gd
gettext
hash
iconv
json
libxml
mbstring
mhash
mysql
mysqli
openssl
pcntl
pcre
PDO
pdo_mysql
Phar
posix
readline
Reflection
session
shmop
SimpleXML
soap
sockets
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
wddx
xml
xmlreader
xmlwriter
Zend OPcache
zip
zlib
[Zend Modules]
Zend OPcache