Yes I dit it.
The output is:
# luatools --generate
'/home/xane/luatex-cache/context/********' ^^^^^ root@negre:~# ^^^^
Wait... are you running luatools --generate as root? Don't do that. Run it as a normal user.
Aditya ____
I have errors with normal user: xan@negre:~$ luatools --generate LuaTools | fileio: variable 'SELFAUTOLOC' set to '/usr/bin' LuaTools | fileio: variable 'SELFAUTODIR' set to '/usr' LuaTools | fileio: variable 'SELFAUTOPARENT' set to '/' LuaTools | fileio: variable 'TEXMFCNF' set to '{$SELFAUTODIR,$SELFAUTOPARENT}{,{/share,}/texmf{-local,.local,}/web2c}' LuaTools | fileio: loading configuration file /usr/share/texmf/web2c/texmf.cnf LuaTools | fileio: preparing 'configuration' for '/usr/share/texmf/web2c' LuaTools | fileio: 'configuration' saved in '/home/xan/luatex-cache/context/6300afb4995fe38c77e9b86ed1ef1028/trees/f7d1b3c25487ab1e1035aff1c53b90da.lua' LuaTools | fileio: 'configuration' compiled to '/home/xan/luatex-cache/context/6300afb4995fe38c77e9b86ed1ef1028/trees/f7d1b3c25487ab1e1035aff1c53b90da.luc' LuaTools | fileio: locating list of '/home/xan/.texmf-config' LuaTools | fileio: tex locator '/home/xan/.texmf-config' not found LuaTools | fileio: locating list of '/home/xan/.texmf-var' LuaTools | fileio: tex locator '/home/xan/.texmf-var' not found LuaTools | fileio: locating list of '/home/xan/texmf' LuaTools | fileio: tex locator '/home/xan/texmf' not found LuaTools | fileio: locating list of '/etc/texmf' LuaTools | fileio: tex locator '/etc/texmf' found LuaTools | fileio: hash '/etc/texmf' appended LuaTools | fileio: locating list of '/var/lib/texmf' LuaTools | fileio: tex locator '/var/lib/texmf' found LuaTools | fileio: hash '/var/lib/texmf' appended LuaTools | fileio: locating list of '/usr/local/share/texmf' LuaTools | fileio: tex locator '/usr/local/share/texmf' found LuaTools | fileio: hash '/usr/local/share/texmf' appended LuaTools | fileio: locating list of '/usr/share/texmf' LuaTools | fileio: tex locator '/usr/share/texmf' found LuaTools | fileio: hash '/usr/share/texmf' appended LuaTools | fileio: locating list of '/usr/share/texmf-texlive' LuaTools | fileio: tex locator '/usr/share/texmf-texlive' found LuaTools | fileio: hash '/usr/share/texmf-texlive' appended LuaTools | fileio: scanning path '/etc/texmf' /usr/bin/luatools:5169: cannot open /etc/texmf/web2c/pdftex/: Permission denied xan@negre:~$