With that command you change all permissions for all users. The specific command to fix this specific issue is: $ sudo chmod o-w /
(this only removes writable permission to Others/world) El 23/10/19 a les 21:34, [email protected] ha escrit: > Hello, > > I do not speak English so I write this with a web translator. > > the same consultation in Spanish: > > https://trisquel.info/en/forum/gufw-warn-world-writable > > > > I have done a multiple installation with several distributions based in > debian and in ubuntu and with all the same happens to me: > > on having installed the gufw, the following alarm throws me and the > firewall does not work: > > WARN: / is world writable! | WARN: / is group writable! | > > since I could have seen in Internet this warning it appears when the > permission of the directory root / is 777, and gets ready changing the > permissions to 755 > > "sudo chmod 755 /". > > It seems that this arranges it but I would like knowing why it happens. > In other computers, also with multiple starter it has never happened to me. > The only difference is that in this occasion the starter is UEFI. > But as it happens to me in all the distributions I wonder I will not be > doing something wrong in the installation process. > > Is this normal? > > Thanks.
