ubuntu root password

[V13]

On Monday 26 May 2008, Apollon Koutlidis wrote:
> V13 wrote:
> > On Monday 26 May 2008, Apollon Koutlidis wrote:
> >> Pleonekthmata:
> >> 1. Ena common account (kai idiaitera krisimo!) ligotero gia ta
> >> dictionary attacks
> >
> > Diladi, gia na katalabo, to na xreiazetai kapoios 2 passwords (toy xristi
> > kai toy root) einai ligotero asfales apo to na xreiazetai ena mono (toy
> > xristi) ?
>
> erm? ennoeis PermitRootLogin no? h kapou s'exasa?

Me to sudo xreiazesai mono to password toy xristi gia na kaneis kati sto 
mixanima, eno me to su xreiazesai kai toy root.

> Egw proswpika to xrhsimopoiw me auto ton tropo :-p (kai oxi se Ubuntu) e.g.
> %wheel ALL=NOPASSWD: /usr/local/apache2/bin/apachectl reload
>
> Einai bolikos tropos na dineis *polu sugkekrimena* dikaiwmata se omades
> xrhstwn xwris na dineis to root pass.

Nai, OK. Ayto einai boliko kai mallon oloi exoyme kanei kati sxetiko ana 
diastimata. Oi diafonies eixan na kanoyn apokleistika kai mono me to ubuntu. 
Parola ayta thelei poly megali prosoxi giati einai POLY dyskolo na mporeseis 
na krineis poia sxetiki entoli mporei na odigisei se full root kai poia oxi 
(emesa). Ean to kaloskeyteis sxedon soy dinei th dynatotita na dimioyrgeis 
emesa dika soy suid programmata kai scripts, kati to opoio (opos kseroyme) 
exei apodeixtei poly kako (tm) kata diastimata.

Kai edo to ena password einai ligotero apo ta 2 (sth periptosi poy 
kykloforisei to password soy) kai sigoyra (kat'eme) einai poly dyskolotero to 
na krineis ean to parapano reload (h kati allo sxetiko) mporei na odigisei se 
root.

<<V13>>