On Tue 20 Mar 2018 at 23:18:29 (+0100), Neo wrote: > Hey folks > > I've had a setup with xtables-addons running (on jessie with > standard repos), especially the geoip module in this case. The > normal upgrade path installed gcc-4.9 and broke my dkms setup and in > turn my iptables setup. So it fell back on my fail2ban protection > against ssh scripts. > > /usr/bin/gcc-4.8 was on strange file permissions, with not even > execute perms for root. Thus de dkms rebuild failed. > > now my questions: > > why was gcc-4.8 binary set to no execution, even for root? > > why is xtables-addons-dkms not using gcc-4.9? > > a simple chmod 700 /usr/bin/gcc-4.8 fixed the problem. > > Thank you for any enlightenment
Your fixup might give a clue as to how it got the wrong permissions: you've just broken your gcc-4.8 which ought to be executable by all (as should everything in /usr/bin). lrwxrwxrwx 1 root root 7 Feb 25 2015 gcc -> gcc-4.9* -rwxr-xr-x 1 root root 715448 Dec 20 2014 gcc-4.8* -rwxr-xr-x 1 root root 806344 Feb 10 18:17 gcc-4.9* Cheers, David.