recovering debian from accidental chown -R www-data:www-data /
on the destination server create and run fix.sh: command that helped me to spot wrongly owned files/directories:
debian
“error: internal error: unable to execute QEMU command ‘transaction’: Could not create file: Permission denied” when creating a snapshot under KVM
debian buster brings apparmor. apparmor brings problems – eg it’s too restrictive for libvirt KVM guests and does not allow KVM to create snapshot-related files in VM’s folders. so far i did not find a clean and generic way to address it so i had to disable apparmor for libvirt by adding security_driver = “none” ... Read More
bind9 on debian jessie ignores -4 in /etc/default/bind9 and tries to make lookups via ipv6
while checking one of the servers running debian jessie i’ve noticed that logs are full of: strange… didn’t i put “-4” in the /etc/default/bind9 ages ago? apparently i did but ps shows that it was ignored: a bit of googling told me it’s a known problem with systemd [sic!] – the /etc/default/bind9 is ignored. workaround? ... Read More
sip-audio-session, new libxml2
i’m using nagios to wake me up. not every day – only when there’s some outage. i have pair of nagios servers – one in Sweden, one in Poland – they cross-check one another and – for the most critical problems – send sms and make a phone call. for sms’es i’m using budgetsms.net, for ... Read More
cloning the server using rsync
braindump of things to do/directories not to copy when cloning physical debian to a vm using rsync
lenny to squeeze upgrade – aftermath
few problems/differences i’ve noticed after upgrade of debian.