Install Time Machine service on CentOS 7

centos7_timechine.sh

# Install Time Machine service on CentOS 7
# http://netatalk.sourceforge.net/wiki/index.php/Netatalk_3.1.7_SRPM_for_Fedora_and_CentOS
# http://confoundedtech.blogspot.com/2011/07/draft-draft-ubuntu-as-apple-time.html
yum install -y rpm-build gcc make wget

# install netatalk
yum install -y avahi-devel cracklib-devel dbus-devel dbus-glib-devel libacl-devel libattr-devel libdb-devel libevent-devel libgcrypt-devel krb5-devel mysql-devel openldap-devel openssl-devel pam-devel quota-devel systemtap-sdt-devel tcp_wrappers-devel libtdb-devel tracker-devel

yum install -y bison docbook-style-xsl flex dconf

wget http://www003.upp.so-net.ne.jp/hat/files/netatalk-3.1.7-0.1.fc22.src.rpm

rpm -ivh netatalk-3.1.7-0.1.fc22.src.rpm

rpmbuild -bb ~/rpmbuild/SPECS/netatalk.spec

rpm -ivh ~/rpmbuild/RPMS/x86_64/netatalk-3.1.7-0.1.el7.centos.x86_64.rpm

# configuration
cat >> /etc/avahi/services/afpd.service << EOF
<?xml version="1.0" standalone='no'?>
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
<service-group>
<name replace-wildcards="yes">%h</name>
<service>
<type>_afpovertcp._tcp</type>
<port>548</port>
</service>
<service>
<type>_device-info._tcp</type>
<port>0</port>
<txt-record>model=Xserve</txt-record>
</service>
</service-group>
EOF

cat >> /etc/netatalk/afp.conf << EOF
[Time Machine]
path = /opt/timemachine
valid users = tmbackup
time machine = yes
EOF

cat >> /etc/netatalk/afpd.conf << EOF
- -transall -uamlist uams_randnum.so,uams_dhx.so,uams_dhx2.so -nosavepassword -advertise_ssh
EOF

useradd tmbackup
mkdir -p /opt/timemachine
chown tmbackup:tmbackup /opt/timemachine

cat >> /etc/netatalk/AppleVolumes.default << EOF
/opt/timemachine TimeMachine allow:tmbackup options:usedots,upriv,tm dperm:0775 fperm:0660 cnidscheme:dbd volsizelimit:200000
EOF

cat >> /etc/nsswitch.conf << EOF
hosts:	files mdns4_minimal dns mdns mdns4
EOF

firewall-cmd --zone=public --permanent --add-port=548/tcp
firewall-cmd --zone=public --permanent --add-port=548/udp
firewall-cmd --zone=public --permanent --add-port=5353/tcp
firewall-cmd --zone=public --permanent --add-port=5353/udp
firewall-cmd --zone=public --permanent --add-port=49152/tcp
firewall-cmd --zone=public --permanent --add-port=49152/udp
firewall-cmd --zone=public --permanent --add-port=52883/tcp
firewall-cmd --zone=public --permanent --add-port=52883/udp
firewall-cmd --reload

systemctl enable avahi-daemon
systemctl enable netatalk
systemctl start avahi-daemon
systemctl start netatalk

# set password for tmbackup
passwd tmbackup

fixed it here on my fork:
https://gist.github.com/oneshot719/5b2cddb4911e077bfbe47277f4bbe76d

updated for netatalk 3.1.10:
https://gist.github.com/vimusr/8a310f09a38ae9b50be788a8438af310

Thanks all! This helped me get the newer netatalk working for my wife's Time Machine backups.

I compiled the src rpm on a centos 7 machine and installed it on the time machine host, another centos 7 machine. Everything worked fine -- anybody know why a regular rpm for netatalk is not available?

updated for netatalk 3.1.12:
https://gist.github.com/aidmax/556d6888397186b30862f7445d722af0

updated for netatalk 3.1.12-10 & backup patch change to /home when this fs is bigger:

https://gist.github.com/hrabiamiod/d3627fe53ec18a288263313f15ebd2c2