====== Building and signing RPM packcages ======

===== Create RPM build environment =====

  # yum install rpm-build
  
Build the needed directories.

  # mkdir -p /usr/src/redhat/{BUILD,RPMS,SOURCES,SPECS,SRPMS}

===== Create SPEC file =====

Place spec file in /usr/src/redhat/SPECS

Example:

Summary: Check for simple HW errors\\
Name: hw-check\\
Version: 1.0\\
Release: 0\\
License: GPL\\
Group: Applications/Internet\\
Vendor: <Vendor or personal name>\\
Buildroot: %{_tmppath}/hw-check-%{version}\\
BuildArch: noarch\\
 
%description\\
Hardware check script for Linux.\\

%prep\\
#%setup -q\\

%build\\

%install\\
rm -rf $RPM_BUILD_ROOT\\
mkdir -m 664 -p $RPM_BUILD_ROOT/var/log/hardware\\
mkdir -m 700 -p $RPM_BUILD_ROOT/etc/cron.daily\\
cp /etc/cron.daily/hw_check $RPM_BUILD_ROOT/etc/cron.daily/hw_check\\

%post\\

%preun\\
rm -f /etc/cron.daily/hw_check \\
rm -f /var/log/hardware/*\\
rmdir /var/log/hardware\\

%clean\\
rm -rf $RPM_BUILD_ROOT\\

%files\\

%defattr(750,root,root)\\
%dir /var/log/hardware/\\

%defattr(-,root,root)\\
/etc/cron.daily/hw_check\\

%changelog\\
* Thu Sep 8 2010 Unix Support <unix@<domain>> - 1.00\\
- Initial build''\\


===== Create GPG keys =====

  # gpg --gen-key

Select default install options and fill out "Real Name" & "Email address"

List installed keys  
  # gpg --list-keys

===== Export GPG key =====

Export GPG key the key needs to be imported on systems where packet is going to be installed

  # gpg --export -a '<Real name>' > RPM-GPG-KEY-<real name> 

===== Create macro file with GPG reference =====
Create ~/.rpmmacros file with following content:

  %_signature    gpg
  %_gpg_name    <real name>
  
===== Create and sign RPM package =====

  # cd /usr/src/redhat/SPECS
  # rpmbuild -ba --sign <name of spec file>

RPM package will be placed in /usr/src/redhat/RPMS/noarch depending of architecture
Copy RPM package and GPG key to target system

===== Import GPG key to target system =====

  # rpm --import RPM-GPG-KEY-<real name>


===== Install RPM package =====

On target system:

  # yum localinstall <RPM package name>