Building GRsec kernel on CentOS 6.x

Since CentOS 6.x is an old distro it lacks newer GCC and thus you can’t use things like stack protector and some of the PAX security stuff
What you can do however, is to install the SCL repo and from there the devtoolset-4:

# yum install centos-release-scl.noarch centos-release-scl-rh.noarch
# yum install devtoolset-4 devtoolset-4-gcc-plugin-devel.x86_64

The above will install gcc [...]

Posted by HackMan
Dated: 22nd November 2016
Filled Under: CentOS, Linux General, Technology
Comments: Post the 1st one!

Find what services need to be restarted

After yum or apt-get upgrade you are left with services that need to be restarted in order to start using the new libraries you have just upgraded.
Sometimes you know what to restart but if you haven’t done upgrade in a while it is highly possible that you can miss a service.
The following simple two liner [...]

Posted by HackMan
Dated: 22nd November 2016
Filled Under: Linux General, Technology
Comments: Post the 1st one!