If you have directories on your machine that you want to share out to other machines then you can do this by setting up your machine as an NFS server. However with NFS you can only share out folders to machine that are in the same private network. If you […]
Let’s say you want to setup group folder that’s available via nfs. However this time only a particulat Linux group is allowed to have read+write access to this folder. You can do this by ensuring the exported folder is owned by a group, and then setup the SGID. You can […]
Network Files System (NFS) is a protocol that let’s one Linux box (NFS server) to share a folder with another Linux box (NFS Client). On the NFS client this shared folder looks like just an ordinary folder. NFS only works in an internal network so you can share folders over […]
This is walktrhough how to generate ssl certificates and then configure https on a CentOS 7 Apache server to use the ssl certificate.
It’s often useful to measure and view various system utilisation metrics. dstat and sysstat are typical tools that can do this task.
This course covers everything you need to know in order to pass the Red Hat Certified Systems Administrator (RHCSA) exam for RHEL 7. Becoming RHCSA certified proves that you have developed a strong proficiency in RHEL. RHEL is short for “RedHat Enterprise Linux” and as the name suggests, it’s a […]
We are now going to walk through a number of firewalld setups that’s often seen in the real world.
Overview There are 2 main server-side ldap software you can use to set up an ldap server: OpenLDAP Microsoft Active Directory (AD) Unfortunately we don’t have a single client-side ldap software that can connect to both of these types of LDAP servers. Instead we have the following 2 options: openldap-clients: […]
The policy book can be thought of as a really big text book, which contains 3 chapters. Chapter 1 – Contains a list of all available security attributes. There are actually 4 lists, one for each type of the differnt types of suecurity attributes user:role:type:level. In the targeted policy, the […]