NTP – Setup an NTP Server on CentOS/RHEL 7
Here we’ll cover how to setup an ntp server that’s using it’s own system time as an accurate time provider, and also setup an ntp peer.
Postfix – Set up a Postfix Null Client on RHEL/CentOS 7
Here’s a step-by-step walkthrough on how to setup a Null client using Postfix.
NTP – Keeping System time in sync on CentOS/RHEL 7
There are two main clocks in your machine: hardware clock – This clock is operated on your machine’s motherboard system-clock (aka system-time) – This is your operating system’s clock So when you start your machine, the first clock that your machine uses for timekeeping is the hardware clock, while the OS is booting up, the […]
Samba – How to set up a Samba client on CentOS/RHEL 7
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 want share folders to other […]
Samba – Set up CIFS Server on RHEL/CentOS 7
If you have directories on your machine that you want to share out to other machines, including Windows based machine then you can do this by setting up your machine as a Samba/CIFS server.
NFS – Use Kerberos to control NFS access on CentOS/RHEL 7
The NFS setups we’ve covered so far didn’t have any authentication or encryption setup. To some extent that wasn’t needed since NFS only works inside internal networks. However it is possible to setup authentication+encryption using Kerberos.
NFS – Set up private group folders
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 follow along this article using […]
NFS – How to set up an NFS client on CentOS/RHEL 7
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 the public internet. This article […]
NFS – Set up an NFS server on CentOS/RHEL 7
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 system as an NFS server.
DNS – Connectiong a CentOS/RHEL 7 client to an internal DNS server
If you want to override the dhcp provided dns server, to a custom dns server, then you need to make the configuration via NetworkManager.