NTP Issue: How to solve “No Current Time Source.”?
Lets see a common NTP error message and its solution what to check when we have an error “No Current Time Source”. I. Error Message "No Current Time Source." ...
Tag: network
-
-
NTP Issue: How to solve “NTP Syncing against LOCAL.”error ?
In this post, we will see one of the common NTP issue and its solution. I. Error Message "NTP Syncing against LOCAL." II. Meaning of this error message NTP...
-
Solved: NFS shares are not visible on the NFS client ?
Suppose you have exported the NFS share from the server, however its not visible on the client. Hence to troubleshoot this, we need to check if the NFS port is...
-
Part 1: Introduction to Openstack: What is openstack ?
From this tutorial, we will start learning about Openstack and its certification. We will go through what all is required to clear its certification i.e. redhat openstack certification. I. Types...
-
Part 12: How to make IP address of any VM/Application static on GCP ?
In this post, we will see how to make a machine/application IP address static over google cloud network. By default, its dynamic IP Address and it will change each time...
-
How to get network address of fibre channels and scan new storage in AIX ?
Today we will how to scan new storage in AIX, once the LUNs are allocated by storage team. 1. Scan new storage after LUNs allocated. # To scan after storage...
-
How to use hponcfg tool in Linux to reset ILO password ?
Today in this post, we will look how to use HPONCFG tool to reset ILO password from the installed Linux OS. 1. First Step is to get existing ILO configuration...
-
Explanation of Firewalld in Linux RHEL 7, or Centos 7 and how to work with it.
Similar to IPTables, firewalld is a user space utility program to manage Linux system firewall. Firewalld and IPtables both use the same kernel module i.e. NetFilter. As a result, only...
-
NIS Server in RHEL/CentOS Linux – Installation, Configuration, Interview Questions, & Tips
1. Introduction Network Information Service or NIS were originally named as Yellow Pages or YP is a directory service protocol used for distributing system configuration data across the network. System...
-
Difference between bonding and teaming in Linux ?
In this post, we will look at the differences between teaming and bonding implementation in Linux. Teaming driver is introduced with RHEL 7 and is considered before bonding. Let us...