Prerequisites: VM/ Physical – It is recommended to have the time server as a physical server, but VMs should be okay depending on your setup and requirement. My virtual lab environment is VMware based so here’s the guide for a VM. Once the CentOS Minimal is installed on the VM make sure to install open-vm-tools. … Read moreHow to Configure Time Server (NTP Server) on Centos 7?
So ran into a view issue for a Linux Host today. Kernel Panic !!! There could be a number of reasons that you might get this error. The three common reasons may be: There was a change to selinux config – (that might be an error in the config file) There are disk errors The … Read moreLinux: CentOS 6 kernel panic+0xa7/0x16f fix
CentOSÂ guest instances in VMware sometimes come up with the boot error message:
|
1 |
piix4_smbus 0000:00:007.3: Host SMBus controller not enabled! |
This error is being caused because VMware doesn’t actually provide that level interface for CPU access, but Ubuntu try to load the kernel module anyway. How to fix it:
|
1 |
sudo nano /etc/modprobe.d/blacklist.conf |
add the line:
|
1 |
blacklist i2c-piix4 |
Reboot. NOTE: for older versions use blacklist i2c_piix4 … Read more“Host SMBus controller not enabled!â€
It is highly recommended that you have a firewall protecting your server. Pre-Flight Check These instructions are intended specifically for enabling and starting firewalld CentOS 7. I’ll be working from a Liquid Web Self Managed CentOS 7 server, and I’ll be logged in as root. Check the Status of Firewalld To check the status of … Read moreHow to Start and Enable Firewalld on CentOS 7
After installing RHEL/CentOS 7 minimal, You may not able to connect network in that machine. This will happen because Ethernet interfaces are not enabled by default. This guide explain you to setup network on RHEL/CentOS 7. Setup network on CentOS 7 minimal First, type “nmcli d†command in your terminal for quick list ethernet card … Read moreHow to setup network after RHEL/CentOS 7 minimal installation