RHEL articles

17 posts

RHEL

The path “” is not a valid path to the kernel headers

14 June 2016·1 min readArchive

Issue You are trying to install vmware-tools on RHEL / CentOS 7 You are stuck with the below error. The path “” is not a valid path to the 3.10.0-327.el7.x86_64 kernel headers. Solution You have to...

Read article →
RHEL

fatal: parameter inet_interfaces: no local interface found for ::1

11 June 2016·1 min readArchive

Issue You are note able to restart / start postfix and getting the below error. fatal: parameter inet_interfaces: no local interface found for ::1 Solution Edit the file /etc/postfix/main.cf vim...

Read article →
RHEL

CentOS 7 / RHEL 7 – AWS ec2 – how to set hostname persistent across reboots

7 February 2016·1 min readArchive

Issue how to set hostname persistent across reboots in CentOS 7 / RHEL 7 on AWS ec2 CentOS 7 / RHEL 7 Hostname changes after reboots in aws ec2 Solution Set the hostname with the below command...

Read article →
RHEL

How to Change the boot order in grub2 RHEL / CentOS 7

14 January 2016·1 min readArchive

Issue How to change the boot order in RHEL 7 / CentOS 7 / OEL 7 How to set default boot to windows on Dual boot on the above environments. Solution In boot menu, the number starts with 0, so the 3rd...

Read article →
RHEL

Add new LUN or Disk, or Resize the LUN or Disk on a Linux without a reboot

16 October 2013·1 min readArchive

We often need to add or modify a disk to a running server. In this article, we will see how you can Add new LUN or Disk, or Resize the LUN or Disk on a Linux without a reboot Scenario 1 – Add a new...

Read article →

Reading this because your AWS bill or uptime is a problem?

30 minutes, direct with the founder, no sales pitch: one specific recommendation for your AWS workload.

Book a free 30-minute review
30 min Free Consultation →