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Thursday, November 21, 2019

Get IPMI IP address from OS

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  First check that you have ipmitool installed: [root@lykan ~]# yum provides ipmitool Last metadata expiration check: 0:06:54 ago on Thu 21 ...
Tuesday, October 1, 2019

Improve user experience using QEMU/KVM with Windows guest

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A lot of sysadmins, SRE o wherever you want to call us, using native Linux in our laptops have the need to use virtual machines running Wind...
Thursday, May 23, 2019

fake_pxe as pm_type in RHOSP13 (TripleO + OpenStack Queens)

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So, in RHOSP13 fake_pxe is being deprecated to change in RHOSP14 for manual management, the problem is that is just in between the migration...
Tuesday, May 21, 2019

How to Boot into Single User Mode in CentOS/RHEL 7

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DISCLAIMER: This is not my post is only a copy, in case the original gets deleted or whatever, posting on my personal blog gets easier for m...
Wednesday, April 17, 2019

XFS online resize

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  You're working on an XFS filesystem, in this case, you need to use xfs_growfs instead of resize2fs. Two commands are needed to perform...
Friday, April 5, 2019

Convert string <-> int64 using golang #go-nuts

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I believe that if you are going to work with timestamps is better to do it in epoch stamps, so in GO epoch is type int64. package main impo...
Wednesday, December 12, 2018

How to disable Cloud-Init in a EL-like Cloud Image

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So this one is pretty simple. However, I found a lot of misinformation along the way, so I figured that I would jot the proper (and most sim...