Diagnosing Kernel Panics on CentOS 7

Sometimes I have had to diagnose problems with Kernel but it is so sporadic that I always forget the steps to take information to know what the problem comes from, so this is a little guide just to remember what I did the last time. I also give some advice to prevent what happened to …

Fixing time out waiting for LVM2 devices booting CentOS 7

After my last system update I started to experiment troubles in the booting process, my server couldn't to finish the process with any of kernel images installed on CentOS. I checked booting with the rescue image which hadn't problems detecting LVM2 devices but appeared the same time out with RAID device. Fortunately the rescue image …

Set up RAID 1 (Mirroring) on CentOS 7

This entry explains steps which I followed to set up storage to BackupPC software. Obviously the right choice to set up storage settings depends on your hardware and your needs. In my case I decided to use my HP ProLiant MicroServer Gen8 G1610T as my backup server and I wanted to be safe enough to …

How safely free space in /boot

I have to admit that I'm a newbie using CentOS, that was the point because I decided install it on my server to learn from practice. I'm get used to managing my Debian GNU/Linux box and there are things that I have to write just to remember them, that's the reason for this entry. Updating …

Quick fix to BackupPC start on CentOS 7

A reader had commented that he had a problem when BackupPC service started and some actions needed to be done to fix the service start, this comment was related to this previous entry, if you get this message when the service is started, you could try the following fix: $ /usr/share/BackupPC/bin/BackupPC_serverMesg status info Can't connect …

Install and set up BackupPC on CentOS 7

Before going deep with the instructions to install and setup this backup solution you could want to check how I prepare the storage to be used with BackupPC, in my case I choose RAID1 using two hard drives. At this time I want to explain steps that I followed to install and set up BackupPC …