RAID array migration from CentOS 7 to Debian GNU/Linux 10 (upgrading drives)

After installing Debian GNU/Linux Testing (Bullseye) on my HP Proliant G8 Microserver in a new SSD drive, I have to setup an already created RAID array on my new fresh Linux installation and upgrade disks in that array at the same time, these are the steps which I followed: Scan RAID arrays # mdadm --detail … Continue reading RAID array migration from CentOS 7 to Debian GNU/Linux 10 (upgrading drives)

Recover information when pfsense router doesn’t boot

In this entry I'm going to explain how I could recover information from my router (APU1D4) when router doesn't boot. Since a couple of days I get this error message booting device: elf64_loadimage: failed to read section headers I have to say that I had installed pfSense 2.4.2-RELEASE on my router, this distribution is based … Continue reading Recover information when pfsense router doesn’t boot

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 … Continue reading Quick fix to BackupPC start on CentOS 7