Issue Overview I came across a bug/situation, where the needs-restarting utility falsely claims I need to reboot, even though it is a brand new system with a fresh OS, and I have restarted many times. [root@linux-server ~]# needs-restarting --reboothint Core libraries or services have been updated: systemd ->…
I encountered this on CentOS 7.2 Overview A server had a bad entry in /etc/fstab. This wasn't critical for the operation of the Linux OS (i.e. it wasn't / , /var etc), just a data filesystem. In this case, LVM hadn't quite been…
How to configure Multipath IO in CentOS SAN Storage Configuration Perform preliminary configuration steps within the storage controller, FC switches e.g.: * LUN Creation * FC zoning * LUN Masking Install Multipath Driver yum install device-mapper-multipath systemctl enable multipathd systemctl start multipathd Scan the FC HBA device for new LUNs * The device…
To enable sshd in anaconda linux installer: (ignore the host key problem error message) 1. Open a shell on the console (e.g. Alt + F4) 2. Get the IP address (ifconfig -a) 3. Start the sshd daemon using the anaconda config sshd -f /etc/ssh/sshd_config.anaconda -D 4.…
When experimenting with dracut custom initrd builds for Linux to support Dell megaraid, I came across some errors. If you're using dracut to build an initrd for a different system, you may need to add hostonly=no to your command line arguments. Without this approach, you may get…