Issue OverviewI 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 -> 219-57.…
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 configured for datavg, but the filesystem…
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) Open a shell on the console (e.g. Alt + F4) Get the IP address (ifconfig -a) Start the sshd daemon using the anaconda config sshd -f /etc/ssh/sshd_config.anaconda -D connect using your ssh…
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 errors such…