Since Centos 7 came out there has been a significantly growth in the number of core files appearing on machines I look after. Since these machines are all package built and maintained with YUM from the CENTOSrepositories then that is a bit of a worrying trend. As an aside, I’ve also noticed the number of package …
Repairing CENTOS 7 Journal Corruption
Most Linux distributions use to use flat text files to store logging information of both user and system processes prior to systemd being introduced. For decades this has worked quite well, however with the introduction of Systemd in the Red Hat/CENTOS 7 distribution, the logging of system processes is primary logged via the systemd-journald service. …
Striping Logical Volumes
A Logical Volume (LV) is created from a Logical Volume Manager (LVM) Volume Group (VG). The VG is the central storage component in an LVM based system, a VG can contain one or more Physical Volumes (PV), which are basically disks presented to the files system, partitioned as an LVM disk and then converted to …