NEC Express Server Express5800 Series Installation Manual page 60

Chapter 1 Installing Operating System
15. Changing the default setting of systemd
If systemd runs while the default setting remains unchanged, a problem occurs in the semaphore of the
IPC (interprocess communication) or the shared memory. Add the setting to the
"/etc/systemd/logind.conf" file to avoid this problem.
RemoveIPC=no
16. Creation of backup file
If the file is modified while running initial configuration script, the backup file immediately before applying
the script is created in the following directory.
/opt/nec/setup/backup/rhel7_2_x86_64_nec_setup _<date>_<Boot kernel>
* Depending on an environment where the initial configuration script is to be applied, it may not
need to modify the file. In such a case, no directory or no file is created under the backup
directory.
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Express5800/R320e-E4, R320e-M4 Installation Guide (Linux)
4. Appendix