CentOS

RHEL 7 Documentation

NTP

Description	Command
Install byobu	yum -y install epel-release yum -y install byobu
Enable byobu	byobu-enable
Enable NTP	yum install -y ntp systemctl enable ntpd systemctl start ntpd
Synchronize with NTP server	systemctl stop ntpd ntpdate pool.ntp.org systemctl start ntpd
Check date & time and NTP status	timedatectl

SELinux

Description	Command
Install SETools and SETroubleshoot	yum install setroubleshoot setools
Analyze the audit log used by SELinux	sealert -a /var/log/audit/audit.log

Installing Plex

https://linode.com/docs/applications/media-servers/install-plex-media-server-on-centos-7/

https://forums.plex.tv/discussion/164112/plex-media-server-on-minimal-centos-7-0

NFS

https://www.unixmen.com/setting-nfs-server-client-centos-7/

https://www.howtoforge.com/nfs-server-and-client-on-centos-7

Mounting on Windows: https://graspingtech.com/mount-nfs-share-windows-10/

• Not recommended for transferring files in Korean -- use SMB instead. Windows 에서 NFS를 통해 한글 파일 이름이 바르게 지원되지 않습니다 (NFSv4.1에서만 가능 -- 윈도우는 아직 지원하지 않음)

RPM

• Making RPM package

Partition

• Resize LVM partitions

Firewall

Opening ports