:::: gangserver's blog ::::

# Install the repository RPM: $ sudo yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm # Install PostgreSQL: $ sudo yum install -y postgresql12-server # Optionally initialize the database and enable automatic start: $ sudo /usr/pgsql-12/bin/postgresql-12-setup initdb $ sudo systemctl enable postgresql-12 $ sudo systemctl start po..

$ systemctl list-unit-files --type=service | grep snmp* snmpd.service disabled snmptrapd.service disabled service all $ systemctl list-unit-files --type=service UNIT FILE STATE abrt-ccpp.service enabled abrt-oops.service enabled abrt-pstoreoops.service disabled abrt-vmcore.service enabled abrt-xorg.service enabled abrtd.service enabled accounts-daemon.service enabled alsa-restore.service static ..

$ cat /etc/redhat-release CentOS Linux release 7.8.2003 (Core) $ cat /etc/*release* CentOS Linux release 7.8.2003 (Core) Derived from Red Hat Enterprise Linux 7.8 (Source) NAME="CentOS Linux" VERSION="7 (Core)" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="7" PRETTY_NAME="CentOS Linux 7 (Core)" ANSI_COLOR="0;31" CPE_NAME="cpe:/o:centos:centos:7" HOME_URL="https://www.centos.org/" BUG_REPORT_URL=..