systemctl status firewalldsystemctl stop firewalldsystemctl disable firewalldsystemctl list-unit-files | grep firesystemctl status avahi-daemonsystemctl stop avahi-daemonsystemctl disable avahi-daemonsystemctl list-unit-files | grep avahi-daemonvi /etc/selinux/config →disabledsystemctl reboot以下、参考https://www.oracle.com/jp/a/tech/docs/technical-resources/19c-sidb-installationguide.pdf●透過的HUGEPAGEの無効化（ついでにnumaも無効化）[root@datag1 data]# cat /sys/kernel/mm/transparent_hugepage/enabled[always] madvise nevercd /etc/default/cp -p grub grub.bkvi grubdiff grub.bk grub< GRUB_CMDLINE_LINUX="rd.lvm.lv=ol/root rd.lvm.lv=ol/swap rhgb quiet"---> GRUB_CMDLINE_LINUX="rd.lvm.lv=ol/root rd.lvm.lv=ol/swap rhgb quiet numa=off transparent_hugepage=never"grub2-mkconfig -o /boot/grub2/grub.cfgsystemctl reboot[root@datag1 ~]# cat /sys/kernel/mm/transparent_hugepage/enabledalways madvise [never]●パッケージインストールrpm -q bcrpm -q binutilsrpm -q elfutils-libelfrpm -q glibcrpm -q glibc-develrpm -q kshrpm -q libaiorpm -q libXrenderrpm -q libX11rpm -q libXaurpm -q libXirpm -q libXtstrpm -q libgccrpm -q libstdc++rpm -q libxcbrpm -q makerpm -q policycoreutilsrpm -q policycoreutils-pythonrpm -q smartmontoolsrpm -q sysstatmount -t cifs -o username=me,password=me //192.168.56.1/fornewpc64 /mntcp /mnt/iso/oraclelinux/V995537-01_Oracle_Linux7.8.iso .mount -o loop -t iso9660 V995537-01_Oracle_Linux7.8.iso /mediacd /etc/yum.repos.d/vi /etc/yum.repos.d/dvd.repo[dvd]name=dvdbaseurl=file:///media/gpgcheck=1enabled=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracleyum-config-manager --disable ol7_latestyum -y install glibc-develyum -y install ksh●カーネルパラメータsysctl -a | grep semsysctl -a | grep shmsysctl -a | grep panic_on_oopssysctl -a | grep file-maxsysctl -a | grep aio-maxsysctl -a | grep ip_local_port_rangesysctl -a | grep rmem_defaultsysctl -a | grep rmem_maxsysctl -a | grep wmem_defaultsysctl -a | grep wmem_maxcp -p /etc/sysctl.conf /etc/sysctl.conf.bkvi /etc/sysctl.conffs.file-max = 6815744net.ipv4.ip_local_port_range = 32768 65500net.core.rmem_default = 262144net.core.rmem_max = 4194304net.core.wmem_default = 262144net.core.wmem_max = 1048576sysctl -psysctl -a | grep file-maxsysctl -a | grep ip_local_port_rangesysctl -a | grep rmem_defaultsysctl -a | grep rmem_maxsysctl -a | grep wmem_defaultsysctl -a | grep wmem_max●OSグループgroupadd -g 54321 oinstallgroupadd -g 54322 dbagroupadd -g 54323 opergroupadd -g 54324 backupdbagroupadd -g 54325 dgdbagroupadd -g 54326 kmdbagroupadd -g 54327 racdba●OSユーザuseradd -u 54321 -g oinstall -G dba,oper,backupdba,dgdba,kmdba,racdba oraclepasswd oracleid oracle ●インストールディレクトリmkdir -p /u01/app/oracle/product/19.0.0/dbhome_1mkdir -p /u01/app/oraInventorychown -R oracle:oinstall /u01/app/oraclechown -R oracle:oinstall /u01/app/oraInventorychmod -R 775 /u01/app●zip展開su - oracleunzip /mnt/oracle19cR3/LINUX.X64_193000_db_home.zip -d /u01/app/oracle/product/19.0.0/dbhome_1●hosts設定echo '192.168.0.2 platinum1 platinum1.localdomain' >> /etc/hostsecho '192.168.56.2 platinum12 platinum12.localdomain' >> /etc/hostsecho '192.168.0.3 emcc emcc.localdomain' >> /etc/hostsecho '192.168.56.3 emcc2 emcc2.localdomain' >> /etc/hosts●DBインストールrootでGUIログインxhost +su - oracleexport DISPLAY=:0.0export LANG=ja_JP.utf8xev ←Xのアプリ（テストで使用）cd /u01/app/oracle/product/19.0.0/dbhome_1./runInstallercd /media/Packagesyum install -y libstdc++-devel-4.8.5-39.0.3.el7.x86_64.rpmyum install -y compat-libcap1-1.10-7.el7.x86_64.rpmyum install -y libaio-devel-0.3.109-13.el7.x86_64.rpmyum install -y glibc-devel-2.17-307.0.1.el7.1.x86_64.rpm/u01/app/oraInventory/orainstRoot.sh/u01/app/oracle/product/19.0.0/dbhome_1/root.shインストール成功●OEM URLhttps://platinum1:5500/em●DB接続su - oraclevi .bash_profileexport ORACLE_BASE=/u01/app/oracleexport ORACLE_SID=orclexport ORACLE_HOME=/u01/app/oracle/product/19.0.0/dbhome_1export PATH=$PATH:$ORACLE_HOME/binexport NLS_LANG=Japanese_Japan.UTF8exitsu - oraclesqlplus / as sysdbashow pdbs