systemctl status firewalld
systemctl stop firewalld
systemctl disable firewalld
systemctl list-unit-files | grep fire
systemctl status avahi-daemon
systemctl stop avahi-daemon
systemctl disable avahi-daemon
systemctl list-unit-files | grep avahi-daemon
vi /etc/selinux/config →disabled
systemctl 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 never
cd /etc/default/cp -p grub grub.bkvi grub
diff 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 sysstat
yum -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_max
cp -p /etc/sysctl.conf /etc/sysctl.conf.bk
vi /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 = 1048576
sysctl -p
sysctl -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 oracle
id oracle