三歩あるけば物も忘れる

システム情報を確認する。

https://access.redhat.com/ja/articles/1307383

cat /proc/cpuinfo
lscpu

cat /proc/meminfo
lsmem status

lsblk -o +FSTYPE,UUID,LABEL
fdisk -l -o +UUID
cat /etc/fstab

hostnamectl status
cat /etc/hostname

locale
localectl status
cat /etc/locale.conf

timedatectl status
cat /etc/localtime

[ -d /sys/firmware/efi ] && echo "UEFI Boot Detected" || echo "Legacy BIOS Boot Detected"
  #BIOSの場合
  Legacy BIOS Boot Detected
  
  #UEFIの場合
  UEFI Boot Detected

systemctl list-unit-files | sed -e "s/[[:space:]]\+/\t/g" | sed -e ':loop; N; $!b loop; ;s/\n[[:space:]]/\t/g'

yum list installed| sed -e "s/[[:space:]]\+/\t/g" | sed -e ':loop; N; $!b loop; ;s/\n[[:space:]]/\t/g'