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- [root@localhost boot]# ls -ltr
- total 89176
- -rw-------. 1 root root 2840084 Jun 30 07:17 System.map-3.10.0-123.el7.x86_64
- -rw-r--r--. 1 root root 122059 Jun 30 07:17 config-3.10.0-123.el7.x86_64
- -rwxr-xr-x. 1 root root 4902656 Jun 30 07:17 vmlinuz-3.10.0-123.el7.x86_64
- -rw-r--r--. 1 root root 228562 Jun 30 07:20 symvers-3.10.0-123.el7.x86_64.gz
- drwxr-xr-x. 2 root root 4096 Nov 21 05:27 extlinux
- drwxr-xr-x. 2 root root 26 Nov 21 05:28 grub
- -rw-r--r--. 1 root root 867424 Nov 21 05:38 initrd-plymouth.img
- -rw-r--r--. 1 root root 42219459 Nov 21 05:39 initramfs-0-rescue-4d161cb1c811459b927aed6f75f7deed.img
- -rwxr-xr-x. 1 root root 4902656 Nov 21 05:39 vmlinuz-0-rescue-4d161cb1c811459b927aed6f75f7deed
- -rw-r--r--. 1 root root 17637360 Nov 21 05:40 initramfs-3.10.0-123.el7.x86_64.img
- -rw-r--r--. 1 root root 17584068 Nov 21 11:59 initramfs-3.10.0-123.el7.x86_64kdump.img
- drwxr-xr-x. 6 root root 104 Nov 25 02:52 grub2
- [root@localhost boot]# fdisk -l
- WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
- Disk /dev/sda: 250.1 GB, 250059350016 bytes, 488397168 sectors
- Units = sectors of 1 * 512 = 512 bytes
- Sector size (logical/physical): 512 bytes / 512 bytes
- I/O size (minimum/optimal): 512 bytes / 512 bytes
- Disk label type: gpt
- # Start End Size Type Name
- 1 2048 206847 100M EFI System EFI system partition
- 2 206848 468991 128M Microsoft reser Microsoft reserved partition
- 3 468992 348162047 165.8G Microsoft basic Basic data partition
- 4 348162048 348164095 1M BIOS boot parti
- 5 348164096 349188095 500M Microsoft basic
- 6 349188096 488396799 66.4G Linux LVM
- Disk /dev/mapper/centos-swap: 8262 MB, 8262778880 bytes, 16138240 sectors
- Units = sectors of 1 * 512 = 512 bytes
- Sector size (logical/physical): 512 bytes / 512 bytes
- I/O size (minimum/optimal): 512 bytes / 512 bytes
- Disk /dev/mapper/centos-root: 42.3 GB, 42341498880 bytes, 82698240 sectors
- Units = sectors of 1 * 512 = 512 bytes
- Sector size (logical/physical): 512 bytes / 512 bytes
- I/O size (minimum/optimal): 512 bytes / 512 bytes
- Disk /dev/mapper/centos-home: 20.7 GB, 20669530112 bytes, 40370176 sectors
- Units = sectors of 1 * 512 = 512 bytes
- Sector size (logical/physical): 512 bytes / 512 bytes
- I/O size (minimum/optimal): 512 bytes / 512 bytes
- [root@localhost boot]# bklid
- bash: bklid: command not found...
- Similar command is: 'blkid'
- [root@localhost boot]# blkid
- /dev/sr0: UUID="2011-04-12-02-38-58-00" LABEL="GSP1RMCPRXFRER_EN_DVD" TYPE="udf"
- /dev/sda1: UUID="20DD-5268" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="ef67b4eb-4514-4824-a1ba-d8d045e96f26"
- /dev/sda3: UUID="EAD6EA4AD6EA169B" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="fa8c0ee9-2913-45ec-b016-0c6eb2e4aab8"
- /dev/sda5: UUID="368a42d5-e9f9-4c81-81e2-70afe2344b6b" TYPE="xfs" PARTUUID="7447a676-d39b-46fc-948b-f1c4a3b4bf9c"
- /dev/sda6: UUID="VfFTVf-Rdy5-kLFT-Zyys-PIEf-PnOo-gSZfLZ" TYPE="LVM2_member" PARTUUID="b2677b42-22fb-42f8-a287-77ad0638b674"
- /dev/mapper/centos-swap: UUID="155e4385-547c-4c0b-94bd-13882f078548" TYPE="swap"
- /dev/dm-2: UUID="a4709eae-75fd-4423-8f11-64762df974df" TYPE="xfs"
- /dev/dm-1: UUID="24a077fa-6b00-4da0-9d07-34048d84d853" TYPE="xfs"
- #
- # DO NOT EDIT THIS FILE
- #
- # It is automatically generated by grub2-mkconfig using templates
- # from /etc/grub.d and settings from /etc/default/grub
- #
- ### BEGIN /etc/grub.d/00_header ###
- set pager=1
- if [ -s $prefix/grubenv ]; then
- load_env
- fi
- if [ "${next_entry}" ] ; then
- set default="${next_entry}"
- set next_entry=
- save_env next_entry
- set boot_once=true
- else
- set default="${saved_entry}"
- fi
- if [ x"${feature_menuentry_id}" = xy ]; then
- menuentry_id_option="--id"
- else
- menuentry_id_option=""
- fi
- export menuentry_id_option
- if [ "${prev_saved_entry}" ]; then
- set saved_entry="${prev_saved_entry}"
- save_env saved_entry
- set prev_saved_entry=
- save_env prev_saved_entry
- set boot_once=true
- fi
- function savedefault {
- if [ -z "${boot_once}" ]; then
- saved_entry="${chosen}"
- save_env saved_entry
- fi
- }
- function load_video {
- if [ x$feature_all_video_module = xy ]; then
- insmod all_video
- else
- insmod efi_gop
- insmod efi_uga
- insmod ieee1275_fb
- insmod vbe
- insmod vga
- insmod video_bochs
- insmod video_cirrus
- fi
- }
- terminal_output console
- if [ x$feature_timeout_style = xy ] ; then
- set timeout_style=menu
- set timeout=5
- # Fallback normal timeout code in case the timeout_style feature is
- # unavailable.
- else
- set timeout=5
- fi
- ### END /etc/grub.d/00_header ###
- ### BEGIN /etc/grub.d/10_linux ###
- menuentry 'CentOS Linux, with Linux 3.10.0-123.el7.x86_64' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-123.el7.x86_64-advanced-24a077fa-6b00-4da0-9d07-34048d84d853' {
- load_video
- set gfxpayload=keep
- insmod gzio
- insmod part_gpt
- insmod xfs
- set root='hd0,gpt5'
- if [ x$feature_platform_search_hint = xy ]; then
- search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt5 --hint-efi=hd0,gpt5 --hint-baremetal=ahci0,gpt5 --hint='hd0,gpt5' 368a42d5-e9f9-4c81-81e2-70afe2344b6b
- else
- search --no-floppy --fs-uuid --set=root 368a42d5-e9f9-4c81-81e2-70afe2344b6b
- fi
- linux16 /vmlinuz-3.10.0-123.el7.x86_64 root=UUID=24a077fa-6b00-4da0-9d07-34048d84d853 ro rd.lvm.lv=centos/swap vconsole.font=latarcyrheb-sun16 rd.lvm.lv=centos/root crashkernel=auto vconsole.keymap=us rhgb quiet
- initrd16 /initramfs-3.10.0-123.el7.x86_64.img
- }
- menuentry 'CentOS Linux, with Linux 0-rescue-4d161cb1c811459b927aed6f75f7deed' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-0-rescue-4d161cb1c811459b927aed6f75f7deed-advanced-24a077fa-6b00-4da0-9d07-34048d84d853' {
- load_video
- insmod gzio
- insmod part_gpt
- insmod xfs
- set root='hd0,gpt5'
- if [ x$feature_platform_search_hint = xy ]; then
- search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt5 --hint-efi=hd0,gpt5 --hint-baremetal=ahci0,gpt5 --hint='hd0,gpt5' 368a42d5-e9f9-4c81-81e2-70afe2344b6b
- else
- search --no-floppy --fs-uuid --set=root 368a42d5-e9f9-4c81-81e2-70afe2344b6b
- fi
- linux16 /vmlinuz-0-rescue-4d161cb1c811459b927aed6f75f7deed root=UUID=24a077fa-6b00-4da0-9d07-34048d84d853 ro rd.lvm.lv=centos/swap vconsole.font=latarcyrheb-sun16 rd.lvm.lv=centos/root crashkernel=auto vconsole.keymap=us rhgb quiet
- initrd16 /initramfs-0-rescue-4d161cb1c811459b927aed6f75f7deed.img
- }
- if [ "x$default" = 'CentOS Linux, with Linux 3.10.0-123.el7.x86_64' ]; then default='Advanced options for CentOS Linux>CentOS Linux, with Linux 3.10.0-123.el7.x86_64'; fi;
- ### END /etc/grub.d/10_linux ###
- ### BEGIN /etc/grub.d/20_linux_xen ###
- ### END /etc/grub.d/20_linux_xen ###
- ### BEGIN /etc/grub.d/20_ppc_terminfo ###
- ### END /etc/grub.d/20_ppc_terminfo ###
- ### BEGIN /etc/grub.d/30_os-prober ###
- ### END /etc/grub.d/30_os-prober ###
- ### BEGIN /etc/grub.d/40_custom ###
- # This file provides an easy way to add custom menu entries. Simply type the
- # menu entries you want to add after this comment. Be careful not to change
- # the 'exec tail' line above.
- ### END /etc/grub.d/40_custom ###
- ### BEGIN /etc/grub.d/41_custom ###
- if [ -f ${config_directory}/custom.cfg ]; then
- source ${config_directory}/custom.cfg
- elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
- source $prefix/custom.cfg;
- fi
- ### END /etc/grub.d/41_custom ###
- menuentry 'Windows 7 (loader) (on /dev/sda3)' --class windows --class os $menuentry_id_option 'osprober-chain-EAD6EA4AD6EA169B' {
- insmod part_gpt
- insmod ntfs
- set root='hd0,gpt3'
- if [ x$feature_platform_search_hint = xy ]; then
- search --no-floppy --fs-uuid --set=root βhint-bios=hd0,gpt3 --hint-efi=hd0,gpt3 --hint-baremetal=ahci1, gpt3 EAD6EA4AD6EA169B
- else
- search --no-floppy --fs-uuid --set=root EAD6EA4AD6EA169B
- fi
- chainloader +1
- }
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