Jeff Moe
4 years ago
parent
264177d09d
commit
2ffb2062a3
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Encrypted root partitions
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RAID partitions
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Move installer ssh to port other than 22
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Use local debian mirror
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sshd_config
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vim config
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Private LAN between data centers
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am6 is on slower serial console ?
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Set up partitioning
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set up second ethernet interface
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SSH keys per project, auto-generate
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@ -0,0 +1,196 @@
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# Crypto with LVM
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d-i partman-auto/disk string /dev/sda
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d-i partman-auto/method string crypto
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# When disk encryption is enabled, skip wiping the partitions beforehand.
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d-i partman-auto-crypto/erase_disks boolean true
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# max swap size
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d-i partman-auto/cap-ram string 4096
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# File to load for expert recipe
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# d-i partman-auto/expert_recipe_file string <string>
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### Description: Encryption passphrase:
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# You need to choose a passphrase to encrypt ${DEVICE}.
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# .
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# The overall strength of the encryption depends strongly on this
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# passphrase, so you should take care to choose a passphrase that is
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# not easy to guess. It should not be a word or sentence found in
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# dictionaries, or a phrase that could be easily associated with you.
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# .
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# A good passphrase will contain a mixture of letters, numbers and
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# punctuation. Passphrases are recommended to have a length of 20 or
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# more characters.
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# d-i partman-crypto/passphrase password <password>
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### Description: Re-enter passphrase to verify:
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# Please enter the same passphrase again to verify that you have typed it
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# correctly.
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# d-i partman-crypto/passphrase-again password <password>
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### Description: Devices to encrypt:
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# Please select the devices to be encrypted.
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# .
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# You can select one or more devices.
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# d-i partman-crypto/create/partitions multiselect <choice(s)>
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# Possible choices: ${PARTITIONS}
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#### partman-md_90_all.udeb
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# d-i partman-auto/select_disk select <choice>
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d-i partman-auto/select_disk select /dev/sda
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d-i partman/default_filesystem string ext4
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# ls -l /dev/sd* /dev/nvme*
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crw------- 1 root root 246, 0 Feb 9 18:27 /dev/nvme0
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brw------- 1 root root 259, 0 Feb 9 21:19 /dev/nvme0n1
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crw------- 1 root root 246, 1 Feb 9 18:27 /dev/nvme1
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brw------- 1 root root 259, 1 Feb 9 21:19 /dev/nvme1n1
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brw------- 1 root root 8, 0 Feb 9 21:23 /dev/sda
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brw------- 1 root root 8, 1 Feb 9 21:23 /dev/sda1
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brw------- 1 root root 8, 5 Feb 9 21:23 /dev/sda5
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brw------- 1 root root 8, 16 Feb 9 21:19 /dev/sdb
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# Non-LUKS, non-RAID version
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# fdisk -l /dev/sda
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Disk /dev/sda: 223.6 GiB, 240057409536 bytes, 468862128 sectors
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/dev/sda1 /boot 1G
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/dev/sda2 SWAP 4G
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/dev/sda3 / 50G
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/dev/sda4 /home 169G
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Disk /dev/sda: 223.6 GiB, 240057409536 bytes, 468862128 sectors
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Units: sectors of 1 * 512 = 512 bytes
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Sector size (logical/physical): 512 bytes / 4096 bytes
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I/O size (minimum/optimal): 4096 bytes / 4096 bytes
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Disklabel type: dos
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Disk identifier: 0x71de2bac
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Device Boot Start End Sectors Size Id Type
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/dev/sda1 * 2048 2099199 2097152 1G 83 Linux
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/dev/sda2 2099200 10487807 8388608 4G 82 Linux swap / Solaris
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/dev/sda3 10487808 115345407 104857600 50G 83 Linux
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/dev/sda4 115345408 468862127 353516720 168.6G 83 Linux
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# fdisk -l /dev/sdb
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Disk /dev/sda: 223.6 GiB, 240057409536 bytes, 468862128 sectors
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/dev/sdb1 FREE 224G
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# fdisk -l /dev/nvme0n1
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Disk /dev/nvme0n1: 3.5 TiB, 3840755982336 bytes, 7501476528 sectors
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GPT
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/dev/nvme0n1p1 FREE 3.5T
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# fdisk -l /dev/nvme1n1
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Disk /dev/nvme1n1: 3.5 TiB, 3840755982336 bytes, 7501476528 sectors
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GPT
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/dev/nvme1n1p1 FREE 3.5T
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#############################
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# Simple partition:
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d-i partman-auto/select_disk select /dev/sda
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partman-auto/text/atomic_scheme ::
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500 10000 1000000 ext4
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$primary{ }
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$bootable{ }
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method{ format }
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format{ }
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use_filesystem{ }
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filesystem{ ext4 }
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mountpoint{ / } .
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64 512 300% linux-swap
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method{ swap }
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format{ } .
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####################
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# Ubuntu LVM + encryption
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#Partitioning
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d-i partman-auto/disk string /dev/sda
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d-i partman-lvm/device_remove_lvm boolean true
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d-i partman-md/device_remove_md boolean true
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d-i partman-lvm/confirm boolean true
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d-i partman-auto-lvm/guided_size string max
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d-i partman-auto/method string crypto
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d-i partman-auto/choose_recipe select boot-crypto
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d-i partman-auto-lvm/new_vg_name string crypt
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d-i partman-auto/expert_recipe string boot-crypto :: \
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250 35 250 ext4 $primary{ } $bootable{ } \
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method{ format } format{ } \
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use_filesystem{ } filesystem{ ext4 } \
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mountpoint{ /boot } \
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.\
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3072 75 3072 ext4 $lvmok{ } lv_name{ root } \
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in_vg { crypt } method{ format } format{ } \
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use_filesystem{ } filesystem{ ext4 } mountpoint{ / } \
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.\
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100% 75 100% linux-swap $lvmok{ } lv_name{ swap } \
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in_vg { crypt } method{ swap } format{ } \
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.\
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2048 50 3072 ext4 $lvmok{ } lv_name{ usr } \
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in_vg { crypt } method{ format } format{ } \
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use_filesystem{ } filesystem{ ext4 } mountpoint{ /usr } \
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.\
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512 50 1024 ext4 $lvmok{ } lv_name{ tmp } \
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in_vg { crypt } method{ format } format{ } \
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use_filesystem{ } filesystem{ ext4 } mountpoint{ /tmp } \
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.\
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256 25 1000000 ext4 $lvmok{ } lv_name{ home } \
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in_vg { crypt } method{ format } format{ } \
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use_filesystem{ } filesystem{ ext4 } mountpoint{ /home } \
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.\
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d-i partman-partitioning/confirm_write_new_label boolean true
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d-i partman/choose_partition select finish
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d-i partman/confirm boolean true
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d-i partman/confirm_nooverwrite boolean true
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#########################################################################
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Feb 9 22:28:49 netcfg[1038]: INFO: ethtool-lite: ens3f0: carrier up
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Feb 9 22:28:49 netcfg[1038]: INFO: Found link on ens3f0
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Feb 9 22:28:49 netcfg[1038]: INFO: found link on interface ens3f0, making it the default.
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Feb 9 22:28:49 netcfg[1038]: INFO: Could not find valid BOOTIF= entry in /proc/cmdline
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Feb 9 22:28:49 netcfg[1038]: INFO: Taking down interface ens3f0
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Feb 9 22:28:49 netcfg[1038]: INFO: Taking down interface ens3f1
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Feb 9 22:28:49 netcfg[1038]: INFO: Taking down interface lo
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Feb 9 22:28:49 netcfg[1038]: INFO: Activating interface ens3f0
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...
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Feb 9 22:29:44 md-devices: mdadm: No arrays found in config file or automatically
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Feb 9 22:29:45 kernel: [ 60.363875] device-mapper: uevent: version 1.0.3
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Feb 9 22:29:45 kernel: [ 60.363948] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com
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Feb 9 22:29:45 partman: No matching physical volumes found
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Feb 9 22:29:45 partman: Reading all physical volumes. This may take a while...
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##################################################################################
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### GPT
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d-i partman-basicfilesystems/choose_label string gpt
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d-i partman-basicfilesystems/default_label string gpt
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d-i partman-partitioning/choose_label string gpt
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d-i partman-partitioning/default_label string gpt
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d-i partman/choose_label string gpt
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d-i partman/default_label string gpt
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