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Update ssh, users, disks.txt

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IntenseWebs 2024-05-05 08:23:06 -05:00
parent 5e3acf7540
commit 34bf28f977
3 changed files with 68 additions and 18 deletions
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2
02-ssh-help.txt
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@ -11,7 +11,7 @@ apt install sudo
----------------------------------------------------------
# ADD username to /etc/sudoers right under root user
vi /etc/sudoers
username ALL=(ALL) ALL
username ALL=(ALL:ALL) ALL
----------------------------------------------------------
# vi /etc/sudoers.d/mynewuser
# mynewuser ALL=(ALL) NOPASSWD: ALL

26
disks.txt
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@ -5,39 +5,39 @@
# pvs, vgs, lvs, pvdisplay, vgdisplay, lvdisplay
# WIPE DESTROY DISK CONTENTS
umount /dev/sdb1
dd if=/dev/zero of=/dev/sdb bs=512 count=1
# shred -n 5 -vz /dev/sdb
# scrub -p dod /dev/sdb
umount /dev/vgiso/iso && umount /dev/vgvm/vm && umount /dev/vgbackups/backups
dd if=/dev/zero of=/dev/sdb bs=512 count=1
# PARTITION ON CMD LINE
# cfdisk /dev/sdb
fdisk /dev/sdb # then m, p, g, n, w, q
Device Start End Sectors Size Type
/dev/sdb1 419432448 1258293247 838860800 400G Linux filesystem
/dev/sdb2 1258293248 2306869247 1048576000 500G Linux filesystem
/dev/sdb3 2306869248 3907028991 1600159744 763G Linux filesystem
mkfs.ext4 -L ISO /dev/sdb1
mkfs.ext4 -L VM /dev/sdb2
/dev/sdb1 419432448 838862847 419430400 200G Linux filesystem
/dev/sdb2 838862848 1048578047 209715200 100G Linux filesystem
/dev/sdb3 1048578048 3907028991 2858450944 1.3T Linux filesystem
mkfs.ext4 -L VM /dev/sdb1
mkfs.ext4 -L ISO /dev/sdb2
mkfs.ext4 -L BACKUPS /dev/sdb3
# CREATE LVM VOLUME(s)
pvcreate /dev/sdb1
vgcreate vgiso /dev/sdb1
lvcreate vgiso -l 100%FREE -n iso
pvcreate /dev/sdb2
vgcreate vgvm /dev/sdb2
vgcreate vgvm /dev/sdb1
lvcreate vgvm -l 100%FREE -n vm
pvcreate /dev/sdb2
vgcreate vgiso /dev/sdb2
lvcreate vgiso -l 100%FREE -n iso
pvcreate /dev/sdb3
vgcreate vgbackups /dev/sdb3
lvcreate vgbackups -l 100%FREE -n backups
# lvcreate vgextra-vm -L 500G -n vg-vm vgextra
# lvcreate vgextra-backups -L 900G -n vg-backups vgextra
lvdisplay
mkfs.ext4 -m 0 /dev/vgiso/iso
mkfs.ext4 -m 0 /dev/vgvm/vm
mkfs.ext4 -m 0 /dev/vgiso/iso
mkfs.ext4 -m 0 /dev/vgbackups/backups
mkdir /iso && mkdir /vm && mkdir /backupscd
mkdir /iso && mkdir /vm && mkdir /backups
vi /etc/fstab
/dev/vgiso/iso /iso ext4 defaults 0 0
/dev/vgvm/vm /vm ext4 defaults 0 0

58
user-disabled-password.txt
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@ -19,8 +19,58 @@ adduser \
--create-home \
boringproxy
#USER WITH PASSWORD
sudo adduser --system --group --home /home/mynewuser mynewuser
passwd boringproxy
su - boringproxy
sudo usermod -a -G libvirt,kvm $USER
su - mynewuser
passwd
adduser --help
adduser [--uid id] [--firstuid id] [--lastuid id]
[--gid id] [--firstgid id] [--lastgid id] [--ingroup group]
[--add-extra-groups] [--shell shell]
[--comment comment] [--home dir] [--no-create-home]
[--allow-all-names] [--allow-bad-names]
[--disabled-password] [--disabled-login]
[--conf file] [--quiet] [--verbose] [--debug]
user
Add a normal user
adduser --system
[--uid id] [--group] [--ingroup group] [--gid id]
[--shell shell] [--comment comment] [--home dir] [--no-create-home]
[--conf file] [--quiet] [--verbose] [--debug]
user
Add a system user
adduser --group
[--gid ID] [--firstgid id] [--lastgid id]
[--conf file] [--quiet] [--verbose] [--debug]
group
addgroup
[--gid ID] [--firstgid id] [--lastgid id]
[--conf file] [--quiet] [--verbose] [--debug]
group
Add a user group
addgroup --system
[--gid id]
[--conf file] [--quiet] [--verbose] [--debug]
group
Add a system group
adduser USER GROUP
-------------------------------------------------------------
deluser --help
deluser [--system] [--remove-home] [--remove-all-files] [--backup]
[--backup-to dir] [--backup-suffix str] [--conf file]
[--quiet] [--verbose] [--debug] user
remove a normal user from the system
deluser --group [--system] [--only-if-empty] [--conf file] [--quiet]
[--verbose] [--debug] group
delgroup [--system] [--only-if-empty] [--conf file] [--quiet]
[--verbose] [--debug] group
remove a group from the system
deluser [--conf file] [--quiet] [--verbose] [--debug] user group
remove the user from a group