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update info about command

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This commit is contained in:
AJ ONeal
2020-06-25 06:58:22 +00:00
parent cd900667cb
commit ace876458e
2 changed files with 15 additions and 8 deletions
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13
ssh-adduser/README.md
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@@ -10,26 +10,27 @@ description: |
`ssh-adduser` will
1. add the user `me`
2. sets a random, 32-character password (as a failsafe)
2. set a random, 32-character password (as a failsafe)
3. copy the `root` user's **`~/.ssh/authorized_keys`** (so the same users can still login)
4. gives the `me` user `sudo` (admin) privileges
5. allows `me` to `sudo` without a password
4. give the `me` user `sudo` (admin) privileges
5. allow `me` to `sudo` without a password
---
How to create a new user named 'me':
```bash
# Note: --disable-password means that the user cannot yet login
# --disable-password prevents a password prompt
# --gecos "" skips the useless questions
adduser --disabled-password --gecos "" me
```
How to create a and set a random password:
```bash
# store a random 16-byte password into 'my_password'
# sets 'my_password' to 32 random hex characters (16 bytes)
my_password=$(openssl rand -hex 16)
# use 'my_password' to set the user 'me's password
# uses 'my_password' for to reset and confirm 'me's password
printf "$my_password"'\n'"$my_password" | passwd me
```

10
ssh-utils/ssh-adduser.sh
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@@ -21,16 +21,22 @@
adduser --disabled-password --gecos "" me
my_password=$(openssl rand -hex 16)
printf "$my_password"'\n'"$my_password" | passwd me
# make 'me' a sudo-er (admin)
adduser me sudo
echo "me ALL=(ALL:ALL) NOPASSWD: ALL" | tee /etc/sudoers.d/me
sudo -i -u me bash -c 'ssh-keygen -b 2048 -t rsa -f /home/me/.ssh/id_rsa -q -N ""'
# allow users who can already login as 'root' to login as 'me'
mkdir -p /home/me/.ssh/
chmod 0700 /home/me/.ssh/
cp -r "$HOME/.ssh/authorized_keys" /home/me/.ssh/
chmod 0600 /home/me/.ssh/authorized_keys
chown -R me:me /home/me/.ssh/
# Install webi for the new user
# ensure that 'me' has an SSH Keypair
sudo -i -u me bash -c 'ssh-keygen -b 2048 -t rsa -f /home/me/.ssh/id_rsa -q -N ""'
# Install webi for the new 'me' user
sudo -i -u me bash -c 'curl -fsSL https://webinstall.dev/webi | bash' \
|| sudo -i -u me bash -c 'wget -q -O - https://webinstall.dev/webi | bash'