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ubuntu-ssh-reinstall
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Muhammad Hussein Fattahizdeh 2018-03-24 11:01:23 +04:30
parent cb1dcdeb3d
commit 3a1c466d5a
4 changed files with 20 additions and 7 deletions
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19
README.md
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@ -39,6 +39,17 @@ Create your own netiso and reinstall it over ssh. You can partion yor server as
```
4. Upload your `preseed.cfg` file to your own host.
#### Find Predictable Network Interface Names
If your current installation of ubuntu not using **Predictable Network Interface Names** you can find out the name by using this command for example for `eth0`:
```
udevadm test /sys/class/net/eth0 2>/dev/null | grep ID_NET_NAME_
ID_NET_NAME_MAC=enxd4bed95f24db
ID_NET_NAME_PATH=enp7s0
```
You can use `enp7s0` as predictable network interface name.
#### Clone repository
```
cd /tmp
@ -46,7 +57,8 @@ git clone https://github.com/mhf-ir/ubuntu-overssh-reinstallation.git
cd ubuntu-overssh-reinstallation
```
#### Config
See `config.sample` and change it. Carefull about your network settings. It's can hold your server until get new kvm/ipmi/vnc to restore the ssh again.
See `config.sample` and change it.
⚠ Carefull about your network settings. It's can hold your server until get new kvm/ipmi/vnc to restore the ssh again.
```
cp config.sample config
vim config
@ -77,6 +89,8 @@ You can test it. We must get 200 response as we expected
curl -o /dev/null --silent --head --write-out '%{http_code}\n' http://yourserver.tld/preseed.cfg
200
```
⚠ If your webserver not reachable you must reboot your server to get preseed file. so test it before reboot your server.
#### Reboot
```
reboot
@ -87,6 +101,5 @@ Wait it until boot to iso complete and install require packages then
ssh installer@10.1.1.100
```
#### Continue installation of ubuntu
---
This script test on Ubuntu 16.04 Server.
✅ This script test on Ubuntu Server 16.04 and 18.04.

2
config.sample
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@ -18,7 +18,7 @@ PASSWORD="tHISiSpASSWORD"
# hostname and domain
HOSTNAME="${INTERFACE_IP//\./\-}"
DOMAIN="servers.domain.org"
DOMAIN="example.tld"
# lowercase of country code dont change it
COUNTRY_LOWER="${COUNTRY,,}"

4
create-iso.sh
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@ -61,8 +61,8 @@ cp -rT /mnt/ubuntu-overssh-iso $PROJECTPATH/ubuntu-overssh-iso
cp $PROJECTPATH/preseed.cfg.template $PROJECTPATH/ubuntu-overssh-iso/preseed.cfg
# replace vairables
sed -i 's/timeout 0/timeout 1/g' $PROJECTPATH/ubuntu-overssh-iso/prompt.cfg
sed -i 's/timeout 0/timeout 1/g' $PROJECTPATH/ubuntu-overssh-iso/isolinux.cfg
sed -i 's/timeout 10/timeout 1/g' $PROJECTPATH/ubuntu-overssh-iso/prompt.cfg
sed -i 's/timeout 10/timeout 1/g' $PROJECTPATH/ubuntu-overssh-iso/isolinux.cfg
sed -i "s/INTERFACE_DEV/$INTERFACE_DEV/g" $PROJECTPATH/ubuntu-overssh-iso/preseed.cfg
sed -i "s/INTERFACE_IP/$INTERFACE_IP/g" $PROJECTPATH/ubuntu-overssh-iso/preseed.cfg

2
preseed.cfg.template
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@ -19,5 +19,5 @@ d-i hw-detect/load_firmware boolean true
d-i anna/choose_modules string network-console
d-i network-console/password password PASSWORD
d-i network-console/password-again password PASSWORD
# d-i pkgsel/include string ntp htop iotop curl
# d-i pkgsel/include string ntp htop iotop curl bash-completion wget hdparm
# d-i preseed/late_command string in-target post-install.sh