Configuring the Development Server¶

If neurowiki_2016 is running, log in and shut it down:
```
ssh hjc@neurowiki.case.edu
sudo shutdown -h now
```
If neurowikidev_2015 is running, shut it down as well:
```
ssh hjc@neurowikidev.case.edu
sudo shutdown -h now
```
Using VirtualBox, take a snapshot of the current state of neurowiki_2016. Name it “Last shared state between neurowiki and neurowikidev”.
In VirtualBox, create a clone of neurowiki_2016 by selecting the virtual machine and Machine > Clone, and choosing the following settings:
- New machine name
  - Name: neurowikidev_2016
  - Do NOT check “Reinitialize the MAC address of all network cards”
- Clone type
  - Full clone
- Snapshots
  - Current machine state
Drag-and-drop the new virtual machine into the “2016” group under “BIOL 373”.
In VirtualBox, select neurowikidev_2016 and choose Settings > Network. Verify that the “Attached to” setting is set to “Bridged Adapter”. Under Advanced, change the MAC address to match NeuroWikiDev’s (see Looking Up MAC Addresses for instructions).
Restart neurowiki_2016. Start neurowikidev_2016 for the first time and log in:
```
ssh-keygen -R neurowikidev.case.edu
ssh hjc@neurowikidev.case.edu
```
Change the name that the development server uses to identify itself to the network:
```
sudo hostnamectl set-hostname neurowikidev
```
You should now be able to access it in a browser:

https://neurowikidev.case.edu

Todo

Make the backup script that lives on DynamicsHJC and the cron job list downloadable.

Log into the vbox account on DynamicsHJC:

ssh vbox@dynamicshjc.case.edu

Create a script that remotely executes the backup script on the development virtual machine and moves the archive to the backup drive. Create the file

mkdir -p /Volumes/CHIELWIKI/backups/neurowikidev/2016
vim /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh

and fill it with the following:

#!/bin/bash

REMOTESSH="ssh hjc@neurowikidev.case.edu"
#REMOTESSH="ssh -p 8015 hjc@dynamicshjc.case.edu"

REMOTESCP="scp -q hjc@neurowikidev.case.edu"
#REMOTESCP="scp -q -P 8015 hjc@dynamicshjc.case.edu"

REMOTEFILE=neurowikidev-backup-`date +'%Y%m%dT%H%M%S%z'`.tar.bz2
if [ -z "$1" ]; then
    LOCALFILE=/Volumes/CHIELWIKI/backups/neurowikidev/2016/$REMOTEFILE
else
    LOCALFILE=/Volumes/CHIELWIKI/backups/neurowikidev/2016/$1
fi

$REMOTESSH backup-wiki -q backup $REMOTEFILE
$REMOTESCP:$REMOTEFILE $LOCALFILE
chmod go= $LOCALFILE
$REMOTESSH rm $REMOTEFILE

Make the script executable:

chmod u+x /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh

In the vbox account on DynamicsHJC, create a backup schedule. Create the file

vim /Volumes/CHIELWIKI/backups/neurowikidev/2016/crontab

and fill it with the following:

################################################################################
#                                 NEUROWIKIDEV                                 #
################################################################################
# Make hourly backups on the odd-numbered hours (except 1 AM and 3 AM)
0 5,9,13,17,21  * * * /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh hourA.tar.bz2
0 7,11,15,19,23 * * * /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh hourB.tar.bz2
# Make daily backups at 1 AM
0 1 * * 0 /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh sunday.tar.bz2
0 1 * * 1 /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh monday.tar.bz2
0 1 * * 2 /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh tuesday.tar.bz2
0 1 * * 3 /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh wednesday.tar.bz2
0 1 * * 4 /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh thursday.tar.bz2
0 1 * * 5 /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh friday.tar.bz2
0 1 * * 6 /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh saturday.tar.bz2
# Make weekly backups at 3 AM on the 1st, 8th, 15th, and 22nd of the month
0 3 1  * * /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh `date +'\%Y-\%m'`.tar.bz2
0 3 8  * * /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh 8th.tar.bz2
0 3 15 * * /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh 15th.tar.bz2
0 3 22 * * /Volumes/CHIELWIKI/backups/neurowikidev/2016/backup-neurowikidev.sh 22nd.tar.bz2

Schedule the backups. In the vbox account on DynamicsHJC, dump the existing scheduled jobs to a temporary file:
```
crontab -l > /tmp/crontab.old
```
Edit the temporary file, and delete the backup jobs for last year’s NeuroWikiDev. You can use Shift+v in Vim to enter Visual Line mode, the up and down arrow keys to select a block of lines, and d to delete them all at once.
```
vim /tmp/crontab.old
```
Now append the new jobs to the old and schedule them:
```
cat {/tmp/crontab.old,/Volumes/CHIELWIKI/backups/neurowikidev/2016/crontab} | crontab
```
Verify that the backup jobs for this year’s NeuroWikiDev are properly scheduled, and that backup jobs for last year’s NeuroWikiDev are absent:
```
crontab -l
```
Fix SSH authentication into NeuroWikiDev from the vbox account. You will be asked to accept the unrecognized fingerprint of the virtual machine — this is expected — but you should NOT need to enter your password. The IP address is the static IP for neurowikidev.case.edu, obtained using host neurowikidev.case.edu.
```
ssh-keygen -R neurowikidev.case.edu -R 129.22.139.49
ssh hjc@neurowikidev.case.edu
```
If this works without you needing to enter a password, automatic authentication is properly configured. You should logout to return to the vbox account on DynamicsHJC, and logout again to return to the virtual machine.
Shut down the development virtual machine:
```
sudo shutdown -h now
```
Using VirtualBox, take a snapshot of the current state of neurowikidev_2016. Name it “neurowikidev configured”.
Restart neurowikidev_2016.