David Dubbeldam
The frontend of Rocks 7.0 requires a web server to have rolls “installed” to download. If the frontend needs to be installed often, like for testing purposes in a local machine, then it is preferred to have a local roll-server.
Starting the web-server on MacOS Big Sur
Start the builtin Apache server
sudo apachectl start
You should now be able to direct your browser to ‘localhost’ or ‘127.0.0.1’ and see in the browser ‘ it works!’. The default Apache configuration reads from
/Library/WebServer/Documents/index.html.en
Apple recommends to create a directory ‘Sites’ in your home account and run your local user website from there. However, that will not work for the rocks roll-server. We need to install it in the main sever. But first, let’s download rocks.
Downloading rocks
The iso-disk images can be downloaded from
http://central-7-0-x86-64.rocksclusters.org/isos
Using wget, we can download the images
wget http://central-7-0-x86-64.rocksclusters.org/isos/kernel-7.0-0.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/base-7.0-2.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/core-7.0-2.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/CentOS-7.4.1708-0.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/Updates-CentOS-7.4.1708-2017-12-01-0.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/kvm-7.0-0.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/ganglia-7.0-2.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/htcondor-8.6.8-1.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/sge-7.0-0.x86_64.disk1.iso
wget http://central-7-0-x86-64.rocksclusters.org/isos/hpc-7.0-0.x86_64.disk1.iso
Creating the roll data
sudo mkdir -p /Library/WebServer/Documents/rocks/7.0/install/rolls
mkdir -p /tmp/cdrom
Next mount the disk by double-clicking it in the finder.
hdiutil attach -nomount kernel-7.0-0.x86_64.disk1.iso
with for example output
/dev/disk3 FDisk_partition_scheme
/dev/disk3s2 0xEF
Now mount the disk.
mount -t cd9660 /dev/disk3 /tmp/cdrom
Copying the rpm’s from the disk to the web-server
(cd /tmp/cdrom; tar cf - --exclude=TRANS.TBL --exclude=.discinfo --exclude=var \
--exclude=repodata --exclude=EFI --exclude=images --exclude=LiveOS --exclude=comps.xml \
--exclude=ks.cfg --exclude=isolinux .) | (cd \
/Library/WebServer/Documents/rocks/7.0/install/rolls; \
tar xvfBp - )
Unmount and detached the disk.
umount /dev/disk3
hdiutil detach /dev/disk3
Repeat this process for all the iso-images.
Setting up the web-server on MacOS Big Sur
Next the Apache server needs to setup as a rocks roll-server. First, edit the apache config file
/etc/apache2/httpd.conf
Switch on cgi-capabilities, look the following section and uncomment the LoadModule lines.
<IfModule !mpm_prefork_module>
#LoadModule cgid_module libexec/apache2/mod_cgid.so
</IfModule>
<IfModule mpm_prefork_module>
#LoadModule cgi_module libexec/apache2/mod_cgi.so
</IfModule>
Append to the file
<Directory /Library/WebServer/Documents/rocks/7.0/install/rolls>
AddHandler cgi-script .cgi
Options FollowSymLinks Indexes ExecCGI
DirectoryIndex /rocks/7.0/install/rolls/index.cgi
Allow from all
</Directory>
Now restart the Apache web server
sudo apachectl restart
Testing the web setup
To test the setup, run
wget -O - http://localhost/rocks/7.0/install/rolls
which should look like
--2021-01-04 10:20:49-- http://localhost/rocks/7.0/install/rolls
Resolving localhost (localhost)... ::1, 127.0.0.1
Connecting to localhost (localhost)|::1|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: http://localhost/rocks/7.0/install/rolls/ [following]
--2021-01-04 10:20:49-- http://localhost/rocks/7.0/install/rolls/
Reusing existing connection to [localhost]:80.
HTTP request sent, awaiting response... 200 OK
Length: 611 [text/html]
Saving to: ‘STDOUT’
- 0%[ ] 0 --.-KB/s ]
<html><body><table><tr><td>
<a href="base/">base/</a>
</td></tr>
<tr><td>
<a href="CentOS/">CentOS/</a>
</td></tr>
<tr><td>
<a href="core/">core/</a>
</td></tr>
<tr><td>
<a href="ganglia/">ganglia/</a>
</td></tr>
<tr><td>
<a href="hpc/">hpc/</a>
</td></tr>
<tr><td>
<a href="htcondor/">htcondor/</a>
</td></tr>
<tr><td>
<a href="index.html">index.html</a>
</td></tr>
<tr><td>
<a href="kernel/">kernel/</a>
</td></tr>
<tr><td>
<a href="kvm/">kvm/</a>
</td></tr>
<tr><td>
<a href="sge/">sge/</a>
</td></tr>
<tr><td>
<a href="Updates-CentOS-7.4.1708/">Updates-CentOS-7.4.1708/</a>
</td></tr>
- 100%[====>] 611 --.-KB/s in 0s
2021-01-04 10:20:50 (117 MB/s) - written to stdout [611/611]
Installing rocks using the local roll-server
For the selection of rolls, now point to the local roll-server
http://10.1.1.2/rocks/7.0/install/rolls
Select the rolls, and click ‘Add Selected Rolls’.