ResourcesMark
System Configuration (workstations, grape)
Alarm handling/Shutting down the rack
System Configuration (windows and Linux laptop)
System Configuration (CCMS Blackhole)
Grape queueing system
Add new user (LDAP)
To get a untaken UID for the new accont, use nextUID.py placed in '/opt/scripts'. Note that the UID may be already in use on grape.
To add a group of new users with similar uid, use script ldapBatchAddUser.py placed in '/opt/scripts/'. You will have to run it as root, and keep in mind the following things.
This program helps to create multiple user accounts on the fly.
In order to use it, you have to provide some basic information
of the new accounts. The new accounts will be named as "BASE$N",
in which "BASE" is the base name, and $N is the count. You have
to specify the starting number of $N. Users' home directory
will be /home/BASE/BASE$N, and bear in mind that this program
does not create /home/BASE automatically. The program will invoke
"nextUID.py" to set UIDs for the new accounts, However, you still
have to take care of the GID issue yourself. All new accounts
will use "BASE" as their passwords.
Modify the program yourself to make it better suit your need.
Use CTRL+C to interrupt the program when typing something wrong.
Add new user (grape)
Create account in /etc/passwd
useradd -u NEWUID -g md NAME
Update NIS (for cluster authentication)
cd /var/yp/ make
Gromos Live (ubuntu based live DVD)
The latest DVD image can be found in /home/exercise/LiveDVD
The DVD is based on the one from IGC ETH with some minor modifications including:
- changing gnome background
- removing unnecessary language and game packages
- changing firefox homepage (/usr/share/ubuntu-artwork/home/index.html)
- changing license file in GROMOS directory, and moving GROMOS directory from /opt to /usr/local
- installing gromacs to /opt
- removing nfs-common, portmap and games packages
Guidelines on how to modify an ubuntu live cd can be found in the following urls. Note that ALL of the above modifications are made in squash file: [1] [2]
To port the live DVD to USB key drive
please refer to the following url. As Gromos Live is based on Ubuntu 7.10, we cannot use scripts written for other versions. [3]
To install the live DVD to a hard disk:
- copy the unpacked /casper to the partition that you want to install on.
- run sudo grub-install --root-directory=/media/hda1 --force-lba --no-floppy /dev/hda to install grub to the hard drive.
- write the following content to /boot/grub/menu.lst, and modify it if needed.
Image:timeout 10
color cyan/blue white/blue
title Start Ubuntu in Persistent mode
root (hd0,0)
kernel /casper/vmlinuz boot=casper initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram rw persistent
initrd /casper/initrd.gz
boot
title Live - Start or install Ubuntu root (hd0,0) kernel /casper/vmlinuz boot=casper initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram rw initrd /casper/initrd.gz boot
title Start Ubuntu in safe graphics mode root (hd0,0) kernel /casper/vmlinuz boot=casper xforcevesa initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram rw initrd /casper/initrd.gz boot
title Check CD for defects root (hd0,0) kernel /casper/vmlinuz boot=casper integrity-check initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram rw initrd /casper/initrd.gz boot
title Memory test root (hd0,0) kernel /install/mt86plus
boot
How to compile GROMOS96 on APAC (ac)
In order to run parallel version of GROMOS96 on APAC (ac) the following changes should be made:
In ../src/prom_db.F change the line
call system (
$'cat /proc/cpuinfo |grep MHz| awk {print $4} > tmp.info.xyz')
to
call system (
$"cat /proc/cpuinfo |grep MHz| awk '{print $4}'> tmp.info.xyz")
Single quotes became a double quote and the pair of single quotes before and after the {} became just one single quote each.
You should make the same corrections a couple of lines later as well even though the code will not enter that conditional.
Then a bit further on change it to read
call system (
$"cat /proc/cpuinfo |grep model |
$ awk -F: '{print $2}' > tmp.info.xyz")
We should thank Dr Margaret Kahn from APAC for this solution.
