Sysadmin
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This is the hub for the CS sysadmins on the wiki.
Contents
Common Tasks
- Welcoming a new sysadmin <- log in here with wiki credentials to begin learning to be an admin
- Useful ssh information for admins
- Recurring tasks - e.g. software updates, hardware replacements
- Slack and GitLab integration
- Ticket tracking for current projects
- User Management
- Software installation
- Monitoring
- Backup
- Add a computer
- Senior projects
- Shutdown and Boot up
- Password managers
- Server safety
- Upgrading SSL Certificates
- Launch a process at startup
- Working with ITS
- Recurring spending
Services
- Cluster Overview and additional details
- Jupyterhub and NBGrader
- Apache2
- Databases
- DNS and DHCP
- VirtualBox
- Xen Server
- X Applications
- Bash startup scripts
For old documentation, see: Old Wiki Information
Machines and Brief Descriptions of Services
See full topology diagrams here.
A word about what's happening between files and the drives they live on.
CS Machines
| NET (vm1) |
| LDAP Server DNS DHCP Backup to Dali: etc, var |
| WEB (vm2) |
| Mailman Mail Stack Apache2 PostgresQL MySQL Wiki Backup to Dali: etc, var |
| TOOLS (vm3) |
| Jupyterhub Server Software Modules NginX SSH Users Backup to Dali: etc, var, mnts, sage |
| BABBAGE |
| Firewall |
| BOWIE |
| PostgreSQL Docker Weather Monitoring Energy Monitoring Backup to Dali: etc, var |
| SMILEY |
| XenDocs NET WEB NFS Backup to Dali: etc, var |
Cluster Machines
| HOPPER |
| Users SSH NFS server LDAP server Software Modules PostgreSQL Wiki Apache2 DNS DHCP Backup to Indiana: etc, var, cluster |
| INDIANA |
| New Storage Server |
| DALI |
| Storage Server Gitlab Backups NginX Backup to Indiana (/media/r10_vol/backups/): etc, var/opt/gitlab/backups |
| AL-SALAM |
| WebMO Software Modules Apache2 Backup to Indiana: etc, var |
| WHEDON |
| Software Modules Backups to Indiana: etc, var |
| LAYOUT |
| Jupyterhub Server Software Modules NginX Apache2 WebMO Backup to Indiana: etc, var |
| BRONTE |
| Software Modules Backup to Indiana: etc, var, nbserver |
| POLLOCK |
| Software Modules WebMO NginX Backup to Indiana: etc, var |
| KAHLO |
| Storage Server Backups NginX Backup to Indiana: etc, var |
| BIGFE |
| Software Modules Hosts BCCD related repositories and distributions. |
| T-VOC |
| Software Modules |
| ELWOOD |
| Software Modules Used by BCCD to host www.bccd.net and www.littlefe.net. Will be deprecated when BCCD project offloads their sites onto cloud-based hosting platforms. |
| krasner |
| Docker platform on an old lovelace machine upgraded to have 16GB of RAM. |
Switches
| SG538SF02J |
|
| CN63FP762S |
|
| SG525SG025 |
|
| Netgear JGS524 |
|
| cs-main |
|
| 5500denniscs-sw1 |
|
