Difference between revisions of "Sysadmin"
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{| style="float:left; margin-right:2px;" | {| style="float:left; margin-right:2px;" | ||
| − | | style="height:40px; width:150px; text-align:center; background-color:#54C571; border-left:solid 5px #54C571; border-top:solid 5px #54C571; border-bottom:solid 1px white; border-right:solid 5px #54C571; font-size:120%;" | CONTROL | + | | style="height:40px; width:150px; text-align:center; background-color:#54C571; border-left:solid 5px #54C571; border-top:solid 5px #54C571; border-bottom:solid 1px white; border-right:solid 5px #54C571; font-size:120%;" | CONTROL |
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| style="height:135px; width:150px; background-color:#54C571; border-left:solid 5px #54C571; border-bottom:solid 5px #54C571; border-right:solid 5px #54C571;" | Users <br> SSH | | style="height:135px; width:150px; background-color:#54C571; border-left:solid 5px #54C571; border-bottom:solid 5px #54C571; border-right:solid 5px #54C571;" | Users <br> SSH | ||
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{| style="float:left; margin-right:2px;" | {| style="float:left; margin-right:2px;" | ||
| − | | style="height:40px; width:150px; text-align:center; background-color:#E77471; border-left:solid 5px #E77471; border-top:solid 5px #E77471; border-bottom:solid 1px white; border-right:solid 5px #E77471; font-size:120%;" | SHINKEN | + | | style="height:40px; width:150px; text-align:center; background-color:#E77471; border-left:solid 5px #E77471; border-top:solid 5px #E77471; border-bottom:solid 1px white; border-right:solid 5px #E77471; font-size:120%;" | SHINKEN |
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| style="height:135px; width:150px; background-color:#E77471; border-left:solid 5px #E77471; border-bottom:solid 5px #E77471; border-right:solid 5px #E77471;" | Users <br> SSH <br> Add machines | | style="height:135px; width:150px; background-color:#E77471; border-left:solid 5px #E77471; border-bottom:solid 5px #E77471; border-right:solid 5px #E77471;" | Users <br> SSH <br> Add machines | ||
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{| style="float:left; margin-right:2px;" | {| style="float:left; margin-right:2px;" | ||
| − | | style="height:40px; width:150px; text-align:center; background-color:#C38EC7; border-left:solid 5px #C38EC7; border-top:solid 5px #C38EC7; border-bottom:solid 1px white; border-right:solid 5px #C38EC7; font-size:120%;" |MURPHY | + | | style="height:40px; width:150px; text-align:center; background-color:#C38EC7; border-left:solid 5px #C38EC7; border-top:solid 5px #C38EC7; border-bottom:solid 1px white; border-right:solid 5px #C38EC7; font-size:120%;" |MURPHY |
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| style="height:135px; width:150px; background-color:#C38EC7; border-left:solid 5px #C38EC7; border-bottom:solid 5px #C38EC7; border-right:solid 5px #C38EC7;" | Users <br> SSH | | style="height:135px; width:150px; background-color:#C38EC7; border-left:solid 5px #C38EC7; border-bottom:solid 5px #C38EC7; border-right:solid 5px #C38EC7;" | Users <br> SSH | ||
Revision as of 11:58, 4 May 2017
Machines and Brief Descriptions of Services
| HOME (vm0) |
| Users SSH NFS |
| NET (vm1) |
| LDAP server DNS DHCP |
| WEB (vm2) |
| Mailman Mail Stack Apache2 PostgresQL MySQL Wiki |
| TOOLS (vm3) |
| SageNB Server Jupyterhub Server Software Modules NginX |
| BABBAGE |
| Firewall |
| PROTO |
| Weather Monitoring GPS/NTP Energy Monitoring |
| CONTROL |
| Users SSH |
| SHINKEN |
| Users SSH Add machines |
| MURPHY |
| Users SSH |
| HOPPER |
| Users SSH NFS Software Modules PostgresQL Wiki Apache2 DNS DHCP |
| DALI |
| Gitlab Backups NginX |
| AL-SALAM |
| WebMO Software Modules Apache2 |
| LAYOUT |
| Jupyterhub Server Software Modules NginX Apache2 WebMO |
| BRONTE |
| Software Modules |
| POLLOCK |
| Software Modules WebMO NginX |
Systems Administration Documentation
For old documentation, see: Old Wiki Information
Services |
Current Projects (updated 2017-04-27)
TODO
- Layout infiniband subnet manager
- Layout disk swap, new lo0
- HP Al-Salam switch enable jumboframes
Ongoing Projects (Spring 2017)
TODO
- EMAILING ALL THE USERS https://wiki.cs.earlham.edu/index.php/Sysadmin:Old:Contacting_All_Users
- SHUTDOWN SCHEDULED FOR SUNDAY (APRIL 16)
- Check/update instructions - one version is at https://wiki.cs.earlham.edu/index.php/Sysadmin:ImportantInfo:PowerFailure, there are others too
- Notify users
- Fix certs for gitlab, etc.
- Secure 1-2 admins for the summer
- Prep layout for May-June usage
- Practice shutdown-startup procedure (with Michael)
- Nsswitch consistency across all machines
- Document tools: startup / shutdown - Charlie
- Use Sysadmin namespace for all our pages - All
- Testing usefulness of documentation - Dave
- Al Salam: configure switch, re-rack. - Vitalii
- HP switch should be reset and tested.
- LDAP cleanup of system users / old groups - James
- Layout - Nirdesh
- Lo0 RAID (mdadm)
- 10GB from Dali to lo0 (adding rules on compute node routing tables as a possible fix)
- BIOS reset
- 10Gb, perfsonar, ...
- Monitoring: (Ganglia, Shinken)
- Getting consistency among all the machines(check_nrpe regularly stops working).
- Whedon: configured and available
- Change passwords (on everything). Postgres, shenken, ...
- Webcam on office whiteboard (new office location?)
- Learn virtual machine architecture and modules - Dave
- Document in a format for future admin training?
- Find existing introduction material
- Mirror control for testing, swapping, etc.
DONE (19 Jan 2017)
- Examine extra "layout" node. - Adam
- Differences are: Single PSU, Single GPGPU, No VGA.
- It has Infiniband and 10GB cards installed.
- Networking - Adam, Charlie
- IP over Infiniband working on layout
- Resolved by resetting IB switch configuration:
ibwarn: [3349] mad_rpc_rmpp: _do_madrpc failed; dport (Lid 1)
- Resolved by resetting IB switch configuration:
- IP over Infiniband working on layout
FUTURE
- Centralized password database / manager / location
Current Projects (updated 13 Oct 16)
- Groups and LDAP and sudo - James
Amber - JamesEdward's setup - VitalliWebDev access - Nirdesh- Puppet - James and Vitalii
- Bacula - Nirdesh
- SSL certificate upgrade and documentation - Kristin
Listserv merging with archives preserved - Nirdesh- Ganglia - Bret
- Shenken - Vitalii
- latency, UPS
- New Layout node - ? and ?
- Provision Sappho (compute) - after Puppet
- Provision Kahlo (storage) -
- replace broken drive
- I2 setup
- DTN, storage nodes, head nodes, ports in CST
- Provision Whedon (compute) - after Puppet
- Shutdown and startup test - scheduled for Sunday 27 November
- Disk cleaning - Charlie
Password changing in the CS and cluster domains - Vitalii and James- Proto setup and maintenance with HIP/Green Science
