techstaff:introduction
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techstaff:phd_orientation_2017 [2017/09/19 11:08] – [CSIL] kauffman | techstaff:introduction [2018/09/24 10:25] – rdb | ||
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======Techstaff====== | ======Techstaff====== | ||
=====Who===== | =====Who===== | ||
- | Techstaff is a team of three: Bob Bartlett, Colin Hudler, | + | Techstaff is a team of four: Bob Bartlett, Colin Hudler, Phil Kauffman, and Tom Dobes. The most of the current team has been together for 6 years with Tom being our newest member. |
=====What===== | =====What===== | ||
- | Techstaff supports all aspects of technical | + | Techstaff supports all aspects of technical |
However, we also provide other assistance including printer, A/V, and just about anything that comes along. | However, we also provide other assistance including printer, A/V, and just about anything that comes along. | ||
=====Where===== | =====Where===== | ||
- | We are located in Ryerson 154. Our hours are 9:00-5:30, though we are often around outside of those hours. | + | We are located in JCL 157. Our hours are 9:00-5:30, though we are often around outside of those hours. |
=====Contact===== | =====Contact===== | ||
Email: techstaff@cs.uchicago.edu | Email: techstaff@cs.uchicago.edu | ||
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=====Services===== | =====Services===== | ||
====Interactive login servers==== | ====Interactive login servers==== | ||
- | Techstaff has 3 servers (linux1, linux2, and linux3) that serve as interactive login systems for instructional use. These systems are reachable either by the canonical address or by a cname (linux.cs.uchicago.edu). | + | [[techstaff: |
These systems are configured similarly to the desktops and lab machines and can be used interchangeably with them. They are configured with 16 hyperthreads, | These systems are configured similarly to the desktops and lab machines and can be used interchangeably with them. They are configured with 16 hyperthreads, | ||
The purpose of these systems is to support instructional computing. | The purpose of these systems is to support instructional computing. | ||
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Techstaff has distributed a number of community printers around the department. There are 4 color printers distributed throughout Ryerson: | Techstaff has distributed a number of community printers around the department. There are 4 color printers distributed throughout Ryerson: | ||
- | * sassafras.cs.uchicago.edu located in Ry 160b | + | * sassafras.cs.uchicago.edu located in JCL 214 |
- | * basswood.cs.uchicago.edu located in Ry 160b | + | * basswood.cs.uchicago.edu located in JCL 235 |
- | * persimmon.cs.uchicago.edu located in Ry 257 | + | * persimmon.cs.uchicago.edu located in JCL 314 |
- | * chinkapin.cs.uchicago.edu located in Ry 162 | + | * chinkapin.cs.uchicago.edu located in 362 |
[[techstaff: | [[techstaff: | ||
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There are also black and white printers available in the larger student offices. | There are also black and white printers available in the larger student offices. | ||
These printers are all available on all Techstaff managed linux systems. | These printers are all available on all Techstaff managed linux systems. | ||
+ | |||
+ | Note: We will be adding them to all student rooms. | ||
======Instructional servers====== | ======Instructional servers====== | ||
=====Linux.cs.uchicago.edu===== | =====Linux.cs.uchicago.edu===== | ||
- | Previously described in the [[techstaff: | + | Previously described in the [[techstaff: |
* a place for students to work on assignments outside of the lab | * a place for students to work on assignments outside of the lab | ||
* a place for TA’s to test course assignments and grade assignments | * a place for TA’s to test course assignments and grade assignments | ||
* a place for general computing that will not compromise the performance of the lab machines | * a place for general computing that will not compromise the performance of the lab machines | ||
The systems support many users and should be respected. Please follow the following guidelines: | The systems support many users and should be respected. Please follow the following guidelines: | ||
- | Resource intensive activities (utilize large amounts of RAM, excessive disk I/O, multiple CPUs, or long execution times) should be directed to your desktop or elsewhere (see [[techstaff: | + | Resource intensive activities (utilize large amounts of RAM, excessive disk I/O, multiple CPUs, or long execution times) should be directed to your desktop or elsewhere (see [[techstaff: |
Programs requiring significant disk I/O should not use your home directory as a data repository. | Programs requiring significant disk I/O should not use your home directory as a data repository. | ||
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=====Course specific===== | =====Course specific===== | ||
- | Some courses have course specific machines. | + | Some courses have course specific machines. |
- | (Information is available at https:// | + | |
- | =====SLURM===== | + | The [[vm: |
- | The SLURM cluster was originally | + | |
- | The cluster can also be rather than linux.cs.uchicago.edu | + | |
- | =====Hadoop===== | + | The other type of virtual system is a customized VM that is running on one of Techstaff’s hypervisors and is managed by Techstaff. |
- | We are experimenting with an Apache Hadoop | + | =====SLURM===== |
+ | The [[techstaff: | ||
+ | The cluster should be used for larger jobs, rather than than linux.cs.uchicago.edu. | ||
======Labs====== | ======Labs====== | ||
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=====CSIL===== | =====CSIL===== | ||
- | CSIL is located in Crerar Library and is composed of 4 pods of computers along with additional Macs external to the pods and a staff of student aids known as “tutors”. The pods have collapsing walls that allow them to be reconfigured into larger spaces. | + | [[http:// |
- | These pods are reserved for a number of courses for labs, class, or TA sessions. The software on both architectures supports the needs of many courses allowing students to have access to reliable systems that will work consistently for course assignments. | + | |
+ | Two of the pods each contain Linux boxes that are configured and managed by Techstaff. They are configured using a template similar to linux.cs.uchicago.edu or student desktops. The linux systems are rebooted each morning at 4:00 AM in order to clean up processes and to make them less desirable platforms for long term execution which would impact performance for the seated user. The other two pods each contain 20 Macs which are configured and maintained by [[http:// | ||
+ | |||
+ | These pods are reserved for a number of courses for labs, class, or TA sessions. The software on both architectures supports the needs of many courses allowing students to have access to reliable systems that will work consistently for course assignments. | ||
=====MPCS===== | =====MPCS===== | ||
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=====Getting help===== | =====Getting help===== | ||
====Techstaff==== | ====Techstaff==== | ||
- | We are here to help and will do so. Please contact us by stopping by the office (Ryerson 154), writing us (techstaff@cs.uchicago.edu), | + | We are here to help and will do so. Please contact us by stopping by the office (JCL 357), writing us (techstaff@cs.uchicago.edu), |
====http:// | ====http:// | ||
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Create a directory within /local on the system that you are using for data files that are large or will be accessed regularly by a program. | Create a directory within /local on the system that you are using for data files that are large or will be accessed regularly by a program. | ||
- | To do so: | ||
< | < | ||
cd /local | cd /local | ||
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=====Quotas===== | =====Quotas===== | ||
- | We place quotas on the home directory. | + | We place quotas on the home directory. |
=====Self Management===== | =====Self Management===== | ||
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* Techstaff does not maintain updates to your system. | * Techstaff does not maintain updates to your system. | ||
* Techstaff will assist as we can if there are questions or problems, but the amount of time that can be spent is limited. | * Techstaff will assist as we can if there are questions or problems, but the amount of time that can be spent is limited. | ||
- | * The reported hacked systems that we have had have all been student-run systems. Therefore, it is very important to note the following: | + | * You will have to use other systems to perform TA duties. |
- | * Make sure that your root and user passwords are not guessable, are not used elsewhere, and that you connect from trusted sources and always use encryption. | + | * You will be required to install an SSH allowing Techstaff root access. |
- | * The system will be immediately pulled from the network by ITS Security and cannot be restored without a complete reformat and reinstall of the OS. | + | |
- | * Make sure that you are backing up important files regularly. | + | The reported hacked systems that we have had have all been student-run systems. Therefore, it is very important to note the following: |
- | * Make sure that your system is current with all patches. | + | * Make sure that your root and user passwords are not guessable, are not used elsewhere, and that you connect from trusted sources and always use encryption. |
- | * Be careful about what you install and to whom you give access. | + | * The system will be immediately pulled from the network by ITS Security and cannot be restored without a complete reformat and reinstall of the OS. |
- | * You will have to use other systems to perform TA duties. | + | * Make sure that you are backing up important files regularly. |
+ | * Make sure that your system is current with all patches. | ||
+ | * Be careful about what you install and to whom you give access. |
/var/lib/dokuwiki/data/pages/techstaff/introduction.txt · Last modified: 2023/09/07 14:28 by adahler