50 recent changes in SysAdmin Web retrieved at 19:53 (Local)

KVMConnect
This cannot/probably should not be done over the web. Hence, there is a web server running internally, but that service only hands out JNLP files, which run a Jav...
SSLCertificates
LetsEncrypt is an easy, free way to have X.509 (SSL) Certificates on a web server. Rather than install the certificate files manually, they provide a handy utilit...
AutomatedInstallation
Model The overall CMS model is that no live permanent data should be stored on any machine in production. This empowers systems administration to quickly and rel...
DisasterRecovery
Main.DavidLeBlanc 2019 10 17
Methodology
With most innovations or changes in methodology, a philosophy must be formed to successfully accomplish stated goals efficiently, while remaining true to the rati...
QuotesandInvoices
Main.DavidLeBlanc 2019 10 17
EatonRackPDUs
The following documents concern the Emerson PDU units (the power strips in the cabinets) * Ann 1T1 Eaton PDU Cut Sheet.pdf * Ann 1T1 Eaton PDU Guide.pdf M...
EmersonPDUcabinets
The following documents concern the Emerson in cabinet PDU units. * Ann 1T1 Emerson Cabinet PDU Cut Sheet.pdf * Ann 1T1 Emerson Cabinet PDU Guide.pdf Main...
RittalLCPserverCabinets
The following documents concern the Rittal LCP units (the side car refrigeration units). * Ann 1T1 Rittal LCP Cut Sheet Mechanical.pdf * Ann 1T1 Rittal LCP ...
LiebertCRACunit
The following documents concern the Liebert CRAC unit (the 1T1 environmental HVAC unit) * Ann 1T1 Liebert CRAC Cut Sheet.pdf * Ann 1T1 Liebert CRAC Guide.pd...
PowerOutages
Power Outages Currently, only one rack size Uninterruptable Power Supply exists. This means that critical components of the infrastructure are kept in one rack, i...
Operations
This section of the wiki concerns the operations of the CMS department. Currently, the main server facility for CMS is located in 1T1 Annenberg, building number 1...
Security
Since most of the hosts in CS are multi user, such as machines in the ANN 104 lab, it is necessary to implement password/account controls to reduce the number of ...
Top100Generals
Top 100 Generals in History Pat and I are naming newly constructed hosts (within CMS) after famous generals in history. Top 100 Generals Top 100 Generals (if the ...
MACblockCheck
Check for a blocked MAC address http://www.its.caltech.edu/cgi bin/blockcheck.pl Main.DavidLeBlanc 2019 10 17
RPMRepository
Simply, signing a repository, packages do not necessarily need to be signed, and vice versa. Doing both seems like overkill. So, seems like signing a repository i...
WebNotify
* .WikiGuest * .DavidLeBlanc
WebStatistics
%IF{ "istopic '.Default'" then="$percentINCLUDE{$quot.Default$quot}$percent" else="$percentINCLUDE{$quot.Default$quot}$percent" }% Oct 2019 ...
LDAPOIDs
Our global entry into the registry of object identifiers (OIDs): http://www.oid info.com/get/1.3.6.1.4.1.8186.7 From that page is a web archived explanation of...
Inventory
Background There always has existed an administrative need for tracking and cataloging physical devices under one's administrative control, from the simple perspe...
ConfigurationManagement
Historically, Caltech Computer Science Department was among the first to implement configuration management as part of its system administration philosophy. %TWIS...
LinuxInstall
##Creating Boot Installation Media A brief description of this part of the process includes downloading the network installer images, writing them to a USB memory...
History
Originally beginning in the Computer Science Department, the systems administration team has evolved with the growing needs of the department, making policy and c...
VirtualMachineCreation
Intro Main.DavidLeBlanc 2019 10 07
WebPreferences
SysAdmin Web Preferences Appearance * Set WEBBGCOLOR = #efefef * web specific background color, current color * Set SITEMAPLIST = on * set to...
WebAtom
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Topic revision: r1 - 2019-10-04, DavidLeBlanc
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