NIS

Network Information Services

Various Linux servers (login, dhcp, DNS, SMTP, NTP, NIS) downtime Tuesday November 17, 2020 06:30-07:45am

November 16, 2020 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS, NIS and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS, NIS and time server is scheduled for downtime from 7:00am-7:15am.

The departmental authenticating outgoing SMTP server gateway.eecs is scheduled for downtime from 7:5am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP, NIS) downtime Tuesday October 27, 2020 06:30-07:45am

October 26, 2020 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS, NIS and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS, NIS and time server is scheduled for downtime from 7:00am-7:15am.

The departmental authenticating outgoing SMTP server gateway.eecs is scheduled for downtime from 7:5am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP, NIS) downtime Tuesday October 13, 2020 06:30-07:45am

October 12, 2020 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS, NIS and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS, NIS and time server is scheduled for downtime from 7:00am-7:15am.

The departmental authenticating outgoing SMTP server gateway.eecs is scheduled for downtime from 7:5am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP, NIS) downtime Wednesday September 2, 2020 06:30-07:45am

August 31, 2020 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS, NIS and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS, NIS and time server is scheduled for downtime from 7:00am-7:15am.

The departmental authenticating outgoing SMTP server gateway.eecs is scheduled for downtime from 7:5am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP, NIS) downtime Tuesday June 30, 2020 06:30-07:45am

June 29, 2020 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to
activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS, NIS and time servers
is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS, NIS and time server
is scheduled for downtime from 7:00am-7:15am.

The departmental authenticating outgoing SMTP server gateway.eecs
is scheduled for downtime from 7:5am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP, NIS) downtime Tuesday June 9, 2020 06:30-07:45am

June 8, 2020 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to
activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS, NIS and time servers
is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS, NIS and time server
is scheduled for downtime from 7:00am-7:15am.

The departmental authenticating outgoing SMTP server gateway.eecs
is scheduled for downtime from 7:5am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

cronus and rhea downtime – Wednesday May 20, 2020 06:45-07:15am

May 19, 2020 by Mark Kraitchman

cronus one of the departmental DNS, NIS and time servers will be down for a needed reboot to activate changes delivered by some RHEL patches from 6:45-7:00am.

rhea the other departmental DNS, NIS and time server will be down for a needed reboot to activate changes delivered by some RHEL patches from 7:00-7:15 am.

Though the total scheduled downtime is 6:45am to 7:15am, we expect actual downtime to be less.

[Read more…]

cronus and rhea downtime – Thursday April 9, 2020 06:45-07:15am

April 8, 2020 by Mark Kraitchman

cronus one of the departmental DNS, NIS and time servers will be down for a needed reboot to activate changes delivered by some RHEL patches from 6:45-7:00am.

rhea the other departmental DNS, NIS and time server will be down for a needed reboot to activate changes delivered by some RHEL patches from 7:00-7:15 am.

Though the total scheduled downtime is 6:45am to 7:15am, we expect actual downtime to be less.

[Read more…]

cronus and rhea downtime – Thursday March 19, 2020 06:45-07:15am

March 18, 2020 by Mark Kraitchman

cronus one of the departmental DNS, NIS and time servers will be down for a needed reboot to activate changes delivered by some RHEL patches from 6:45-7:00am.

rhea the other departmental DNS, NIS and time server will be down for a needed reboot to activate changes delivered by some RHEL patches from 7:00-7:15 am.

Though the total scheduled downtime is 6:45am to 7:15am, we expect actual downtime to be less.

[Read more…]

NIS Retirement in EECS, Dec 2020

February 18, 2020 by Rob McNicholas

To: System Administrators of Unix / Linux devices
Subject: Retirement of IRIS NIS service in EECS

IRIS NIS (Network Information Services) allows Unix computers to look up IRIS usernames, groups, passwords and other information from IRIS NIS servers.

Dating back to before the creation of IRIS, NIS service has been supported in the EECS Department. Now, IRIS provides the LDAP protocol as a replacement for NIS. This is now our supported service for distributing Unix username, password and group data. IRIS LDAP service features multiple redundant servers, and is updated in real-time with user account data.

[Read more…]