Unix Login Server

Unix Login Server, login.eecs

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Tuesday January 31, 2023 06:30-07:45 am

January 30, 2023 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

UPDATE

[2023-91-31 | kraitch ]

Maintenance has been completed.

Resolved as of 2023-01-31 7:16 am

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Tuesday December 20, 2022 06:30-07:45 am

December 19, 2022 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Dec 14: Service interruption (login.eecs, lists.eecs)

December 14, 2022 by Lars Rohrbach

We are investigating an apparent issue with our VMware infrastructure, which is affecting various IRIS systems, including access to login.eecs, rt.eecs (our ticketing system), and lists.eecs (our maillist server).

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Tuesday November 8, 2022 06:30-07:45 am

November 7, 2022 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Thursday September 1, 2022 06:30-07:45 am

August 31, 2022 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Wednesday July 6, 2022 06:30-07:45 am

July 5, 2022 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Wednesday May 25, 2022 06:30-07:45 am

May 23, 2022 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

EECS LDAP logins not working

April 20, 2022 by Lars Rohrbach

We are investigating an issue with EECS Windows Domain Controllers, preventing LDAP-to-Windows password passthrough from working. This affects all systems that rely on EECS LDAP for authentication, including various webpages, the EECS-Secure wireless network, and linux machines configured to use EECS LDAP. The issue began at approximately 7:45PM on 4/20.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Wednesday April 13, 2022 06:30-07:45 am

April 11, 2022 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Tuesday March 1, 2022 06:30-07:45 am

February 28, 2022 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 and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS 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 7:30am to 7:45am.

We expect actual downtimes to be less than scheduled.

[Read more…]