NTP

Network Time Protocol

October IRIS Server Patching

October 6, 2023 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, October 10th, 2023. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, October 11th, at 3:00am. WINTERM may be unavailable till 10:00am Wednesday, October 11th, depending on additional software updates.

Linux servers lists.eecs, iris2.eecs (for access to the network and roster databases), and login.eecs will be patched and rebooted Tuesday night. DNS servers cronus and rhea may also be briefly unavailable while rebooting at approximately 8:00pm Tuesday.

On Wednesday, October 11th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

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Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Wednesday, August 9, 2023

August 7, 2023 by Lars Rohrbach

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 10pm to 10:30pm. login.EECS.Berkeley.EDU is scheduled for downtime from 10:30pm to 11pm. Other Linux hosts (e.g. DNS servers cronus and rhea, and SMTP server gateway.eecs) may also be briefly unavailable while rebooting approximately 6-7pm.

We expect actual downtimes to be shorter than scheduled.

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Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Tuesday June 13, 2023 06:30-07:45 am

June 12, 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.

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Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Tuesday May 2, 2023 06:30-07:45 am

May 1, 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.

[Read more…]

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Wednesday March 15, 2023 06:30-07:45 am

March 14, 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.

[Read more…]

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.

[Read more…]

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…]

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 Thursday August 18, 2022 06:30-07:45 am

August 16, 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…]