$ grep -i temp /var/log/syslog*
Dec 28 06:54:54 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 06:54:56 laptop-server thermald[878]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 06:54:56 laptop-server thermald[878]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 06:55:41 laptop-server snapd[875]: stateengine.go:150: state ensure error: persistent network error: Get https://api.snapcraft.io/api/v1/snaps/sections: dial tcp: lookup api.snapcraft.io: Temporary failure in name resolution
Dec 28 07:02:16 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 07:06:19 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 07:06:21 laptop-server thermald[808]: sensor id 6 : No temp sysfs for reading raw temp
Dec 28 07:06:21 laptop-server thermald[808]: message repeated 2 times: [ sensor id 6 : No temp sysfs for reading raw temp]
Dec 28 07:07:16 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 07:08:52 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 07:08:54 laptop-server thermald[678]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 07:08:54 laptop-server thermald[678]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 07:09:31 laptop-server snapd[676]: stateengine.go:150: state ensure error: persistent network error: Get https://api.snapcraft.io/api/v1/snaps/sections: dial tcp: lookup api.snapcraft.io: Temporary failure in name resolution
Dec 28 07:23:50 laptop-server systemd[1]: Starting Cleanup of Temporary Directories...
Dec 28 07:23:50 laptop-server systemd[1]: Finished Cleanup of Temporary Directories.
Dec 28 07:35:04 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 07:35:06 laptop-server thermald[721]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 07:35:06 laptop-server thermald[721]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 07:35:43 laptop-server snapd[718]: stateengine.go:150: state ensure error: persistent network error: Get https://api.snapcraft.io/api/v1/snaps/sections: dial tcp: lookup api.snapcraft.io: Temporary failure in name resolution
Dec 28 07:39:41 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 07:50:07 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 07:50:08 laptop-server thermald[811]: sensor id 6 : No temp sysfs for reading raw temp
Dec 28 07:50:08 laptop-server thermald[811]: message repeated 2 times: [ sensor id 6 : No temp sysfs for reading raw temp]
Dec 28 07:54:46 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 07:57:06 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 07:57:07 laptop-server thermald[722]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 07:57:07 laptop-server thermald[722]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:02:41 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 08:04:38 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:04:41 laptop-server thermald[722]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 08:04:41 laptop-server thermald[722]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:18:36 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 08:19:20 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:19:23 laptop-server thermald[726]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 08:19:23 laptop-server thermald[726]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:21:28 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:21:31 laptop-server thermald[725]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 08:21:31 laptop-server thermald[725]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:29:43 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 08:30:26 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:30:29 laptop-server thermald[722]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 08:30:29 laptop-server thermald[722]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:33:04 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:33:06 laptop-server thermald[721]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 08:33:06 laptop-server thermald[721]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:39:43 laptop-server systemd[1]: Stopped Daily Cleanup of Temporary Directories.
Dec 28 08:41:22 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:41:25 laptop-server thermald[725]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 08:41:25 laptop-server thermald[725]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:44:40 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:44:42 laptop-server thermald[727]: sensor id 8 : No temp sysfs for reading raw temp
Dec 28 08:44:42 laptop-server thermald[727]: message repeated 2 times: [ sensor id 8 : No temp sysfs for reading raw temp]
Dec 28 08:53:31 laptop-server systemd[1]: Started Daily Cleanup of Temporary Directories.
Dec 28 08:53:31 laptop-server sensors[739]: coretemp-isa-0000
Dec 28 08:53:31 laptop-server sensors[739]: temp1:        +48.0°C  (high = +95.0°C, hyst =  +3.0°C)
Dec 28 08:53:31 laptop-server sensors[739]: temp1:            N/A
Dec 28 08:53:31 laptop-server sensors[739]: temp1:        +14.0°C
Dec 28 08:53:31 laptop-server sensors[739]: temp1:        +53.0°C  (crit = +100.0°C)
Dec 28 08:53:31 laptop-server sensors[739]: temp2:        +27.8°C  (crit = +119.0°C)
Dec 28 08:53:31 laptop-server sensors[739]: temp3:        +29.8°C  (crit = +119.0°C)
Binary file /var/log/syslog matches