Category: English Post (英文帖子)

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[STEP] DELL server iDRAC physical disk foreign state clean

Step One: Check the state of physical disk

Storage –> Overview –> Physical Disks
We can see the State is Foreign not Ready

Step Two: Clean the foreign state of physical disk

2.1 Access controllers interface

Storage –> Overview –> Controllers

2.2 Clean the foreign state of physical disk

Choose Controllers à Action à Foreign Configuration à Clean Foreign

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[CONTENT] SUSE Repository Mirroring Tool (RMT) mirror schedule configuration

Content One: Configure the mirror schedule

1.1 Modify /etc/systemd/system/multi-user.target.wants/rmt-server-sync.timer file

# vi /etc/systemd/system/multi-user.target.wants/rmt-server-sync.timer

Modify all content as follows：

[Unit]
Description=RMT Sync timer

[Timer]
OnCalendar=*-*-01 01:00:00
RandomizedDelaySec=9h
Unit=rmt-server-sync.service

[Install]
WantedBy=multi-user.target

（Note: here is an example with setting the mirror schedule to the 1st of every month）

1.2 Apply the settings to make them take effect

# systemctl restart rmt-server-sync.timer
# systemctl restart rmt-server-mirror.timer

Content Two: Disable the mirror schedule

2.1 Disable the mirror schedule

# systemctl disable --now rmt-server-sync.timer
# systemctl disable --now rmt-server-mirror.timer
# systemctl daemon-reload

2.2 Manual Mirror

# rmt-cli sync
# rmt-cli mirror

Or:

# rmt-cli sync ; rmt-cli mirror
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[DEBUG] SUSE Repository Mirroring Tool (RMT) resolve client use SUSEConnect command output ‘Error: Registration server returned ‘Internal Server Error’ (500)’ or ‘SUSEConnect error: trying to send a keepalive from a system not yet registered. Register this system first’

Error Reporting Command

# SUSEConnect --url

or:

# SUSEConnect --de-register

Error Code

Error: Registration server returned 'Internal Server Error' (500)

or:

SUSEConnect error: trying to send a keepalive from a system not yet registered. Register this system first

Solution 1: Make sure the /tmp directory has enough space

Step One: Make sure the /tmp directory has enough space

# df -h

At this point, ensure that the directory occupancy is not 100% based on the output content.

Step Two: Restart rmt-server

# systemctl restart rmt-server

Solution 2: Change the cache directory

Step One: Make new cache directory

# mkdir /var/rmttmp

（Note: here is an example with making the new cache directory named /var/rmttmp）

Step Two: Change the owner of the new cache directory

# chown -R _rmt:nginx /var/rmttmp

（Note: here is an example with changing the owner of directory named /var/rmttmp）

Step Three: Change the

# systemctl edit rmt-server-mirror.service

Change partial content as follow:

[Service]
Environment=
Environment="LOG_TO_JOURNALD=1" "LANG=en" "TMPDIR=/var/rmttmp/"

（Note: here is an example with setting the new cache directory to /var/rmttmp/）

Step Four: Restart rmt-server-mirror.service

# systemctl daemon-reload
# systemctl restart rmt-server-mirror.service

Reference

https://support.scc.suse.com/s/kb/RMT-mirroring-fails-when-tmp-runs-out-of-disk-space?language=en_US

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[DEBUG] Linux resolve at command error ‘PAM failure: Authentication service cannot retrieve authentication info’

Error Reporting Command

> at

Error Code

PAM failure: Authentication service cannot retrieve authentication info

Reason

This user which inputted at command did not have password so there is no record relate to it in /etc/shadow file.
And at command need check the record in the file /etc/shadow.
If at command can not find the user's record in /etc/shadow, it output this error code.

Solution

And password to the suer:

> passwd