other versions
- Tumbleweed 2.47-1.1
- Leap-16.0
- Leap-15.6
| BLOGCTL(8) | The SUSE boot concept | BLOGCTL(8) |
NAME¶
blogctl - Control the boot loggind daemon blogd
SYNOPSIS¶
/sbin/blogctl [ping|quit [--wait]|root=<path>|ready|close|ask-for-password|ask-question|display-message|hide-message]
DESCRIPTION¶
blogctl may be used to check if a blogd daemon is active as well as to send comands to such a daemon.
COMANDS¶
The following commands are known:
- ask-for-password
- Ask the user for a password on the system console.
- --command=STRING
- Command to send the password to via standard input.
- --prompt=STRING
- Message to display when asking for the password.
- --number-of-tries=INTEGER
- Number of times to ask before giving up (requires --command).
- --dont-pause-progress
- Silently ignored by blogctl (provided for plymouth compatibility).
- ask-question
- Ask the user a question on the system console.
- --command=STRING
- Command to send the answer to via standard input.
- --prompt=STRING
- Message to display when asking the question.
- --dont-pause-progress
- Silently ignored by blogctl.
- display-message
- Display a message. blogd prints this message to all active hardware consoles and injects it into the boot log stream.
- --text=STRING
- The message text to display.
- hide-message
- Hide a message.
- --text=STRING
- The message text to hide. Note: blogd intentionally ignores the visual clearing of messages to prevent screen corruption and preserve the scroll buffer on line-based hardware consoles (like s390x 3215).
- ping
- Send a simply ping request if blogd daemon is up and running.
- quit [--wait]
- Cause the blogd daemon to finish its logging and then gracefully quits. If the optional --wait flag is specified, blogctl will block and wait until the daemon has fully flushed the logs and closed the connection.
- root=<path>
- This command take a path as further value of the new root file system which is mounted e.g. in initrd.
- ready
- Tells the blogd daemon that the file systems had becomes writable.
- close
- Cause the blogd daemon to finish its logging only to allow systemd(8) to unmount the file systems finally.
- deactivate
- This let the daemon disconnect from system console.
- reactivate
- Whereas this cause the daemon reconnect to system console.
- final
- Evoke the daemon to rename an already open log file /var/log/boot.log to the new name /var/log/boot.old as well as mask it own program name in the process table with the @ character.
- help
- Show a help text.
SEE ALSO¶
COPYRIGHT¶
2015,2026 Werner Fink, 2015 SUSE Linux GmbH, 2026 SUSE Software Solutions Germany GmbH.
AUTHOR¶
Werner Fink <werner@suse.de>
| January 14, 2016 | 3rd Berkeley Distribution |