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Formatting — it’s all command output.
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Stephen Kitt
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To list failed units/services
 

$ systemctl --failed

UNIT LOAD ACTIVE SUB DESCRIPTION
● ipmievd.service loaded failed failed Ipmievd Daemon
● kdump.service loaded failed failed Crash recovery kernel arming

LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.

2 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.

$ systemctl --failed

  UNIT            LOAD   ACTIVE SUB    DESCRIPTION<br>
● ipmievd.service loaded failed failed Ipmievd Daemon<br>
● kdump.service   loaded failed failed Crash recovery kernel arming

LOAD   = Reflects whether the unit definition was properly loaded.<br>
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.<br>
SUB    = The low-level unit activation state, values depend on unit type.<br>

2 loaded units listed. Pass --all to see loaded but inactive units, too.<br>
To show all installed unit files use 'systemctl list-unit-files'.

To list failed units/services
 

$ systemctl --failed

UNIT LOAD ACTIVE SUB DESCRIPTION
● ipmievd.service loaded failed failed Ipmievd Daemon
● kdump.service loaded failed failed Crash recovery kernel arming

LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.

2 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.

To list failed units/services

$ systemctl --failed

  UNIT            LOAD   ACTIVE SUB    DESCRIPTION<br>
● ipmievd.service loaded failed failed Ipmievd Daemon<br>
● kdump.service   loaded failed failed Crash recovery kernel arming

LOAD   = Reflects whether the unit definition was properly loaded.<br>
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.<br>
SUB    = The low-level unit activation state, values depend on unit type.<br>

2 loaded units listed. Pass --all to see loaded but inactive units, too.<br>
To show all installed unit files use 'systemctl list-unit-files'.
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akme
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To list failed units/services

$ systemctl --failed

UNIT LOAD ACTIVE SUB DESCRIPTION
● ipmievd.service loaded failed failed Ipmievd Daemon
● kdump.service loaded failed failed Crash recovery kernel arming

LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.

2 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.