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-rw-r--r--Documentation/admin-guide/kdump/kdump.rst10
1 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/admin-guide/kdump/kdump.rst b/Documentation/admin-guide/kdump/kdump.rst
index cb30ca3df27c..a748e7eb4429 100644
--- a/Documentation/admin-guide/kdump/kdump.rst
+++ b/Documentation/admin-guide/kdump/kdump.rst
@@ -146,9 +146,9 @@ System kernel config options
CONFIG_SYSFS=y
Note that "sysfs file system support" might not appear in the "Pseudo
- filesystems" menu if "Configure standard kernel features (for small
- systems)" is not enabled in "General Setup." In this case, check the
- .config file itself to ensure that sysfs is turned on, as follows::
+ filesystems" menu if "Configure standard kernel features (expert users)"
+ is not enabled in "General Setup." In this case, check the .config file
+ itself to ensure that sysfs is turned on, as follows::
grep 'CONFIG_SYSFS' .config
@@ -533,6 +533,10 @@ the following command::
cp /proc/vmcore <dump-file>
+or use scp to write out the dump file between hosts on a network, e.g::
+
+ scp /proc/vmcore remote_username@remote_ip:<dump-file>
+
You can also use makedumpfile utility to write out the dump file
with specified options to filter out unwanted contents, e.g::