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--- docs:tips_n_tricks:linux.html [29.10.2022 13:40 CEST] – ↷ Page name changed from docs:tips_n_tricks:linux_system to docs:tips_n_tricks:linux.html peter
+++ docs:tips_n_tricks:linux.html [25.05.2023 23:58 CEST] (current) – peter
@@ Line 1: / Line 1: @@
-====== Linux System ======
+====== Linux ======
 {{entry>0/Linux|-}}{{tag>Linux}}
-===== Rescan Blockdevices / Reread Partition Tables =====
+===== Commands =====
+{{entry>0/Shell|-}}{{tag>Shell}}
+Some Linux commands seldom used - so sometimes not remembered
+^''which''   | find executables (candidates) |
+^ ''watch'' | repeat command and display output |
+^ ''pv''     | Pipe Viewer |
+===== System =====
+Some tipp 'n tricks to handle you linux system in seldom situations
+==== Rescan Blockdevices / Reread Partition Tables ====
 Tipps I found with variable usefullness:
@@ Line 32: / Line 41: @@
 {{tag>Linux Disk}}
-===== Force hard reset =====
+==== Force Soft RAID (mdadm) resync ====
+  echo "repair" > /sys/block/md127/md/sync_action
+__Credits:__ [[https://superuser.com/q/1081893|Superuser: how to force mdadm to sync to device after raid6 repair and how to get number of errors?]]
+{{entry>0/RAID|-}}
+{{entry>0/mdadm|-}}
+{{tag>Linux RAID mdadm}}
+==== Force hard reset ====
 In case you are in danger, that your remote system might hang while doing a clean shutdown, a "cold reboot" triggered by software might help
@@ Line 44: / Line 62: @@
 __Credits__ and further reading: [[http://www.linux-geex.com/?p=259|GEEX]], [[http://www.heise.de/ct/hotline/Gewaltsamer-Reset-unter-Linux-321064.html| ct' online]], [[http://kernel.org/doc/Documentation/sysrq.txt|kernel.org]] [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/sysrq.rst|git.kernel.org]]
-===== Reset USB device (bus?) =====
+==== Reset USB device (bus?) ====
 Regain access to an build-in card reader after
@@ Line 63: / Line 81: @@
 __Credits__: [[http://askubuntu.com/a/61165|How do you reset a USB Device from the command line? - Ask Ubuntu]]
-===== Avoid accidental wakeups after hibernate with systemd =====
+==== Avoid accidental wakeups after hibernate with systemd ====
 //Entries: {{entry>0/systemd|systemd}}, {{entry>0/hibernate|hibernate}}//
 {{tag>systemd hibernate}}