Details for systemd. kubectl without clusterAdmin

backend/probes/default.json

@@ -283,7 +283,7 @@
         }
    },
    "k8s Pods": {
-        "command"   : "kubectl get pods -A 2>/dev/null | egrep -i 'Err|Failed|ImagePull|Pending|Creating'",
+        "command"   : "(kubectl get pods -A 2>/dev/null || kubectl get pods 2>/dev/null) | egrep -i 'Err|Failed|ImagePull|Pending|Creating'",
         "local"     : "True",
         "localOnly" : "True",
         "initial": "True",
@@ -298,7 +298,7 @@
         }
    },
    "k8s PVCs": {
-       "command": "kubectl get pvc -A 2>/dev/null | egrep -i 'Failed|Pending'",
+       "command": "(kubectl get pvc -A 2>/dev/null || kubectl get pvc 2>/dev/null) | egrep -i 'Failed|Pending'",
        "local"     : "True",
        "localOnly" : "True",
        "initial": "True",

frontend/notebooks/systemd.md

@@ -1,12 +1,43 @@
 # %% [markdown]
 ## Debugging Systemd Problems
 
+# %% [markdown]
+Status for a specific unit
+# %% [shell]
+systemctl status dbus
 # %% [markdown]
 Failed systemd units
 
 # %% [shell]
 systemctl --failed
 # %% [markdown]
-Status for a specific unit
+Reset a failed unit. This is useful if the restart of a unit runs into a rate limit and you cannot restart it anymore.
+# %% [shell]
+systemctl reset-failed <unit>
+# %% [markdown]
+### Modifying Units
+# %% [shell]
+systemctl edit <unit>
+systemctl daemon-reload
+# %% [markdown]
+### Performance Debugging
+# %% [shell]
+systemd-analyze blame
+# %% [markdown]
+### Logging Disk Space
+
+Show used disk space
+# %% [shell]
+journalctl --disk-usage
+# %% [markdown]
+Force a log rotation
+# %% [shell]
+journalctl --rotate
+# %% [markdown]
+Drop all logs older 2 days
+# %% [shell]
+journalctl --vacuum-time=2d
+# %% [markdown]
+Free everything until only 100MB used
 # %% [shell]
-systemctl status dbus
+journalctl --vacuum-size=100M