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--- apache_sitedown [2016/05/23 08:24] – luke7858
+++ apache_sitedown [2024/05/23 07:26] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+Note: I have written a python script to check a system and report back on any potential Out-Of-Memory issues:
+<sxh bash>
+curl -s https://raw.githubusercontent.com/LukeShirnia/out-of-memory-investigation.py/master/oom.py | python
+</sxh>
+\\
+\\
 == Step 1 ==
 did apache hit max clients?
@@ Line 23: / Line 29: @@
 Summarise date and times the server ran out of memory (CentOS/RHEL):
 <sxh bash>
-zgrep -i 'killed process\|invoked oom' /var/log/messages* | awk '/Killed process/ {print $1, $2, $3}' | awk -F: '{print $2}' | uniq -c
+zgrep -i 'killed process\|invoked oom' /var/log/messages* | awk '/Killed process/ {print $1, $2, $3}' | awk -F: '{print $2}' | uniq -c | sort -k2,3r
 </sxh>
 <sxh bash>
@@ Line 39: / Line 45: @@
 May 9 (driveclient)
 </sxh>
+\\
 Debian/Ubuntu
 <sxh bash>
 zgrep -i 'killed process\|invoked oom' /var/log/syslog* | awk '/Killed process/ {print $1, $2, $3}' | awk -F: '{print $2}' | uniq -c
 </sxh>
+\\
+\\
 ==Step 3 ==
 Check to see if the website received traffic during the period of 'down time'