I got the following alert:
chkrootkit output was not as expected.
The difference is:
--- [ BEGIN: diff -u /var/log/chkrootkit/log.expected /var/log/chkrootkit/log.today ] ---
--- /var/log/chkrootkit/log.expected 2024-11-24 18:41:09.278624066 +0100
+++ /var/log/chkrootkit/log.today 2025-10-27 00:00:50.680156479 +0100
@@ -144,7 +144,8 @@
Searching for RotaJakiro backdoor rootkit... not found
Searching for Syslogk LKM rootkit... not found
Searching for Kovid LKM rootkit... not tested
-Searching for suspect PHP files... not found
+Searching for suspect PHP files... /usr/bin/find: ‘/var/tmp/systemd-private-f40df39b74cd464c8f5ac59a4648f5a6-logrotate.service-gDYDJi’: No such file or directory
+not found
Searching for zero-size shell history files... not tested
Searching for hardlinked shell history files... not tested
Checking `aliens'... finished
--- [ END: diff -u /var/log/chkrootkit/log.expected /var/log/chkrootkit/log.today ] ---
To update the expected output, run (as root)
# cp -a -f /var/log/chkrootkit/log.today /var/log/chkrootkit/log.expected
# (note that unedited output is in /var/log/chkrootkit/log.today.raw)
------------------------------------------------------------------------
"No such file or directory" warnings from /usr/bin/find should be
filtered out.