Managing Windows servers with Rundeck?

I've been using rundeck (an automation platform) to manage Linux servers for quite a while. Recently I've expanded the practice to Windows servers and have had some difficulties with authentication because either OS packages or Python modules were missing. Rundeck supports 4 types of authentication -- basic, credssp, ntlm, kerberos for the Windows system. It … Continue reading Managing Windows servers with Rundeck?

Another reason for verify_queryable_inventory returned ORA-20001: Latest xml inventory is not loaded into table

In another post I wrote some time ago, I ran into the error ORA-20001 during the datapatch of a 19c upgrade. I got the same error but with a different reason this time: temp data files missing due to OS changes. So we moved a 12c datatabase from Oracle Linux 6 to Oracle Linux 8 … Continue reading Another reason for verify_queryable_inventory returned ORA-20001: Latest xml inventory is not loaded into table

BASH auto complete doesn’t work? Watch out the mount option “noexec”

BASH is one of popular shell environment on Linux OS. And when using it, everyone loves the auto complete feature, you just tab after you enter first few letters and BASH will match commands/files for you. However, a few weeks ago when I went into a newly staged Oracle Linux 8 system with some kind … Continue reading BASH auto complete doesn’t work? Watch out the mount option “noexec”

Could not open file /var/log/sssd/sssd.log –Permission denied

This was the exactly the same problem I ran into before on auditd. The log directory for sssd was recreated somehow but the context of SELinux was not restored. That caused even root could not create the sssd logs under the directory and the service could not start. sssd[sssd][17594]: Could not open file [/var/log/sssd/sssd.log]. Error: … Continue reading Could not open file /var/log/sssd/sssd.log –Permission denied

RollbackSession failed in system modification phase — Archive not rolled back

When patching a 19c database, I ran into an issue when it's trying to roll back the old OJVM patch and applying the newer one. UtilSession failed: RollbackSession failed in system modification phase... 'Archive not rolled back /opt/oracle/190000/.patch_storage/33561310_Jan_5_2022_08_13_10/files/lib/libserver19.a/joxwtp.o to /opt/oracle/190000/lib/libserver19.a... ' OPatch failed with error code 73 It's strange because I could see the backup … Continue reading RollbackSession failed in system modification phase — Archive not rolled back