Here we will go over the steps of creating a DOS bootable flash disk for use for updating firmware on controllers and on motherboards.  Keep in mind for UEFI installed systems, the preference is to use UEFI USB flash disks that is out of scope of this post.  We will do this by demonstrating two […]

How to get connected to an old Power5 IBM server (9133-55A) using a null modem and a serial-to-usb RS-232 adapter cable.  In this case we will be using Linux.  First connect your cabling, null model to your Power5 and the RS-232 serial port to the null modem followed by plugging the USB end to a […]

RJ45 to DB9 console adapter wiring quick setup guide.  First purchse a DB9 to RJ45 adapter as below.  It will come looking like the one below.  Looks harder then it is but it is designed to be made and remade hence why it's shipped this way.  The pins plug in to the female terminator like USB […]

Using DD-WRT I ended up in a situation with constant disconnects.  Couldn't get much from DD-WRT even with using syslogd to forward to my server for review, however windows provided the following from event viewer that let me to believe it was something with the DHCP configuration on my second DD-WRT router: Your computer was […]

Enable rsyslog listening on server: # cat /etc/rsyslog.d/remote.conf # Provides UDP syslog reception $ModLoad imudp $UDPServerRun 514 # Provides TCP syslog reception $ModLoad imtcp $InputTCPServerRun 514 # Create a log file for each host $template FILENAME,"/var/log/rsyslog/%fromhost%.log" *.* ?FILENAME # Or this rsyslog.conf file: [root@mbpc-pc log]# grep -Ev "^#" /etc/rsyslog.conf | sed -e "/^$/d" $ModLoad imuxsock […]

When you see this: The authentication server returned an unexpected error: ns0:RequestFailed: IDM threw unexpected error during authentication :: Native platform error [code: 9234][null][null]. The error may be caused by a malfunctioning identity source. it can also mean a bad user/password combination: domain\user01 pass instead of something like this: rightdomain\user01 pass Cheers, TK

What if we get this: # find ./ -iname *package* find: paths must precede expression: package.tar.gz Usage: find [-H] [-L] [-P] [-Olevel] [-D help|tree|search|stat|rates|opt|exec] [path…] [expression] # Then use single quotes or double quotes instead: # find ./ -iname '*package*' Cheers, TK

What if this is seen: # keytool -importcert -keystore /path/to/my.keystore -storepass CorrectPass -trustcacerts -file ca.crt -noprompt -alias MyAlias keytool error: java.lang.Exception: Certificate not imported, alias <MyAlias> already exists # Then you may do this to remove the CERT if you plan to redo it. # keytool -delete -keystore /path/to/my.keystore -storepass CorrectPass -alias rhq-ca # Followed […]

What if you get this: # keytool –list -keystore /path/to/trust.keystore Enter keystore password: keytool error: java.io.IOException: Keystore was tampered with, or password was incorrect # Then you may add this to resolve it: -storepass CorrectPass Cheers, TK

What if this is seen: # keytool -list keytool error: java.lang.Exception: Keystore file does not exist: /root/.keystore # Then this can be done to resolve it, specify the actual keystore location to use: keytool –list -keystore /path/to/some/trust.keystore Cheers, TK