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Get ready people, the increase may look small but for those who use these routes daily it’s gonna cost them dearly over a long period.

Had to SSL on a test server running Tomcat 5 yesterday. This is how I did it. cd $CATALINA_HOME $JAVA_HOME/keytool -genkey -alias tomcat -keyalg RSA -keystore mycert.jks Enter keystore password:_ changeit_ What is your first and last name? [Unknown]: **Danesh Manoharan ** What is the name of your organizational unit? [Unknown]: IT What is the name of your organization? [Unknown]: My Comp. What is the name of your City or Locality? [Unknown]: KL What is the name of your State or Province? [Unknown]: KL What is the two-letter country code for this unit? [Unknown]: MY US Is CN=Danesh Manoharan, OU=IT, O=“My Comp.”, L=KL, ST=KL, C=MY correct? [no]: yes Enter key password for (RETURN if same as keystore password): Hit Enter. Tomcat will assume the password is “changeit” by default so it’s advised to leave it that way. Now let’s tell Tomcat to use the keystore file. ...

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Another issue that popped up tonight. The time on a payroll server seem to be slower then usual. Futher troubleshooting on the box revealed that it took 4 seconds to move 1 second on the server. This caused the payroll servers to stop communicating between each other as time sync was part of a security measure built into the payroll software we run here. Some googling later it seem to be a BUG with the kernel. The fix, suggested to either update the kernel, recompile the kernel or add some kernel parameters in GRUB to fix the issue. I decided to go with the kernel parameters because this was a production server and the downtime window was very slim. The fix, vi /etc/boot/grub.conf Add to the end of the kernel line. “clock=pit noapic nolapic” reboot and check time. “watch date” ...

We had a DC shutdown last night, been in the office for almost 20 hours now. I’m sleepy,tired,sticky,red eyed and the damn 10 year old RS6000 box running AIX 4.3 decided to stay down. The box was trying to connect to a NFS share on the network before the network services came up. This cause the RS6000 to stall at boot up. The fix the below fixed the problem. Restart the machine. Wait the the AIX splash screen to come up. Devices begin to initialize here. When you see the [keyboard] word on screen hit the F5 button or the 5 key depending on your console. Choose “single user mode” when the maintenance screen comes up. Edit the /etc/filesystems file and remove the NFS entries. Reboot. Hitting F1 or the 1 key will take you to the SMS (System Management Services) menu where you can access system configurations liek the network settings, boot sequence, firmware update and others…. ...