January 10, 2012
Problem: When you use PuTTY to SSH to a RHEL machine, you get an “Access denied” error displayed before the prompt for your password. Solution: Edit /etc/ssh/sshd_config and set GSSAPIAuthentication no Then /etc/init.d/sshd restart
Filed under: Linux | Comments (0)
December 14, 2011
Sometimes the hardest part of improving your productivity is being able to notice that you’re doing something sub-optimal multiple times each day. I was sitting hacking on some documents this morning when I realized that I frequently follow this usage pattern: Locate a file, using the locate command—often a Linux configuration file of some sort. [...]
Filed under: Linux, System administration | Comments (0)
July 19, 2011
How to get your IBM Lotus Domino server to send its logs to syslog.
Filed under: Domino, Linux, Ruby, System administration | Comments (0)
March 29, 2011
When you have IBM Lotus Domino in your organization, sooner or later you come up with a requirement to move data between Domino and some other system–often a relational database. There are many ways to do this, and not much guidance is offered as to which to pursue, so here’s a summary of my own [...]
Filed under: Domino, Java, Linux, LotusScript, Programming | Comments (0)
November 30, 2010
Here’s how to get non-broken syslog output on RHEL: yum install rsyslog Modify the appropriate line of /etc/sysconfig/rsyslog to say SYSLOGD_OPTIONS=”-c3″ Insert the following two lines at the top of /etc/rsyslog.conf: $template RFC5424fmt,”<%PRI%>1 %TIMESTAMP:::date-rfc3339% %HOSTNAME% %syslogtag%%msg%\n” $ActionFileDefaultTemplate RFC5424fmt It’s probably then a good idea to disable the old syslog. You can also use rsyslog to [...]
Filed under: Linux, System administration | Comments (0)
October 22, 2010
To get a list of all the software installed on your system, in descending order of bloatedness, with descriptions: rpm -qa –queryformat=”%10{size} %{NAME} – %{SUMMARY}\n” | sort -k1,1nr
Filed under: Linux, System administration | Comments (0)
October 8, 2010
Getting an HTTP JVM: java.security.InvalidKeyException: Illegal key size error trying to use cryptography in a Java agent in IBM Lotus Domino? You need to update your server’s policy files. Here’s how.
Filed under: Domino, Java, Linux | Comments (0)
April 12, 2010
A script to safely and automatically remove unneeded kernels from Ubuntu systems.
Filed under: Linux, Ruby, System administration | Comments (3)
March 22, 2010
The first time you run IBM Lotus Domino server on a new Red Hat Enterprise Linux (RHEL) box, you get the following message: WARNING: the maximum number of file handles (ulimit -n) allowed for Domino is 1024. See Release Notes and set the allowable maximum to 20000. This message is less than ideal for a [...]
Filed under: Domino, Linux, System administration | Comments (0)
December 1, 2009
A post about the three types of null value in LotusScript, and how they differ.
Filed under: Domino, Java, Linux | Comments (0)