Author Archives: TKH Specialist
2012: A Look Back
- Jan
- 01
- Posted by TKH Specialist
- Posted in Announcements, Customers, Press Releases
Another year is coming to a close, and it’s time to look back and reflect on what we’ve accomplished in the past twelve months. Technical Know-How, Inc. is stronger than ever, and some of the accomplishments of the past year are definitely worth remembering. This past year saw a major upgrade to many of our […]
read moreX11 error on login to RedHat Servers
- Dec
- 21
- Posted by TKH Specialist
- Posted in redhat
I noticed that since the last set of patches many of my redhat 6 systems are reporting an X11 forwarding error after login: X11 forwarding request failed on channel 0 To correct this problem you need to install the following package yum install xorg-x11-xauth I have not had the time to investigate why this is […]
read moreA New Look
- Nov
- 15
- Posted by TKH Specialist
- Posted in Billing, Business, Customers
After putting it off for far to long we finally allocated some time for our site to get a much needed upgrade! You know the saying the Carpenter’s house… Well that is all behind us. With a recent reorganization and the consolidation of several back end systems we are now better equip to deal with […]
read moreCASify PSI-Probe
- Nov
- 07
- Posted by TKH Specialist
- Posted in CAS, Probe, tomcat
- 2
PSI-Probe is an extended Tomcat manager. This post outlines how to place it behind CAS and specify permissions based on an LDAP attribute. The method outlined in this post has been adapted from documentation from Jasig on Tomcat Container Authentication, written by Marvin S. Addison. Although the current stable build of PSI-Probe cannot be placed behind CAS […]
read moreExternal Mapping of LDAP attributes in CAS
- Oct
- 31
- Posted by TKH Specialist
- Posted in linux
- 2
One of the features that is attractive about CAS is it’s ability to pass LDAP attributes to a specified application via SAML. This functionality is starting to become more heavily used by our web developers, creating demand for more and more attributes to mapped. An issue arose from this; CAS must be rebuilt every time […]
read moreOpenLDAP: Bootstrapping a minimal cn=config
- Oct
- 01
- Posted by TKH Specialist
- Posted in linux, openldap
Here is how to bootstrap OpenLDAP’s slapd with an absolutely minimal configuration, without needing an intermediate slapd.conf, with one feature — the local root user (uid=0/gid=0) has “manage” access. From this point, ldapmodify can be used via ldapi to continue … Continue reading →
read moreNeed a quick proxy via SSH?
- Sep
- 14
- Posted by TKH Specialist
- Posted in linux, ssh
Need access to a web site, tucked behind a firewall? Do you already have a public SSH server set up to allow access, but not sure how to tunnel your HTTP session? It’s easy! ssh -N -D 127.0.0.1:8000 <user>@<ssh server … Continue reading →
read moreJuly 1 2012 Linux problems? High CPU/Load? Probably caused by the Leap Second!
- Jul
- 01
- Posted by TKH Specialist
- Posted in java, linux, tomcat
(Update posted, see below) As posted in multiple places around the web: Debian /etc/init.d/ntp stop date `date +”%m%d%H%M%C%y.%S”` Red Hat /etc/init.d/ntpd stop date `date +”%m%d%H%M%C%y.%S”` Update: This first manifested itself for us in our Java stacks — all of our … Continue reading →
read moreBuild a PaaS using Open Source Software
- Jun
- 29
- Posted by TKH Specialist
- Posted in linux, redhat, summit
Discussion about OpenShift. OpenShift has been fully open-sourced, available on GitHub for local deployment, or directly usable as a hosted solution. Rule #1: IaaS != PaaS Virtual machines : Application is not necessarily 1:1 Rule #2: PaaS is not a silver … Continue reading →
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