Category Archives: System Administration
Oracle removes gnome packages from its database requirements
As a sysadmin I try to make sure my servers will have the minimal installation needed in order for them to work. In most cases this policy works fine, but some applications depend on too much unneeded software like GUI … Continue reading
Network bonding types and configuration in Linux
A few days after the first time I created a network bonding device in Linux, I had to create two network bonding on the same machine. Sounds simple, but it seems that be default you can create only one device. … Continue reading
Filed under Red Hat Enterprise Linux, System Administration
Speed Up Multiple SSH Connections to the Same Server
Don Marti writes at linuxjournal about howto Speed Up Multiple SSH Connections to the Same Server. This seems very usefull – so enjoy.
Filed under System Administration
Why using Apache and mod_jk to redirect ports to Jboss/Tomcat ?
I’ve seen a lot of machines running both Apache with mod_jk just to redirect ports to Jboss/Tomcat or another Java application server. As most of the Java AS have a built in HTTP server and can “talk” with that protocol, … Continue reading
Filed under Free software applications, System Administration
kSar – Fixing bugs (almost) online
While working with kSar to visulize sar’s statistics, a friend found a bug with kSar. Most IT people don’t think they can have access to the developers, I reminded my friend that we’re dealing with an open source application and … Continue reading
Visualizing SAR’s data
When you build a server architecture for a project, your often want to test the performance afterwards. That’s true especially when the only way to know the application needs is to test them. Most distributions already come with the needed … Continue reading
Filed under Free software applications, System Administration
To separate or not to separate (the file systems)?
I have to handle some machines of commercial places which has a different standards about thier installations. The main difference is about creating a lot of file system instread of the normal few familiar in most distributions (/, /usr, /var, … Continue reading
Filed under System Administration
