Monthly Archives: September 2007

Demystifying VMSTAT

Vmstat, or virtual memory statistics, is one of the useful UNIX command an administrator can (always) use to check the performance of a server. This is specially useful to determine how a particular UNIX box is doing during it’s peak usage time. It shows information about various system resources and their related performance problems. An … Continue reading

OpenLDAP Installation Using Packages (pkgadd)

I would like to post an update on our previous OpenLDAP source installation, but I encountered an error so, enough with the source thing and let’s install one from packages which is available on Sunfreeware. OpenLDAP is an open source implementation of the Lightweight Directory Access Protocol. These build packages installs in /usr/local/ Requirements and … Continue reading

Set Up Environment Variable on Bourne, Bash, Korn and C-Shells

There are many shells available for the UNIX operating system. Among them are sh (bourne), csh (C), tsch (korn) and bash (bourne again) Shells. With all these shells, sometimes we can mix all the syntax when assigning values to a variables. Here’s is another review so you wont forget: C Shell (csh) or Korn (tcsh): … Continue reading

SCO Group (SCO UNIX) Is Bankrupt!

Santa Cruz Operation SCO Group, the same group that gave us SCO UNIX has filed bankruptcy last Friday. That is bad news not only for the SCO users and community but for the stock holders too! The bankruptcy that was filed was The Chapter 11 Bankruptcy! Meaning, the court will take over (with the creditor’s … Continue reading

Linux Desktops

The getent Command

For the UNIX side of things, we’ll try to feature one command a week that is commonly used in system/user administration on a UNIX box. If anyone wants to contribute more, then we may do one command every two days or ‘Unix Command for the day’. Something like that. For today, it’s all about getent. … Continue reading

configure: error: BDB/HDB: BerkeleyDB not available

After installing the required prerequisite for OpenLDAP installation, I ran into my first error in running the configure script: … checking db.h usability… no checking db.h presence… no checking for db.h… no configure: error: BDB/HDB: BerkeleyDB not available At first, I thought this was just a case of $PATH not set up properly (since /usr/local) … Continue reading