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August 17, 2019 – 8:04 pm

Consider this not-so-hypothetical scenario: you have some data on server_a that you would like to copy to server_b. Unfortunately, these two servers cannot communicate with each other. Nor do they have access to any common …

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Unix and Linux network configuration. Multiple network interfaces. Bridged NICs. High-availability network configurations.


Reviews of latest Unix and Linux software. Helpful tips for application support admins. Automating application support.


Disk partitioning, filesystems, directories, and files. Volume management, logical volumes, HA filesystems. Backups and disaster recovery.


Distributed server monitoring. Server performance and capacity planning. Monitoring applications, network status and user activity.

Commands & Shells

Cool Unix shell commands and options. Command-line tools and application. Things every Unix sysadmin needs to know.

Move USER to new primary group

November 19, 2005 – 10:41 pm

A sample process for moving a user to a new primary home group on Solaris.

Check if Solaris supports 64-bit applications

November 19, 2005 – 10:41 pm

How to determine if your installation of Solaris supports 64-bit applications.

Unix Files Transferred To CD

November 19, 2005 – 10:40 pm

In our example we were requested to archive a 741 mb directory to CD. The source data resided on a Unix data server.

Remotely mount cdrom

November 19, 2005 – 10:39 pm

Here’s an example of how to mount a cdrom on Solaris from a remote ISO image via NFS.

Useful awk one-liners

November 19, 2005 – 10:38 pm
colorful shells

Useful awk code snippets for your sysadmin tasks.

Copy directory structure and files with cpio

November 19, 2005 – 10:38 pm

A basic command to copy directory structure and contents using cpio.

Using FTP with pipes

November 19, 2005 – 10:37 pm

Pipe in Unix is a method of passing information from one command to another. The pipe take the output of the first command and sends it as input for the second command. The a second …

Create TAR and pipe through gzip

November 19, 2005 – 10:36 pm

A simple example of creating a gzip-compressed tar archive of the current directory.

Fsck operations

November 19, 2005 – 10:36 pm

The following is a collection of examples using fsck command. It is important to unmount VXFS before running fsck on Veritas filesystem.

RSync remote copy

November 19, 2005 – 10:35 pm

The following is an example of using rsync to perform a irectory copy between two hosts over the network.

Oracle reinstallation

November 19, 2005 – 10:35 pm

Before beginning Oracle REinstall, make sure to remove the /var/opt/oracle/oraInst.loc file created by /tmp/orainstRoot.sh script during prior installation.
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Create and mount ISO image under Solaris

November 19, 2005 – 10:33 pm

Here’s an example of creating and mount a CS ISO image under Solaris.