Here are simple instructions on how to configure network interface bonding on Red Hat based distros. The thing I always forget. There’s also a little script which will create a bonding interface bond0 between eth0 and eth1 and migrate existing IP settings from eth0. You can find it in the bottom of this post.
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First, create a key-pair with ssh-keygen. This is a one-time operation.
ssh-keygen -t dsa
It is good practice to enter a good password, but you may also leave the password empty. That will leave your private key vulnerable to local attacks, but if you need to login somewhere from a cron job, you probably need to do that.
The Subsystem Device Driver [SDD] is a pseudo device driver designed to support the multipath configuration environments in the IBM TotalStorage Enterprise Storage Server, the IBM TotalStorage DS family, the IBM SystemStorage SAN Volume Controller. It resides in a host system with the native disk device driver and provides the following functions:
- Enhanced data availability
- Dynamic I/O load-balancing across multiple paths
- Automatic path failover protection
- Concurrent download of licensed internal code
- Path-selection policies for the host system
Here’s a little script I made for starting and stopping Websphere MQ on a RHEL 4. It is useful for a simple configuration with one Queue Manager and listener. Just put your queue manager name in the QMGR variable and the listener port to the PORT variable, and save the script to your /etc/init.d.
