Bash variable assignment examples
This section we will describe the following: 1. Variable assignment 2. Variable substitution 3. Built-in shell variables 4. Other shell...
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Bash redirect to file and screen
Redirection Forms File descriptor Name Common abbreviation Typical default 0 Standard input stdin Keyboard 1 Standard output stdout Screen 2...
Oracle rac standby database
To protect from site failures or human error, an additional precaution needs to be taken in a RAC environment to...
Patching oracle RAC Using opatch
patching a system most often meant downtime. But now, opatch supports rolling upgrades of the cluster, which minimizes the interruption...
How To Find weblogic bind ip address
When you are running multiple instances of weblogic per server. Each instance has its own server ip address. So for...
Netstat output explained | Linux
netstat command, a tool for tracking network connections (among other things) in your system. It is, without a doubt, one...
Linux ip address management
Now that host A has two interfaces (192.168.1.15 and 192.168.2.1) in addition to the loopback interface (127.0.0.1), we can observe...
Fstab options explained
/etc/fstab is a configuration file that mount can use. This file contains a list of all partitions known to the...
Move home directory Linux
Sometimes in the course of administration you might have to move a user and its files around. This section will...
Linux tar command examples
The tar command combines multiple files into a single large file. It is separate from the compression tool, so it...