HOW TO : Enable wildcard domains in Squid
We were trying to modify some ACL (access control lists) in squid to allow traffic to certain websites. Instead of adding each individual hostnames in a...
HOW TO : pipe results between commands when using sudo
Let’s say you are running a command as sudo and need to pass the output to a different command using pipe, you would run sudo command1...
HOW TO : Capture network traffic on a Solaris server
If you don’t have tcpdump installed on your solaris server, you can use the “snoop” system command to capture network traffic. Here is the command line...
HOW TO : Get HDD performance stats in Linux
quick note for self hdparm -tT /dev/sdx sdx : actual device you want to test
HOW TO : Use awk to print values larger than certain number
Quick how to on using awk to filter results if a certain value (column) is larger than a set value. For example, if you have a...
HOW TO : Parse IP Address in Windows Batch File
We had a recent challenge at work which required us to execute different actions based on which office a particular workstation was located in. Since we...