HOW TO : Use iostat to check network share performance
Use the following option to check out how network (NFS) shares are performing on your sever [code]iostat -n 2[/code] The -n option tells iostat to just...
Linux
HOW TO : Use screen to multitask
Want your terminal to look like this? In addition to the coolness, factor it also helps you do (monitor) multiple things at a time. In this...
HOW TO : grep options to display before and after lines of matching content
For my own notes.. if you are using grep to parse through the contents of a file and want to see the preceding or proceeding content...
HOW TO : Use templates in puppet to pass hostnames
puppet, is a configuration management framework that can be used to perform several different things to validate/configure your infrastructure. We have been using puppet for sometime...
HOW TO : Configure Jboss to use hugepages in RHEL/CentOS
Most of us worry about paging to disk (swap), but if you are running a transaction intensive application the paging that happens in RAM also starts...
HOW TO : Install RPM packages without checking gpg key
This is on RHEL and CentOS distros. If you want to install packages without checking the GPG key (hope you know why you are doing this!!),...