Linux

The OpenSSH client has a verbose parameter that can be used to debug connection issues related to ssh. There are three levels of verbose one […]

One can schedule an interactive job in SGE by using This can be combined with the -l parameter to specify a specific queue

The PBS job scheduler can allow for running an interactive job by specifying a parameter in the qsub command. One can also specify a queue […]

To change the shell for a user in linux one can use the usermod command and the “-s” parameter. Specify whichever shell you like after […]

Tee is a useful command in linux that will allow one read from standard input and write to standard output. This is particularly useful when […]

A useful video that demonstrates how to install and configure an apache web server on linux. It includes enabling the service, modifying iptables, starting, and […]

The find command can be used to find a list of symbolic links. The command above will find all symbolic links within “/dir” and perform […]

To convert a lower case string to uppercase one can use the echo (prints a line of text) and tr (translates=) command. An example is […]

You may occasionally need to kill a process in linux. The “kill” command in linux will do the job well. Combine kill with the “ps” […]

When using the Sun Grid Engine (SGE) it is useful to see a user’s specific jobs rather than seeing all jobs that are currently queued […]