Recently I used curl command a lot in several Continuous Integration projects. I wrote this post to summarize a few commonly-used options. -s This option enables silent mode, in which progress bar and error messages will not shown -S This… Read More
two useful clients about ssh and vnc in ubuntu
I used Ubuntu Linux as development environment heavily in my daily work. It took me some time to find some useful tools. In this post, I record two of them as below: 1) vnc client Vinagre is the default remote… Read More
variable indirect expansion in bash
Usually in Bash scripting, we define a variable by giving it a name. and reference it later by using that name in the form of ‘${variable_name}’. This is the usual use case. However, there is another unusual use case. The… Read More