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Script: Checking Alive Servers from a Server List 23 May 2013 | 11:00 pm
With a list of servers, it is common that one or more are down or crash. Lots cluster management tools can detect the aliveness of servers. However, it can be easily done with ping with a Bash script....
Script: Running Commands on a List of Servers 22 May 2013 | 10:58 pm
I frequently run some commands/scripts on a batch of servers whose IPs are already collected in a file. I usually use a simple loop and call the ssh to run these commands remotely and automatically. T...
Script: Shutting Down All Xen VMs on a Server 21 May 2013 | 10:58 pm
Shutting down servers is a common operations for managing a cluster. However, if this server is configured to a Xen Dom0 and has Xen VMs (DomUs), the VMs should be shutdown first to avoid data lost on...
How to install Scala on Fedora Linux 20 May 2013 | 10:56 pm
How to install Scala on Fedora Linux How to install Scala on Fedora Linux : This tutorial introduces how to install Scala 2.9.2 on 64-bit Fedora Linux 17. There are some changes needed to make scala...
WordPress: How to use Markdown for writing posts 20 May 2013 | 10:30 pm
WordPress: How to use Markdown for writing posts : I like the Markdown editor whick is widely used (e.g. This site) and very convenient to use. Continue reading: WordPress: How to use Markdown for w...
How to delete all topics and posts from a user/spammer in myBB? 20 May 2013 | 10:20 pm
How to delete all topics and posts from a user/spammer in myBB? : This is a tutorial on “how to delete all topics and posts from a user/spammer in myBB”. Please check out the answer. Continue readin...
Question2answer: show excerpt in the RSS feed 20 May 2013 | 10:19 pm
Question2answer: show excerpt in the RSS feed : There is a “Include full text in feeds:” option in the “RSS feeds” configuration panel but no options/method to only show excerpt instead of the “full ...
How to exclude certain repositories in yum? 20 May 2013 | 10:17 pm
How to exclude certain repositories in yum? : This tutorial introduces how to exclude certain repositories in yum. Excluding certain repositories is needed usually. One example may be when you have s...
How to get the assembly code for OCaml code generated by ocamlopt? 20 May 2013 | 10:15 pm
How to get the assembly code for OCaml code generated by ocamlopt? : How to get the native assembly code (e.g. x86-64 asm) for OCaml code generated by the native ocamlopt compiler? Continue reading:...
Systems Conferences and Deadlines 10 Apr 2013 | 05:34 pm
I compiled a list of good systems conferences and deadlines for my own reference. Here I share the list and hope it can help others who also needs such a list. This list is kept updated. A PDF version...
