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Check HTTP header on multiple servers
How can we dump the HTTP header for a specified URL?
It’s not difficult since linux has such tools to do that, below is an example:
Filed in: Programming
Limit the size of Subversion commitment
Has your subversion repository ever been abused by massive commitments?
If not, I should say that you are lucky. Never mind that someday you might be abused as it’s hard to predict what the non-Ops are working on and trying to do.
Filed in: Applications, Programming
Regular expressions in Bash 3
Since version 3 which released in 2004, Bash acquired a regular expression operator “=~”, but I never noticed it, probably because grep sed or other commands works alternatively well. The regular expression is the same as egrep, you can find more details from man egrep.
Filed in: Programming
Check services status in Nagios by Nagcheck
I just created a script Nagcheck to read services status in Nagios. It reads all the nagios settings, parse them, then create a report based on what you ask for.
With this script, you can do the following things:
List the notification disabled (or enabled) hosts
Filed in: Programming
Python: initialize a list
I met this issue last week, and finally got a proper way to handle it.
We normally init a list like this “list=[]“, then how can we initialize a python list with a string variable?
Filed in: Programming
Synchronize subversion repositories with inotify-tools
Posted by joseph on June 16, 2011 · 5 Comments
How can I keep two subversion repositories synchronized on the fly?
As a known issues that system administrators may face, there’re serval ways to achieve that:
svnsync – As part of the official toolset, it would be a good solution. Anyway I will not use it.
SVK – Did not check it [...]
Filed in: Applications, Programming
Query domain name whois info by Python
In one of our former post, we give an example on how to query IP whois info by Python, here is an example on how to query whois information for a domain name.
#!/usr/bin/python
#encoding = utf8
Filed in: Programming
Upgrade and downgrade RubyGems
RubyGems is a package management framework for Ruby. You need to have an installation of RubyGems before applying the following changes to your system. To make sure whether you have installed RubyGems or not, run this command:
joseph@admon:~$ gem -v
1.5.2
See Gem for information on RubyGems (or ‘ri [...]
Filed in: Applications, Programming
MongoDB init script on Ubuntu
By default, MongoDB does not supply any auto start/stop scripts for instance management. Here we’ll share a smart script to do so. It’s tested OK on ubuntu servers, and should work on Debian too. All you need to do are two steps:
1, Create a configuration file for MongDB, which is located [...]
Filed in: Databases, Programming
Generate random Chinese character in Python
This is a python script that can be used to generate random Chinese characters. Funny script!
#!/usr/bin/python
import random
def rand_ch_ch():
Filed in: Programming
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Web Hosting: Netcat really owns it's title: the swiss army knife!...
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Hassan: I have an E1A14 Errror. Im new to servers, kindly tell what is...
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joseph: Welcome Eric! Your website makes a lot of sense, thank you!...
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Eric Hammond: I've listed the commands necessary for each step in this article ...
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