Skip to main content

Posts

Showing posts from 2012

Linux useful commands for Apache

When Apache run on linux, there are several usefull commands:

Assumption: Apache is installed on /sw/pkg/apache.

See server status
/sw/pkg/apache/bin/apachectl

Validate configuration files
/sw/pkg/apache/bin/httpd -t

Stop apache
/sw/pkg/apache/bin/apachectl -k stop

See server version
/sw/pkg/apache/bin/httpd -v

See who listen on port 80
netstat  | grep 80
netstat -ltnp | grep ':80'

Installing Apache on linux

Summary of page Compiling and Installing - Apache HTTP Server

Download files Download (1) apr (2) apr-util (3) pcre (4) httpd.

apr and apr-utils from http://apr.apache.org/.  pcre from http://www.pcre.org/httpd from http://httpd.apache.org/download.cgi
Compile APR tar -xvzf apr-1.4.6.tar.gz

cd apr-1.4.6/
./configure
make
make install
Compile APR-UTIL
tar -xvzf apr-util-1.4.1.tar.gz

cd apr-util-1.4.1
./configure --with-apr=/usr/local/apr
make
make install
Compile PCRE
cd pcre-8.31
./configure --with-apr=/usr/local/apr
make
make install
Compile HTTPD
tar -xvzf httpd-2.4.1.tar.gz

cd httpd-2.4.1
./configure --enable-file-cache --enable-cache --enable-disk-cache --enable-mem-cache --enable-deflate --enable-expires --enable-headers --enable-usertrack --enable-ssl --enable-cgi --enable-vhost-alias --enable-rewrite --enable-so --with-apr=/usr/local/apr/ --prefix=/sw/pkg/apache

make
make install
cd ..

What is PKI

PKI = Public Key Infrastructure
(Resource) Method of asserting the identity and validity of a person (or entity) that you have not previously met or interacted.

It use of certificates containing identifying information and public keys (these certificates are more properly called X.509 certificates).

PKI accomplishes this by defining a central authority who is mutually trusted by all users of the system.


SSL in pictures

Here is my summary on SSL (or as I like to call it 'SSL for dummies')

Digital signature in pictures

I never remember what happens when digital signature is used. So here is my summary 'Digital signature for dummies'.

Great eclipse plugins

EditBox - Eclipse plugin for highlighting the background of the source code.

Patches for HP ALM

Patches for HP ALM (QC) cab be downloaded from Patch Search