Archive for category Linux_D
How to enable apache modules in Debian/Ubuntu-likes
Simple:
sudo a2enmode rewrite
Install Duplicity on Linux(CentOS)
Duplicity backs directories by producing encrypted tar-format volumes
and uploading them to a remote or local file server.
Firstly, enable two important repo
http://www.linuxdict.com/2009-06-enable-two-important-repo-for-centos-5
Secondly, install Duplicity
$sudo yum install -y duplicity
Finally, Use it.
$duplicity –help
Following is a short tutorial
Read the rest of this entry »
Show the Bash History with date
echo 'export HISTTIMEFORMAT="%d/%m/%y %T "' >> ~/.bash_profile
Finished 
run history command, the output should looks like the following.
1014 12/03/10 01:13:44 who -r
1015 12/03/10 01:13:45 history
mount: you must specify the filesystem type
I have one raw file contains system:
$file my.raw
my.raw: x86 boot sector; partition 1: ID=0×83, active, starthead 1, startsector 63, 64259937 sectors; partition 2: ID=0×5, starthead 254, startsector 64260000, 2843505 sectors
try
$mount -o loop my.raw /mnt
mount: you must specify the filesystem type
Solution:
$mount -o loop,offset=32256 my.raw /mnt
Root:
The number too big for calculations, so set offset here.
Happy Spring Festival
Enjoy yourself, Have a good Time.
Another Easy and Free Mail Groupware
There is Zimbra Groupware for the enterprise. also there is one more choice: Citadel Groupware
Citadel Groupware is a turnkey open-source solution for email and collaboration. One simple installation delivers a multitude of powerful features, including:
email
calendaring/scheduling
address books
bulletin boards
mailing list server
instant messaging
wiki
multiple domain support
a powerful web interface
The web server/Mta are all tagged with Cit, of course you can change web server to Apache. it support spam and anti-virus.
very easy install step on Ubuntu
sudo apt-get install clamav clamav-milter spamassassin citadel-suite amavisd-new -y
then goto http://urip/ to test
Official site: http://www.citadel.org/doku.php
Free Virtual Tools for Us
There are several virtual tools for us.
Vmware is very popular, we need pay for it.
but there is a good tool that can create vmx file, and we can download the Vmware player(FREE). and play it.
Here is the site: http://easyvmx.com/
We still have Virtualbox for another choice, most important it is FREE, very good too.
Preparation Enable the Dag repo
Preparation
Enable the Dag repo
rpm -Uhv \
http://apt.sw.be/redhat/el5/en/x86_64/rpmforge/RPMS//rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm
Enable the Epel repo
rpm -ivh http://download.fedora.redhat.com//pub/epel/5/`uname -i`/epel-release-`cut -d” ” /etc/redhat-release -f 3 |awk -F”.” ‘{print $1}’`-`cut -d” ” /etc/redhat-release -f 3 |awk -F”.” ‘{print $2}’`.noarch.rpm
Install the gcc and other tools
yum install -y make gcc gcc-c++ ncurses-devel.x86_64 automake autoconf boost-devel.x86_64 libedit-devel.x86_64 fuse-devel.x86_64 rpm-build.x86_64
Get the kernel source from kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.29.1.tar.bz2
Get the Ceph-0.8 sources package
from: http://ceph.newdream.net/download/
http://ceph.newdream.net/download/ceph-0.8.tar.gz
Proceed
Install versioned_urls plugin
Install versioned_urls plugin via
script/plugin install http://svn.lingr.com/plugins/versioned_urls
Add appropriate rewriting and cache-header-pushing configuration to your web servers, e.g., for lightty:
url.rewrite-once = ( “^/(.*.(css|js|gif|png|jpg)).v[0-9.]+$” => “/$1″ )
expire.url = ( “/stylesheets/” => “access 10 years” ,
“/javascripts/” => “access 10 years”,
“/images/” => “access 10 years” )
More details
http://blog.dannyburkes.com/2006/11/2/versioned-urls-for-rails/
we are back
we are back, for some reason, the account is locked.
Earn more money, we can setup our own server.
my http://www.twitter.com/edyliu
make a backup firstly!