If you run an Apache2 server then you have no doubt seen the following error messages a thousand times in your error.log file:
File does not exist: /var/www/robots.txt
File does not exist: /var/www/favicon.ico
As you know by now not having a favicon.ico file web browsers will requesting it each time. But you can tell Apache2 not to log the event as a mistake message.
You will still see the request in the access.log, but at least you will have a cleaner error.log file.
Solution:
Vzdump is a utility to make consistent snapshots of OpenVZ containers (and KVM virtual machines in case you are using Proxmox VE).
It fundamentally creates a tar archive of the container’s private area which also includes the CT configuration files.
The following steps are for Debian Squeeze Linux but vzdump can be used on all other linux distributions
1. Install Vzdump on Deian Squeeze:
apt-get install vzdump
You can also download and install vzdump from the follwing link:
http://download.openvz.org/contrib/utils/vzdump/
wget http://download.openvz.org/contrib/utils/vzdump/vzdump_1.2-4_all.deb
Tonido is a software and service that one time installed on any computer (Windows, Linux or Mac), can make files and media in that computer available anywhere through a web browser or from mobile rings (iPhone, Android, Blackberry or Windows Phone 7).
Install Tonido Cloud on Debian Squeeze:
1. Download Tonido cloud from the downloads page. (http://www.tonido.com/application_download.html)
wget http://www.tonido.com/download.php?TonidoSetup_i686.deb
2. Install Tonido :
dpkg -i --force-architecture TonidoSetup_i686.deb
3. Start Tonido using the following command:
PostgreSQL, often basically Postgres, is an object-relational database management method (ORDBMS) obtainable for lots of platforms including Debian , FreeBSD, Solaris, MS Windows & Mac OS X.
It is released under the PostgreSQL License, which is an MIT-style license, & is thus free & open source application. PostgreSQL is developed by the PostgreSQL Global Development Group, consisting of a handful of community volunteers employed & supervised by companies such as Red Hat.
Step1. PostgreSQL Installation:
apt-get install postgresql
Step2. PostgreSQL Configuration:
The main configuration file is located in : /etc/postgresql/8.4/main/postgresql.conf
Fist open the configuration file and make the following changes:
vim /etc/postgresql/8.4/main/postgresql.conf
and remove the “#” form line:
#password_encryption = on
Optional you can make the PostgreSQL to listen on any ip address:
Ssh can support forwarding traffic & act as a SOCKS proxy.
This is fantastic for encrypted browsing over unsecured wifi connections. You can setup Firefox, YM or any other SOCKS 5 compliant program to make use of the proxy. After executing the command below ssh will be listening on localhost (127.0.0.1) and you would then point your SOCKS compliant program to this ip and port that you specify below.
The command:
ssh -qTfnN2 -D 8080 -p 22 user@localhost
Explanations:
-q :- be very quite, we are acting only as a tunnel.
-T :- Do not allocate a pseudo tty, we are only acting a tunnel.
-f :- move the ssh process to background, as we don?t want to interact with this ssh session directly.
-N :- Do not execute remote command.
-p :- Port to connect to on the remote host.
-n :- redirect standard input to /dev/null.
-2 :- Forces ssh to try protocol version 2 only.
-D :- Specifies a local “dynamic” application-level port forwarding.This works
by allocating a socket to listen to port on the local side,and whenever a connection
is made to this port, the connection is forwarded over the secure channel, and the application
protocol is then used to determine where to connect to from the remote machine.
Currently the SOCKS4 and SOCKS5 protocols are supported, and ssh will act as a SOCKS server.
Only root can forward privileged ports.
Enjoy.
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