This article explains how to utilize Tor project in our own PHP application using Curl Library.
Tor is free software and an open network that helps you defend against a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security known as traffic analysis.
We start by installing and configuring Tor and the necessary software then we create a simple application that fetch a website address anonymously.
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The command we need to use to list the packages currently installed in Ubuntu or Debian is dpkg –get-selections. For example:
# dpkg --get-selections
acpi install
acpi-support-base install
acpid install
adduser install
apache2 install
apache2-mpm-prefork install
apache2-utils install
apache2.2-common install
apt install
apt-utils install
aptitude install
autoconf install
automake install
automake1.4 install
autotools-dev install
avahi-daemon install
bacula-common install
bacula-fd install
base-files install
base-passwd install
bash install
bind9-host install
binutils install
…
It will return a long list showing all the installed packages. To filter to specific list of packages, for example we only need to show java packages, combine it with grep, for example:
# dpkg --get-selections|grep java
java-common install
java-gcj-compat install
java-gcj-compat-headless install
libbcel-java install
liblog4j1.2-java install
liblog4j1.2-java-gcj install
libmx4j-java install
libpg-java install
libregexp-java install
sun-java6-bin install
sun-java6-jdk install
sun-java6-jre install
We can find the locations of the files within a package from the list by using the dpkg -L command, such as:
# dpkg -L sun-java6-jdk|more
/.
/usr
/usr/share
/usr/share/doc
/usr/share/doc/sun-java6-jdk
/usr/share/doc/sun-java6-jdk/changelog.Debian.gz
/usr/share/doc/sun-java6-jdk/copyright
/usr/share/doc/sun-java6-jdk/README.alternatives
/usr/share/doc/sun-java6-jdk/README.html
/usr/share/menu
/usr/share/menu/sun-java6-jdk
/usr/share/applications
/usr/share/applications/sun-java6-jconsole.desktop
/usr/share/lintian
/usr/share/lintian/overrides
/usr/share/lintian/overrides/sun-java6-jdk
/usr/share/doc-base
/usr/share/doc-base/sun-java6-jdk-readme
/usr/lib
/usr/lib/jvm
/usr/lib/jvm/java-6-sun-1.6.0.12
/usr/lib/jvm/java-6-sun-1.6.0.12/include
/usr/lib/jvm/java-6-sun-1.6.0.12/include/linux
/usr/lib/jvm/java-6-sun-1.6.0.12/include/linux/jni_md.h
/usr/lib/jvm/java-6-sun-1.6.0.12/include/linux/jawt_md.h
/usr/lib/jvm/java-6-sun-1.6.0.12/include/jni.h
/usr/lib/jvm/java-6-sun-1.6.0.12/include/jdwpTransport.h
…
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