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Ubuntu Linux

Change Password Using passwd Command Over SSH Based Session

I'm a new Ubutnu Linux user. I backup files to our corporate Unix backup server using the rsync command. The server only allow to upload/download files. I am unable to login to the server. How do change my password using the passwd command over ssh based session?
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Debian / Ubuntu Linux apt-get: Blacklist a Package From Installing

I've build my own lighttpd .deb package and I do not want to upgrade it using the apt-get command. Also, I do not want to upgrade a few more packages such as php5-cgi, httpd and so on. How do I blacklist a package or packages so that when I run apt-get upgrade, it will ignore blacklisted packages and install the rest of updates under Debian or Ubuntu Linux server system?
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I'm trying to run an application and getting the following error on screen:

error while loading shared libraries: libgobject-2.0.so.0

How do I fix this problem under Debian or Ubuntu 64 bit (amd64) Linux?
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Gnome Network Manager VPN Tab Disabled ( Greyed out )

I've the NetworkManager service is installed and started under Linux desktop. The applet is running. The NetworkManager can display available network hardware and wireless networks. But, I'm unable to add VPN support as the Add tab is greyed out. I need to use both PPTP and Cisco vpn clients. How do I fix this problem under Debian or Ubuntu Linux?
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Gnome Volume Control: Disabled Sound Themes

Problem is that every time I click something I get annoying sound from computer speaker. So I tried to disable or set new sound theme by visiting System > Preferences > Sound. The Sound Theme tab is greyed out. Sound itself is not working and I can only get annoying sound. How do I fix this problem under Debian or Ubuntu Linux gnome desktop system?
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Linux Display System Statistics Gathered From /proc

How do I display information from /proc such as memory, Load average, uptime, page activity, context, disk status, interrupts using a shell or perl script?
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Debian / Ubuntu Linux Disable / Remove All NFS Services

NFS was not designed with security in mind, and has a number of weaknesses, both in terms of the protocol itself and because any NFS installation must expose several daemons, running on both servers and clients, to network attack. I use my Debian / Ubuntu Linux based server only to server web pages and nothing else. How do I disable NFS services under Debian or Ubuntu Linux?
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Ubuntu Linux CD: Default Username and Password

Can you tell me the default username and password for an Ubuntu Live CD? How do I login using Ubuntu Linux live cd?
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Linux / UNIX: Untar / Extract a .lzma Tar Ball

I’ve downloaded a file called file.tar.lzma tar ball from the Internet but I am not able to open tar ball. How do I open or extract a .lzma file under Linux or UNIX like operating systems using command line options?
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Linux incrond inotify: Monitor Directories For Changes And Take Action

I want to copy (rsync to remote server) a directory tree whenever file uploaded or deleted in /var/www/html/upload/ directory under Linux operating systems for backup purpose and/or load balancing purpose without getting into complex file sharing setup such as NFS or GFS iscsi storage. How do I monitor /var/www/html/upload/ and its subdirectory for new files and executes rsync command to make copy back to www2.example.com:/var/www/html/upload/?
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