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Finding the right name for your Intel graphics chipset
The output of lspci does not always provide enough information about graphics card and integrated graphics chipsets : fool@localhost:~$ lspci -nn |egrep “VGA|Display” 00:02.0 VGA compatible controller...
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audio codec family [mpg123] (afm=mpg123) not available
This message can occur while listening to a webradio with mplayer. Here is a more detailed message : Requested audio codec family [mpg123] (afm=mpg123) not available. Enable it at compilation. Opening...
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[AO_ALSA] alsa-lib: conf.c:3406:(config_file_open)...
With the recent upgrade of pulseaudio to version 1.1-3, you will probably encounter error messages while playing an audio file as the ones below : [AO_ALSA] alsa-lib: conf.c:1220:(parse_def) show is...
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Installing Debian packages with debtags
You can make searches for package(s) through apt-cache and other GUI related tools. Debtags provides a different way to do the same kind of job : debtags To install it : root@localhost:~#apt-get...
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debug1: An invalid name was supplied Cannot determine realm for numeric host...
If you have a slow SSH connection to a server with the following message : debug1: An invalid name was supplied Cannot determine realm for numeric host address Make sure that the server you try to...
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CHECK_NRPE: Error – Could not complete SSL handshake
If you have this error “CHECK_NRPE: Error – Could not complete SSL handshake” while configuring Nagios or Centreon, make sure that your (Nagios|Centreon) poller IP address is allowed in the remote...
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Installing the VirtualBox guest additions for Linux
If your host OS is Windows with a Linux flavor as a guest OS, here is a quick reminder of the steps to proceed to install or update the current VirtualBox guest additions. The VirtualBox guest...
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CPAN and the Debian Perl Policy
Perl is famous for its tremendous number of modules ready to use. They can be fetched and installed from the Comprehensive Perl Archive Network (CPAN) One of the best way to add new modules into your...
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Installing Oracle Java plug-in for Iceweasel
Some web-based management tools use Java applets to perform configuration tasks. Within Debian Squeeze, you have two JRE available : openjdk-6-jre and sun-java6-jre. Concerning web browsers, two kinds...
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The security certificate presented by this website was not issued by a...
If you are running several namebased SSL VirtualHosts with mod_GnuTLS, you need to provide the adequate intermediate certificate to check that your SSL certificates chains are valid. With mod_GnuTLS,...
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Exim4 and /var/mail/mail
Exim4 does not transfer mails to the root user by default. If you’re trying to test Exim4 by sending an email to the root user, it will never be delivered to root user.That’s a default configuration...
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PHP Warning: PHP Startup: Unable to load dynamic library...
If you are running Debian Wheezy with Apache2 and PHP, the spool of your system mail box may be full of this message : PHP Warning: PHP Startup: Unable to load dynamic library...
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exim4: ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail...
/var/log/syslog has been populated with this error message for quite a while : exim4: ALERT: exim paniclog /var/log/exim4/paniclog has non-zero size, mail system possibly broken To stop filling syslog...
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Disabling IPv6 in Network Manager on Debian Wheezy
If you think that getting an dynamic IP from your ISP box is taking too much time, have a look at how Network Manager is working on your system. Maybe, it is trying to fetch an IP address within a IPv6...
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mplayer : audio device got stuck
If mplayer is displaying errors messages quite often like this one : “audio device got stuck”, here is a workaround. Add the following option : -ao alsa:device=hw=0.0 How to find the information...
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brcmsmac does not support power saving; use wl driver for better laptop power...
Broadcom provides three drivers for their Wi-Fi chipsets : brcmsmac : Open source kernel driver wl : Proprietary Broadcom STA driver The open source kernel driver can not manage power saving. wl driver...
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Nautilus URL bar in Gnome 3
By default in Gnome 3, Nautilus URL bar is not available within the window. If you want to type an URL such as a path towards a smb share, Just type Ctrl-L key combination. If you want to make this URL...
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Managing HP smartarray with hpacucli utility
hpacucli both provides monitoring and management features. It is HP proprietary tool which can help get technical information about this hardware RAID array. List all controllers :...
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Bluetooth files sharing with GNOME
Gnome-file-share-properties is a simple GUI application to let you receive or send files to a Bluetooth enabled device. It helps you enabling an ObexFTP share. Use /usr/bin/gnome-file-share-properties...
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Monitoring your notebook battery capacity under Debian Wheezy
Here is a very interesting article about monitoring battery capacity with Debian : Different ways to monitor battery capacity with Debian More information about IBAM, the Intelligent Battery Monitor
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