on local webservers without specific domain I often came over the stated apache warning. Here is how to get rid of it: Check your /etc/hosts that there are entries for localhost, localhost.domainname, hostname, hostname.domainname. Last edit /etc/apache2/httpd.conf and add ServerName hostname to the file. Restart apache root@coding:~# hostname –fqd coding root@coding:~# head -n2 /etc/hosts 127.0.0.1   […]

perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = “de_AT.UTF-8”, LC_ALL = “de_DE.UTF-8”, LC_MESSAGES = “de_DE.UTF-8”, LC_COLLATE = “de_DE.UTF-8”, LC_CTYPE = “de_DE.UTF-8”, LANG = “de_AT.UTF-8” are supported and installed on your system. perl: warning: Falling back to the standard locale (“C”). Or during apt operations: locale: Cannot set LC_CTYPE

If you got used to bash completion under ubuntu and want this feature under debian too, you first have to install the package bash-completion with your favourite package manager. apt-get install bash-completion Then add the following to your /etc/profile to enable the feature for all users: if [ -f /etc/bash_completion ]; then . /etc/bash_completion fi

After adding a new apt repository to your sources.list you often get a gpg error that there is no public key for that repository. If you trust the added server you can add the key with the command stated below. Here is an example error message. I replaced the id of the key with <long_key>:

since I upgraded to ubuntu 11.10 connecting a IPMI console to SuperMicro servers fails with the error message “no iKVM64 in java.library.path”. A workaround for this problem is to download the .jnlp file and open it with an editor. Copy the two lines stated below, taken from the <resources> entry, to the corresponding <resources os=”Linux”