Linux
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Change console language in Debian
In Debian you can change the console language by running the command # dpkg-reconfigure -p low locales This command installs the necessary language files if they don’t exist.
Linux
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Upgrade from Fedora Core 7 to Core 8
This is the steps I took to upgrade a running Fedora Core 7 installation to Core 8 using yum from the command line. Please note that live upgrades are not recommended by the Fedora Project. Make a list of the systems current packages for later reference: rpm -qa –qf ‘%{NAME}\n’ | sort | uniq >…
Linux
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Create virtual / alias IP address
This is the code to make an alias IP address on network interface ethX where X is a number to indicate the device we are attaching the IP. ifconfig eth0:1 192.168.0.30 netmask 255.255.255.0 up Your machine will now answer on ping requests 192.168.0.30. You can see the result by running the command ifconfig eth0:1 Result…
Security
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Deny SSH- but allow SFTP access
This is an alternative way of limiting the SSH access to only SFTP explained in my How to restrict users to SFTP only instead of SSH post.Edit your /etc/sshd_config file and change your settings like thisMatch User usernameAllowTcpForwarding noX11Forwarding noForceCommand /usr/libexec/sftp-server -l INFO Replace username with the user name you would limit the SSH access…
Linux
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Query RPM database/packages and list their architecture
If you use the –queryformat argument with rpm it is possible to query RPMs for different architectures installed# rpm -qa –queryformat %{NAME}-%{VERSION}-%{ARCH}\\n | grep dbus-glib | sortResultdbus-glib-0.22-12.EL.5-i386dbus-glib-0.22-12.EL.5-x86_64This can also be used in one of my previous posts: Remove duplicate packages when querying the rpm database.