Gentoo Linux

Recently I wrote about installing and running Xcache under Red hat enterprise Linux and CentOS Linux. By default Xcache use /dev/zero for caching. All you have to do is create /dev/zero in chrooted jail. Type the following command (assuming that your jail is located at /lighttpd.jail directory): # mkdir -p /lighttpd.jail/dev # mknod -m 666 […]


fping is one my favorite network profiling / scripting tool. It uses the Internet Control Message Protocol (ICMP) echo request to determine if a target host is responding or not. Unlike ping , fping is meant to be used in scripts, so its output is designed to be easy to parse. You can easily write […]


You can find the memory used by a program (process) by looking into /proc directory or using standard command such as ps or top. However, you must calculate all memory usage by hand i.e. add Shared Memory + mapped file + total virtual memory size of the process + Resident Set Size + non-swapped physical […]


Recently I was looking information about getting the integrated fingerprint reader to work under Linux. I found this site. It describes the process of getting the integrated fingerprint reader to work under Linux, using bioapi and binary-only drivers. It is based on experiences in Ubuntu on a IBM Thinkpad T43. The same works on Fedora […]


If you want the server to get rebooted automatically after kernel hit by a pain error message, try adding panic=N to /etc/sysctl.conf file. It specify kernel behavior on panic. By default, the kernel will not reboot after a panic, but this option will cause a kernel reboot after N seconds. For example following boot parameter […]


You can use logsave command to save the output of a command in a logfile. General syntax is as follows: logsave /path/to/logfile command-name argument(s) The logsave program will execute command-name with the specified argument(s), and save a copy of its output to logfile. If the containing directory for logfile does not exist, logsave will accumulate […]


I’ve already outlined the detailed steps for migrating users, home directories and email to a new Linux server. I received a couple of emails asking about migrating printer configuration. From my mail bag: Is it possible to migrate the printer configuration from one machine to another, just like user migration? Yes, it is possible since […]