Archive for the 'Linux / Unix' Category

Configuring the Mouse Scroll Wheel

May 10th, 2007 Posted in IT Administration, Linux / Unix | Comments »

Having packed my stuff just in case the Griffith Park Fire of ’07 drew closer to home, an opportunitity was created to rearrange my workspace. Rearranging my computers has allowed me to connect a keyboard and mouse directly to one of my principle development machines. I have been interfacing with the machine through VNC up [...]

Chrooting SSH/SFTP

March 12th, 2007 Posted in IT Administration, Linux / Unix | Comments »

Brandon Hutchinson provides a concise howto for chrooting SSH. For recent distributions of Red Hat Enterprise Linux (like CentOS), the following may also be needed in addition to Hutchinson’s Fedora Core procedures: cp /lib/ld-linux.so.2 /chrootedpath/lib/. chmod 666 /chrootedpath/dev/null /chrootedpath/dev/zero Running ldd on the sshd binary executable will display the executable’s shared library dependencies. The first [...]

chkconfig: Updates and Queries Runlevel Information for System Services

November 21st, 2006 Posted in Linux / Unix | Comments »

The 4th Berkeley Distribution manual page states, “chkconfig provides a simple command-line tool for maintaining the /etc/rc[0-6].d directory hierarchy by relieving system administrators of the task of directly manipulating the numerous symbolic links in those directories.”

ldd: Print Shared Library Dependencies

October 23rd, 2006 Posted in IT Administration, Linux / Unix | Comments »

The Linux Programmer’s Manual states, “ldd prints the shared libraries required by each program or shared library specified on the command line.” This tool is useful when setting up a chrooted shell environment. It is also useful when creating custom boot CDs, which may include programs that dynamically link to shared libraries.