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Archive for the 'Linux / Unix' Category

Creating a VNC Connection to Existing X Session

January 3rd, 2008 Posted in IT Administration, Linux / Unix | Comments »

Either it has been a really slow news week, or I’ve gotten faster at processing news from multiple news aggregators. I’ve been getting to the office early in the morning, and the content of /. and other popular news sites just did not give me my fill of reading for the morning. I began wondering […]

The NEC ND-3620A and cdrecord

October 24th, 2007 Posted in IT Administration, Linux / Unix | Comments »

When most hope was lost, a firmware upgrade brought results. After resolving a character set problem with cdrecord through a downgrade, I received a “0x30 Qual 0x05 (cannot write medium – incompatible format) Fru 0x0” error and thought the problem was with the DVDs that I had just purchased. The DVD burner identified itself as […]

iostat: Report CPU and IO Statistics

October 14th, 2007 Posted in Linux / Unix | Comments »

The Linux User’s Manual page states, “The iostat command is used for monitoring system input/output device loading by observing the time the devices are active in relation to their average transfer rates.” The page continues, “The iostat command generates reports that can be used to change system configuration to better blaance the input/output load between […]

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/ /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 […]