Logging into a VMware Server stuck on the “Loading…” Page

VMware Server is a handy app to run in places where server virtualization is needed, but you can’t justify the expense or effort required to setup a VMware ESXi or Xen host. One of the reoccurring problems that I run into, even on lightly loaded servers is when...

Joining the ACM – A Linux Sysadmin’s Perpective

The ACM, or the Association of Computing Machinery describes itself as “the world’s largest educational and scientific computing society”. Until recently, I assumed that since I was out of academia, and focused more on things that sysadmins do, like...

Installing Linux using a serial console

Just a quick note on the command to use to start up a RHEL / CentOS 5.x install from the serial console. This can come in handy if you’re using a modem and serial port for out of band management, and the need to conduct a remote reinstall arises. These settings...

vsftpd's “500 OOPS: cannot change directory” error

I recently installed a vsftpd FTP server on a CentOS Linux 5.2 box. After changing the FTP user’s home directory, I received the following error message every time I attempted to login as ftp: 500 OOPS: cannot change directory500 OOPS: child died Permissions...

Resuming failed Firefox downloads

Firefox’s download manager doesn’t have a built-in mechanism for resuming failed downloads. My Internet connection was cut off just long enough this morning for a Firefox download of an ISO image to fail. To resume the download, I used the wget command,...

Bypass rm's “argument list too long” error message with xargs

When using rm to delete a large number of files, you may come up against a kernel limitation which limits the length of arguments that can be sent to rm: $ rm * bash: /bin/rm: Argument list too long This one-liner utilizes xargs to bypass this limitation: ls | xargs...

How to reconfigure CPAN

I’m always forgetting the command that’s needed to start CPAN’s configuration wizard back up after its initial setup. To reconfigure CPAN, just execute the follow command from the CPAN prompt: o conf init

Linksys PAP2T-NA Gizmo Settings

Here are the settings that I used to get a Linksys PAP2T-NA working with Gizmo: Browse to the PAP2T-NA’s web page, for example http://192.168.111.100 Click the PAP2T-NA’s “Admin Login” link Click on the “Line 1″ tab Fill in the...