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142857 is an Interesting Number

A couple of days ago a colleague sent me this interesting number, 142857, via email. I performed a Google search on the number and I was surprised to see so many returns - 190,000. It even has its own...

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Troubleshooting Domain Issues with My SysAd Blog - Again

Late last night (KST), I was reviewing my free MyBlogLog stats and noticed 8 visitors had stopped by the blog. Usually, by that time, mysysad would have had several hundred visits. I surfed over to the...

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No Space Left on Device!

About two weeks ago, my colleague and I had an issue with the /var partition on a seldom used Sun Blade 2500 workstation. Frankly speaking, I thought a simple fsck would suffice while in single user...

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ftpconfig - Setup Anonymous FTP

To setup an anonymous FTP account, you might consider using the ftpconfig script. It seems to be a lot easier to setup an anon FTP account with Solaris 10 than it was for Solaris 8. The anon users log...

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Issues With an Orphaned .attribute^ File

We had intriguing problem related to a Unix-based directory. This directory was mapped to Windows via Citrix.On the Windows side, the initial thought was that the folder was simply "hidden" via the...

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Import and Enable the NFS Service

Last week we had a little issue with mounting directories from a new Solaris 10 server. It was noted the nfs service was not running on it. We had to import and then enable the service. After that, we...

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Microsoft Security Advisory --- F1 Key on Web

A friend of mine from Japan emailed me this interesting article and thought I would share it.Microsoft has issued a security advisory warning users NOT to press the F1 key when prompted by a website....

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$HOME/.TTauthority not writable, auth entry not added

After being absent from the work site for an extended period, I had a little problem with the dt session. I was being blocked a dt session (automatically logged me out--tried 3x). I observed...

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Retrieve Information on LDAP User

Here are a couple easy methods to get information from ldap for a particular user. Friend and I were talking about it yesterday because we had a typo in someone's login directory string (missing a...

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Run the Windows Explorer GUI

Here are a few easy ways to invoke the Windows Explorer GUI, which displays certain parts of the directory/folder tree depending on given syntax. I also threw in a few other miscellaneous items.1....

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Use Redirect Symbol to Zero File

I have mentioned this topic in an earlier post - zero'ing logfiles with cat /dev/null > logfile. But there is another easy way to zero a logfile in Bourne or Korn shell. It probably works in Bash...

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The Khan Academy is Teaching the Online World

Here is a great learning site to help brush up on your algebra, geometry, trigonometry, and calculus skills. You can also find courses for economics, finance, history and science. This growing site is...

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The Importance of Library Level Integration in Open Source Environment

By Jonathan FlackOpen Systems Engineer, Likewise SoftwareAs an Open Systems Engineer at Likewise Software I routinely encounter unique customer problems. Most of these problems require a clever...

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Log an FTP Session with a Filter

A couple colleagues and I were looking for an effective way to tersely log the activities of an FTP effort. All we wanted was the file name and throughput rate. If you are Ftping hundreds or thousands...

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HTML Symbol Entities issue on Blogger

I have received a few requests on how to deal with the HTML Symbol Entities issue on Blogger. There really isn't a problem because you can just click the box below for your post and your character(s)...

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Sun StorageTek 6140 Cache

We have a Sun StorageTek 6140 Array attached to a couple NAS heads. We share out its file systems from the NAS. But it seemed the NAS was creating bottlenecks and hanging NFS. As usual, it turned out...

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Restore MySQL Database via Command Line

This is mostly a note to myself. It is not really a tip. Restoring a mysql database from the command line.[root@server]# ls -latotal 326940drwx------ 3 user1 usergrp 4096 Oct 29 12:10 .drwxr-xr-x 3...

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How to Exclude a Directory for TAR

I am doing a few aesthetic upgrades, so naturally I want to backup some of my website files. However, I do not want everything, i.e. transient files such images. I tarred up the website's primary...

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magicJack's "No Audio Found" Error Message

I had an issue with my magicJack phone. I could hear it ring and it had a dialtone but I could not dial out or receive calls. As a useful working indicator, I should see magicJack's stock symbol (CALL)...

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Remove Delta Search features from Mozilla Firefox

I usually use Chrome to surf the Internet but it does not work well (button issue) with one of the Internet radio stations I wanted to listen to. The station (181.fm) worked well with Firefox though....

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Remove old Ubuntu kernel versions from /boot

I was starting to run out of room in /boot. Had about 10MB of space left. I have been dabbling with Ubuntu for a couple months and I am still learning a lot of its nuances. Seems to be a stable OS and...

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Install mpstat and ptree programs

Installed the mpstat and ptree programs.# mpstat 2The program 'mpstat' is currently not installed. You can install it by typing:apt-get install sysstat# apt-get install sysstat# ptreeThe program...

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Find Version of Currently Running Ubuntu

Here is the syntax to determine which OS version of Ubuntu you are currently running on.lsb_release -aHere is the syntax to determine which Ubuntu kernel version you are currently running on.uname...

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XV for Ubuntu

I just finished installing XV for Ubuntu. At first, I thought it would just be another package to install--i.e. apt-get install xv--It wasn't. The XV version (xv-3.10a) was a little old but it worked...

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Make sure you typed the name correctly, and then try again error message

Sometimes the Windows uninstall program leaves orphan files after a removal event. Here were the error messages and some background...

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