How-to – Page 20 – Tech.It.2.Me

VI global search and replace

In case you need to search and replace text globally within vi, here’s the command to do so:

:1,$s/old/new

vi is a free software screen-oriented text editor computer program written by Bill Joy in 1976 for an early BSD release.

Peace! \m/

Outlook 2007 IMAP auto purge option

Just in case you encounter problems permanently deleting e-mails in Outlook 2007 on an IMAP server, make sure you have the Purge items when switching folders while online option checked (see screenshot below).

What happened was when I tried deleting e-mails, the e-mails would just have a strikethrough line, but would still be present in the inbox; the Purge Deleted Messages button/action (normally under the Edit menu), which should permanently delete the e-mails didn’t do anything.

So keep that in mind. =0)

Bind an XMLDataSource to a GridView control

On one of my ASP.NET 2.0 projects, I had to use an XML file as the data source for a GridView control. The problem was that I had never used this method before. But after doing some research, I found it to be very similar (and straightforward) to binding to a database – with the exception of the need to use XPath.

So…without further adieu, here are the steps and code. Enjoy!

1. Create an XML file that contains your data, like below (taken from Microsoft’s website to save a lot of typing). Save it as books.xml.

<font size="2"><span style="color: rgb(0,0,255)">&lt;?</span><span style="color: rgb(163,21,21)">xml</span><span style="color: rgb(0,0,255)"> </span><span style="color: rgb(255,0,0)">version</span><span style="color: rgb(0,0,255)">=</span>"<span style="color: rgb(0,0,255)">1.0</span>"</font><font size="2"><span style="color: rgb(0,0,255)">?&gt;
&lt;</span><span style="color: rgb(163,21,21)">catalog</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
  &lt;</span><span style="color: rgb(163,21,21)">book</span><span style="color: rgb(0,0,255)"> </span><span style="color: rgb(255,0,0)">id</span><span style="color: rgb(0,0,255)">=</span>"<span style="color: rgb(0,0,255)">bk101</span>"</font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">author</span><span style="color: rgb(0,0,255)">&gt;</span>Gambardella, Matthew<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">author</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">title</span><span style="color: rgb(0,0,255)">&gt;</span>XML Developer's Guide<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">title</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">genre</span><span style="color: rgb(0,0,255)">&gt;</span>Computer<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">genre</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">price</span><span style="color: rgb(0,0,255)">&gt;</span>44.95<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">price</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">publish_date</span><span style="color: rgb(0,0,255)">&gt;</span>2000-10-01<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">publish_date</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">description</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>      An in-depth look at creating applications
      with XML.
<span style="color: rgb(0,0,255)">    &lt;/</span><span style="color: rgb(163,21,21)">description</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
  &lt;/</span><span style="color: rgb(163,21,21)">book</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
  &lt;</span><span style="color: rgb(163,21,21)">book</span><span style="color: rgb(0,0,255)"> </span><span style="color: rgb(255,0,0)">id</span><span style="color: rgb(0,0,255)">=</span>"<span style="color: rgb(0,0,255)">bk102</span>"</font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">author</span><span style="color: rgb(0,0,255)">&gt;</span>Ralls, Kim<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">author</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">title</span><span style="color: rgb(0,0,255)">&gt;</span>Midnight Rain<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">title</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">genre</span><span style="color: rgb(0,0,255)">&gt;</span>Fantasy<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">genre</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">price</span><span style="color: rgb(0,0,255)">&gt;</span>5.95<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">price</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">publish_date</span><span style="color: rgb(0,0,255)">&gt;</span>2000-12-16<span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">publish_date</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
    &lt;</span><span style="color: rgb(163,21,21)">description</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>      A former architect battles corporate zombies,
      an evil sorceress, and her own childhood to become queen
      of the world.
<span style="color: rgb(0,0,255)">    &lt;/</span><span style="color: rgb(163,21,21)">description</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
  &lt;/</span><span style="color: rgb(163,21,21)">book</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
&lt;/</span><span style="color: rgb(163,21,21)">catalog</span><span style="color: rgb(0,0,255)">&gt;</span></font>

2. Add a GridView control to your .aspx page and rename it to gdvBooks.
3. Drag an XmlDataSource control to your form, rename it xdsBooks, and assign your XML file (books.xml) in the control’s DataFile property.
4. Next, change to Source view and input the code below.

<font size="2"><span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">GridView</span> <span style="color: rgb(255,0,0)">ID</span><span style="color: rgb(0,0,255)">="gdvServerVersions"</span> <span style="color: rgb(255,0,0)">runat</span><span style="color: rgb(0,0,255)">="server"</span>         </font>

<font size="2">    <span style="color: rgb(255,0,0)">AutoGenerateColumns</span><span style="color: rgb(0,0,255)">="False"</span> <span style="color: rgb(255,0,0)">DataKeyNames</span><span style="color: rgb(0,0,255)">="id"</span>         </font>

<font size="2">    <span style="color: rgb(255,0,0)">DataSourceID</span><span style="color: rgb(0,0,255)">="xdsServerVersions" </span><span style="color: rgb(255,0,0)">EmptyDataText</span><span style="color: rgb(0,0,255)">="No data available."&gt;</span>                </font>

<font size="2">    <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">Columns</span><span style="color: rgb(0,0,255)">&gt;</span>
        <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">BoundField</span> <span style="color: rgb(255,0,0)">HeaderText</span><span style="color: rgb(0,0,255)">="Book ID" </span><span style="color: rgb(255,0,0)">DataField</span><span style="color: rgb(0,0,255)">="id"</span> </font>

<font size="2">            <span style="color: rgb(255,0,0)">SortExpression</span><span style="color: rgb(0,0,255)">="id"</span> </font><font size="2"><span style="color: rgb(0,0,255)">/&gt;
</span>        <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span> <span style="color: rgb(255,0,0)">HeaderText</span></font><font size="2"><span style="color: rgb(0,0,255)">="Author"&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>                <span style="background: rgb(255,238,98)">&lt;%<span style="color: rgb(0,0,255)"></span>#</span> XPath("author") </font><font size="2"><span style="background: rgb(255,238,98)">%&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>        <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span><span style="color: rgb(0,0,255)">&gt;</span>
        <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span> <span style="color: rgb(255,0,0)">HeaderText</span></font><font size="2"><span style="color: rgb(0,0,255)">="Title"&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>                <span style="background: rgb(255,238,98)">&lt;%<span style="color: rgb(0,0,255)"></span>#</span> XPath("title") </font><font size="2"><span style="background: rgb(255,238,98)">%&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>        <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span><span style="color: rgb(0,0,255)">&gt;</span>
        <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span> <span style="color: rgb(255,0,0)">HeaderText</span></font><font size="2"><span style="color: rgb(0,0,255)">="Genre"&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>                <span style="background: rgb(255,238,98)">&lt;%<span style="color: rgb(0,0,255)"></span>#</span> XPath("genre") </font><font size="2"><span style="background: rgb(255,238,98)">%&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>        <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span><span style="color: rgb(0,0,255)">&gt;</span>
        <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span> <span style="color: rgb(255,0,0)">HeaderText</span></font><font size="2"><span style="color: rgb(0,0,255)">="Price"&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>                <span style="background: rgb(255,238,98)">&lt;%<span style="color: rgb(0,0,255)"></span>#</span> XPath("price") </font><font size="2"><span style="background: rgb(255,238,98)">%&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>        <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span><span style="color: rgb(0,0,255)">&gt;</span>
        <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span> <span style="color: rgb(255,0,0)">HeaderText</span></font><font size="2"><span style="color: rgb(0,0,255)">="Publish Date"&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>                <span style="background: rgb(255,238,98)">&lt;%<span style="color: rgb(0,0,255)"></span>#</span> XPath("publish_date") </font><font size="2"><span style="background: rgb(255,238,98)">%&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>        <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span><span style="color: rgb(0,0,255)">&gt;</span>
        <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span> <span style="color: rgb(255,0,0)">HeaderText</span></font><font size="2"><span style="color: rgb(0,0,255)">="Description"&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>                <span style="background: rgb(255,238,98)">&lt;%<span style="color: rgb(0,0,255)"></span>#</span> XPath("description")</font><font size="2"><span style="background: rgb(255,238,98)">%&gt;
</span>            <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">ItemTemplate</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
</span>        <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">TemplateField</span><span style="color: rgb(0,0,255)">&gt;</span>
    <span style="color: rgb(0,0,255)">&lt;/</span><span style="color: rgb(163,21,21)">Columns</span></font><font size="2"><span style="color: rgb(0,0,255)">&gt;
&lt;/</span><span style="color: rgb(163,21,21)">asp</span><span style="color: rgb(0,0,255)">:</span><span style="color: rgb(163,21,21)">GridView</span><span style="color: rgb(0,0,255)">&gt;</span></font>&nbsp;

5. That’s it! Simply navigate to your newly created page and see the results.

XP Run commands

Here’s a list of commands you can run from the XP Run command prompt. Enjoy!

Accessibility Controls

<font size="2">access.cpl</font>

Add Hardware Wizard

<font size="2">hdwwiz.cpl</font>

Add/Remove Programs

<font size="2">appwiz.cpl</font>

Administrative Tools

<font size="2">certmgr.msc</font>

Character Map

<font size="2">charmap</font>

Check Disk Utility

<font size="2">chkdsk</font>

Clipboard Viewer

<font size="2">clipbrd</font>

Command Prompt

<font size="2">cmd</font>

Component Services

<font size="2">dcomcnfg</font>

Computer Management

<font size="2">compmgmt.msc</font>

Date and Time Properties

<font size="2">timedate.cpl</font>

DDE Shares

<font size="2">ddeshare</font>

Device Manager

<font size="2">devmgmt.msc</font>

Direct X Control Panel (If Installed)

<font size="2">directx.cpl</font>

Direct X Troubleshooter

<font size="2">dxdiag</font>

Disk Cleanup Utility

<font size="2">cleanmgr</font>

Disk Defragment

<font size="2">dfrg.msc</font>

Disk Management

<font size="2">diskmgmt.msc</font>

Disk Partition Manager

<font size="2">diskpart</font>

Display Properties

<font size="2">control desktop</font>

Display Properties

<font size="2">desk.cpl</font>

Display Properties (with Appearance Tab Preselected)

<font size="2">control color</font>

Dr. Watson System Troubleshooting Utility

<font size="2">drwtsn32</font>

Driver Verifier Utility

<font size="2">verifier</font>

Event Viewer

<font size="2">eventvwr.msc</font>

File Signature Verification Tool

<font size="2">sigverif</font>

Findfast

<font size="2">findfast.cpl</font>

Folders Properties

<font size="2">control folders</font>

Fonts

<font size="2">control fonts</font>

Fonts Folder

<font size="2">fonts</font>

Free Cell Card Game

<font size="2">freecell</font>

Game Controllers

<font size="2">joy.cpl</font>

Group Policy Editor (XP Prof)

<font size="2">gpedit.msc</font>

Hearts Card Game

<font size="2">mshearts</font>

Iexpress Wizard

<font size="2">iexpress</font>

Indexing Service

<font size="2">ciadv.msc</font>

Internet Properties

<font size="2">inetcpl.cpl</font>

IP Configuration (Display Connection Configuration)

<font size="2">ipconfig /all</font>

IP Configuration (Display DNS Cache Contents)

<font size="2">ipconfig /displaydns</font>

IP Configuration (Delete DNS Cache Contents)

<font size="2">ipconfig /flushdns</font>

IP Configuration (Release All Connections)

<font size="2">ipconfig /release</font>

IP Configuration (Renew All Connections)

<font size="2">ipconfig /renew</font>

IP Configuration (Refreshes DHCP & Re-Registers DNS)

<font size="2">ipconfig /registerdns</font>

IP Configuration (Display DHCP Class ID)

<font size="2">ipconfig /showclassid</font>

IP Configuration (Modifies DHCP Class ID)

<font size="2">ipconfig /setclassid</font>

Java Control Panel (If Installed)

<font size="2">javaws</font>

Keyboard Properties

<font size="2">control keyboard</font>

Local Security Settings

<font size="2">secpol.msc</font>

Local Users and Groups

<font size="2">lusrmgr.msc</font>

Logs You Out Of Windows

<font size="2">logoff</font>

Microsoft Chat

<font size="2">winchat</font>

Minesweeper Game

<font size="2">winmine</font>

Mouse Properties

<font size="2">control mouse</font>

Mouse Properties

<font size="2">main.cpl</font>

Netstat

<font size="2">netstat&nbsp;</font>

Network Connections

<font size="2">control netconnections</font>

Network Connections

<font size="2">ncpa.cpl</font>

Network Setup Wizard

<font size="2">netsetup.cpl</font>

Notepad

<font size="2">notepad</font>

Nview Desktop Manager (If Installed)

<font size="2">nvtuicpl.cpl</font>

Object Packager

<font size="2">packager</font>

ODBC Data Source Administrator

<font size="2">odbccp32.cpl</font>

On Screen Keyboard

<font size="2">osk</font>

Opens AC3 Filter (If Installed)

<font size="2">ac3filter.cpl</font>

Password Properties

<font size="2">password.cpl</font>

Performance Monitor

<font size="2">perfmon.msc</font>

Performance Monitor

<font size="2">perfmon</font>

Phone and Modem Options

<font size="2">telephon.cpl</font>

Power Configuration

<font size="2">powercfg.cpl</font>

Printers and Faxes

<font size="2">control printers</font>

Printers Folder

<font size="2">printers</font>

Private Character Editor

<font size="2">eudcedit</font>

Quicktime (If Installed)

<font size="2">QuickTime.cpl</font>

Regional Settings

<font size="2">intl.cpl</font>

Registry Editor

<font size="2">regedit</font>

Remote Desktop

<font size="2">mstsc</font>

Removable Storage

<font size="2">ntmsmgr.msc</font>

Removable Storage Operator Requests

<font size="2">ntmsoprq.msc</font>

Resultant Set of Policy (XP Prof)

<font size="2">rsop.msc</font>

Scanners and Cameras

<font size="2">sticpl.cpl</font>

Scheduled Tasks

<font size="2">control schedtasks</font>

Security Center

<font size="2">wscui.cpl</font>

Services

<font size="2">services.msc</font>

Shared Folders

<font size="2">fsmgmt.msc</font>

Shuts Down Windows

<font size="2">shutdown</font>

Sounds and Audio

<font size="2">mmsys.cpl</font>

Spider Solitare Card Game

<font size="2">spider</font>

SQL Client Configuration

<font size="2">cliconfg</font>

System Configuration Editor

<font size="2">sysedit</font>

System Configuration Utility

<font size="2">msconfig</font>

System File Checker Utility (Scan Immediately)

<font size="2">sfc /scannow</font>

System File Checker Utility (Scan Once At Next Boot)

<font size="2">sfc /scanonce</font>

System File Checker Utility (Scan On Every Boot)

<font size="2">sfc /scanboot</font>

System File Checker Utility (Return to Default Setting)

<font size="2">sfc /revert</font>

System File Checker Utility (Purge File Cache)

<font size="2">sfc /purgecache</font>

System File Checker Utility (Set Cache Size to size x)

<font size="2">sfc /cachesize=x</font>

System Properties

<font size="2">sysdm.cpl</font>

Task Manager

<font size="2">taskmgr</font>

Telnet Client

<font size="2">telnet</font>

Traceroute

<font size="2">tracert &lt;hostname or IP&gt;</font>

User Account Management

<font size="2">nusrmgr.cpl</font>

Utility Manager

<font size="2">utilman</font>

Windows Firewall

<font size="2">firewall.cpl</font>

Windows Magnifier

<font size="2">magnify</font>

Windows Management Infrastructure

<font size="2">wmimgmt.msc</font>

Windows System Security Tool

<font size="2">syskey</font>

Windows Update Launches

<font size="2">wupdmgr</font>

Windows XP Tour Wizard

<font size="2">tourstart</font>

Wordpad

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Yum on RHEL4

First off, apologies for not have posting anything in the last few weeks. I just got back from Manila, Philippines to visit my ill grandfather (read: father). He made it, but is still weak. I love you lolo!

Anyway, I personally run Red Hat Enterprise Linux 4 at work for any *nix tasks, and in this post I’ll show you how to install Yum for easier management.

According to Linux@DUKE: Yum is an automatic updater and package installer/remover for rpm systems. It automatically computes dependencies and figures out what things should occur to install packages. It makes it easier to maintain groups of machines without having to manually update each one using rpm.

So, without further adieu:

1. Download yum-2.0.8-1.noarch.rpm from:

http://linux.duke.edu/projects/yum/download/2.0/yum-2.0.8-1.noarch.rpm

2. Install it with the following command:

rpm –i yum-2.0.8-1.noarch.rpm

3. Configure your yum.conf [in /etc/yum.conf] like so:

[main]
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
distroverpkg=redhat-release
tolerant=1
exactarch=1

#base]
#ame=Red Hat Linux $releasever – $basearch – Base
#aseurl=http://mirror.dulug.duke.edu/pub/yum-repository/redhat

/$releasever/$basearch/
[base]
name=CentOS-$releasever – Base
baseurl=http://mirror.centos.org/centos/4.4/os/i386/
gpgcheck=1

[updates]
name=Red Hat Linux $releasever – Updates
baseurl=http://mirror.centos.org/centos/4.4/os/i386/
gpgcheck=1

4. Download the GPG key for CentOS RPM packages with:

wget http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-4

5. Import the key like:

rpm –import RPM-GPG-KEY-CentOS-4

6. Run yum -y update, sit back, relax, and enjoy watching your system being updated.

That’s it! Now you can use yum to install anything you wish. Ciao!