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feed.xml
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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/">
<title>Jack Chan's Blog</title>
<link href="https://blog.ckc.im/feed.xml" rel="self" />
<link href="https://blog.ckc.im" />
<updated>2024-10-26T06:23:56-04:00</updated>
<author>
<name>Jack Chan</name>
</author>
<id>https://blog.ckc.im</id>
<entry>
<title>Test new method update</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/test-new-method-update/"/>
<id>https://blog.ckc.im/test-new-method-update/</id>
<updated>2024-10-26T06:23:56-04:00</updated>
<summary>
<![CDATA[
Test new method update
]]>
</summary>
<content type="html">
<![CDATA[
<p>Test new method update</p>
]]>
</content>
</entry>
<entry>
<title>Fiber Types</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/fiber-types/"/>
<id>https://blog.ckc.im/fiber-types/</id>
<category term="Networking"/>
<category term="Fiber"/>
<updated>2022-06-26T00:30:42-04:00</updated>
<summary></summary>
<content type="html">
<![CDATA[
<p><img loading="lazy" src="https://mskglobal.net/wp-content/uploads/2019/09/simplex-fiber-ile-dubleks-fiber-fark%C4%B1-fotosu.jpg" alt="What are the Types of Fiber Optic Connectors? - MSK GLOBAL Elektronik" data-is-external-image="true"></p>
]]>
</content>
</entry>
<entry>
<title>KVM</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/kvm/"/>
<id>https://blog.ckc.im/kvm/</id>
<category term="Tools"/>
<updated>2022-06-21T14:14:26-04:00</updated>
<summary>
<![CDATA[
Keyboard, Video (VGA or HDMI), Mouse EZCast ProAV 4K 30 Video Receiver Over IP, incorporates HDMI Technology, CAT5e / 6 Ethernet Connection, Plug & Play, 1 to 1, Many to Many Matrix, KVM Function, Low Latency, Video Wall, HDCP1.4 99 USD TESmart 4K UHD 16…
]]>
</summary>
<content type="html">
<![CDATA[
<p>Keyboard, Video (VGA or HDMI), Mouse<br><br><a data-cke-saved-href="https://www.amazon.com/-/zh_TW/dp/B099FJGZLZ/ref=sr_1_21?keywords=kvm+over+ip&qid=1641954037&sprefix=kvm+ov%2Caps%2C307&sr=8-21" href="https://www.amazon.com/-/zh_TW/dp/B099FJGZLZ/ref=sr_1_21?keywords=kvm+over+ip&qid=1641954037&sprefix=kvm+ov%2Caps%2C307&sr=8-21">EZCast ProAV 4K 30 Video Receiver Over IP, incorporates HDMI Technology, CAT5e / 6 Ethernet Connection, Plug & Play, 1 to 1, Many to Many Matrix, KVM Function, Low Latency, Video Wall, HDCP1.4</a><br>99 USD<br><br><a data-cke-saved-href="https://www.amazon.com/-/zh_TW/TESmart-HDMI-%E6%8E%A7%E5%88%B6%E5%8F%B0%E6%A9%9F%E6%9E%B6%E5%BC%8F%E9%96%8B%E9%97%9C-%E6%8E%A7%E5%88%B6%E5%A4%9A%E9%81%94-RS232/dp/B07D2ZMF5B/ref=sr_1_34?keywords=kvm%2Bover%2Bip&qid=1641954117&sprefix=kvm%2Bov%2Caps%2C307&sr=8-34&th=1" href="https://www.amazon.com/-/zh_TW/TESmart-HDMI-%E6%8E%A7%E5%88%B6%E5%8F%B0%E6%A9%9F%E6%9E%B6%E5%BC%8F%E9%96%8B%E9%97%9C-%E6%8E%A7%E5%88%B6%E5%A4%9A%E9%81%94-RS232/dp/B07D2ZMF5B/ref=sr_1_34?keywords=kvm%2Bover%2Bip&qid=1641954117&sprefix=kvm%2Bov%2Caps%2C307&sr=8-34&th=1">TESmart 4K UHD 16 連接埠 HDMI KVM 交換器,控制台機架式開關,附 8 個 5 英尺(約 1.5 公尺)KVM 連接線,USB 2.0 裝置 16 埠輸入,控制多達 16 台電腦/伺服器,搭配 RS232 和 LAN 連接埠</a><br>US$379.99<br><br></p>
]]>
</content>
</entry>
<entry>
<title>SSL/CA related</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/sslca-related/"/>
<id>https://blog.ckc.im/sslca-related/</id>
<updated>2022-06-21T14:08:43-04:00</updated>
<summary>
<![CDATA[
LabCA A private Certificate Authority for internal (lab) use, based on the open source ACME https://opensourcelibs.com/lib/labca https://lab-ca.net/
]]>
</summary>
<content type="html">
<![CDATA[
<h1 id="labca">LabCA</h1>
<p>A private Certificate Authority for internal (lab) use, based on the open source ACME<br><br>https://opensourcelibs.com/lib/labca<br><br><a href="https://lab-ca.net/">https://lab-ca.net/</a> </p>
]]>
</content>
</entry>
<entry>
<title>Ubuntu auto mount drive on startup</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/ubuntu-auto-mount-drive-on-startup/"/>
<id>https://blog.ckc.im/ubuntu-auto-mount-drive-on-startup/</id>
<updated>2022-06-21T11:26:18-04:00</updated>
<summary>
<![CDATA[
Use the "Disks" app. Load the Disks app (In System) and select the disk with the filesystem you want to mount on startup. Then select the filesystem on that disk and click on the gears (for configuration). Select "Edit Mount Options" from the popup menu.
]]>
</summary>
<content type="html">
<![CDATA[
<p>Use the "Disks" app.</p>
<p>Load the Disks app (In System) and select the disk with the filesystem you want to mount on startup.</p>
<p>Then select the filesystem on that disk and click on the gears (for configuration).</p>
<p>Select "Edit Mount Options" from the popup menu.</p>
<p>On the setup options, click to check the "Mount on Startup" box. (This will add the entry to fstab when you click on "OK").</p>
<p>Reboot, and your filesystem should be available.</p>
<p>I agree with other comments here regarding manually adding lines to fstab via CLI/text editor. If you take the time to look at your fstab file it will help you understand what changes have been made and, ultimately the CLI method will become faster for you.</p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p>1 - Write down the UUID of the drive that you want to mount by executing the following command:</p>
<pre><code>sudo blkid
</code></pre>
<p>2 - Then edit the fstab:</p>
<pre><code>sudo gedit /etc/fstab
</code></pre>
<p>3 - Add at the end of the file fstab:</p>
<pre><code>UUID=D638F77338F7514B /media/baraldi/win_www ntfs defaults 0 0
</code></pre>
<p>Be sure the UUID matches what you recorded in the first step</p>
<p>4 - Restart</p>
<p>That is all. Good Luck.</p>
]]>
</content>
</entry>
<entry>
<title>CompTIA 220-801</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/comptia-220-801/"/>
<id>https://blog.ckc.im/comptia-220-801/</id>
<category term="CompTIA"/>
<updated>2022-06-19T05:27:31-04:00</updated>
<summary>
<![CDATA[
Which of the following allows for the FARTHEST transmission distance for data? A. Bluetooth B. Single-mode fibre C. RG-6 cable D. CAT6 cable Correct Answer: B Explanation/Reference: Reference. http://www.ad-net.com.tw/index.php?id=46 A. SDRAM B. RAMBUS C. DDR D. DIMM Correct Answer: C Explanation/Reference: Reference. http://en.wikipedia.org/wiki/Multi-channel_memory_architecture#Dual-channel_architecture
]]>
</summary>
<content type="html">
<![CDATA[
<h1 class="entry-title">Which of the following allows for the FARTHEST transmission distance for data?</h1>
<p><strong>A. Bluetooth</strong><br><strong>B. Single-mode fibre</strong><br><strong>C. RG-6 cable</strong><br><strong>D. CAT6 cable</strong></p>
<p><strong>Correct Answer: B</strong><br>Explanation/Reference:<br><em>Reference. <a href="http://www.ad-net.com.tw/index.php?id=46">http://www.ad-net.com.tw/index.php?id=46</a></em></p>
<p> </p>
<h1 class="entry-title">Which of the following types of RAM can be used in a dual channel configuration?</h1>
<p><strong>A. SDRAM</strong><br><strong>B. RAMBUS</strong><br><strong>C. DDR</strong><br><strong>D. DIMM</strong></p>
<p><strong>Correct Answer: C</strong><br>Explanation/Reference:<br><em>Reference. <a href="http://en.wikipedia.org/wiki/Multi-channel_memory_architecture#Dual-channel_architecture">http://en.wikipedia.org/wiki/Multi-channel_memory_architecture#Dual-channel_architecture</a> </em></p>
]]>
</content>
</entry>
<entry>
<title>SSD Media Wearout Indicator </title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/ssd-media-wearout-indicator/"/>
<id>https://blog.ckc.im/ssd-media-wearout-indicator/</id>
<updated>2022-06-19T02:08:06-04:00</updated>
<summary>
<![CDATA[
In HDD, we check SMART value normally In SSD, there is a MWI SSD index: Media Wear-Out Indicator, usually range is 0-100; It's required to replace when <= 10
]]>
</summary>
<content type="html">
<![CDATA[
<p>In HDD, we check SMART value normally</p>
<p>In SSD, there is a MWI SSD index:</p>
<p>Media Wear-Out Indicator, usually range is 0-100; It's required to replace when <= 10</p>
]]>
</content>
</entry>
<entry>
<title>NetOps Admin tools</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/netops-admin-tools/"/>
<id>https://blog.ckc.im/netops-admin-tools/</id>
<media:content url="https://blog.ckc.im/media/posts/14/WeChat0bb2155b6eb56f1e5dbb60cd336842c7.png" medium="image" />
<category term="macOS"/>
<category term="Networking"/>
<updated>2022-06-14T12:10:07-04:00</updated>
<summary>
<![CDATA[
<img src="https://blog.ckc.im/media/posts/14/WeChat0bb2155b6eb56f1e5dbb60cd336842c7.png" alt="" />
Mac: /System/Library/CoreServices/Applications Network Utility.app - Netstat - Ping - Lookup - Traceroute - Whois - Finger (not used yet) - Port Scan
]]>
</summary>
<content type="html">
<![CDATA[
<p><img src="https://blog.ckc.im/media/posts/14/WeChat0bb2155b6eb56f1e5dbb60cd336842c7.png" class="type:primaryImage" alt="" /></p>
<p>Mac:</p>
<p>/System/Library/CoreServices/Applications</p>
<p>Network Utility.app</p>
<p>- Netstat </p>
<p>- Ping</p>
<p>- Lookup</p>
<p>- Traceroute</p>
<p>- Whois</p>
<p>- Finger (not used yet)</p>
<p>- Port Scan</p>
]]>
</content>
</entry>
<entry>
<title>SSD models</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/ssd-models/"/>
<id>https://blog.ckc.im/ssd-models/</id>
<updated>2022-06-14T12:07:41-04:00</updated>
<summary>
<![CDATA[
https://www.newegg.com/global/hk-en/samsung-sm863a-1-92tb/p/1Z4-000R-000M4 https://www.amazon.com/Samsung-PM1643-MZILT15THMLA-00007-15-36TB-Solid/dp/B085WB7YG1
]]>
</summary>
<content type="html">
<![CDATA[
<p class="p1"> </p>
<table style="border-collapse: collapse; width: 100%;" border="1">
<tbody>
<tr>
<td style="width: 17.8317%;"> </td>
<td style="width: 13.2668%;">Size</td>
<td style="width: 20.3994%;">Model</td>
<td style="width: 48.5021%;"> </td>
</tr>
<tr>
<td style="width: 17.8317%;"><strong>SAMSUNG</strong></td>
<td style="width: 13.2668%;"><strong>1.92TB</strong></td>
<td style="width: 20.3994%;"><strong>SM863a MZ-7KM1T9NE 2.5" SATA III V-NAND Enterprise Solid State Disk</strong></td>
<td style="width: 48.5021%;">
<p class="p1"><a href="https://www.newegg.com/global/hk-en/samsung-sm863a-1-92tb/p/1Z4-000R-000M4"><strong>https://www.newegg.com/global/hk-en/samsung-sm863a-1-92tb/p/1Z4-000R-000M4</strong></a></p>
</td>
</tr>
<tr>
<td style="width: 17.8317%;"><strong>SAMSUNG</strong></td>
<td style="width: 13.2668%;"><strong>15.36TB</strong></td>
<td style="width: 20.3994%;"><strong>PM1643 MZILT15THMLA-00007</strong></td>
<td style="width: 48.5021%;">
<p class="p1"><strong><a href="https://www.amazon.com/Samsung-PM1643-MZILT15THMLA-00007-15-36TB-Solid/dp/B085WB7YG1">https://www.amazon.com/Samsung-PM1643-MZILT15THMLA-00007-15-36TB-Solid/dp/B085WB7YG1</a> </strong></p>
</td>
</tr>
</tbody>
</table>
]]>
</content>
</entry>
<entry>
<title>IP Cam selection</title>
<author>
<name>Jack Chan</name>
</author>
<link href="https://blog.ckc.im/ip-selection/"/>
<id>https://blog.ckc.im/ip-selection/</id>
<updated>2022-06-06T21:39:46-04:00</updated>
<summary>
<![CDATA[
Protocol: ONVIF (For Integrate in one like ZoneMinder) PTZ Sample: RLC-423 (Refurbished) - 5MP High-Speed PTZ Camera with 4X Optical Zoom RLC-520 - 5MP Security IP Camera with Easy PoE Connection
]]>
</summary>
<content type="html">
<![CDATA[
<p>Protocol: ONVIF (For Integrate in one like ZoneMinder)</p>
<p>PTZ</p>
<p> </p>
<p>Sample:</p>
<p><a href="https://reolink.com/__/product/rlc-423/">RLC-423 (Refurbished) - 5MP High-Speed PTZ Camera with 4X Optical Zoom</a></p>
<p class="reo-productName"><a href="https://reolink.com/product/rlc-520/#specifications">RLC-520 - 5MP Security IP Camera with Easy PoE Connection</a></p>
<p> </p>
]]>
</content>
</entry>
</feed>