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author | Adam T. Carpenter <atc@53hor.net> | 2021-01-15 14:48:59 -0500 |
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committer | Adam T. Carpenter <atc@53hor.net> | 2021-01-15 14:48:59 -0500 |
commit | 0c3a3e015b66eeac415580cb9f0391184e54853f (patch) | |
tree | c5301a7f310ada2298160f8f3b47c61692d4373c /drafts/dell-dock.html | |
parent | 57b70c5a30fba783dcbb290b08821d7d3c1e96c1 (diff) | |
download | 53hor-0c3a3e015b66eeac415580cb9f0391184e54853f.tar.xz 53hor-0c3a3e015b66eeac415580cb9f0391184e54853f.zip |
added/finished Zroot mirror vdevs
Diffstat (limited to 'drafts/dell-dock.html')
-rw-r--r-- | drafts/dell-dock.html | 82 |
1 files changed, 64 insertions, 18 deletions
diff --git a/drafts/dell-dock.html b/drafts/dell-dock.html index 4be6691..4a9dd9a 100644 --- a/drafts/dell-dock.html +++ b/drafts/dell-dock.html @@ -1,18 +1,17 @@ -<h1>Make Your Docking Station Work for You on FreeBSD</h1> +<h1>Make Your Docking Station Work for You (on FreeBSD)</h1> <p class="description"> - Here's the problem. I have a Dell Latitude E-series laptop running FreeBSD - 12.1-RELEASE. I also have a Dell E-Port II docking station on my desk. I - wanted to be able to take my shut, sleeping laptop and plop it down on the - docking station, hit the dock power button, and have the laptop wake up and - switch over to all of the docking station peripherals. All of the USB devices - did this without any additional work. However, the ethernet hookup, external - monitor, and speakers all required some additional tinkering. This assumes - that you're already familiar with wired and wireless network interfaces on - FreeBSD! + I have a Dell Latitude E-series laptop running FreeBSD 12.2-RELEASE. I also + have a Dell E-Port II docking station on my desk. I wanted to be able to take + my shut, sleeping laptop and plop it down on the docking station, hit the dock + power button, and have the laptop wake up and switch over to all of the + docking station peripherals. So I did it! And now I'm going to write about it + so I don't forget how. You need to know a little bit about FreeBSD + <code>sysctl</code> knobs, display outputs in X, sound devices, and + <code>ifconfig</code> networking. </p> -<h2>Link Aggregation (Failover)</h2> +<h2>Switching from Ethernet to WiFi and Back Again, Seamlessly</h2> <p> FreeBSD doesn't magically swap from wireless to wired connections by default, @@ -20,21 +19,21 @@ <a href="https://www.freebsd.org/doc/handbook/network-aggregation.html" >FreeBSD handbook page on network aggregation</a > - as it's where I found out how to do what I'm about to show you. Basically, + as it's where I found out about link aggregation and failover. Basically, aggregation lets you bind two of your network interfaces together into a single virtual interface. Failover lets your traffic continue moving as long - as one of the aggregated interfaces has is connected. The steps I had to - follow are as follows: + as one of the aggregated interfaces has is connected. + Here's what I had to do: </p> -<ul> +<ol> <li> - Bind the wireless network interface to the MAC address of the wired - interface + Bind the wireless network interface (wlan0) to the MAC address of the wired + interface (em0) </li> <li>Create a lagg interface using the two network interfaces</li> <li>Bind the lagg interface to an IP address, preferably with DHCP</li> -</ul> +</ol> <p>All of this is configured in my <code>rc.conf</code>:</p> @@ -54,3 +53,50 @@ ifconfig_lagg0="up laggproto failover laggport em0 laggport wlan0 DHCP" # <- con will take over. This transition happens instantly, and without interrupting traffic; active transactions aren't cut short for example. </p> + +<h2>Sleeping on Lid Close Except When Docked</h2> + +<p> + This is an easy one. You can use <code>sysctl</code> to configure what happens + when a laptop lid is closed. I wanted the lid closing while undocked to + suspend (put the laptop to sleep). When it's docked however, I don't use the + internal display and wanted to be able to shut the lid and leave it shut. If you read <code>ACPI(4)</code> in the manual, you'll find this little passage: +</p> + +<pre> +<blockquote> +hw.acpi.lid_switch_state + Suspend state (S1-S5) to enter when the lid switch (i.e., a + notebook screen) is closed. Default is "NONE" (do nothing). +</blockquote> +<pre> + +<p>I changed this value a long time ago so closing the lid suspends the laptop. You can check with <code>sysctl</code>:</p> + +<pre> +<code> +$ sysctl hw.acpi.lid_switch_state +hw.acpi.lid_switch_state: S3 +</code> +</pre> + +<p>Now, if I wanted to disable this functionality, I would just change this parameter as root:</p> + +<pre> +<code> +$ doas sysctl hw.acpi.lid_switch_state=NONE +hw.acpi.lid_switch_state: NONE -> NONE +</code> +</pre> + +This change takes effect immediately. I can open and close the lid and nothing happens but turning off the screen. Awesome. + +<h2>Swapping Primary Display Outputs (Also Nvidia Screen-Tearing)</h2> + +<h2>Switching Default Sound Device</h2> + +<h2>Putting It All Together (Scripts Are Glue)</h2> + +<h2>What I Didn't Have to Do</h2> + +usb devices, battery/charging |