All Chromebook Users Need to Know These 18 Crosh Terminal Commands

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Chromebook Users Crosh Terminal Commands

Your Chromebook comes equipped with its very own terminal, known as the Crosh. The following is a list of some of the most important Chromebook terminal commands that every user ought to be familiar with.

Crosh is a built-in terminal that is included with Chromebooks, in case you were asking “What is Crosh?” You may debug your system, run tests, or just wander about in this terminal, which is known as the Chrome OS Developer Shell, or Crosh for short. Crosh gives you access to a command-line interface that you can use for any of these activities.

Therefore, let’s have a look at and experiment with a few different terminal commands that all Chromebook users ought to be familiar with in order to boost their level of productivity and troubleshooting.

Crosh Terminal Commands Essential to Chromebook Use

A more in-depth explanation of how to use each of these Crosh commands will be provided later, but in the meanwhile, here is the TL;DR version:

Command DescriptionCommand
Open CroshCtrl + Alt + T
Pingping [domain]
Test memorymemory_test
Configure modemmodem help
Rollback Chrome OSrollback
Stop a process in CroshCtrl + C
Open Task Managertop
Battery Managerbattery_test [seconds]
Developer Mode commandsshellsystracepacket_capture
Users and uptimeuptime
Time settingsset_time
Network diagnosticsnetwork_diag
Network tracetracepath
Helphelphelp_advanced
Memory informationfreememinfo
Switch to the canary channellive_in_a_coal_mine
Auto-updates over cellular networksupdate_over_cellular [enable|disable]
Exit Croshexit

1. Open Crosh

You won’t locate Crosh in the standard list of apps that are contained within the app drawer of your Chromebook. You need to press Ctrl, Alt, and T in order to open Crosh. This will cause the terminal window to open in a new tab within your browser.

NOTE
You don’t need to have your Chromebook’s Developer Mode enabled to access Crosh.

2. Run a Ping Test

Run Ping Test

On your Chromebook, to do a ping test, type “ping” followed by the domain. Use the ping utility and the following Crosh command to verify that your network connection is working properly:

ping google.com

Ping tests are an indispensable instrument for determining the cause of problems with a computer network, in case you were unaware of this fact. It will inform you of the speed at which communication is taking place between your machine and a web server. In addition to this, it will let you know if any packets have been lost.

3. Test Your Chromebook’s Memory

Even while you can get information about your Chromebook’s RAM through the use of third-party plugins (for more details, read our article on how to check your Chromebook’s specifications), this may not be sufficient for some users. Crosh is the tool to utilize if you are looking for information at a more granular level. Simply enter the following into the appropriate boxes and push Enter:

memory_test

4. Configure Your Modem

Checking to see that the modem is properly configured is an essential step in determining how to fix problems with your network.

In the terminal of your Chromebook, type the command that is outlined further down. You will have access to a variety of choices, such as settings to activate your modem, connect your modem, alter the firmware on your modem, and factory reset your modem, among other possibilities.

modem help

5. Reinstall an Earlier Version of Chrome OS

If a recent upgrade to Chrome OS has rendered your machine unusable, you may quickly cancel the update and revert to an earlier version of the operating system by using Crosh.

You only need to type the following Crosh command and push Enter to complete the process:

rollback

6. Stop Any Process in Crosh

Let’s say you wish to put a stop to any process running in the background in Crosh, such a ping or a memory test. You may accomplish this by hitting the Ctrl and C keys together. In comparison to completely shutting the Crosh window, this solution is superior and more secure.

7. A Better Task Manager

Chrome OS and the Chrome browser on other operating systems each have their own own task manager, but very few people are aware of this fact. It will show you which processes are hogging your computer’s CPU and memory resources. Launch Chrome, then navigate to More (three vertical dots), followed by More Tools, and finally Task Manager to locate the feature.

On the other hand, an even smaller percentage of users are aware that Chrome OS conceals a secondary task manager in Crosh. You may make use of it to get knowledge on low-level processes that do not appear in the primary task management program. You may gain access to it by only putting in the following nifty little Crosh command:

top

8. Battery Management

Battery Management

Again, all you have to do to view the most important information regarding your Chromebook’s battery is glance at the screen’s bottom right-hand corner.

However, if you are interested in further details, you may get them by entering battery test [seconds] into Crosh (replace [seconds] with a number). In order to verify that this command is working properly, type the following into the terminal:

battery_test 10

Crosh will provide you with specific information on the amount of battery power that your device consumed within the allotted time period, as addition to providing you with feedback regarding the amount of time that is still left on your battery and the general health of your battery.

9. Developer Mode Commands

You do not need to have any prior experience as a developer in order to utilize Crosh. On the other hand, if you have Developer Mode on, you will have access to three new commands, which are as follows:

  • shell: Opens a full Bash shell
  • systrace: Starts a system trace
  • packet_capture: Captures and logs data packets

10. Users and Uptime

When was the last time you made sure your Chromebook was switched off? It can be days or even weeks between reboots.

You may determine how long your computer has been up and operating since the last time it was shut down by using the command that is shown below. Information on the users who are presently logged in will also be included in the results of the search.

uptime

11. Change the Time

Do you experience issues with the time that is shown on your machine? Maybe you reside on the boundary between two time zones, or maybe you connect to the internet through a router that causes your IP address to change regularly.

If you enter set time into Crosh, you will be able to modify the time settings used by the operating system. To alter the time, for instance, you may use the following command:

set_time 02 May 2022 11:21am

12. More Network Diagnostics

If you have already performed a ping test and attempted to configure your modem, but are still having problems, put this command into your terminal to perform a comprehensive analysis of your network:

network_diag

The result will be stored in the storage of your Chromebook in the form of a TXT file.

13. Trace the Packet Route

The last networking command on our list for Crosh allows you to track the path that data packets have taken across a network after they have been received. To determine the path that packets use to reach google.com, run the following command:

tracepath google.com

14. Get Command-Line Help

In the event that the command you are searching for is not included in this list, you have the option of obtaining either a condensed or comprehensive list of all of the Crosh commands that are at your disposal.

To obtain a condensed set of commands, please:

help

To obtain a comprehensive list of available commands, type:

help_advanced

15. Memory Information

You have the option of using one of the following two Crosh commands in order to obtain information regarding the amount of memory being used by your Chromebook.

For a general understanding:

free

For further information, please see:

meminfo

16. Switch to the Canary Channel

You have the ability to subscribe to a variety of software delivery channels on your Chromebook, depending on the kinds of updates you choose to install. There are four primary channels accessible.

  • Stable is for reliable and tested updates
  • With Beta, you get tested and fairly reliable latest features
  • Dev channel offers the latest updates that might not be very reliable
  • Then, there is the Canary channel, which offers experimental updates with bleeding-edge features but very little reliability

This experimental channel got its name from the idiom “Canary in a coal mine,” which describes the role of a canary in a mine. Using the following command, you may navigate to this channel and experience life on the cutting edge:

live_in_a_coal_mine

17. Auto-Updates Over Cellular Networks

If you are connected to a cellular network while using Chrome OS, the operating system will not automatically update itself. It operates in the same manner as Android. You can enable or disable automatic updates through cellular networks by using the following instructions, provided that accessing mobile internet is not a problem for you:

update_over_cellular enable
update_over_cellular disable

18. Exit Crosh

Simply enter in this command when you are through investigating and wish to close the shell.

exit

It can be summed up like that.

Make Backups Before You Start Using Crosh Commands

If you modify settings in the Chrome OS Developer Shell without having sufficient knowledge of what you are doing, you run the risk of rendering your system inoperable. This should go without saying.

You would only lose any data that was saved locally, which is a blessing given how simple it is to repair a Chromebook. As a result of this, you should ensure that you establish backups before you start probing around too much. Have fun experimenting with the Crosh commands by playing about with your Chromebook, which are given above.

Alex
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