I am running Chromium (the open source chrome version) on Ubuntu Linux. Can I write a programme to see what tabs I have open? I would like to write a programme to monitor how much time I'm spending on things. Is there a command line programme, some way to invoke the chromium-browser command, or some dbus incantation that will tell me what tabs I have open and what URL each tab is at?
Chrome on Linux - query the browser to see what tabs are open?
For chromium :
strings ~/'.config/chromium/Default/Current Session' | 'grep' -E '^https?://'
Indeed there is a command line option which can open the door to a running chrome (chromium) process --remote-shell-port. Through this "debugging back-door" you may be able the get the list of open tabs.
Look at chromedevtools for further inspiration.
UPDATE:
Chrome DevTools is deprecated and not supported anymore since Version >17.0.950.*
See WebKit-Protocol manual if the new Debug-Framework provides similar manners to accomplish the task.
Here is a more general solution (works with other applications as well) by querying the X window under focus using xdotool
while true; do
xdotool getwindowfocus getwindowname;
sleep 10;
done
This outputs the following for instance:
Tilix: Defaultpeter-ThinkPad-T5801: peter#peter-ThinkPad-T580: ~
Chrome on Linux - query the browser to see what tabs are open? - Stack Overflow - Google Chrome
Local KVM
untitled — Atom
untitled — Atom
Open File
iostat_xtmz_3.out — ~/Work/KappAhl/Test1 — Atom
Tilix: Defaultpeter-ThinkPad-T5801: peter#peter-ThinkPad-T580: ~*
An expansion on the unix command above (I don't have enough reputation to comment). I was trying to just get a count of tabs. This still isn't perfect because I think the file has the entire history of all tabs in it. I guess they are in order, but not obvious how to separate them.
strings ~/Library/Application\ Support/Google/Chrome/Default/Sessions/Tabs_* | sed -nE 's/^([^:]+):\/\/(.*)\/$/\2/p' | grep -v "newtab" | grep -v "new-tab-page" | sort | uniq | wc -l
This is on mac, so your paths and sed options may vary.
The basic idea is to get rid of trailing slashes (lots of redirects just add a slash) and newtabs so we can get an accurate count. For my current tabs file this went from 181 tabs open down to a count of 35. That actually looks like an undercount right now, but it is a lot closer.
I have written a tool to extract data from chrome session files for precisely this purpose. https://github.com/lemnos/chrome-session-dump. Running it like so chrome-session-dump will produce a list of tabs (in order) which can subsequently be passed to firefox. E.G chrome-session-dump|xargs firefox. You can also obtain the currently open tab via -active for processing by external scripts.
Related
I'm using this very simple .screenrc:
logtstamp on
logfile /tmp/screenlog-%S.log
I tried launching screens with these two methods:
screen -L -S testing
screen -S tester -L
but the filename used is /tmp/screenlog.0S.log. What am I doing wrong? Using Screen version 4.00.03jw4 (FAU) 2-May-06, and according to the manual I should be able to name the log file using the session name
If you look at the man page (man screen) for your (8-year-old?) version of screen, you'll see it's missing the %S specifier. They must have added it since your version. I'm not sure why Ubuntu 12.04 shipped screen from 2006..
P.S. I'd advocate looking into tmux. It's a little bit harder to learn, but a lot more flexible: You can move windows between sessions, You can see multiple windows at once, You can nest sessions inside of other sessions, etc.
Also, if you are just looking to log the output of long-running processes, take a look at nohup.
Is there a semi-universal mechanism by which to reveal files as selected in various *nix window managers via the command line? For example, in Windows I can say the following:
explorer.exe /select,C:\TestDir\TestFile.txt
…and Explorer will reveal the file and select it for you. In OS X I can say the following:
osascript -e 'Tell application "Finder" to reveal "MacHD:Users:myaccount:Desktop:filename.txt"'
…and it will do the same. My question is, is there any way to do the exact same thing (somewhat universally) in any of the various popular *nix flavors across window managers? Obviously "Open Containing Folder" is simple enough, but I want to go the extra step of actually opening it with the specific file selected. Any assistance is appreciated.
Best.
I don't about other file managers (other answers can add that) but for nautilus it's been recently fixed
This allows to call nautilus
uri:///path/to/file from the command
line to open uri:///path/to with file
pre-selected.
For OSX AppleScript works for all versions, but if you know you'll be dealing with 10.6 or later you'd be better served by using the -R option for "open". It's around 30 times faster.
open -R "/Volumes/Users/Desktop/file-to-open.txt"
For Linux Nautilus allows for direct calling of the file, a generic solution for GNOME (you won't find one for "Linux") is the "gnome-open" command, which currently could open the directory but won't highlight the file:
"gnome-open /tmp/file.txt"
I want to create an image what a web page looks like,
e.g. create a small thumbnail of the html + images.
it does not have to be perfect (e.g. flash /javascript rendering).
I will call use the code on linux, ideally would be some java library, but a command line tool would be cool as well.
any ideas?
Try CutyCapt, a command-line utility. It uses Webkit for rendering and outputs in various formats (SVG, PNG, etc.).
you can get it nearly perfect, and cross platform too, by using a browser plugin.
FireShot or ScreenGrab for Firefox.
6 Google Chrome Screenshot Webpage Capture Extensions
BrowserShots is an open source project that may have some code you can use.
also see:
Command line program to create website screenshots (on Linux)
Convert web page to image
How to take screenshot of whole web page, rather than what shows on the screen
What is the best way to create a web page thumbnail?
Convert HTML to an image
To take a screenshot in the terminal with ImageMagick, type the following line into a terminal and then click-and-drag the mouse over a section of the screen:
import MyScreenshot.png
To capture the entire screen and after some delay and resize it, use the following command:
import -window root -resize 400×300 -delay 200 screenshot.png
You may use a mixture of xwininfo and import to retrieve the window id of the browser and make a screenshot of that window. A bash script to automate this process would be something like this:
#!/bin/bash
window_id=`xwininfo -tree -root | grep Mozilla | awk '{print $1}'`
import -window $window_id -resize 100x100 tumb.png
This script will create a 100x100 screenshot of Firefox on the current directory under the name tumb.png
Several sources show how to run a bash script from inside a Java application, google can help you on that. If you are in a hurry, check this and this.
After reading this page, I was thinking, let me fire up midori browser: http://midori-browser.org/ and when I tried the -h option, I have seen:
-s, --snapshot Take a snapshot of the specified URI
QutyCapt is difficult to compile, and has many dependencies. Midori has it less. It outputs the PNG of the website into TMP folder. One can get the file with:
midori -s http://www.rcdwealth.com new.png 2>/dev/null | awk '{ print $4}'
After that, the file can be converted to thumbnail size by using ImageMagick's convert program.
If you're interested in Java, maybe you could look at browser automation using Selenium-RC http://seleniumhq.com
It's a little java server that you can install on the box and the program itself will execute remote commands in a web browser.
Steps like (this is pseudo code by the way, I code my Selenium in php and I can't recall 100% of the specifics off the top of my head)
selenium.location("http://foo.com")
selenium.open("/folder/sub/bar.html")
selenium.captureScreenshot("/tmp/" + this.getClass().getName() + "."
+ testMethodName + ".png");
Actually, I just did a quick websearch for the exact syntax on that last one ... and this guy has a blog with what might actually be working code in java :)
https://dev.youdevise.com/YDBlog/index.php?title=capture_screenshots_of_selenium_browser_&more=1&c=1&tb=1&pb=1
There's also a number of websites that provide this service "cross browser and OS" I just can't recall what they are. Basically they've got a cloud of every single operating system and browser combination, and they log on with each machine, take a screen and store it on their site for you to come back to in a few hours when they're done.
Ahh... another websearch and it's yours :) http://browsershots.org/
When you scroll up, say to see a log, the first portion of it will not be visible since the terminal only supports a limited no. of lines. So if you want to scroll up and be able to see everything, at least a few pages up, how do you do it?
Use Shift+Page Up and Shift+Page Down.
Piping the output to a pager like the following is a better choice:
command | less
command | more
You can enable unlimited scroll back (or a huge amount if you want).
To do this, go to
File → Profile preferences → Scrolling [tab]
Then, check Unlimited, or set the number of lines desired. And of course, it only applies to the next typed lines.
Some tricks I use-
some terminal applications (gnome-terminal) allow you to increase the scroll-back buffer size
pipe output to a file:
command > file.log
pipe your command to less:
command | less
tail log and pipe to grep to reduce output
tail -f example.log | grep 'search text'
An alternative to screen is using tee to copy all output to a file while still printing it on the terminal:
yourcommand | tee output.txt
Try using the screen command, and set its scrollback buffer to a larger size.
screen has many other benefits and wonderful features.
If all you're doing is looking at a log, you could alternately use a pager such as less
If you want to scroll line by line, you can use
Control+Shift+Up/Down Arrows.
If you are using gnome-term (the default), then you can change your settings. Either set the no. of lines to unlimited, or to a much larger buffer size than the default.
Essentially seconding to #zerick's solution but if you're on gnome-terminal you can modify its config. See this.
If you are in tmux (can create multiple terminal sessions in a single terminal session, highly recommended), you can easily use your normal navigation keys to scroll around after you do Ctrl-b then [, for more details let's take a look at: How do I scroll in tmux?
None of these answer the original question. All answers are how to make new terminal windows (or current one) start behaving a certain way. The question is about how to see whats already scrolled away.
To answer this, each terminal session should have it's own "history" file (not to be confused with what command history is) containing all the stuff that relates to stdin/stdout displayed. I could be wrong but this may be different depending on the terminal emulator you use. Some just trash it when you close the window/ end the session.
I am trying to get this figured out myself so here is the more direct answer in a different thread.
https://unix.stackexchange.com/questions/145050/what-exactly-is-scrollback-and-scrollback-buffer
From what this tells me, I suspect best advice you can get is, for whatever terminal emulator you use, look for where it stores the scrollback buffer and that might be your only hope. It's what I am going to try right now. (and that is IF the session is currently still open, not closed terminal windows)
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.
Questions asking us to recommend or find a tool, library or favorite off-site resource are off-topic for Stack Overflow as they tend to attract opinionated answers and spam. Instead, describe the problem and what has been done so far to solve it.
Closed 9 years ago.
Improve this question
What is a good command line tool to create screenshots of websites on Linux? I need to automatically generate screenshots of websites without human interaction. The only tool that I found was khtml2png, but I wonder if there are others that aren't based on khtml (i.e. have good JavaScript support, ...).
A little more detail might be useful...
Start a firefox (or other browser) in an X session, either on your console or using a vncserver. You can use the --height and --width options to set the size of the window to full screen. Another firefox command can be used to set the URL being displayed in the first firefox window. Now you can grab the screen image with one of several commands, such as the "import" command from the Imagemagick package, or using gimp, or fbgrab, or xv.
#!/bin/sh
# start a server with a specific DISPLAY
vncserver :11 -geometry 1024x768
# start firefox in this vnc session
firefox --display :11
# read URLs from a data file in a loop
count=1
while read url
do
# send URL to the firefox session
firefox --display :11 $url
# take a picture after waiting a bit for the load to finish
sleep 5
import -window root image$count.jpg
count=`expr $count + 1`
done < url_list.txt
# clean up when done
vncserver -kill :11
Try nice small tool CutyCapt, which depends only on Qt and QtWebkit. ;)
Have a look at PhantomJS, which seems to be a free scritable Webkit engine that runs on Linux, OSX and Windows. I've not used it since we currently use Browshot (commercial solution), but when all our credits run out, we will seriously have a loot at it (since it's free and can run on our servers)
scrot is a command line tool for taking screenshots. See the man page and this tutorial.
You might also want to look at scripting the browser. There are firefox add-ons that take screenshots such as screengrab (which can capture the entire page if you want, not just the visible bit) and you could then script the browser with greasemonkey to take the screenshots.
See Webkit2png.
I think this is what I used in the past.
Edit I discover I haven't used the above, but found this page with reviews of many different programs and techniques.
I know its not a command line tool but you could easily script up something to use http://browsershots.org/ Not that useful for applications not hosted on external IPs.
A great tool none the less.
I don't know of anything custom built, I'm sure there could be something done with the gecko engine to render to a png file instead of the screen ...
Or, you could fire up firefox in full screen mode in a dedicated VNC server instance and use a screenshot grabber to take the screenshot. Fullscreen = minimal chrome, VNC server instance = no visible UI + you can choose your resolution.
Use xinit with Xvnc as the X server to do this - you'll need to read all the manpages.
Downsides are that the screenshot is always the same size, doesn't resize according to the web page ...
There is the import command, but you'll need X, and a little bash script that open the browser window, then take the screenshot and close the browser.
You can find more information here, or just typing import --help in a shell ;)
http://khtml2png.sourceforge.net/
The deb file
http://sourceforge.net/projects/khtml2png/files/khtml2png2/2.7.6/khtml2png_2.7.6_i386.deb/download
worked on my Ubuntu after installing libkonq4 ... but you may have to cover other dependencies.
I think javascript support may be better now!
Stephan
Not for the command line but at least for usage in batch operation for a larger set of urls you may use firefox with its addon fireshot (licensed version?).
Open tabs for all urls in your set (e.g. "open tabs for all bookmarks in this folder...").
Then in fireshot launch "Capture all tabs"
In the edit window then call "select all shots -> save all shots"
Having set the screenshot properties (size, fileformat, etc.) before you end with a nice set of shotfiles.
Steffen