I'd like to manage my home machines and laptops with Landscape, how can I do this?
How can I disable Amazon search results in the Dash?
I am trying to boot Ubuntu on my computer. When I boot Ubuntu, it boots to a black screen. How can I fix this?
Table of Contents:
I use an application that consumes inotify watches. I've already set
fs.inotify.max_user_watches=32768
in /etc/sysctl.conf but last night the application stopped indexing unless I ran it manually, which leads me to suspect I am out of watches.
Since I don't know what the trade off is when I increase this number (does it consume more RAM?), I don't know if I should just increase this number, so I'd like to know if there's a way I can tell if it's using all these watches and what the tradeoffs might be for increasing it.
I use byobu with the tmux backend on my 12.04 server. I'd like to use the midnight commander shortcut keys with it, but the F keys don't work.
I've seen some posts on the issues here:
but they are out of date and don't seem to work for newer versions of byobu. How can I either work around this or use MC in a way that works better?
I was doing a package removal with apt-get remove but then realized I should have done a --purge along with it to remove the configuration files.
Can I remove the packages configuration files easily or do I need to reinstall the package and then remove with a --purge?
I'm used to extracting tarballs with a -xfz flag, which handles gzip and bzip2 archives.
Recently I've run into a .tar.xz file and I would like to uncompress it in one step using tar, how can I do that?
I keep seeing places refer to the "multiverse" repository as a place I can get software, how can I enable this repository? Please specify how to do this graphically and via command line.
I've seen some people complaining about how unstable CompizConfig Settings Manager ("CCSM") is and how it can break people's desktops if they're not careful.
What are some of the known problems with CCSM? I'd like to decide whether or not it's worth the risk for me.
I would like to set the wallpaper in the login screen (Unity Greeter), how do I do that?
I've just installed Ubuntu and I need either video, wireless, or some sort of other manufacturer (non-opensource) driver. How can I run the tool that will fetch all of these for me? I'd like graphical instructions.
Related:
Sometimes I see pictures of screenshots with people with web applications and nice icons on their launcher, how can I set this up?
I've been finding fonts on the internet and installing them on my system.
What's the easiest way to change my fonts? I would prefer an easy to use graphical way, but answers with command line recommendations are also welcome.
In System -> Preferences -> Keyboard -> Layout -> Options ->Alt/Win key behavior
What do meta, super, hyper mean?
I've been messing around with Unity and broke something, how do I "start over"?
I see some answers where people post to set a key in the gconf-editor, however there is no entry for gconf-editor in my menu.
How do I run it and how do I use it to set keys that people recommend?
I use the dpkg -l command to find out what version of a package I have installed. For example:
dpkg -l network-manager
returns the information on the package:
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-=========================-=========================-==================================================================
ii network-manager 0.8.3~git.20101118t223039 network management framework daemon
As you can see, it returns 0.8.3~git.20101118t223039 which is wrong because it truncates the version (I've picked a long one for the purpose of this question). The way I've solved this in the past is to pass a stupidly long COLUMNS argument to make it expand:
COLUMNS=200 dpkg -l network-manager
which gives me the entire version number, but also a bunch of junk:
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-============================================-============================================-========================================================================================================
ii network-manager 0.8.3~git.20101118t223039.d60a988-0ubuntu1 network management framework daemon
Now I can see the full version number, which is 0.8.3~git.20101118t223039.d60a988-0ubuntu1.
I get the feeling that this is not the proper way to find the version number of an installed package. This never really was a problem in the past, but with the tacking on of "ubuntu" in the versions and the proliferation of PPAs these strings are getting longer and longer. Is there an easier way?
I keep seeing places refer to the "partner" repository as a place I can get software, how can I enable this repository? Please specify how to do this graphically and via command line.
I am trying to ask a question about getting my hardware to work but I don't know what information to add to my question to get help, what do I need to do?
Related if you don't have access to a GUI:
I am lazy at home and use password authentication for my home machines. I am ready to move to key based authentication. There are many options on the web on how to do this, including catting then sshing the key over, scping the key over directly, etc.
I am looking for the easiest and recommended way to copy a key over, hopefully there is a convenience wrapper somewhere in the Ubuntu ssh package?
I'm already aware on how to shut off password logins.