Ubuntu :: Strip Lucid Desktop Installation To MinimalCD?
Sep 6, 2010
I'm trying to get a minimalCD installation on a flashdrive but the installation never finishes... (i've left the installation runnin overnight for over 12hrs and only 90 percent got completed; whenever trying to retrive packages from the internet the process slows down to a crawl; i've tried ext4, ext3, ext2 and resierfs)normal Desktop insatallation works fine; so I was wondering if there is anyway to strip all the packages off a normal installation to get it to minimal installation, and than start installing the pacakges i need?
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Jan 7, 2010
I'm trying to strip down a 9.10 installation, which is destined to sit in the attic and act as a file/download server. Using Webmin (which is the greatest thing I have seen on Ubuntu, it rocks) I notice that the BIND process is using 5MB of memory, on an idle machine. Do I need this installed on a desktop machine ? Can folks suggest anything else I can disable/uninstall for a machine. I'm using neatx to connect to it, and Vuze as a torrent client.
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May 1, 2010
Working with an old desktop that had been running 8.04 Update failed so I installed from a LiveCD. Dual boot with XP. System runs great off of the CD. After installation of 10.04 and a restart, the system worked well. Tried lots of stuff off the Gnome menus. Restarted and booted XP. That worked too.
On my next restart I selected Ubuntu from the grub menu and the system gave me the sign in requester. I signed in but the desktop never appeared. All I got was the background and a mouse pointer.
Right clicking the mouse brings up a 7 item menu that includes items for creating a folder, creating a file, ....., choose a new background. The menu works. If I click create a file an icon for a new file appears on the screen. Clicking on the icon brings up a window running gedit. Choosing the new background item brings up a window with candidate new backgrounds. I have no idea how to get the gnome desktop back. The sign in screen has a bar at the bottom that shows Gnome is the default session setting. Booting into XP continues to work.
I've tried changing the GRUB_CMDLINE_LINUX_DEFAULT= line in the /etc/default/grub to add nomodeset. That didn't help.
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May 4, 2010
There must be something turned on in the security settings keeping Desktop Launchers from working.I have verified that the launchers have execute bit turned on in the permissions, yet when try to start one, I get an alert window saying this is an Untrusted application launcher.How do I disable this feature, or in the alternative, make them trusted?
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May 9, 2010
Well the title says it all.. i don't want to lose all of my settings with a fresh install and I only have the desktop CD, so can you do the upgrade with it?
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May 25, 2010
I've recently upgraded to Lucid, [url]
E.g., if I log in to a normal Gnome session, I have no panel or any controls whatsoever, just the desktop background and nothing else. Mouse works, but no mouse click of any sort brings up any menu. The only keystroke combo that works is CTRL-ALT-DEL which lets me cleanly reboot.
Logging in to Gnome-Failsafe works fine (that's where I am now). Even if I reconfigure the graphics in failsafe, however, it doesn't seem to fix the problem next reboot.
First question: What do I have to do to copy the working Gnome-failsafe info to Gnome regular?
Second question: What should I do to start the graphic config again from scratch? I'm guessing my problem might have something to do with my having an older Nvidia card and getting conflicts between the proprietary drivers and the 'nouveau' open source drivers, and my current efforts to fix things have probably left a mess of config files somewhere, but I'm not entirely up on how these things are configured nowadays, and understand that /etc/X11/xorg.conf isn't all there is to it anymore. (I used to know how to muck about with this stuff, but because the Ubuntu developers have done such fabulous work in getting things so they 'just work', users like me have had the luxury of not having to worry about figuring it out ourselves for quite a while; thanks are definitely in order there!)
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May 18, 2010
I upgraded from Karmic to Lucid recently. Before upgrading, I had customized my desktop on Karmic with Compiz, Emerald and new set of fonts. After upgrade (which appears to have gone smoothly, yay!), my desktop retained the previous appearance settings. I want to try the factory default gnome appearance settings for Lucid and still stuck with restoring fonts.
What I have done till now:
0. Enabled Visual Effects from Appearance menu.
1. Theme -> Changed to Human
2. Window Manager -> Still using Compiz
3. Window Decorator -> Switched from Emerald to GTK
4. Font -> Changed first 3 font types in the Font tab to Sans, size 10, 4th to Sans Bold and 5th to Monochrome. Rendering -> subpixel smoothing (LCD)
What I want:
1. Is this the default setting? Have I missed anything in restoring default settings?
2. I have done too many changes to firefox font rendering over time. How do I restore default 10.04 font settings for Firefox? I would ideally love to have an option in Ubuntu which would help me restore factory settings.
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Jul 30, 2010
I have a problem to get it to work. The installer seems to read the preseed-file alright, and some of the values defined in the preseed-file are taken into account. The questions regarding locale, keyboard layout and time zone are answered using the preseed-file, but in the user account creation-step the process goes wrong. The Full name-field is obtained from the preseed-file, but the login-name is generated by the installer and not read from the preseed. Also the password-fields are empty and not filled in. Also the script that I've defined with preseed/late_command is never run.
I tried searching the forums but no-one had exactly this kind of problem, so it makes me think that this has to be some trivial error I'm doing. Could someone take a look at these configs and see if there's something wrong with them? How should I continue resolving this?
[Code]....
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May 4, 2010
Lucid is not in testing but it's released.It seems it works now, with all desktop effects activated and switching users and closing sessions.The only thing I still don't know is which screensaver can I use if removing gnome-screensaver?
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Oct 11, 2010
Ubuntu 10.04 how stable are the lucid-proposed and lucid-backports options in the software sources settings?
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Apr 30, 2010
What's the procedure for updating from Lucid Beta 2 to Lucid LTS? Is it just "apt-get upgrade"? Or would I be better off with a clean install?
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Nov 18, 2010
If I click the mouse anywhere inside firefox browser window I get a big black strip and it blink on and off. See screen shot.Screenshot-Navigating and Working in Scribus | Linux Journal - Mozilla Firefox.jpg.I can get it to stop by doing a page reload. But it is very annoying. Has this happen to anyone else? If it has has anyone found a fix for this? While I was typing this it happen again.Screenshot.jpg
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Aug 22, 2011
I've noticed in Ubuntu that a lot of applications like to make use of the strip of menus that go at the top of the screen; I think it's called a menu strip in Visual Studios.Anyways, the only way I can see it (that I've figured out thus far) is to drag the window to the top of my screen, thus maximizing it, then use the menu, and put it back.What I want is a less... tedious way of accessing those commands, preferably without changing my window position. Is there a trick to it? In windows, unlike Ubuntu, that strip is available regardless of window size; is there a reason it disappears in my Ubuntu?
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May 9, 2010
I recently upgraded from Karmic to Lucid via the Update Manager. I would like to upgrade further by switching from 32 Bit to 64 Bit. I downloaded the Lucid 64 Bit ISO and wrote an install disk. When I reboot the computer with the install disk nothing happens.
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Nov 9, 2009
I have some text based reports in which I would like to strip the "Current Date" from and replace with equivalent number of empty spaces, for every occurrence.For example, here is what I need to strip:
Date: 11/09/09
If I manually run the following SED command, it works great, however I cannot seem to find a way to use the actual "date" command within SED, to get the desired results.
WORKING: sed -i -e 's/Date: 11/09/09/ /' myfile
I've been messing around with various attempts to do this using the "date" command within SED, but I just can seem to get it right. I've also attempted defining variables which call separate "date" commands for day, month, year and inject them via standard variable calling, echoing variable, expanding variable with brackets, etc... Here are a few of the SED command attempts I've tried:
Quote:
sed -i -e 'sate: `date +%D`: :' myfile
sed -i -e "s/Date: `date +%d`/`date +%m`/`date +%y`/ /" myfile
sed -i -e 's/Date: `date +%d`/`date +%m`/`date +%y`/ /' myfile
sed -i -e 's/Date: $(date +%D) / /' myfile
I need to replace it with the equivalent number of spaces, as I'm going to be overlaying a PCL Logo here and need to keep the structure of the rest of the file. Cannot have the remaining portion of the line shifting left.
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Mar 7, 2011
how can i strip out the # command in CLI on openSUSE? or the exact way of this command in ubuntu
sh -c "grep -v -e '^#' /etc/squid/squid.conf.backup | cat -s > /etc/squid/squid.conf"
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Jan 27, 2011
when i use image magick...in command, use -strip, can remove image's verbose but c++ code, how can i do?
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Apr 30, 2010
Today i installed the latest version of ubuntu. While working, the monitor went to standby and a popup window came, saying that in running in low graphics mode.Later i tried to create a new folder on desktop, but it seems like it friezed (only the desktop, everything else is working).How to solve this problem with the desktop.
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Apr 5, 2010
I'm having some difficulties with the comic strip widget that I use to keep me updated on Dilbert. It started out in ok-ish size, a little small, but readable. Now the entire strip takes up 3x3 cm, totally unreadable. Is there anyway to fix that?
Here is a screeshot of it:
[URL]
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Mar 23, 2011
I have a bunch of files (around 900) that have some special characters. Some of the files contains example, and quoting "[useless] filename (something)"so what I want is just to strip the brackets and parenthesis, some are folders, others are text files
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Aug 23, 2011
I'm currently using mogrify -strip image.jpg to remove unwanted bytes from images, it was suggested I could remove further data by using jpegran from libjpeg, something like:
jpegtran -copy none -optimize -outfile image.jpg image.jpg
The problem I'm having - if it even is a problem - is that jpegtran doesn't seem to actually do anything that mogrify isn't already doing. In all my testing the filesize just stays the same. If I remove the mogrify part of my code and replace with jpegtran then it seems to perform the same function.
For example:
image without compression: 300k
image with mogrify -strip + jpegtran: 272k
image with mogrify -strip only: 272k
image with jpegtran only: 272k
I was under the impression though that mogrify just removed image profiles/comments and that jpegtran did this as well as losslessly compressing the image to make it smaller. Am I missing something?
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May 19, 2010
We've done that in Karmic. Is there any way to get text next to the icons on Lucid's desktop?
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Mar 6, 2011
So this has been happening a lot lately. My Lucid desktop just randomly logs me off. I notice that when it happens my RAM is usually over 85% in use as cache. Is this normal? When I first turn on my PC cache is most of the time at about 15-20% but that is expected. I was thinking that maybe some program that runs in the background has a major memory leek, which I would expect in C. This never used to happen and one day it just started, it now does it about 5-6 times a week.
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May 29, 2011
I've been searching around for a way to do this, but none of the solutions I find seem applicable to Lucid. Is there, like, a Terminal command to change the alignment of desktop icons?
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Apr 30, 2011
Is there any way to change the window scrollbars in 11.04 from the frankly annoying minimalist orange strip to the far more user friendly large bar with clickable arrows top and bottom?
I'm using Ubuntu Classic Desktop...if I really couldn't get on with this scrollbar...would I actually have to go back to the previous OS release?
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Oct 28, 2010
I have a quirky situation whereby I'm using SED to selectively comment out a line in a crontab job (on Solaris, I know but it's connected to the Linux function I'm working with).
What's happening is this.
Remove hash symbol
Code:
/opt/csw/bin/gsed -i '/^.*/usr/local/scripts/mirror-fix.sh.*/ s/^#//' $TEMPFILE
Restore hash symbol
Code:
/opt/csw/bin/gsed -i '/^.*/usr/local/scripts/mirror-fix.sh.*/ s/^/#/' $TEMPFILE
The problem I'm running into is that the script can sometimes prepend an extra hash # symbol if run more than once (I have a lockfile that I poll for to discourage this, but that's not perfect).
I wonder how I can modify that sed statement to remove any/all leading hash marks up to the first other character, in this case it's a 0 (zero) which is a crontab file.
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Apr 6, 2011
dhclient does not strip or escape shell meta-characters
Summary: dhclient doesn't strip or escape certain shell meta-characters in dhcpd responses, allowing a rogue server or party with with escalated privileges on the server to cause remote code execution on the client.
CVE:
ISC dhclient did not strip or escape certain shell meta-characters in responses from the dhcp server (like hostname) before passing the responses on to dhclient-script. Depending on the script and OS, this can result in execution of exploit code on the client.
CVSS Score:
For more information on CVSS scores, visit [url]
Workarounds:
On SUSE systems, it is possible to disable hostname update by setting DHCLIENT_SET_HOSTNAME="no" in /etc/sysconfig/network/dhcp.
Other systems may add following line to dhclient-script at the beginning of the set_hostname() function:
In environments where filters/acls can be put into place to limit clients to accessing only legitimate dhcp servers, this will protect clients from rogue dhcp servers deliberately trying to exploit this bug.
However, this will not protect from compromised servers.
Active exploits:
Solution:
Upgrade to 3.1-ESV-R1, 4.1-ESV-R2 or 4.2.1-P1. [url]
No patch is available for 4.0.x as it is EOL. Anyone running 4.1.x should upgrade to 4.1-ESV-R2.
Acknowledgments:
Revisions:
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May 6, 2010
The reason why I'm pissed because so many people out there that use Linux aways say Microsoft sucks. But I have more problems with Linux, at least with Microsoft problems I can solve. Now since I got that out of my system, here's my issue.
I just installed LTS 10.04 everything was working fine, I have an ATI 5700 card installed so I installed the ATI drivers not the open stuff. After install the drivers worked perfectly no problems. After several days of using the computer, I said I'll run some updates. I did so and rebooted my computer and BOOOM now my ATI drivers do not work. I can't enable desktop effects, can't use cube etc. Not only that but if I go to the prior build it won't work there either. If this was windows 7, I would just reinstall and it would work.
Luckily for me I made a image of my Ubuntu 10.04 and did a restore and everything went back to normal because I restored the image prior to the update. Now just for kicks I ran the updates again to be sure the updates did indeed break the vid drivers. Yep, after the updates ran, reboot, BOOM broke again. What gives? Is it the kernel updates? If so then I guess I'll run updates without updating the kernel. By the way I did try to install the drivers that come with Ubuntu but that work either. I guess I have to do the restore again. I rather use the ATI drivers vs the open stuff.
Questions are the updates unstable? If it is then why release? Can anyone provide any solutions? Should I run updates but skip Kernal changes? If not then what is blowing up the drivers?
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Jun 11, 2010
Using Ubuntu Lucid 10.04System froze, and after reboot, my homefolder is displayed on my desktop.
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Jun 23, 2010
experiencing a lot of desktop freezes on Lucid. it goes fine for a while then i cannot minimize or maximize Sometimes i can open a new window from the top but often not
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