1
vote
2answers
4k views

how to increase open file limits (nofile and epoll) in 10.04?

I'm running into a fairly common problem in configuring a hadoop cluster (actually, its using Cloudera's pseudo distributed cluster on a single machine), where the number of files that hadoop is ...
2
votes
1answer
4k views

Getting openvpn working ubuntu

I am trying to set up a VPN over a few VMS that I have. I created an openvpn server on ubuntu 10.04 and am trying to configure the client using 12.04. I followed these instructions here ...
2
votes
2answers
999 views

How to recreate apache configuration directory?

I was setting an apache instance up. And accidentally, I did rm -rf /etc/apache2. Now I don't have any configurations. Oh. I sudo apt-get install apache2 --reinstall, but didn't' work :( How can I ...
0
votes
1answer
510 views

Install mediawiki with PostgreSQL instead of MySQL

I need to install Mediawiki with PostgreSQl as database backend on an 10.04 server. I would prefer to install Mediawiki via apt-get/aptitude but I don't know how to configure the installation not to ...
3
votes
4answers
3k views

HSDPA modem only working on certain USB ports

Depending on which USB port I use to connect my HSDPA modem, the network manager will connect to the internet or not. I used to work (i.e. established a internet connection automatically) on all ...
1
vote
1answer
505 views

Expanding /boot… how to proceed?

I just installed Ub 10.04.2 LTS -64bit on a new drive in my new laptop. Didn't allocate enough space for /boot partition, and Update Manager choked on updating the kernel -- or at least I think ...
1
vote
1answer
672 views

Why does tomcat-admin install require adding admin and manager to tomcat-users.xml manually?

I installed tomcat6 on lucid using apt-get. All working. I installed tomcat-admin. Not working. I amended the /etc/tomcat6/tomcat-users.xml file to uncomment the users and roles (from the default) ...
4
votes
1answer
3k views

Do I need to act on “Tomcat6 APR based Apache Tomcat Native library not found”?

I've installed tomcat6 via apt-get on lucid and I'm getting the following in my Tomcat catalina.out on startup: INFO: The APR based Apache Tomcat Native library which allows optimal performance in ...
2
votes
1answer
2k views

Why does installing tomcat6 require creating a soft link to /usr/share/java?

I installed tomcat6 on lucid using the instructions here: https://help.ubuntu.com/10.04/serverguide/C/tomcat.html (I didn't create an instance level version - the system level version was fine) When ...
1
vote
2answers
2k views

How can I install my Xbox 360 wired controller?

I have tried the install instructions https://help.ubuntu.com/community/Xbox360Controller but I keep getting an error message at the point when I'm executing the Make file. ...
7
votes
3answers
4k views

Set up a Serial-to-Ethernet Converter With a Virtual Serial Port

I have a '3one data' brand serial-to ethernet converter, that plugs into a serial device at one end, and allows bidirectional communications with the device over an ethernet connection, like this: ...
2
votes
1answer
2k views

Setting up NFS client shows “local domain name not set” error

I'm having trouble configuring the machine to use nfs. I have installed autofs, and tried to configure it. But the problem is that the configuration I use on OpenSuSe machines isn't working. First ...
3
votes
1answer
395 views

Static IP address changed to another static IP address. What needs to be changed?

My static IP was on Verizon's network, who are subletting their Fios lines to Frontier. Now I am given a new static IP from Frontier's data network. May I have a ballpark list of configurations to ...
3
votes
2answers
5k views

“ldap_add: Naming violation (64)” error when configuring OpenLDAP

I am following the Ubuntu server guide to configure OpenLDAP on an Ubuntu 10.04 server, but can not get it to work. When I try to use sudo ldapadd -x -D cn=admin,dc=don,dc=com -W -f frontend.ldif I'm ...
2
votes
2answers
2k views

Network printer gets disabled occasionally

I'm running Ubuntu 10.04 and have a HP-Laserjet-3005P network printer. Occasionally (perhaps related to rebooting) the printer, which is setup as the default printer, becomes disabled. After realizing ...
3
votes
6answers
8k views

What made “smbd” stop running on boot-up?

Recently I was faced with a weird problem on my samba server (Ubuntu 10.04 LTS am64) when all shares were "suddenly" inaccessible to the clients. Tracking down the error revealed that smbd was not ...
9
votes
2answers
2k views

How to remove menu items?

I want to remove these items from the System menu: Help and Support About Gnome About Ubuntu I can't do this with Main Menu (bad naming, should be menumanager or so).
1
vote
2answers
97 views

Changing program privileges

I installed a codec under the root user in my Ubuntu 10.04 installation. As you guessed, I can't play a movie using the codec under my normal user account. How do i rectify the problem?
3
votes
1answer
192 views

What exactly happens when ubuntu recovers from crash?

I've experiences some configuration "resets" after ubuntu crashes: Display configuration changed (I'd changing through /usr/bin/nvidia-settings) Hibernation/Suspension turned on again (I'd disabled ...
6
votes
2answers
2k views

How to Configure Fluxbox menu?

How do you modify the default Fluxbox menu?
4
votes
3answers
3k views

Replacing vi by vim

In my college our Admin has replaced vi by vim. So how do I replace vi by vim so that, when I type vi in terminal, then vim should get opened. I know doing so is silly, but I am asking it just out ...
6
votes
4answers
10k views

How to configure TATA Photon+ EC1261 HUAWEI

I'm running ubuntu 10.04. I have a newly purchased TATA Photon+ Internet connection which supports Windows and Mac. On the Internet I found a article saying that it could be configured on Linux. I ...
3
votes
2answers
5k views

Problem changing resolution using xrandr: BadMatch

I tried to change the resolution using the following commands (found here): Use xrandr to check the current configuration and available modes: $ xrandr Screen 0: minimum 64 x 64, current 800 x 600, ...
2
votes
2answers
1k views

How to resolve Ruby on Rails ImageMagick conflict?

I am trying to install refinerycms, a Ruby on Rails CMS on Ubuntu 10.04 LTS. I run rails server and I get the following exception: carcher@carcher-laptop:~/Code/tgc$ rails server => Booting ...
5
votes
3answers
2k views

How do I get a 3G USB modem to work?

Since at least Jaunty, I've tried to get my wife's 3G USB modem to work on Ubuntu, always with the same result - instant, complete system freeze. I've tried installing`wvdial and usb-modeswitch, I've ...
4
votes
3answers
4k views

How to set up two screens in one vertical-one horizontal formation?

I've tried to set up that configuration a lot of times, but I'm not able to make it work properly. I want to set up one of the screens as vertical and the other one as horizontal... I'm able to use ...
10
votes
3answers
9k views

Re-mapping keyboard keys

I am using a keyboard with the "fn" key. This is on a laptop. So my FN + Up/down/left/right keys are mapped to brightness/volume. I would much rather them be mounted to page up/down, home/end. And ...
3
votes
2answers
755 views

Conky configuration woes

I am having trouble setting up conky to display my google calendar or a basic todo list and various system stats mainly memory and processors activity. I would appreciate the steps to set this up. ...