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Questions tagged [ubuntu]

Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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519 views

Looking for FOSS video media server options

I have a scenario where a client is wanting to transition from a Bitband media server to something they can have better control over. Here's the scenario: windows XP clients (200+) using WMP11 (or ...
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3answers
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What is the format of specifying 'http' repositories in /etc/apt/sources.list?

After specifying the url of the repository, what do the tags like 'stable','non-free' mean in the entries of /etc/apt/sources.list ? If we know the url of a repository, how do we decide about these ...
2
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5answers
828 views

Help fixing GRUB for linux/winxp dual boot scenario

a long story here, but basically I had windows xp on sda1 aka (hd0,0) and ubuntu on sdb5 aka (hd1,4) and they were booting fine. Something messed up with ubuntu, I reinstalled, and tried to fix grub.. ...
3
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1answer
1k views

Lighttpd big uploads memory consumption

Consider the following scenario: I am running lighttpd-1.4.19 and I am handling big uploads (hundreds of MBs but less than 1GB) through it. Server is running on Ubuntu 8.04 LTS. Files are ...
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3answers
1k views

What are the best linux performance tweaks for javac without a makefile?

What are the best linux performance tweaks for javac without a makefile? I am talking about the use of ant build files and IDEs that scan the source and create the dependencies as well as doing the ...
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6answers
477 views

Prevent users from marking files as executable?

I want to ensure that users of my system are incapable of chmodding files +x, and I do not want anything in /home/ or /var/ to be executable. I can't put them on separate partitions. Running Ubuntu ...
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5answers
3k views

ubuntu does not use 100% ram

I am running ubuntu 8 on a 2GB laptop. Whenever I look in my system monitor, I see my memory usage is slightly below 1G. Why isn't ubuntu using the full 2GB? Let me say that the full 2GB are ...
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3answers
2k views

Ubuntu 8.04 LTS vs 9.04 for 64 bit server

I'm setting up a new server and am debating between the LTS and latest versions. I normally run the newest stuff (my current server for which this is a replacement is latest), but I want 64 bit this ...
1
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1answer
520 views

Postfix local delivery rewriting address so that it is not deliverable

I have a basic Ubuntu Server 9.04 install with Postfix freshly installed via apt-get. When I do a sendmail -bv vlewis@bunner.ath.cx where vlewis is a unix account. The delivery report I get says ...
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4answers
2k views

Ubuntu linux takes longer time for incorrect passwords

When I log into my Ubuntu 8.10 box with a correct password the system figures out almost instantaneously that the password is correct and logs me in. However, if I supply an incorrect password, it ...
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2answers
145 views

DigSig out of maintenance as of March 5th 2009

I am in the planning stages for a new server where I plan on running Ubuntu. In looking at my hardening options, I wanted to add DigSig. I noticed however that DigSig went out of maintenance on March ...
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2answers
3k views

Why does Ubuntu 9.04 reset my Windows clock?

I've got a rig with 2 hard drives. I've put Ubuntu 9.04 (Jaunty) on one of the drives and Windows Vista SP2 runs on the other drive. I went with this approach rather than dual boot since I wanted to ...
4
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3answers
9k views

Accessing shared folders from Ubuntu (guest OS) in VMware Workstation ACE Edition

I have enabled the "Shared Folders" feature on the VM that runs Ubuntu 9.04. How do I access this from the Ubuntu guest OS? My host OS is Windows Vista Home Premium with SP2. Note: I have enabled "...
3
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3answers
981 views

What should I set the initial MySQL Values in My.cnf to for Performance?

I am just setting up my new Linux Ubuntu 8.04 LTS server now, and getting ready for launch. My application is a PHP built application using the Zend Framework, and there is a MySQL heavy site (as are ...
2
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2answers
267 views

How do I not lose my Windows XP router wired connection upon Ubuntu shutdown?

When I shut down Ubuntu, my router's Ethernet light goes off. When I reboot into Windows, it says a cable is disconnected. If I reboot into Ubuntu again, the Ethernet light goes on again. If I then ...
5
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8answers
6k views

Installing Oracle 11g for 64bit on Ubuntu 10.04 server 64bit?

I want to install Oracle 11g for 64bit on a Ubuntu 10.04 64bit server.Does anybody knows how to install the Oracle 11g on Ubuntu from the scratch(pre-installation to post-installation)?
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10answers
79k views

How do I find out whether a port is available on Ubuntu 8.04?

Is there any command I can run from bash that will tell me whether a port is already open?
2
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2answers
728 views

Proper manual deployment of a Java Application Server on Ubuntu Server 8.10 - Linux

I am currently preparing to deploy a JBoss AS into production for the first time. My Linux distribution is Ubuntu Server 8.10 . My original plan was to use aptitude to install JBoss. Currently ...
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5answers
850 views

Installing trunk Mono on Ubuntu

I am quite new to linux. I have to install Mono on a linux machine from souce code. I know the general method: read-instructions, install-dependencies, ./configure, make, make install. However this ...
5
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3answers
2k views

VNC Performance

Is it normal for VNC performance to be really slow? In our small network, windows remote desktop works seamlessly, but when using VNC to connect to some ubuntu machines I can barely work even on ...
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5answers
291 views

Superuser access in shell

How do I get root access from shell? When I'm trying to use su I get: default@default-laptop:~/home/default$ su Password: su: Authentication error default@default-laptop:~/home/...
2
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4answers
1k views

Mouse/touchpad toggle in Ubuntu

How to tune Ubuntu to automatically deactivate a touchpad on mouse connect and activate on its disconnect?
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14answers
22k views

File Server - Storage configuration: RAID vs LVM vs ZFS something else…?

We are a small company that does video editing, among other things, and need a place to keep backup copies of large media files and make it easy to share them. I've got a box set up with Ubuntu ...
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3answers
3k views

Ubuntu Server fails to boot when eSata external enclosure is connected

I wish to connect an external enclosure of discs in a JBOD configuration to a computer running Ubuntu 8.10 server edition. I have the Ubuntu installation running smoothly on an internal IDE drive that'...
2
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2answers
3k views

Correct Putty configuration for Ubuntu 9.04

I often use Putty (www.chiark.greenend.org.uk/~sgtatham/putty/) to connect to Ubuntu boxes (9.04 now). It works well, but I can't figure out the correct combination of Putty font, character encoding, ...
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2answers
10k views

Why would brk() in strace output be taking several seconds?

We've been noticing a significant slowdown of one of our applications when migrated to Ubuntu Hardy, amd64. It runs perfectly well on Debian Sarge i386. Running an 'strace -r' against the (Apache 1.3)...
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5answers
8k views

I have two versions of apache running on Ubuntu, how can I remove one?

I installed apache on ubuntu by doing the following: sudo -i cd /usr/local/src wget http://apache.mirrors.tds.net/httpd/httpd-2.2.11.tar.gz tar -xvf httpd-2.2.11.tar.gz cd httpd-2.11.9 ./configure --...
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2answers
2k views

Permission problems with web server on Ubuntu

I have a virtual host set up on my Ubuntu server: <VirtualHost *:80> ServerAdmin email@gmail.com ServerName dailysongfix.com ServerAlias www.dailysongfix.com DirectoryIndex ...
9
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6answers
4k views

GUI on Ubuntu server?

I'm primarily a developer, but as part of this I'm running an Ubuntu server for a client where he has several small to medium sized websites. Although my main development environment has generally ...
5
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5answers
1k views

Ubuntu server deployment [closed]

What's the best way to automate Ubuntu Server deployments? I saw that someone is porting Kickstart to Ubuntu, but it didn't look very complete.
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4answers
224 views

How many resources will a default Ubuntu LTS server install require?

Given a default (no extra packages installed) instance of Ubuntu Server LTS, how many resources are needed? I'm curious about: * CPU consumption * RAM working set * Network needed * Disk I/O * ...
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3answers
16k views

How many resources does a mumble server need?

Given a default instance of Ubuntu Server LTS, how many additional resources are needed to run a Mumble server ("murmor") for say 10 connected users? I'm curious about: CPU consumption RAM working ...
2
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2answers
6k views

SD card will not mount on Ubuntu 9.04

I've got a video camera that records directly to SD(HC) cards; I've also got an Ubuntu 9.04 laptop (netbook) with an SD reader. I have a 16GB SDHC class 6 card that I was using for data storage on ...
12
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11answers
10k views

Any way to run Linux as a Virtual Machine on top of Windows so can have best of both worlds?

Since Linux has a lot of useful tools, while Windows has a lot of apps (like Chrome), instead of buying another machine to run Linux, is there a way to run it as a Virtual Machine on the PC? The ...
18
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6answers
16k views

Default groups assigned to the first user in Ubuntu Server 8.04?

I just made a silly mistake on my Ubuntu Server box: I added myself to a group using usermod -G, after which I discovered the -a option... The result is that I am now out of the admin group, and ...
2
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1answer
4k views

Where Does Ubuntu Execute Hdparm.conf Settings

I'm looking for some info about the hdparm.conf file in Ubuntu (Jaunty). I have added some settings in there and would like to "run" them. How can I execute the hdparm.conf file from the command line?...
5
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6answers
3k views

How to daemonize servers on Ubuntu?

I've got a couple of servers on my Ubuntu that need to be restart-proof daemonized. How can I do that with generic init first process? Should I swap to upstart or some other replacement?
2
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2answers
2k views

How do I adjust mouse sensitivity on Dell Mini9 running Ubuntu?

I recently picked up a Dell Mini9 netbook running Ubuntu 8.04. It runs great and I love it, but there's one glaring issue out of the box. The trackpad mouse and mousewheel are way too sensitive. I'...
9
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4answers
12k views

/bin/ls not found, even though it exists!

This is a server running ubuntu 8.04 server, any idea what's going on? # ls -bash: /bin/ls: No such file or directory # /bin/ls -bash: /bin/ls: No such file or directory # stat /bin/ls File: `/bin/...
6
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3answers
22k views

L2TP client for Ubuntu

It's easy enough to get a pptp client going on a Ubuntu 9.04 (Jaunty) desktop: sudo apt-get install network-manager-pptp However, I can't seem to find documentation find a corresponding L2TP client ...
3
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3answers
2k views

Lost modified /etc/hosts file on Amazon EC2 every reboot instance?

I have setup an Ubuntu 8.10 server instance on Amazon EC2. I install ejabberd on server, but I face some problems on ejabberd node can't start because hostname on cloud changes each time we relaunch ...
20
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4answers
20k views

How do you swap the caps lock to control in xfce?

I used to have the caps lock and control swapped in GNOME, but when I upgraded to Ubuntu 9.04 I also changed my desktop environment to Xfce. I have the following line in my xorg.conf: Option ...
4
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5answers
973 views

How can I upgrade my Slicehost VPS Ubuntu 7.10 slice to 8.10?

I have an Ubuntu 7.10 slice on Slicehost running my main web server. I want to update to Ubuntu 8.10 because the repositories are gone for 7.10 and I want the latest security and application upgrades....
3
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1answer
3k views

Using ssh and corkscrew/proxychains behing a HTTP proxy

The Ubuntu box I am looking at is behind a proxy which supports CONNECT to 80/443 ports. I have set up an outside ssh server on port 443 and can connect to it with corkscrew / ssh without any problems ...
71
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9answers
90k views

What is the debian-sys-maint MySQL user (and more)?

I have been bitten several times by the 'debian-sys-maint' user that is installed by default on the mysql-server packages installed from the Ubuntu repositories. Generally what happens is I pull a ...
12
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5answers
12k views

How do I mount sshfs at boot?

Using a NAS box as 24/7 file server, I'd like to use sshfs to connect to it from an Ubuntu 9.04 desktop. Currently, I have this line in the desktop's fstab: sshfs#jldugger@storage:/mnt/HD_a2/ /mnt/...
6
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4answers
2k views

Installing Mozilla extension from command line

I have an extension for Thunderbird that I'd like to install automatically from a script - since I have to do it on all our workstations - is there a way to do that? Thanks! (Ubuntu 9.04)
3
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2answers
836 views

Normal disk read/write value for a ubuntu server

How would your determine a max value to set an alarm on the I/O activity of a ubuntu/linux server hosting upto 4 sites running apache, mysql and upto 4 tomcats? Or in general (if there is one such) ...
12
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9answers
32k views

How do I make sphinx restart when I reboot my Ubuntu server?

I built and installed sphinx search on my ubuntu 9.04 server. How do I make the sphinx daemon start automatically when I reboot?
18
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5answers
23k views

Recover from shutdown during Ubuntu distribution upgrade

I have a computer which was unexpectedly shut down during a distribution upgrade (Ubuntu 8.10 -> 9.04). It now won't finish booting - various X errors, then it goes to the login screen but won't ...