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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.

3
votes
2answers
3k views

Is it possible to set linux user's priority?

I am on Ubuntu system, and I want to create "limited" user. I want all processes started by this user to have lower than normal priority. It would be great if I/O priority could be decreased as well (...
2
votes
4answers
241 views

Ubuntu server multiuser account

i want to create a user account other than the root so that root as well as that user can upload delete files in the ubuntu system (e.g suppose that i have some php files in var/www so that root and ...
6
votes
6answers
409 views

How to keep programs from source up to date?

I'm designing a new server setup for hosting multiple websites. (Shared hosting for my clients over at SliceHost.) I've recently moved away from the traditional LAMP setup and chosen Ubuntu, Nginx, ...
0
votes
1answer
1k views

Port Forwarding Custom ports using IPTables

I have a server that is setup with a squid proxy on ubuntu 9 and handles users browsing the net via squid, this is working perfectly for me. Now a user on my network wants to use a application to ...
2
votes
2answers
1k views

Running a program with root privilages in Ubuntu [closed]

How do I run a GUI program with root privileges from Ubuntu's Alt+F2 Run dialog?
1
vote
2answers
565 views

Grub hangs after x-2 seconds

We have a kiosk like terminal, with a customized Ubuntu installation (customized only in that way, that only a few packages are installed, and the installation process is unattended). The thing is, on ...
0
votes
3answers
202 views

Ubuntu Mail Server unreachable

I have been trying to setup a mail server in ubuntu using this tutorial: http://flurdy.com/docs/postfix/index.html I have completed the basic configurations (I havent reached the extend part yet) So,...
5
votes
3answers
544 views

How do you know if your Apache Install is Secure?

I'm a hobbyist IT guy and I am running my own Ubuntu server to serve up my website. I was wondering if there are any good ways to find out how secure my setup is, as I'd really prefer not to have my ...
0
votes
6answers
390 views

Is it sane to run a web-app framework from SVN?

I'm looking at Django[http://www.djangoproject.com/], and the entire system appears to favor deployment via SVN. Documentation warns you when you're not reading from SVN trunk; and people in #django ...
1
vote
8answers
852 views

What is the best way to upgrade many linux desktop workstations at once?

At work, we have several Ubuntu Linux workstations. I'm looking for a good/reliable/fast way to install a set of packages on all boxes at once. What I'm thinking of doing right now is: Install Ubuntu ...
0
votes
1answer
3k views

Force the unloading of a kernel module when the USB devices is unplugged?

I'm using a MultiTech GPRS modem on Ubuntu 8.0.4 (2.6.24-24 kernel with the MultiTech patches to the ti_usb_3410_5052 module). The device works great. However if I disconnect it and then reconnect ...
0
votes
3answers
2k views

Ubuntu file permissions

I'm having some trouble with file permissions on an Ubuntu server. I'm using WinSCP to move files to the server. The server will work fine, and then after a while it appears that I no longer have ...
0
votes
3answers
179 views

Setting up a test server

I wanted to setup a test server on my home network so I can develop my website locally and just update my website when I have the kinks worked out. I have begun to learn php this summer (I am a ...
1
vote
4answers
164 views

Ubuntu Machine Reboots instead of Switching to a Virtual Console

I just discovered this today and haven't been able to find any info elsewhere. On one of our labs running Ubuntu 8.04, I tried to switch to a virtual console (Ctrl-Alt-F[1-6]). Instead of switching ...
1
vote
3answers
3k views

Throttling network speed when copying files to SMB mounted NAS drive

I have a fairly modest Ubuntu box (Jaunty) running as a small webserver. Each night i have a cron job which tar/gzip's important directories and does a simple cp to copy them over to a backup NAS ...
6
votes
5answers
15k views

Use specific interface for outbound connections (Ubuntu 9.04)

I have two ethernet interfaces in my computer, which is running Ubuntu 9.04. Both interfaces sport static IPs, but use separate gateways. My /etc/network/interfaces file looks something like this: ...
1
vote
8answers
2k views

Best Server For Java [closed]

I'm starting in Java Web development, then i want to ask, what is the best server, like Apache Tomcat, Resin and others. Remember that i use Linux Ubuntu. Thanks!
-1
votes
2answers
205 views

Ethernet port sleeping on PS3 running linux

My lab has a PS3 running Ubuntu Linux 9.04 Server Edition. After a period of a few hours with no use, the Ethernet connection (eth0) seems to go to sleep, causing the connection to be lost. Pinging or ...
2
votes
2answers
2k views

OpenLDAP Invalid Credentials

I'm setting up an OpenLDAP server to authenticate users in a domain on Ubuntu 9.04. What's interesting/strange is that in the newest version of openldap for Ubuntu, the default is not to use the /etc/...
1
vote
5answers
439 views

Partitioning a new system

I am building a new system. While my current focus is on what to buy and how to wire it, I have been thinking ahead about how to partition the disks. I know that on a dual boot (win7/ubuntu) that it ...
2
votes
8answers
7k views

Ubuntu, Fedora, openSUSE comparison

It would be very usefull as a starting point if I can get a comparison of the most used Linux distributions today. What are the differences between them and what are they traditionally good at?
1
vote
2answers
1k views

tap-win32 networking in colinux / portable_ubuntu

I'm trying to set up two network adapters on portable ubuntu remix, which is based on colinux; one slirp for outgoing access, and one tap for fast communication with the host. The slirp host works ...
6
votes
3answers
11k views

how can I find the default gateway of an ubuntu box

how can I find the default gateway of an ubuntu box
2
votes
4answers
7k views

ubuntu: scan hard disk for physical problems

How do I scan my hard disk for physical problems in Ubuntu?
1
vote
1answer
937 views

Unauthorised to connect to MYSQL server running in VM

I've got an Ubuntu LAMP install running in a VMWare virtual machine. I'm able to connect to the mysql server from inside the VM from the command line, but I'm not able to connect to it from inside the ...
0
votes
2answers
2k views

Installing Wordpress Plugins/Pear Problem on Ubuntu

When I install wordpress plugins, I often get the error Warning: include_once() [function.include]: Failed opening '/usr/share/wordpress/wp-content/plugins/twitter-for-wordpress/' for ...
5
votes
6answers
542 views

Display recent login failures on login

I have an Ubuntu Linux server that is web facing. Because of this I get a fair number of brute force SSH attempts (who doesn't). I'd like to display the last N failed login attempts at my login ...
7
votes
7answers
3k views

Why is the time messed up on my Ubuntu Server VPS?

A month back loads of services on my VPS stopped working. After messing about for an hour or so i worked out that the time had frozen. I gather it was some sort of virtualization bug and a reboot soon ...
8
votes
2answers
33k views

What is bridge_fd?

I'm creating bridge network on Ubuntu 9.04(server) I set up following configuration file /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet manual auto br0 iface br0 ...
0
votes
6answers
1k views

Ubuntu + Opera (ipv6 issue)

Did anyone manage to get Opera working on Ubuntu 9.04? It's trying to resole domain names in IPv6 way, and somehow gets a zero-reply from the gateway (ip-address of much zeroes), and fails to connect. ...
0
votes
5answers
509 views

What is the latest version of Ubuntu supported by Parallels 4?

I can't find the definitive answer. I saw somewhere ubuntu9 is not supported, but I can't find the link EDIT: @LukeR. Actually I performed the steps described the link you posted which are ...
0
votes
1answer
669 views

Ubuntu 9.04 server install hangs as DomU with HVM

I am currently trying to install Ubuntu 9.04 server as DomU using hardware virtualization. Whenever I boot up the domain, the splash screen works well, but as soon as I select "Install Ubuntu server", ...
0
votes
1answer
2k views

Screen Resolution Offset and Login Box cut off in Ubuntu 9.04 in VMWare 6.52

After rebooting my fairly freshly installed Ubuntu Desktop 9.04 vmware image today, the desktop comes up with the screen offset (approximately) 50 pixels to the left. So the left-most 50 pixels on the ...
0
votes
2answers
3k views

Can't connect to port 80 in Ubuntu Desktop or Server 9.04 in VMWare Workstation 6.52

After a brand-new install of Ubuntu 9.04 Desktop or Server into a VMWare Workstation 6.52 Virtual Machine, I am unable to connect to port 80 on any remote site (google.com, etc). I can ping remote ...
0
votes
1answer
134 views

Detecting the same external hdd

I mounted an external ntfs drive on my ubuntu server. Since it's an external hdd at night I unplugged it and when I plugged it back in ubuntu didn't detect the already mounted hdd :( This is what I ...
4
votes
5answers
4k views

Easiest disk wipe (no cd drive)

Problem: Asus EE (no CD drive) in disuse with forgotten password and personal information Question: How can I remove the content for sure?
0
votes
3answers
8k views

Linux: “Found duplicate PV XXXXYYYYY: user /dev/sdb1 not /dev/sda1”

I'm trying to resize my virtual hard disk, so I've cloned it, and right now I have two disks in my virtual machine. I'm trying now to boot off the old virtual disk and then resize the new hard disk's ...
10
votes
8answers
22k views

Ubuntu: Resize the root LVM(2?) partition

I have an Ubuntu virtual machine running in VirtualBox 2.2.4, and I created it on an 8gb virtual disk which is too small. So, I am trying to increase the size of the disk. So far, I have done this: ...
1
vote
6answers
1k views

How to ensure mail delivery for our app?

We have a Rails app used for support & help tickets. It sends customers a confirmation email when they submit a request. It also sends an email when we reply to their request. It does not ...
2
votes
5answers
341 views

Changing email smtp providers - what should I bear in mind?

I currently have a web app set up to send email through webfaction, but I'm experiencing intermittent connection failures along the lines of: Errno::ECONNREFUSED: Connection refused - connect(2) I'd ...
4
votes
4answers
14k views

How can I set a search domain (and other resolv.conf parameters) in Ubuntu?

I like Ubuntu's NetworkManager -- it does a great job keeping track of all my WiFi parameters and passwords. However, when I actually plug in an Ethernet cable, the frustration begins. When hooked up ...
11
votes
2answers
15k views

What are the steps to make the php mail() function work on ubuntu-server?

I want to enable the simple php mail() function on an Ubuntu server. This will only be used for sending administration stuff and logs. This is all the mail functionality that I want on this machine. ...
0
votes
3answers
801 views

Web front-end to administering users/groups with smbldap

I'm using smbldap tools on an Ubuntu Hardy infrastructure, and I'd like to be able to provide a web front-end for non-technical users to manipulate users and group membership. Does such a beast exist?...
2
votes
7answers
993 views

Remote admin of ubuntu linux appliance

I am thinking about creating a linux appliance (probably using xubuntu booting from a USB drive, FYI) and I'm curious about how best to perform remote updates and administration. The use case I want ...
4
votes
5answers
7k views

DHCP: Logging host declarations in log file

I am currently running ISC-DHCP server v3 on Ubuntu 8.04. What I am trying to do is log Who got what IP address when. Currently in the DHCP log file you can see the following: DHCPDISCOVER from ...
1
vote
4answers
349 views

Troubleshooting VirtualBox3: It keeps hanging

My host OS is Windows Vista x64, with 8gb ram, quad core cpu. I'm running Virtual Box 3.0, with a virtual machine running Ubuntu 9.04 x64. Everyone once in a while my vm seems to freeze. VirtualBox ...
1
vote
1answer
2k views

ubuntu apt-get upgrade - how to click Ok in shell?

I was upgrading the openssh-server package using apt-get upgrade on my Ubuntu 7.04 server, in order to fix the debian PRNG security bug. I was doing so over an SSH connection (putty on windows) which ...
6
votes
3answers
4k views

Guest optimization tips for Ubuntu on VirtualBox [closed]

I was wondering if anyone could shed light into "Guest optimization tips for Ubuntu (guest)" I came across Virtual Machine guest optimization tips, for Windows. (serverfault.com/questions/4647/ubuntu-...
1
vote
3answers
5k views

virtualbox virtual hard drive on external hdd (ubuntu guest on Vista host)

Guest VM : Ubuntu 9.04 Host : Vista Phys RAM : 4GB Guest RAM : 1.3 GB processor : core duo disk for guest : 18GB I am new to virtual machines. Although, VirtualBox has been very user friendly, I have ...
11
votes
9answers
7k views

Equivalent of SysInternals FileMon for Linux?

I'm attempting to debug an application on Ubuntu - I need to listen to file open attempts (even for files that don't exist). Process Monitor (formerly known as FileMon) is available on Windows - what'...