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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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16
votes
5answers
38k views

Setting up RADIUS + LDAP for WPA2 on Ubuntu

I'm setting up a wireless network for ~150 users. In short, I'm looking for a guide to set RADIUS server to authenticate WPA2 against a LDAP. On Ubuntu. I got a working LDAP, but as it is not in ...
2
votes
1answer
5k views

clocksource tsc unstable

Ok, now I have real server fault ;) After some time from booting (about one minute) my server hangs. All I can do is hard reset. Then after restart in /var/log/kern.log I can find: Jul 29 22:38:57 ...
2
votes
3answers
2k views

VI Editor on Ubuntu using VIM Short Cuts?

I installed Ubuntu and I tried to use the terminal's vi editor. The editor is using a different set of short cut keys that I'm not familiar with. Someone told me it's probably using the VIM short ...
0
votes
4answers
2k views

Ubuntu webserver - performance on 512Mb ram?

I'm looking at deploying a new commercial web service I've developed, but I'm unsure as to the market potential as yet so I don't wish to purchase a heavyweight server immediately. An ISP who i've ...
4
votes
4answers
2k views

TAB completon and mc problems

DISTRIB_ID=Ubuntu DISTRIB_RELEASE=8.10 DISTRIB_CODENAME=intrepid DISTRIB_DESCRIPTION="Ubuntu 8.10" This is the server version. When I ssh into it, I encounter the following problems: Problem 1 tab ...
2
votes
1answer
404 views

MySQL user does not show up on User Admisinistration Tool

I have installed mysql-server. When I run User Administration Tool it only shows my user name (myname) and root. When I want to add mysql user it says that user mysql already exists but it doesn't ...
8
votes
3answers
6k views

How can I install a headless JDK on an Ubuntu Jaunty server?

I recently set up a build server that requires a JDK to run (for example, to compile the Java sources). The OpenJDK package in Ubuntu pulls in the OpenJDK JRE as a dependency which, in turn, depends ...
1
vote
2answers
4k views

apache configuration for drupal multisite

I have spent over a day trying to get a multisite install to work and I think most of it is in place but I still cannot see the install.php when I visit www.mywebsite.co.uk/install.php? I have a ...
11
votes
4answers
900 views

Which logs to track regularly

I run my own server at home for my personal website running Ubuntu Server with Apache, Bind9 and Django. What logs would you suggest are best to keep track of on a regular basis? (rather than on a ...
35
votes
2answers
16k views

Can someone clarify Ubuntu (Debian) dist-upgrade for me?

I've got an Ubuntu 8.04 LTS server. There are several packages which are "kept back" ("the following updates have been kept back") when I do an apt-get upgrade. It's my understanding that I can do ...
1
vote
1answer
909 views

Maximum number of Linux VPN Client connections?

Just quick question, is it possible to have more than 1 VPN client connection at the same time? If it is yes, is there any references to do this. Currently, I'm using Ubuntu as my Operating System.
24
votes
20answers
107k views

Shell Command for Getting IP Address?

Is there a bash command to find the IP address for an Ubuntu box? I need to find the IP address so I can ssh into the machine later.
2
votes
3answers
2k views

convenient & easy way backing up mySQL & SVN on Ubuntu machine

I work as a developer in a small company and am far from being a linux-pro or admin. Nontheless I have set up a Ubuntu Server for documentation purposes (LAMP with wiki) and versioning (SVN). Our ...
2
votes
5answers
2k views

Virtual PC - Display Issue with Ubuntu Server

I just did a clean install of Ubuntu Server 9.04 in Virtual PC on the Windows 7 RC, and it seems to be having a bit of an issue with the virtual machine's display adapter. I've tried setting a VGA ...
8
votes
1answer
471 views

Starting openLDAP

I work as a sysadmin in a company and i am required to Deploy openLDAP. I have read a lot of materials but i really can't figure out where to start. First about the company: Services: Email: every ...
3
votes
3answers
6k views

How to boot Linux from a 16gb USB flash drive

I'm trying to install Linux on a single partition of a USB flash drive that's larger than 4gb. The first place I went to is http://pendrivelinux.com. I can follow these instructions for installing ...
1
vote
1answer
2k views

How to set advaced printing options when using “lpr” to print?

On ubuntu Hardy 8.04, some PDF files have printing issues - they take forever to print, all this while evince (the PDF reader) uses 100% CPU. After that, the actual print comes out very blurry and ...
0
votes
2answers
187 views

SVN browse and adminstration?

I'm looking for a locally installable Apache webapp that will act as a frontend to local SVN repos for browsing and administration. Specifically I need: Access controls based on the SVN repo's authz, ...
1
vote
4answers
2k views

Good apache book for ubuntu-server newbie

I am getting myself into linux administration and was wondering if anyone had any good suggestions for apache related books. Administration, configuration, mod_rewrite etc I searched amazon for ...
2
votes
5answers
1k views

Free centralized system monitoring for Ubuntu [closed]

Canonical's Landscape service seems really nice. Is there any free alternatives? If not directly, what would you recommend to administer number of Ubuntu (and Debian) servers? Main use cases would be ...
5
votes
4answers
14k views

How do I automatically restart a process on server reboot/process exit?

On my Ubuntu server I use God to monitor some Ruby processes/scripts, including a Queue system. God automatically checks when one of my processes exists and restarts it. It also keeps track of memory ...
4
votes
4answers
2k views

Service to harden an Ubuntu Server [closed]

I have a webserver which is hosted on mosso- Ubuntu 8.04. It does not have Cpanel installed. I wanted know if anyone can recommend any good services to harden my server from hacking etc. I tried ...
1
vote
2answers
10k views

Changing file permission in Linux so that only root can see/use it, open dialog box asking for root password when you dont have enough file permission

How to change file permission in Linux so that only root user can access/open the file/dir in Linux. EDIT Doing chmod 600 filename + sudo chown root:root filename changes it into only root ...
0
votes
1answer
311 views

Launching a process on startup in ubuntu fails to start other processes

On Ubuntu Server I've written a c++ program which launches another process which is in python. The c++ process runs fine on startup but the python process never launches. It gets created and when I ...
2
votes
3answers
6k views

Tips to backup ubuntu server

I have a Ubuntu server hosting a PHP5 / MySQL webapp. I also have another server (offsite) with a directory just for backups of my webapp server. Currently, I have a simple cron job which performs ...
1
vote
3answers
4k views

VMWare Virtual Machine mysql / apache services not working the same after a VM copy

I have Ubuntu server running in a VMWare 6.5.2 virtual machine. I made a straight file copy of the entire VM folder structure to my laptop from my desktop and then booted it up. After the VM guest OS ...
1
vote
4answers
5k views

Unable to access svn on ubuntu server via tortoise on windows (SUCCESS!!!)

EDIT: I finally got it working by specifying the folder. In the virtual host file in the sites-enabled I changed: SVNParentPath /home/ant To SVNPath /home/ant/svn and it finally worked!!!!!!!!!!!!...
3
votes
8answers
654 views

Is XP Home Edition good enough?

We (a small company) have just bought a couple of HP Minis for mail/web/office tools. The HP minis were preinstalled with XP Home Edition, and we are considering XP Professional or Vista Business. Do ...
2
votes
2answers
4k views

Installing Hyper-V Integration Components on Linux

Some big news this week was Microsoft released the Hyper-V integration components for Linux source code under the GPL v2. I just installed Ubuntu Server 9.04 in a Hyper-V VM with a Legacy Network ...
1
vote
4answers
396 views

Download JDK onto a remote server

I want to get the latest JDK onto a server in a remote location. Downloading the JDK from Sun's website requires jumping through all kinds of hoops until you actually get the file. I'm not sure ...
4
votes
2answers
25k views

How do I get mdadm to auto assemble my raid array?

After upgrading to Ubuntu 9.04, my raid 5 array is no longer being assembled correctly. Right now, from boot, it will start a raid array using ata-MAXTOR_STM3500630AS_9QG03T0L-part1, at /dev/md0, but ...
4
votes
3answers
3k views

Disable connection tracking with UFW for port 80

During load testing my server is dropping packets due to "connection tracking" way before it's running out of resources. I'm using Ubuntu Jaunty with ufw. In my syslog I get: ip_conntrack: table full,...
0
votes
4answers
636 views

Ubuntu 7.04 VM Runs Out of Memory

I keep a Ubuntu 7.04 VM running at Linode.com to host a few web sites, e-mail lists, etc. It was working flawlessly for a long time. I don't patch it or really pay attention to it. Recently (past ...
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
244 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
411 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
587 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
204 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
545 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
392 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
853 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
180 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!