Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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1
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0answers
173 views

Find command incorrect results with days filter

I am trying to find all files modified before march 6 in a directory with thousands of files. I executed the following commands in the PWD where I want to find files. find -mtime +47 > ...
3
votes
2answers
724 views

Jingle CLI client / Jitsi replacement / VOIP

I am looking for a Jingle client for the command line. Currently, I use Jitsi, but my dreams of not needing the GUI for more than just web-browsing are not realized due to my reliance on this ...
3
votes
2answers
4k views

How do I update my Debian kernel?

Essentially I have an Ubuntu laptop and a board running Debian. I have installed the same kernel module and a utility for managing it on each, using aptitude. Unfortunately, the versions of the ...
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1answer
76 views

delete file with name --help.tgz [duplicate]

I have file with name --help.tgz. I want to delete but don't know how. I tried rm "--help.tgz", rm \-\-help.tgz and it did not work. How can I delete a file with such name?
3
votes
1answer
2k views

Does encrypting my whole Lubuntu slow running programs down?

During the installation of Lubuntu I chose to encrypt my whole HDD (not just the /home folder). Now it feels like my system has slowed down a lot. Especially the startup time of programs increased. ...
2
votes
1answer
110 views

How to attach elisp function source code in Emacs?

I could use M-x find-function to find the source code of some elisp functions if the function is not written in C code. But since I am using a Debian binary package of Emacs , some of the source ...
2
votes
1answer
2k views

Local port forwarding automatically configured on boot?

I have software which needs to run as a non-root user, but needs to listen on port 80 and 443. With iptables, this isn't all that difficult: sudo iptables -t nat -A PREROUTING -i eth0 -p tcp ...
0
votes
0answers
135 views

sybase and iconv

I inherited an old Ubuntu 6.10 server running php 5.1.6 which is using sybase to connect to MSSQL. A user submitted some text containing an en-dash and crashed one of my script. It turns out sybase ...
0
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0answers
221 views

uploading from Netbeans to remote CentOS server failed

I have a php web application on Netbeans on my Ubuntu , and server is CentOS on a virtualBox . Suddenly uploading to server stopped and I'm getting these errors for non-root user : Failed: file ...
1
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1answer
400 views

Xtightvnc: Ubuntu gnome-session-fallback: Fonts problem

I'm running a tightvnc server on Ubuntu 11.04 with a Gnome fallback session. Things seem to work fine except that when I try launching an application that needs xfonts-100dpi. All application menus ...
1
vote
1answer
88 views

Can I put 2 disks into a raid-0 array without reformating the FS?

We have an existing /dev/sda disk, we are adding an identical /dev/sdb I want to place these two disks in a raid-0 array. Can I do that without reformating /dev/sda?
6
votes
3answers
3k views

Get diff changes between original files installed with apt and current files

I installed php5-fpm package using apt; then I made some changes to the PHP configuration files. Now I would get the diffs between the original files versions (the ones of the package installed) and ...
1
vote
1answer
369 views

Run service after logging in on an X session

I am using Ubuntu 12.04. I want to automatically start a service after login with LightDM. This service is not meant to start on boot, but after X is initialized.
0
votes
1answer
634 views

Transfer 150GB of files from an old MacBook Pro with Ubuntu 13.04 Live DVD

My girlfriend's old MacBook Pro 2009 (5,4) stopped working. I have tried several times to reinstall OS X, but could not do so. There appears to be something really really wrong with the OS. Since she ...
2
votes
1answer
6k views

How to get past “Loading Initial Ramdisk” hang after going from x86_64 to i686 cpu

Long story short, I have a Ubuntu 12.04 64-Bit Server setup as a virtual machine with VirtualBox (4.1.18). I migrated the guest machine from an AMD chipset (a gaming machine) to an Intel Xeon (server ...
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votes
2answers
315 views

Copyed mysql files from previous system now error while connect, what to do?

Fist of all I have the files but the old system is gone. I took the folders in /var/lib/mysql/ and gave then the permissions the mysql folder that was in there had. user mysql group root only ...
1
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3answers
2k views

cannot mount .img file - “not a directory” error

I try to execute the following command on an ubuntu 12.04 system: sudo mount minix203.img -o loop -t minix /mnt/myminix/ in order to mount an .img file with minix partition; and get the following ...
1
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1answer
1k views

issues booting Ubuntu [Firmware Bug ] : ACPI _BQC method, cannot determine initial brightness

I am running into an issue booting Linux on a new machine. I started with Ubuntu Server edition. I completed the initial setup via an ISO image, however when the machine restarted and went to load ...
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0answers
709 views

After ubuntu install + software raid 0 config, we see: rejecting I/O to offline device

I'm trying to pin down what this error rejecting I/O to offline device is, as seen towards the end of this syslog. Ideas: Problem with RAID-0 configuration (we have 2 4TB disks in RAID-0 and I do ...
0
votes
2answers
70 views

ssh with identical machines

I have two identical beaglebones that I'm working with. They have the same hostname and originally had the same IP, though I changed one to see if that made a difference. They're going to be deployed ...
3
votes
3answers
2k views

Ubuntu 12.04 Gnome 3 “freezes” randomly - not a normal freeze though

Since upgrading to 12.04, I've randomly experienced this strange phenomenon where my mouse mostly doesn't work and keyboard mostly does. I have not been able to identify a cause for this. Sometimes it ...
0
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0answers
311 views

Remote desktop server as daemon

I'm using KRFB as remote desktop server in my Linux Mint KDE. It works fine as usual remote desktop server but I've to log-in then run it manually (or at start up) How can I run KRFB of any remoter ...
1
vote
2answers
736 views

Migrate an entire volume group LVM2 to RAID5

I have a Virtual Host server build with Ubuntu and Xen SO Ubuntu 12.04.1 LTS 64Bits xen-hypervisor-4.1 Disk Hitachi SAS 15K 147GB (x2) in a Volume group sda1 1GB /boot sda2 146GB lvm sdb1 ...
3
votes
1answer
2k views

How to check if hot-swap or hot-plug are activated on my Linux machine

I have Ubuntu 12.04.1 LTS 64-bit on a PowerEdge 2900. My current setup has two 300GB disks (no RAID), but I want migrate the system to three new 600GB disks. I'm trying to connect the new disks, make ...
2
votes
1answer
659 views

Low PPPoE speed in Linux (Ubuntu)

We have 2 PC with Ubuntu 12.04 and connect with 1000M/bit cable. We then start iperf on both PCs and get 900m/bit speed using the iftop tool. However, when we setup PPPoE server on the 1st PC, and ...
3
votes
3answers
407 views

Mystery of a small 1K hard disk partition, and is it safe or malware on Ubuntu 12.04.02LTS Amd64 generic

Look at my bizarre sda4 partition. It is just 1K in size! Be mindful that this is not cluster size, this is partition size. I did not knowingly install this sda4 super small partition. This is not ...
6
votes
1answer
2k views

How can I force a Ubuntu kernel to fail mounting / and drop into the initramfs rescue shell?

I am trying to customize the initramfs rescue environment and would like to force the kernel to fail mounting / and drop into the (initramfs) rescue shell, as opposed to single user mode. How can I ...
1
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0answers
573 views

System packages not detected by the Oracle installer

I am installing Oracle 11g 32bit on Ubuntu Linux and the setup shows the following error message on Prerequisite Checks screen: This is a prerequisite condition to test whether the package ...
2
votes
2answers
487 views

Strange crontab-script interaction (bash)

I'm running Ubuntu 12.04 and bash. I've written a pair of shell scripts that allow me to set an alarm which, after ringing, unsets itself. The first, alarmset, allows me to enter a time and modifies ...
0
votes
1answer
2k views

Enable wifi monitor mode on Samsung Chromebook

I want to buy the Samsung Chromebook and use it with Ubuntu (12.10). I also want to play around with airmon-ng and thus want to use the wifi card in monitor mode. I didn't find any information if ...
-4
votes
3answers
3k views

ubuntu: sudo find / -type d -exec chmod -Rf a-wr {} \; the user can't login [closed]

I used ubuntu 12.04 (32bit).Today,I mistakes a command is executed: WARNING DO NOT EXECUTE THIS COMMAND: sudo find / -type d -exec chmod -Rf a-wr {} \; I can't login system;The System is only one ...
1
vote
3answers
925 views

How can I get an Ubuntu 12.04 box to do an aptitude update; aptitude upgrade?

I did an aptitude apt-get and then aptitude upgrade, on an Ubuntu 12.04 box, and got: root@li393-189:~# aptitude upgrade Resolving dependencies... The following packages will be ...
3
votes
1answer
798 views

Weird issue with unmet dependencies when cloning package states from earlier installation on same machine [closed]

I've been doing the usual routine of saving the package selections and also marking the packages as auto or manual as outlined in the question and answer here: Restoring all data from backup of dpkg ...
2
votes
1answer
286 views

Creating a terminal application from a shell script

I have a shell script. I want to convert the shell script to an application for Ubuntu which can be installed using (sudo apt-get install) command and after installing, the application can run from ...
5
votes
2answers
13k views

Ubuntu: How do the md devices get assembled at bootup?

How do the md devices get assembled at bootup in Ubuntu? Is /etc/mdadm/mdadm.conf truly the relevant factor here? My mdadm.conf is sound and I checked that while I was in the rescue CD environment. ...
0
votes
1answer
366 views

Can I configure software RAID on an existing server without losing the existing partition?

I've got an existing server with 1 disk and Ubuntu 12.10 installed and running. I want to add a 2nd disk and configure RAID 0 across the two disks using Ubuntu's software RAID. Can I do this ...
6
votes
2answers
20k views

eth0 not being configured automatically

When I start an ubuntu 12.10 instance, eth0 is NOT getting configured. davidparks21@MySqlDB:~$ cat /run/network/ifstate lo=lo When I manually edit ifstate and add eth0=eth0 and service restart ...
0
votes
1answer
1k views

Connecting from OpenVPN Server to MySQL Server

I have an OpenVPN server installed on a server. What I'm trying to do connect from the OpenVPN server using the mysql client to the MySQL server than is connected to the OpenVPN server using a ...
2
votes
0answers
211 views

Use dedicated per-user log file for cron and?

On Ubuntu 12.04 how can I configure cron to log to a particular file when it runs jobs as a particular user? I am interested in redirecting both the messages that go into auth.log and those going into ...
2
votes
1answer
80 views

Sharing /boot between two Ubuntu 12.04 Server installations?

This question may seem trivial at first sight, but it has certain implications and I'm wondering what is the recommended path to take here. Assume the following scenario: a server system. The default ...
4
votes
4answers
38k views

Ubuntu: How to configure DNS servers in /etc/network/interfaces correctly for resolvconf?

All examples I have seen of configurations (/etc/network/interfaces) showed that you configure an interface and then underneath that gave the dns-* lines such as: auto eth0 iface eth0 inet static ...
3
votes
3answers
3k views

Using sudo in openSUSE without actually changing to root user (i.e., like in Ubuntu)

I recently started trying openSUSE 12.3 after having used Ubuntu for a few years. I'm still getting used to openSUSE's treatment of su (and sudo) vs. Ubuntu's use of sudo. I've been reading the ...
2
votes
2answers
262 views

Install the same 64-bit packages as a 32-bit Xubuntu installation

I have been using a virtual machine (Xubuntu 12.10, with VMWare on a windows host) for all my programming work, which I am trying to transition from a 32-bit install to a 64-bit install. I am hoping ...
0
votes
1answer
59 views

How to resolve midgard2 already loaded?

When running PHP on my Ubuntu 13.04 machine I get the following warning: PHP Warning: Module 'midgard2' already loaded in Unknown on line 0 This tells me exactly nothing. How could I resolve this ...
0
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0answers
928 views

make: i686-linux-gcc: Command not found

I am using Ubuntu-11.10 amd64 and trying to cross-compile a linux-2.6.38.8 kernel for a 32-bit target.I tried make CROSS_COMPILE=i686-linux- ARCH=i386 But I got error make: i686-linux-gcc: ...
0
votes
2answers
152 views

Transfering files using ssh

I've found the following command pretty convenient for transferring files to servers I have ssh access to: cat myfile.txt | ssh my.host.edu "cat > myfile.txt" Is there a similarly convenient ...
3
votes
1answer
102 views

Deleted user but files keep his group?

I removed a user from my computer. Now there's a lot of files that I need to modify that are from the deleted user group. How can I change ALL file group and owner from that deleted user without ...
0
votes
1answer
454 views

Ubuntu software-center problem in Linux Mint

I am using Linux Mint KDE Nadia 14 64bit version. When I run software-center, it dosen't work, following errors appear: huseyin@huseyin-GA-MA770-UD3 ~ $ software-center 2013-03-31 23:00:24,688 - ...
0
votes
1answer
326 views

emacs fonts from ssh not as good as locally installed

How can I have the same emacs fonts and antialiasing configuration that I have in my local Ubuntu 12.04 also working when I open an emacs session via ssh to a CentOS 5 system? EDIT: I didn't get an ...
3
votes
1answer
15k views

Cannot reach outside network or IP after upgrading to Ubuntu 12.04

I am running Ubuntu 12.04 on my server but since the upgrade from 10.04 I can no longer reach any outside sources of the server. I can SSH into the box, but from inside here I can not reach anything. ...