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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0
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3answers
22 views

Trying to SSH to local VM Ubuntu with putty

I have found similar questions in my searches here, but most of the answers are way above me at the moment, so here goes. I have set up a VM of Ubuntu server, have installed OpenSSH, and am now ...
0
votes
2answers
22 views

Are there distros with ptrace_scope set to zero by default?

I wanted to use ptrace on a recent version of Ubuntu to inspect the memory of any other process running under the same OS user. However, I quickly stumbled upon Operation not permitted After a ...
3
votes
0answers
15 views

Adding a label to start-stop-daemon service in process list

I have a bunch of redis service instances, and I would like to add a label to them in the output of the ps command. Currently I see: $ ps aux | grep redis root <snipped> ...
3
votes
3answers
529 views

Have to reinstall NVidia driver on every reboot

I am having an issue with my Nvidia driver after the latest update. Now, Every time I reboot the machine there is some conflict between two different version and I have to reinstall the driver before ...
5
votes
1answer
540 views

Noninteractive script running over ssh is interrupted as apt-get finishes

When I run the following non interactive script on Ubuntu Server 13.04 it's interrupted when lxc-docker package finishes installation. Script : ssh -o StrictHostKeychecking=no -t -t -i $CERT ...
0
votes
1answer
47 views

Consistent network interface name ubuntu using pci slot

One can set consistent interface naming via mac address by modifying /etc/udev/rules.d/70-persistent-net.rules. Can you establish consistent interface naming by PCI slot number? (I tried but failed) ...
0
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0answers
14 views

Ubuntu Trusty Preseed Error

I have a preseed file that installs Trusty but the install is giving me this error: Jul 22 17:52:42 in-target: Setting up sysv-rc (2.88dsf-41+deb7u1) ... Jul 22 17:52:42 in-target: info: Reordering ...
1
vote
1answer
31 views

Why doesn't my supervisor daemon start on reboot?

I have added a crontab entry via crontab -e for the current user: @reboot supervisord -c /etc/supervisord.conf Yet after the reboot, supervisord demon is not running. I need to run the command ...
-2
votes
0answers
25 views

how can I solve the problem? [on hold]

my system will connected to the network but my kvm is not updatting got the some problem. start the my kvm machine i give the apt-get update command the machine is not updating ofter i doing for ...
1
vote
1answer
14 views

Naming PPP interfaces

I have two PPP peers, dsl-line1 and dsl-line2 which are configured with pppd on Ubuntu (Server) Linux. They are brought up by the /etc/network/interfaces file with the auto thingy however each PPP ...
0
votes
1answer
26 views

Command set in /etc/rc.local on Ubuntu 13.04 is ignored

I am trying to set my Ubuntu 13.04 machine in a way that, upon reboot, an instruction is executed and a program is launched with specific parameters, REGARDLESS of whether a user is logged on to the ...
6
votes
3answers
10k views

How to get back sudo on Ubuntu?

I have done this: sudo chown -R myname /usr/ and now I can't use the sudo command because of this error: sudo: must be setuid root And as I read this means that the owner of this file ...
20
votes
9answers
6k views

List explicitly installed packages

In Gentoo there is the file /var/lib/portage/world that contains packages that I explicitly installed. By explicit I mean, packages that I choose, not including anything installed by default, or ...
2
votes
1answer
305 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 ...
1
vote
2answers
701 views

Registering Ubuntu Client With Spacewalk

Right now I'm just testing the process for some desktop machines I'll be managing so I have a fresh install of Ubuntu 12.04.04 LTS. We have a non-satellite spacewalk server that I'd like to have ...
4
votes
2answers
46 views

sed regex issue

I'm trying to replace a string in a file: $RELEASE = '1234'; The whitespace between RELEASE and the = symbol could be either spaces OR tabs. The quotes around the version number could be either ...
2
votes
1answer
33 views

What to do when you removed execute permission from some system binaries or libraries?

It seems I removed executability from system binaries, resulting in loads of Permission denied. Do I have to force reboot into host's rescue mode or is there something else I can do while I'm still ...
1
vote
0answers
32 views

Can't install Ubuntu because pc keeps shutting down

I can't install Ubuntu because during the "copying files" my PC powers off. I've downloaded Ubuntu 14.04 with WUBI on my Windows 8.1 32-bit PC. I made a new partition with 15.9GB, (I don't know if I ...
1
vote
2answers
48 views

No eth0 after HD transplant

After moving the hard drive of a makeshift server to another compatible hardware (64-bit, same processor "generation", laptop->desktop) configuration, networking fails to initiate. Specifically: ...
1
vote
2answers
4k views

Unable to set hostname for use within network

I am having a lot of trouble setting up a hostname for my home server for use within my home network. My home server is running Ubuntu 12.04 LTS and all packages are up to date. Management of this ...
3
votes
0answers
66 views

windows 7 reinstallation killed grub

I have been running dual boot windows7/ubuntu. Recently I reinstalled windows 7, and I no longer have the option to boot to ubuntu. I would like to be able to get my dual boot working again or at ...
2
votes
2answers
1k views

“sudo service vsftpd” returns “Unknown job: vsftpd”

I installed vsftpd on ubuntu 14.04 and when I want to stop or restart vsftpd service this message showed and nothing happened in service status! root@ali-lap:/home/ali# service vsftpd restart stop: ...
3
votes
1answer
375 views

Mounting USB camera on Ubuntu

I am quite new at Linux and I have to install this SwissRanger camera on Ubuntu. I am trying to follow their USB mounting instructions and I got stuck. From the instructions: Modify the usbdevfs ...
-1
votes
2answers
91 views

Problem Windows 8.1 Ubuntu 14.04 dual boot

I installed Ubuntu 14.04 on a computer that has Windows 8.1 preinstalled, following the next link http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ Now I can not dual boot. ...
3
votes
1answer
395 views

“Live” Processor hang under Ubuntu 11.10, how to diagnose/fix?

We recently upgraded to Ubuntu 11.10 on a virtual server. Since the upgrade, the server will periodically "hang" with processor use at zero (according to monitoring). Monit is still running and ...
1
vote
1answer
254 views

How do I change file/directory permission of a nfs mounted directory, so I access files as user?

On a Ubuntu computer I mounted a directory from another computer using the following line in the fstab: 12.34.56.78:/space/Images /mnt/space/images nfs rsize=16384,wsize=16384,rw,auto,nolock 0 0 ...
3
votes
1answer
28 views

Openbox pipe-menu script error

This is the weirdest thing. The script works when run from the shell with no problems. When I run it as an Openbox pipe-menu I get the error "Invalid output from pipe-menu". After playing around with ...
3
votes
1answer
359 views

Having trouble exporting FUSE via NFS

I've got a self-written FUSE file system I mount on my NFS server on mountpoint /export/example/mount. Then I export a parent directory of the FUSE via NFS. The /etc/exports contains the options ...
-2
votes
0answers
21 views

Ubuntu and Windows dual boot problem [duplicate]

I installed Ubuntu 14.04 on a computer that has Windows 8.1 preinstalled, following the next link http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ This are the ...
0
votes
0answers
8 views

Install wifi modem buffalo airstation g54

I borrowed a wifi modem from a friend - buffalo airstation g54 . I don't know anything about the installation, I just would like to use the wifi. I don't have an installation cd. I have found some ...
0
votes
0answers
24 views

How to install Ubuntu on Virtual memory to avoid win 7 to slow down during boot [on hold]

After going through this post How to install Ubuntu in a netbook, but keeping the original win7 installation in storage I want to install the Operating System on Virtual storage and I don't know how ...
-1
votes
0answers
22 views

TLP tool improve Linux laptop battery [on hold]

I want to know if ThinkWiki TLP (a tool to improve laptop battery life on Linux systems) has some disadvanges or it is all advantages. Could it happen that the computer breaks earlier, or something ...
1
vote
2answers
38 views

Windows and Ubuntu dual boot

I have installed Ubuntu 14.04 on a partition. Now I have Ubuntu and Windows 8.1 for dual boot. I followed this tutorial to install Ubuntu. Now when I switch on the computer I have the following ...
1
vote
1answer
17 views

How to provision software across multiple laptops [duplicate]

I've got a bunch of laptops for my classroom and I'm using Ubuntu. I want to be able to add/update/remove software across them as easily as possible and I'm not sure how to go about it. I was ...
3
votes
2answers
132 views

Why can I access to my C: or D: drives from Ubuntu?

Why can I access to my C: or D: drives from Ubuntu when I install Ubuntu 14.04. Why does this happen?
1
vote
3answers
671 views

How do I find out why cron is not running my jobs?

I'm using Ubuntu 14.04, and the cron daemon is running: # ps ax | grep cron 822 ? Ss 0:00 cron but it is not executing any jobs. I was previously getting entries in /var/log/syslog such ...
2
votes
1answer
46 views

Does pgrep output ever include the parameters supplied to the process?

The snippet below (from an existing script) is used to check the xvfb processes and whether they are listening on a specific port: my_list=`pgrep -u $CurrentUserID -fl Xvfb | grep :${XVFBPORT}` ...
0
votes
0answers
11 views

Ubuntu Firewall Configuration Just for Browsing and E-Mailing [duplicate]

Is it possible to configure UFW just for browsing using firefox, e-mailing using thunderbird and updating the system? How should I proceed? I would like to use the UFW directly without any GUI.
1
vote
0answers
20 views

Gnome programs (eog/gnome-terminal) have a slow start and produce a DBus.Error.NoReply Warning

For some time eog and gnome-terminal are starting very slow on my (X)Ubuntu 13.10. I think other gnome tools are affected, too, but I don't use any else. Now I get a ...
0
votes
0answers
11 views

nmcli freedesktop DBus warnings and errors

As soon as I do nmcli con up id <ESSID>, I experience some warnings/errors: ** (process:4841): WARNING **: async_got_type: could not read properties for ...
1
vote
1answer
22 views

Install Ubuntu partitions

I am a completely newbie. I want to install Ubuntu 14.04 in my laptop on which windows 8.1 is installed. I have read in some sites that I have to use Gparted or similar tools, but there are also sites ...
0
votes
2answers
95 views

UFW is blocking DNS

I am configuring the security in my server. For easier the manage at the firewall, I installed the UFW. I did some settings in the UFW and I allowed some ports. Therefor when I enabled it the DNS ...
-1
votes
0answers
29 views

Duplicate MAC address in Ubuntu 14.04 [closed]

I moved to a new PG and I connected to Wi-fi. My Ubuntu gets connected to wi-fi, but I'm unable to access internet. I heard that it was a common bug in Ubuntu 14.04. So I went on exploring and came ...
-4
votes
1answer
380 views

ubuntu upgrade problem [closed]

I have tried to upgrade my Ubuntu 13.04 to 14.04 using the dashboard but it was not working. I then tried running sudo apt-get update but it's giving me these errors: Err ...
3
votes
2answers
441 views

Use /etc/aliases for outgoing mail relayed by postfix with local domain

I'm using Ubuntu 12.04 with postfix configured as satellite system that relays outgoing mail to Gmail. For sake of example, my registered domain is example.com I want root cronjobs' error output to be ...
-1
votes
0answers
11 views

I am working pxe-boot on kvm for ubuntu [closed]

I am working pxe-boot in kvm on ubuntu 13.04. The bxe-boot server started but bxe client got the some error I am uploded my error for scerensort photos
3
votes
1answer
448 views

Wifi broadcom 4313 with proprietary driver (Ubuntu) randomly stops connecting to wireless networks

I have a laptop with Broadcom 4313 wireless module, using Ubuntu 13.10 and Windows 7 as OS When reconnecting to network or when waking laptop from suspend/rebooting it sometimes cannot connect to any ...
10
votes
3answers
1k views

How do I log into my Linux laptop if I have forgotten both the login and password?

How do I log into my Linux laptop if I have forgotten both the username and password?
-2
votes
1answer
25 views

Writing a Script to Kill a Process for a User? [closed]

List the running processes for that user. Confirm with the system administrator before killing the processes. Kill the processes after confirmation.
0
votes
1answer
13 views

When selecting from the Menu not able to Perform task?

Is there a way to automatically create users, delete users, create groups and delete groups once I selected a task? Also Why im not able to perform any of those task once I select the task I want to ...