For questions regarding the function of the entire operating system and issues that affect users system-wide.

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Bug on Ubuntu 14.4

I have a bug on Ubuntu 14.4 which a[ways end with the dreaded: Errors were found while checking the disk for / or: Disk drive for /temp is not ready after about 2 weeks from which I cannot recover. I ...
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0answers
14 views

How to recover last journal on ext4 file system?

In this scenario user accidentally delete (shift+delete) files. Which is the best method to recover journal of ext4 /dev/sda1 partition of disk ?
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25 views

How do i change my byte size units to JEDEC Units (KB and MB)? [closed]

I want my drives to display MB not MiB.
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0answers
46 views

Ubuntu 16.04 install freezes at hardware configuration on HP Pavillion DV8125nr

I've tried many different routes to install by DVD but each and every time the farthest the install gets is to the hardware configuration phase at about 80-90% completion. I've checked all the usual ...
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1answer
30 views

Possible MySQL error occurred during system upgrade

Run on terminal the command sudo apt-get upgrade. After a few seconds appears this: Errors occurred while processing: /var/cache/apt/archives/mysql-server-5.5_5.5.49-0+deb8u1_amd64.deb E: Sub-process ...
2
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1answer
983 views

How to avoid someone using the “sudo” command to get unauthorized root access to my computer?

After understanding, what 'sudo' command does, I want to protect my computer from someone who wants to use this command for illegal purposes.
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1answer
14 views

Ubuntu 15.04 is slow after startup

In my laptop I'm using Ubuntu 15.04 and it's core i3, but the system is slow even when I open firefox, chrome and webStorm. RAM is 4Gb. Sometimes cpu1 and cpu2 usages are getting higher.. What can ...
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1answer
16 views

How to recover Formatted system files data windows 7?

I was installing new version of windows as win 7 nd i mistakenly formatted drives of my system. Previousy four drives were there but now only one is displaying for installing. As i am unable to boot ...
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1answer
24 views

which system command should i use to get the desired output given below

I need to write a system program that imitates who and w.Print the time since login(in the form HH:MM:SS)and the host name. Allow for a command line option -p that also prints the interesting ...
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1answer
110 views

X.Org Nouveau display Ubuntu 16.04

Im running Ubuntu 16.04 on my Asus G55VW 15" ROG Laptop. When i use the X.Org driver which is default my system runs fine, ive got a hdmi port and screen which has a naitive res of 2560x1080 which is ...
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0answers
786 views

Ubuntu 16.04 running very slow [system spec]

Lenovo 100s 14" Memory 2 GB Processor Intel Celeron 1.6 GHZ x 2 Graphics Intel HD Graphics (Cherryview) 64 bit Any idea why Ubuntu 16.04 is running terribly slow on this system? I converted from ...
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1answer
21 views

Lubuntu keeps on installing as if it is in a loop

Why does Lubuntu keep on installing? Goes into a loop. Gets to the point where is says you must reboot now. I click the reboot button and lo and behold, it starts installing again. What must I do? I ...
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0answers
93 views

System Freezing

I have Ubuntu 14.04 LTS. It randomly freezes, and I am unable to use the keyboard or mouse. The only way I have found to correct the problem, is to hard reset the PC, and then turn it back on. It will ...
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2answers
54 views

Is there a “variable” to see if computer is in sleep mode?

Is there some variable in Ubuntu (14.04) that could be read in bash script to know in which mode the computer is (active/sleep/suspend)? If yes, is it possible to see also for how long is it current ...
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0answers
39 views

Ubuntu 14.04LTS - Random beep from system speaker

My internal speaker (mainboard) sometimes does a beep. This seems to happen randomly. Sometimes it happens every few minutes, sometimes it is quiet for hours. There seems to be no specific event ...
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0answers
30 views

General protection fault

Since yesterday I was receiving General Protection Faults errors (2 IIRC) like this I don't know if it's related, but yesterday, just an hour or so before the first crash, I've installed the ...
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1answer
69 views

This requires installing packages from unauthenticated sources

This could be a duplicate, but nothing works. I'm updating this Updates and get this error in sudo apt-get update W:GPG error: http://download.opensuse.org Release: The following signatures ...
1
vote
1answer
145 views

14.04 High Load Average - but no CPU

I've got as system with 6 hperthreaded cores and 64Gb of RAM, just stood up 14.04 wit KVM, and I'm seeing load averages above 50, with only a VM install going on. NO high CPU, NO high I/O, just crazy ...
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2answers
35 views

How can I change the system font?

I googled and I got nowhere- the unity tweak tool doesn't show the font I installed (that I really, really, want) Can anyone help? The font name is Raleway
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1answer
94 views

mkdir: cannot create directory ‘/media/virtualCD’: Read-only file system

I just want to create a simple folder in root directory but I face this message: mkdir: cannot create directory ‘/media/virtualCD’: Read-only file system. I appreciate your help in advance.
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1answer
22 views

Send programs from ubuntu partition to mint partition

To begin sorry for my bad English (I speak french). I had some problems from my Ubuntu system and for this I'm going to install Ubuntu mint on another partition to keep safe my data... And I want to ...
1
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1answer
26 views

missing letter in between words on every application and system

I just installed Ubuntu Studio 14.04.4 64 bits and a lot of my applications either the name of it or the function name went missing, example: Trash, it only shows h, when I selected it a few times ...
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0answers
29 views

About Hipchat4 stopped working system? Anyone have same problem? How Can I fix this?

Hipchat4 release on last week and I try to install new version suddenly, but after I use for 4-5 minutes my ubuntu desktop stopped working and can do anything otherwise shutdown only. Anyone have ...
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0answers
12 views

System Crashing

I have been trying to install pure data 'pd-extended' and I got this error: unknown error:<clas 'SystemError''>'(E:Malformed line 58 in source list/etc/apt/sources.list.(distparse))'.This ...
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1answer
37 views

How to start a application when system boots up? [duplicate]

I have an application which I was running by using ./cmd from the directory where it is located. Now what I am looking for something by which the application starts automatically when my system boots ...
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1answer
19 views

System Monitor with data logging

Is there some application that allows system monitoring with value logging ? Most of system monitor application usually shows current system usage (CPU/RAM/HDD/NET etc) with (sometimes) small history ...
0
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1answer
36 views

Permission denied(public key) in ssh while installing iotivity

When I run ssh gerrit.iotivity.org, I get permission denied(public key) error. Before this, I run the following command: ProxyCommand nc -X5 -x <proxy-address>:<port> %h %p with my ...
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0answers
17 views

Trying to fix no-audio now no system center icon

I began trying to fix a no-audio issue then lost the system center icon. I have implemented all suggested fixes on this thread with no result. The last situation is this: ...
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1answer
4k views

how to install robomongo ubuntu system please let me know

I am using monogodb and I want to install robomongo, How can I install robomongo on ubunto by command base. Please help me
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0answers
14 views

Extreme lag on first boot after installation

Month's ago, i tried install ubuntu 64 bit in my laptop and its work fine, and then i tried linux mint 64 bit its work fine too. But recently i have tried to install ubuntu 14.04 64 bit, but this ...
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1answer
47 views

how can I override priority between paths of /bin and /usr/local/bin?

Today I wanted to run ss -tpla command to see network connections, to my surprize I got error: unknown option -t. Then I checked location of ss command: ~$ whereis ss ss: /bin/ss /usr/local/bin/ss ...
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0answers
30 views

launch xkill from icon?

While alt-F2 will allow me to launch xkill, how do I add an icon for that in the dock? I'm not using the Gnome panel. Using Ubuntu unity, 15.10, wily
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0answers
50 views

Can I share file on adhoc network?

I've installed vsftpd and samba after that I created an adhoc connectivity on the Ubuntu. Then i got 10.42.0.1 as the host IP. I connect my mac to the Ubuntu adhoc. And when I open ftp://10.42.0.1 ...
5
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1answer
145 views

How do I know if I'm using a GPU?

How to find out in Ubuntu (14.04) whether the processor has a GPU or not? I went through a few links and the results are as given below for my system specs. $ lspci | grep VGA 00:02.0 VGA compatible ...
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2answers
32 views

File system goes read-only when using file explorers

I have a problem with my 15.10 system and it goes as follows: When using Nemo or Nautilus (these are the two I've tried) works fine as long as I explore my home directory only. Visiting 'File ...
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0answers
14 views

Why does ubuntu seem to be running in safe mode?

New to linux. finally got ubuntu 15.10 installed but after lots of screen flickering and many restarts the desktop only seems to be running in some sort of safe mode.Can anyone suggest how to diagnose ...
0
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1answer
14 views

Include apt.history.log in systemlog

I am trying to find a way to Include apt.history.log in the systemlog so the logs will automatically be sent to a remote centralized log server I have running. But is this something there is ...
0
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0answers
13 views

System Testing doesn't work

My OS is Ubuntu 14.04 LTS and I have a HP Pavilion dv6500. Every time I launch System Testing, it breaks after an hour of use (I cannot precisely tell in which test it breaks). It restarts my PC and ...
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0answers
37 views

Google Chrome Crawl/system hog on Ubuntu 15.10 desktop

I finally upgraded my desktop to 15.10 from 15.04 during Nov '15 with excitement only to be continuously disappointed as Google Chrome seems to 'hog' the system, make browsing really slow* with ...
0
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1answer
43 views

run 64 bit version on 32 bit operating chip

Does anyone in the Ubuntu community know of a way to run the 64 bit version of Ubuntu on a 32 bit operating chip. My old laptop is running an Intel M 1.7, 32 bit chip? By way, I mean as a package ...
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0answers
10 views

Linux Syscalls mechanism - exit function

I am trying to understand linux syscalls mechanism. I am reading a book and it in the book it says that exit function look like that(with gdb): mov $0x0,%ebx mov $0x1,%eax 80 int $0x80 I understand ...
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1answer
27 views

Can't access to the system after an update

Last night I got security updates notifications on my laptop operating under Ubuntu 14.04 so when I procede I got error message telling me that I need some 25Mo of space .. So as usual I made ...
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0answers
39 views

System hangs frequently Ubuntu 14.04

I am using a Sony VAIO VPCCB35FN with 500 GB HDD, 4GB RAM, I5 processor and 1GB AMD RADEON Graphics card. I was dual booting my system with windows 7 and Ubuntu 14.04. I recently removed Windows and ...
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1answer
40 views

Unstable system when low disk space

When I tried to fill the system disk to full (100Mb and less space remaining), I noticed that Ubuntu is quite unstable, for example when I open the System Monitor, it doesn't open, only blink; or when ...
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0answers
23 views

how to delete a file using its inode number in busybox?

while doing a random compilation I created a file that has unreadable character as its file name so, I want to remove it using its inode number. I got some options in the internet but they don't work ...
2
votes
2answers
59 views

ubuntu demo available

Is there such a thing as an ubuntu demo video or a "Take a tour" video to view prior to installing ubuntu? I am seriously considering replacing Windows 8.1 with ubuntu but I'd like to see it in action ...
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2answers
33 views

Is there any gui to make a global (system and devices) search in Ubuntu?

I've searched for this topic but it seems that I'm the only one with this problem. The search for files default app allows to search only in a specific place. I would like to search, let's say, for a ...
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1answer
42 views

How to know that my ubuntu system is clear from bad file? [closed]

How to know that my system have been accessed through by backdoor and how to know there is rootkit, malware or trojan in my ubuntu system.
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1answer
35 views

system-wide git settings

I would like to set git defaults for all users on my system. Where can I find the global system-wide configuration? There is no such file as /etc/gitconfig Thanks.
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0answers
32 views

Suspicous activity cause huge syslog file(over 200G)

I installed a ubuntu 15.10 a few days ago. Two things are running on the ubuntu machine. The first one is "Desktop Sharing", and I use VNC on mac to control the ubuntu machine through IP address. ...