All Questions

Filter by
Sorted by
Tagged with
1 vote
1 answer
964 views

preview windows from dock for switching between PDF documents [duplicate]

Hi I have a problem which drives me crazy. I installed Ubuntu 18.04 recently and when I read some PDF documents and want to switch from one to another I always have to click 3 times: 1. rightclick on ...
2 votes
1 answer
11k views

Using bash in combination with psql, passing variable between them

I'm writing a bash script where I use psql (Postgresql). DATABASE='scifi' sudo -u postgres psql count=SELECT COUNT(*) FROM (SELECT datname FROM pg_catalog.pg_database WHERE lower(datname)=lower($...
3 votes
0 answers
1k views

Standard package missing [duplicate]

I am trying to install httpie: » sudo apt update Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease Hit:2 http://archive.ubuntu.com/ubuntu bionic-security InRelease Hit:3 http://archive.ubuntu....
2 votes
3 answers
3k views

Pulseaudio does not detect built in analog audio, only HDMI from NVidia

I'm at Ubuntu 16.04 LTS A workaround to this problem is to go to /tmp at your home directory and using chown for the pulsaudio temporary folder to be under your username. but apparently, these ...
1 vote
0 answers
872 views

Whenever I try to install geany in Ubuntu 18.04, there is this following issue. How should I solve it?

This error is coming up saying, unable to fetch some archives The error is: ss@ss-System-Product-Name:~$ cd Desktop ss@ss-System-Product-Name:~/Desktop$ sudo apt-get install geany [sudo] password ...
1 vote
0 answers
184 views

No wifi autoconnect

I've got a Lenove Yoga 720 which works quite nice out of the box with Ubuntu 18.04, however after setting up VPN I'm unable to autoconnect to wifi when I start or when resuming from suspend. Rather ...
1 vote
0 answers
758 views

My 240 GB SSD shown as having 2MB

I am using Lenovo IdeaPad Z500 My SSD harddrive is SP ( silicon power ) S60 (240GB). On the SSD was installed 2 operating systems: Windows 10 and Ubuntu 16.04. Last night I couldn't boot my PC and ...
0 votes
0 answers
38 views

Do scripts in cron update when programs are updated?

I have recently found a lot of brute force SSH attempts on my server. As a result of that, I have changed the port of my server and put a few firewalls in place to make it harder for my server to be ...
2 votes
0 answers
7k views

cc1: error: code model kernel does not support PIC mode

This is my simple drivers Makefile: obj-m+=hello_world_module.o KDIR=/lib/modules/$(shell uname -r)/build all: make -C $(KDIR) M=$(shell pwd) modules clean: make -C $(KDIR) M=$(shell pwd) ...
1 vote
1 answer
2k views

ping multiple IP's from mysql using bash?

How can I ping a list of IPs found in a mysql database from bash? I have a table called nics containing these fields: id user_id machine_id mac ipv4 ipv6 dns icmp => used as a binary (0=disable, 1=...
1 vote
0 answers
87 views

Unablle to cure a login loop in Ubuntu 18.04

I have installed Ubuntu 18.04 about six times over the last two weeks. Three of them on the same machine. To tell the truth, the third installation was fine but I accidentally corrupted it by ...
19 votes
2 answers
95k views

What is the command to display the last TEN lines in file: /var/log/syslog

I want to know what is the command to display the last TEN lines in file: /var/log/syslog
0 votes
2 answers
2k views

Sounds on ubuntu 18.04

I recently installed ubuntu 18.04 and would like to know how to get the sounds like the ones that were on 16,04. I get sound from my external speakers but no startup sound I tried system settings, and ...
0 votes
3 answers
1k views

can I increase root and other disk's size without formatting it

want to shrink home ie sda5 and expand root ie sda3 Device Start End Sectors Size Type /dev/sda1 2048 20469759 20467712 9.8G Linux swap /dev/sda2 20469760 28469247 ...
0 votes
1 answer
267 views

Title bar buttons on both sides

Some people like title bar buttons on the right side and some on the left side. I can't decide. Is there any way, that I could have them on both sides? (and see myself what side I would use) This ...
0 votes
1 answer
2k views

Generic bluetooth joystick driver/udev rules

This is my first question since I'm less than a week old Ubuntu user. I officially switched from W10 on Friday. I have managed to find answers to all my n00b questions until today when I tried to ...
1 vote
0 answers
1k views

missing VLC icon in Ubuntu 18.04 tray

I recently moved to Ubuntu 18.04 from 14.04, I have a problem with VLC since I installed it, and have tried solutions from the net but didn't work out. My problem is when I open the VC, its icon ...
0 votes
1 answer
220 views

How to handle signal in foreground process?

I have doubt, why does we cannot use kill -s 9 <pid> or kill -s 15 <pid> to kill foreground process? When I am trying to do the same, getting result that process id does not exist ...
1 vote
0 answers
189 views

How to change screen resolution scaling in Ubuntu 18.04 LTS [duplicate]

I recently upgraded from Ubuntu 16.04 to Ubuntu 18.04. I want to change my screen resolution scaling from 1.00 to 0.75. It was very easy in 16.04 version. Please help me to change the scaling.
7 votes
5 answers
142k views

Installed Ubuntu 14.04 - cannot connect to internet with wired or wireless connection

I just installed Linux and Ubuntu 14.04 alongside my Windows 8 on my HP Pavilion. First, I had problems with the graphics card and it said it could only operate in low graphics mode.But it just stall ...
1 vote
1 answer
2k views

Mysql root password error

My php -v is php -v PHP 7.0.8-0ubuntu0.16.04.2 (cli) ( NTS ) Copyright (c) 1997-2016 The PHP Group Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies with Zend OPcache v7.0.8-0ubuntu0....
0 votes
1 answer
547 views

Can't enter to BIOS after debian install only black screen [closed]

I have Acer Aspire laptop with windows 10. recently I installed Debian 9 in a different partition and everything went fine. The second time I tried to boot into bios I only have a black screen with a ...
1 vote
0 answers
22 views

Windows 10 Boot Loader is neither found in BIOS nor in GRUB. Unable to boot on Windows [duplicate]

My desktop contains two SSDs and one hard drive. One SSD has been installed with Windows 10. The installation went fine and I found the entry "windows boot loader" in BIOS. After installing Ubuntu 16....
0 votes
1 answer
15k views

Bash error "no such file or directory" when I type cd usr/bin/python3.7 [closed]

i tryied to install pyarrow atlink on my user file .and i use cd command to went to python file and install pyarrow there.but i meet bash error lenovo@Lenovo-Y50:~$ whereis python python: /usr/...
-5 votes
1 answer
4k views

"pip install pyarrow" returns syntax error [closed]

i already try to use linux cod on python.with importcommand.whats your idea to improve .do I use .os to import? how do i use it to install pyarrow in python.how can I install it atlink like windows ? ...
0 votes
0 answers
45 views

I can't boot up my Ubuntu

I have a problem here and that is: I installed Ubuntu and encrypted the hard drive when I installed it, after a while, I decided to duel boot Ubuntu and windows 7, I created a partition in my other ...
1 vote
1 answer
1k views

Installation of Ubuntu 18.04 on an Acer with UEFI - grub installation doesn't work

I'm trying to install Ubuntu 18.04 on an Acer Aspire ES15 with UEFI. Originally, it was delivered with Windows 10, but now I don't want to use them at all. The intention is to have only Linux here ...
0 votes
1 answer
895 views

Asterisk Followme() extension not found

Can't get beyond the error message that the "extension doesn't exist" that I see in the Asterisk CLI console. Any ideas what I'm doing wrong? The error message: [Aug 10 01:51:54] ERROR[28026][C-...
0 votes
1 answer
1k views

Openning 443 port with ufw

Although ufw status shows that port 443 is allowed, the netstat -tulpn shows nothing. root@machine:/etc/nginx/sites-available# ufw status Status: active To Action From --...
2 votes
1 answer
268 views

How can I make a bash script display its output like `man`, not filling up the terminal?

For example - run man in a terminal. I don't know how they did that - but it runs in a way that it doesn't output everything into the terminal - when you press q it goes away, and goes back to the ...
14 votes
3 answers
36k views

Delete a user and all files owned by this user

I have used deluser without the parameter --remove-all-files: $ deluser 'user' Is there a way other than rm -r /home/user to remove all files owned by a user now (since I have already executed ...
3 votes
1 answer
7k views

Getting connection refused in docker

I am using ubuntu 16.04. After installing docker, when I run docker pull hello-world, I am getting this error : Using default tag: latest Error response from daemon: Get https://registry-1.docker.io/...
0 votes
3 answers
786 views

Filenames cause wrong order when using mencoder to create a video from a sequence of pictures

I would like to create a video of pictures with mencoder, I can do it with: mencoder mf://*.jpeg -mf fps=50 -ovc copy -oac copy output.avi But the problem comes from the name of my pictures......
0 votes
0 answers
502 views

How to solve this grub problem on Ubuntu 18.04 [duplicate]

I get a black screen with the following text when booting Ubuntu 18.04. GNU GRUB version 2.02 Minimal BASH-like line editing is supported. For the first word, TAB lists possible ...
8 votes
2 answers
6k views

How do I move my encrypted /home to a new computer?

Hi I have a new notebook and I want to move my home data to the new computer. I think there are multiple ways of doing this copy all to a external hdd and move back on new computer do an Deja-Dup ...
1 vote
1 answer
716 views

Ubuntu Server 16.04: Sees only logical volumes (hardware RAID), doesn't see physical disks

Situation: I have a server (see info below). I need to install Ubuntu on the physical drive, but not on the logical one (hardware RAID). But during installation I can't see my physical drives, so it'...
1 vote
2 answers
5k views

How to change font size of the login screen?

I had installed Ubuntu 12.04 on my netbook with maximum resolution of 1024x600, I upgraded to ubuntu 12.10. occasionally I use other GUI because it is more comfortable to me for certain tasks. since I ...
0 votes
1 answer
2k views

18.04 LTS does not recognize dual monitors correctly?

Hardware: Integrated Graphics: AMD Trinity Radeo HD 7660D; Note to readers, I do have the latest drivers for the AMD graphics system: "If you're running Ubuntu 18.04, you already have the open source ...
1 vote
0 answers
30 views

How Do I Properly Install Selinux on Ubuntu? [duplicate]

In the past I have used Fedora and loved having Selinux and learning about it etc. I'm pretty familiar with it. But I had a soft spot in my heart and went back to Ubuntu due to it being the first ...
3 votes
0 answers
371 views

Blank icons after upgrading to Ubuntu 18.04 on Unity

This happened right after upgrading to Ubuntu 18.04 on my father's PC from Ubuntu 16.04. Changing the icon pack or the GTK theme does not work. The only way I get to see the icons again is by ...
1 vote
0 answers
103 views

Recover free disk space after cloning partition

I cloned an initial partition which size was 350Gb into a new partition in another disk which size was 450Gb. All went well and everything works fine. However, when I take a look at file systems in ...
3 votes
0 answers
692 views

Ubuntu 17.10 laptop touchpad is too sensitive

I was having problems with touchpad sensitivity after installing Ubuntu 17.10. I have a Dell Inspiron 15 3000 laptop and the touchpad is extremely sensitive after installation. For example, the mouse ...
7 votes
3 answers
6k views

Small caps plugin for GIMP

Is there a way to create small caps in GIMP? There was a reference to Freetext.org at GIMPTalk, but the plugin doesn't exist. I've installed Freetext on my computer, but don't know how to proceed to ...
1 vote
0 answers
210 views

(K)ubuntu Live and data partition on one flash drive

I'm trying to partition a USB drive with a bootable partition using Kubuntu 18.04.1 and a data partition. What I'm trying to accomplish is the following: Use GPT partition table to UEFI Boot 2GB ...
1 vote
1 answer
1k views

how to install Xscreensaver?

i've been trying to install this all morning, but i get this error. i don't know hoow to solve it... Im on ubuntu 18.04
1 vote
0 answers
24 views

Apple devices couldn't be connected or even detected, how can I solve this please?

I'm trying to do a backup of my apple device, but it won't go ahead. I'm using Tunesviewer, but it does not even recognize my Apple devices. Could someone please help me?
2 votes
1 answer
2k views

insserv: Service localfs has to be enabled to start service vmware-USBArbitrator

I have installed VMWare Player on my Ubuntu 16.04 system, which works fine. Lately I have been looking into how I can trim down the excess services running on my system, and I came across vmware and ...
4 votes
7 answers
31k views

Youtube videos are slow?

I am running Ubuntu 12.04 I have tried reading different articles online but I am beat. I check my internet speeds they are running at the correct speeds. Yet when on Youtube videos just take ages to ...
0 votes
0 answers
60 views

how to recover data from partition without permissions?

I have an internal drive with a partition I am no longer able to access: You do not have the permissions necessary to view the contents Reason for it is a windows OS with fast boot. There are many ...
1 vote
1 answer
335 views

Clamav with windows

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? E: Aborting install. when using --fix-missing. I did apt-get clean and tried to re install and it says aborting. ...

15 30 50 per page