Highest Voted Questions

236

votes

13 answers

What is the command to update time and date from internet

What is the command to update time and date from Internet? Is there any application that allows me to do so from its user interface rather than from the shell?

time

asked Nov 21 '11 at 13:35

Vikramjeet

5,936
10
37
43

236

votes

8 answers

How can I get apt to use a mirror close to me, or choose a faster mirror?

Downloading from the main Ubuntu archive is slow even when it's not release day, how can I get apt-get to automatically use a mirror that is close to me?

apt repository mirrors

asked Apr 28 '11 at 23:20

ajmitch

18,999

236

votes

15 answers

How to move multiple files at once to a specific destination directory?

I got a bunch of files in some directory (along with many other files) that I want to move. Luckily, all the files I want to move contain a certain identifier in their names, so I can ls | grep IDENTIFIER to get the exact list of files to move.…

command-line mv

asked Nov 08 '12 at 13:13

gilad hoch

2,485

236

votes

23 answers

sudo apt update error: "Release file is not yet valid"

I keep getting this error every time I try to sudo apt update: Hit:1 ubuntu bionic InRelease Ign:3 linux/chrome/deb stable InRelease Get:2 /ubuntu bionic-updates InRelease [88.7 kB] Get:5 /linux/chrome/deb stable Release [943…

apt updates

asked Nov 28 '18 at 20:58

user897956

236

votes

2 answers

How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?

I am trying to update to install PHP 5.5, 5.6 or 7.0 in Ubuntu 12.04/14.04/16.04 LTS, and I can only get PHP 5.3.10 for Ubuntu 12.04, PHP 5.5.9 for Ubuntu 14.04 or PHP 7.0.4 for Ubuntu 16.04 using official repositories (using apt-get). I'm not…

ppa php

asked Mar 02 '12 at 14:45

kavisiegel

2,517

235

votes

10 answers

What is the Linux equivalent to Windows' Program Files?

Under Windows, most applications and application data are stored in a special directory known as C:\Program Files (and occasionally C:\Program Files (x86)). What is the Ubuntu/Linux equivalent to this path? Is there even one?

filesystem

asked Feb 20 '11 at 07:36

user11154

234

votes

12 answers

How do I install the Firefox Developer Edition?

Mozilla released the Firefox Developer Edition! How do I install it on Ubuntu? Source: Mozilla Releases 'Firefox Developer Edition' for Windows, Mac and Linux - OMG! Ubuntu!

firefox

asked Nov 10 '14 at 18:32

blade19899

26,994

234

votes

2 answers

How can I display all users and groups with a command?

I want to display: All users and All groups in my system using command-line. users and groups commands display users currently logged in, and groups a user belongs to respectively. How to display a list of all users and all groups by…

command-line users groups

asked Aug 23 '14 at 14:26

Pandya

37,289

234

votes

3 answers

Can I directly download audio using youtube-dl?

Can I directly download audio from a YouTube video instead of first downloading audio+video and then extracting the audio?

youtube-dl

asked Feb 20 '14 at 07:05

DK Bose

44,553

233

votes

5 answers

Missing System Settings after removing some packages

I installed or uninstalled some packages. I do not even remember what I was doing. As a result, now I can't see most of the system settings in settings window. Any idea how to solve this problem. When I hover mouse over the window title, it shows…

system-settings

asked Apr 23 '14 at 08:03

Indigo

2,433

233

votes

5 answers

Why doesn't `sudo cd /var/named` work?

I want to cd into /var/named but it gives me a permission denied error, and when I want to use sudo to do this I am not permitted. What is the technical reason for this, and is it possible to do this some other way?

permissions sudo

asked May 06 '13 at 19:02

Hojat Taheri

5,539

232

votes

6 answers

How to find the number of CPU cores including virtual?

How do I find out the number of cores my CPU has, including virtual cores (hyper threading cores) using the command line?

command-line system-info cpuinfo

asked Jan 22 '16 at 12:47

TellMeWhy

17,964
41
100
142

232

votes

4 answers

Why is Ubuntu moving to Snap packages?

Why Ubuntu dumping .deb packages and moving to .snap packages? At least for now they are keeping .deb package for normal distributions. .deb is already the most popular packaging format out there. This gives an idea about what the Snap package…

apt package-management ubuntu-core snap

asked May 05 '15 at 06:45

Vishnudev K

2,796

232

votes

14 answers

kill a screen session

I'm trying to kill a screen session. I noticed a lot of other related questions, but none of those answers are working for me. I am trying to kill the following session: screen -ls There is a screen on: 23520.pts-6.porkypig (09/30/2013…

gnu-screen

asked Oct 09 '13 at 21:35

JohnMerlino

7,829

232

votes

2 answers

What is the best way to uninstall nginx

I'm trying to add new module to nginx with naxsi, but I should reinstall nginx. What is the better way of removing nginx?

nginx

asked Jan 02 '13 at 20:13

Shuo

2,433
2
15
4

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