Ask Ubuntu
Ask Ubuntu

Most Popular

more tags
1500 questions
159
votes
20 answers

File and directory comparison tool?

I'm looking for something that will compare directories and files like Beyond Compare does for windows. Its mainly for use of source control, but I need to use it for deployment as well.
DevelopingChris
  • 1,715
158
votes
21 answers

"dev/sda1: clean, ..." This message appears after I startup my laptop, then it won't continue booting

dev/sda1: clean, 552599/6111232 files, 7119295/24414464 blocks After I turn on my laptop this message appears. The system never boots, the message just stays there.
El-Dow
  • 1,689
  • 2
  • 11
  • 5
158
votes
10 answers

Copy (only copy, not cutting) in Nano?

I need to copy some text in Nano, so I searched using Google and found a few posts here on Stack Exchange and other sites in which the OP asks "How can I copy?" and people usually answer "You can use ctrl+K". The person asks how to copy and they are…
user423047
158
votes
4 answers

Installing PHP 5.6 on Xenial (16.04)

I need to use php5 (5.6) because I'm working on a Drupal 7 project which doesn't support php7. The problem is I recently updated to ubuntu 16.04 Xenial which seems to no longer support php5. I tried to install it from this repo, however when It try…
Nikolai
  • 1,683
158
votes
11 answers

How do I install the latest stable version of Firefox?

I want to install the latest Firefox on my Ubuntu (64bit) box. What is the best way to do this? Is there a specific update site or should I download the binaries manually? If doing manually, in which directory should I put the files? In my home…
danimajo
  • 1,683
158
votes
4 answers

How do I patch/workaround SSLv3 POODLE vulnerability (CVE­-2014­-3566)?

After the BEAST attack and Heartbleed bug, now I've heard about a new vulnerability in SSL/TLS called POODLE. How do I protect myself against being exploited? Are only servers or also clients affected? Is this OpenSSL/GnuTLS specific? What kind of…
gertvdijk
  • 69,427
158
votes
6 answers

Complete Installation Guide for Android SDK / ADT Bundle on Ubuntu

What all needs to be done to install Android SDK / ADT Bundle on Ubuntu? Each of the steps in the answer was found on some different forum as I encountered obstacles getting started with my Android SDK and posted questions in appropriate forums…
Karthik C
  • 2,827
158
votes
9 answers

Getting Processor Information

I have just ran lshw to get some information about a machine I know nothing about, and I just wanted to confirm something. Does this basically mean it is a dual core 64 bit processor that is installed? *-logicalcpu:0 description: Logical CPU …
Toby
  • 1,765
158
votes
13 answers

How do I optimize the OS for SSDs?

What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
Lars Haugseth
  • 2,002
157
votes
19 answers

Reverse two finger scroll direction (natural scrolling)?

Two-fingered scrolling is working fine, but is there a way that I can reverse the direction (natural scrolling)? It seems backwards opposed to the way OSX does it.
Naftuli Kay
  • 4,344
157
votes
7 answers

Is there a hotkey to switch between tabs in the default terminal app?

Is there a hotkey to switch between tabs in Ubuntu's native terminal app? I'm using the netbook version of ubuntu.
mikes mith
  • 1,571
157
votes
3 answers

How do I re-run boot loader?

Running sudo apt-get -f install said that The link /vmlinuz.old is a damaged link and: you may need to re-run your boot loader[grub] Here's the full output: user@chrubuntu:~$ sudo apt-get -f install Reading package lists... Done Building dependency…
TevinYoungz
  • 1,581
  • 2
  • 10
  • 6
157
votes
14 answers

How to compare two files

I want to compare two files line by line and by column number 2. How could I accomplish this? File_1.txt: User1 US User2 US User3 US File_2.txt: User1 US User2 US User3 NG Output_File: User3 has changed
Roboman1723
  • 2,975
  • 8
  • 26
  • 32
157
votes
8 answers

How to install PHP `mbstring` extension in Ubuntu?

What is the PHP mbstring extension, and what is the best way to install it on Ubuntu 14.04?
Rohit Bind
  • 1,703
157
votes
7 answers

How do I run a 'sudo' command inside a script?

To do a patch manually I must type this command sudo ./playback_delete_data_patch.sh 09_delete_old_data_p.sql There is a space just before the 09: sudo ./playback_delete_data_patch.sh [space] 09_delete_old_data_p.sql How can I run this inside…
user251948
  • 1,571
1 2 3
…
99 100