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1500 questions
110
votes
7 answers

What is the difference between "gksudo nautilus" and "sudo nautilus"?

I've been using gksudo nautilus and sudo nautilus through Alt+F2. What's the difference? They look very similar!
DrKenobi
  • 6,442
109
votes
3 answers

netstat or alternative in docker ubuntu server 16.04 container

Was netstat removed in 16.04? Is there an alternative to netstat available in 16.04? Or how do I install netstat in 16.04? I am running an ubuntu:16.04 container in docker for Windows, it seems that netstat is no longer available... It is available…
Duncan Gravill
  • 2,315
109
votes
10 answers

rsync over ssh "error in rsync protocol data stream" (code 12). ssh works

I tried: rsync -v -v -e 'ssh -p YY' ./testfile me@XXXXX:/home Error Message opening connection using: ssh -p YY -l me 146.6.84.206 rsync ->-server -vvve.s . /home [sender] make_file(testfile,*,0) send_file_list done send_files…
user3391229
  • 1,205
109
votes
3 answers

apt-get install with --assume-yes is still prompting me to install dependencies

I am trying to write a bash script to install a list of software. I am using --assume-yes to get past the prompts. This following line somehow doesn't work: sudo apt-get install python-software-properties --assume-yes If I try to apt-get without…
Rengas
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109
votes
6 answers

How can I turn off swap permanently?

Swap makes my system all sluggish and turning it off makes everything smoother. I have 3.5 GB of RAM. I know how to turn swap off by entering sudo swapoff -a in the terminal, but that's just for the current session, because after a reboot swap turns…
Alex Li
  • 1,291
109
votes
15 answers

Blank screen after installing nvidia restricted driver

I've installed the current nvidia restricted driver and rebooted my machine and now I get a black or blank screen. How can I fix this?
LaMinifalda
  • 71
109
votes
12 answers

How do I read a variable from a file?

I want to insert in my script a value (string) that I would read from a text file. For example, instead of: echo "Enter your name" read name I want to read a string from another text file so the interpreter should read the string from the file and…
user208413
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109
votes
2 answers

Why is gksu no longer installed by default?

I have always recommended pressing ALT+F2 and typing for example gksu nautilus or gksudo nautilus both are equivalent; to run graphical programs with root privileges. However, I have just installed raring on a test system and this no longer…
Warren Hill
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109
votes
6 answers

How to monitor disk activity?

How do I view my Disk Activity on Ubuntu? For example, How can I monitor what is being written and read from disk as well as the percentage of disk usage? I am looking for an application similar to the Resource Monitor in Windows.
Fritsen
  • 1,091
109
votes
9 answers

Switch command output language from native language to english

How can I switch the command output language from my native language to English, so I can post my Ask Ubuntu question with English command output (error messages)?
BuZZ-dEE
  • 14,223
109
votes
10 answers

dpkg: error: dpkg status database is locked by another process

I just wondered if somebody could tell me what this means: E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. reidsr@ubuntu:~$ sudo dpkg --configure -a dpkg: error: dpkg status database is locked by…
reidar
  • 1,241
109
votes
8 answers

git config global file - remove settings

The following command: $git config --global --list gives me: user.name=test user user.name=gotqn I want to remove the first name. I referred to this article and have done the following commands but without any result: git config --global…
gotqn
  • 2,047
109
votes
1 answer

Installing python: who is deadsnakes and why should I trust them?

I want to install Python 3.9 on my Ubuntu 20.04, and all tutorials I can find include a step as follows: sudo add-apt-repository ppa:deadsnakes/ppa I am concerned about security. I've looked into this question: Are PPAs safe to add to my system and…
Pedro A
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109
votes
2 answers

python-is-python3 package in Ubuntu 20.04 - what is it and what does it actually do?

Having used Ubuntu 18.04 for a handful of years now, and reading that Python 2 has been removed from Ubuntu 20.04, I was looking forward to using the commands python or pip rather than python3 or pip3. So today I tried Ubuntu 20.04 for the first…
cdahms
  • 1,773
108
votes
7 answers

What is the difference between "chmod +x" and "chmod 755"?

When it comes to making a file executable what is the difference between chmod 755 and chmod +x and when would I use which? I so far have only used chmod +x and I just read something and it used chmod 755 and I could not tell whether or not it was…
Darth4212
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