Questions tagged [ubuntu-16.04]

Ubuntu 16.04 - named "Xenial Xerus" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 21, 2016, it was supported for 5 years. Extended Security Maintenance subscriptions are offered by Canonical until April 2024. Only use this tag if your question is version-specific.

Ubuntu 16.04 - named "Xenial Xerus" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 21, 2016, it will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Core, and Ubuntu Kylin. Only use this tag if your question is version-specific. Note that the Ask Ubuntu site is specifically dedicated to Ubuntu questions.

946 questions
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Creating a new user who can sudo?

I've been advised by AWS documentation not to access the server as root but create a new user, and do so without a password using this flag: --disabled-password I now need to run a sudo command to install nginx. How can I run a sudo command, it…
panthro
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Will Ubuntu automatically queue hundreds of processes?

I'm creating a service that will be calling potentially hundreds or even 1000s of ffmpeg commands at once. Will Ubuntu 16.04 automatically queue these jobs? Is there some sort of app that does a better job than its native methods?
user1661677
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Several services (/etc/init.d) don't autostart properly after scheduled reboot

I use the following crontab to regularly reboot my system 30 5 * * * root root reboot but after these scheduled reboots, some services don't automatically start. The ones I have noticed already are OpenVPN and PostgreSQL, but I expect there to be…
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After setting up fail2ban w/Permanently Ban Repeat Offenders to fail2ban - I'm not be getting any emails of bans w/detailed info anymore

After installing fail2ban 0.9.3 on my uBuntu server 16.04 and then following the steps located from this link - Perma Ban Repeat Offenders I did service fail2ban reload and got the emails showing the services stopped and started. but, I seem to…
Ronnie
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VPN connection fail DNS settings

I have a problem with DNS settings in Ubuntu 16.04. First I configure my VPN connection using .ovpn file with command: sudo openvpn vpn_config_file.ovpn The interface tun0 is up but it's not getting any traffic: tun0 Link encap:UNSPEC HWaddr…
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Can access ssh, cannot access from browser

straight to the question, i was been provided a server by our clients with ip x.x.x.x port 2215 to access it by ssh. Therefore i upload all my website to /var/www/html folder. Because i lack of knowledge in server, i tried to access it through…
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Count requests from blocked IPs

Site on my server is being attacked using SQL injections. I block IP from which was attacked with command: # iptables -A INPUT -s ATTACK-IP-ADDRESS -j DROP Can I review activity of ATTACK-IP-ADDRESS now? I mean when and what HTTP request was from…
slava
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How to add IPV4 range to unmanaged server

I am really inexperienced with Linux and networking. I bought an unmanaged dedicated server running ubuntu 16.04. I am having problems with binding the ipv4/24 range with my dedicated server. How would I bind/add my IP range to my dedicated server?
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Redirect all HTTPS requests to HTTP temporary in Apache on Ubuntu Server

My site was hosted in an hosted provider which had enabled certificates so the website in the google results is appearing with the https:// in the beginning. Since, yesterday I have setup my site in a VM (Ubuntu Server 16.04 with Apache2) which…
yaylitzis
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how to roll back a kernel ubuntu 16.04

I could not find this easily today so I am putting it here for other people, and myself in 6 months How do you roll back a kernel in ubuntu LTS 16.04, answered below
ms4720
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Ubuntu LDAP Client: Caching not working

I have an LDAP server, and I want to be able to login on my machines using that LDAP server. This works basically, but when the LDAP server is out of reach (e.g. a laptop is used outside the office) then authentication fails. I tried several…
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Asterisk (VOIP) port forwarding on TP-LINK

I have local asterisk server on UBUNTU 16.04. It's address 192.168.0.101:5060 and I would like to be allowed to talk with other users when I am outside local network. I tried THIS but it doesn't work. I am not good at network engineering. IS there…
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Not sending encrypted messages

My mail server appears not to send encrypted mail. Image of red padlock in Gmail indicating unencrypted It seems like most of the information/tutorials focus on setting up TLS so that a client can connect, which I believe I have achieved. I've…
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Install php 5.6.5 in ubuntu 16.04

I need help in installing php 5.6.5 in my ubuntu 16.04 for my Magento 2.1 website. I tried installing php through these commands: sudo apt-get -y update sudo add-apt-repository ppa:ondrej/php sudo apt-get -y update apt-get -y install php5.6…
Jai U.
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What does the Let's Encrypt apache plugin do when proving domain ownership?

I want to run $ letsencrypt --apache certonly to get a new cert, but I can't find anywhere in the documentation that explains what this actually does other than that it uses the "tls-sni-01 challenge type". What does it actually change in my Apache…
Flash
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