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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.

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Squid Proxy using vulnerable ports

My firewall (Juniper SRX) caught outbound flows using vulnerable ports that are known to be used for things like Trojans, Windows Backdoor, and NHL 2013. One thing that looks odd is the flows are using ICMP protocol. This has been ongoing a few…
Kev
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Tune apache2 to serve up tomcat web app at domain without timeouts

I have a domain that is hosted on an unmanaged VPS server with Ubuntu 16.04 I have configured my Java EE Tomcat web app to be served up at my domain name. But the response times for the app are way too slow, progressively going toward timeouts in…
te7
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Apache uses 100% CPU but only part of RAM on heavy load

I am running a Website that gets heavy usage at a particular time. I run apache 2.4 on an EC2 Ubuntu 16.04 server with 4 Core CPU and 16GB of RAM and 2GB Swap. Size of the average apache process is 35MB (approx). I have set up the KeepAlive value as…
gentrobot
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CREATE EXTENSION postgis fails with /usr/lib/libgdal.so.1: undefined symbol: sqlite3_column_table

Problem: postgres=# CREATE EXTENSION postgis; LOG: statement: CREATE EXTENSION postgis; ERROR: could not load library "/usr/lib/postgresql/9.5/lib/rtpostgis-2.3.so": /usr/lib/libgdal.so.1: undefined symbol: sqlite3_column_table_name` What I've…
tiblu
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Routing to subdirectory as new route with nGinx

Here is my current server block (below). I have a separate wordpress blog installed on /blog and need to route /blog to the directory "/home/forge/example.com/public/blog". I've tried a few options and at a loss so any advice is gratefully received.…
Lewis Boyles-White
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Give user permission to change IP address from static to DHCP and vice-versa

Let me start by saying I am somewhat of a Linux newb. I have inherited some basic Ubuntu systems to admin (Ubuntu 16.04). I have a couple users that need to plug their machines from the network to other (approved) devices as part of their…
ProAm500
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SSH port open and is allowed in firewall, still not able to login

I have an Ubuntu machine in VMWare infrastructure. It has got a public IP address to which I can ping easily. I have installed openssh-server and I can confirm that SSH daemon is running and port 22 is allowed in firewall as well. But still my…
serverstackqns
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set PGDATA to start postgres server automatically

I would like to have my PostgreSQL database start itself up. But currently need to run the following: Terminal 1: sudo su - posgresql cd /usr/lib/postgresql/9.6/bin/ ./postgres -D /usr/local/pgsql/data Terminal 2: $ sudo -u postgres psql I would…
Max
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Subdomains not working in nginx

I'm trying to setup a nginx web server with one domain and one subdomain (example.com and download.example.com). server { listen 80; listen [::]:80; root /var/www/html; index index.html index.htm index.nginx-debian.html; …
Jqmey
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Update Ubuntu VPS returns error

Please somebody help. I just purchased this VPS, installed Ubuntu-16 on it. Logged in as root user and issued apt-get update. I got the below error. What could be wrong. error log : Read-only file system) W: Problem unlinking the file…
ken4ward
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Can't connect to Vagrant Box (Debian 8) using port forwarding

I've been banging my head against this problem since yesterday, and figured it's time to phone some friends for help. I've read other similar answers on ServerFault, but they didn't help. I and my co-workers are able to connect to the JIRA server…
MikeyE
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MariaDB taking up 100-200% CPU

Server Specs RAM CPU STORAGE 80 GB 20 Cores 1536 GB SSD TRANSFER NETWORK IN NETWORK OUT 20 TB 40 Gbps 8000 Mbps This is the results from show status: show status: Aborted_clients 2 Aborted_connects …
Derek Pollard
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EC2 not booting because of mount - no logs

I have an EC2 hosted Ubuntu 16.04 server which doesn't boot. When I look at the logs in the Amazon console i only get a black screen. When I mount the disk to another server I have the following items in fstab: LABEL=cloudimg-rootfs / ext4 …
jdog
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New SSH Connection failed Google Cloud VM

I recently formatted my system, I thought better to create new SSH for login into the system from the Local system. Steps I followed : Remove all previous keys to VM leaving one Key, which is user_name. Tried connecting to In Browser SSH it…
twister_void
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IPv6 connection stops working over time

I have configured IPv6 for most of my servers, which are all running Ubuntu 16.04 LTS as Virtual Machine on VMWare ESXi 6.5, but after some time (sometimes a couple of hours, sometimes days) I need to reset the interface for it to work again. reset…
Sander
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