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Questions tagged [ubuntu-14.04]

Ubuntu 14.04, named "Trusty Tahr" was a Long Term Support release of Ubuntu Linux. It was released in April 2014, and reached end of life in April 2024. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

Ubuntu 14.04, named "Trusty Tahr" is a Long Term Support (LTS) release of Ubuntu Linux. LTS releases receive updates for 5 years and have available paid support from Canonical. The version number comes from the year and month of release (April of 2014).

1175 questions
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How do I auto-start docker containers at system boot?

What is a good way to automatically start docker containers when the system boots up? Is there a preferred way to do this on Ubuntu 14.04? I've used supervisord in the past to auto start web apps. But that doesn't feel like the right thing for…
Stefan Arentz
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Should I edit /etc/crontab or run crontab -e as root?

I'm setting up regular system maintenance tasks which have to run as root. I plan to use the flavour of cron which comes with Ubuntu 14.04 LTS as the default. I see the previous admin (who since left the company) edited /etc/crontab directly.…
marcv81
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How can I upgrade Python to 2.7.9 on Ubuntu 14.4?

Ubuntu 14.4 comes with Python 2.7.6 built-in, but I'd like to upgrade it to 2.7.9 (it has security features that I want). Is that even possible? If so, how can this be achieved?
moomima
  • 507
28
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5 answers

Does CURL cache requests?

This is a pretty long question, so bear with me. I wanted to stress my Akamai Server logged in from an AWS instance. So, I started running ab benchmark. However, they seemed ridiculously fast to download ~3 MB video files. Naturally I wanted to see…
Akshaya Shanbhogue
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23
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4 answers

Postfix : error: unsupported dictionary type: mysql

I've a problem w/ postfix problem: # tail -f /var/log/mail.err Aug 20 17:57:50 myserver postfix/smtpd[8243]: error: unsupported dictionary type: mysql Aug 20 17:57:50 myserver postfix/smtpd[8243]: error: unsupported dictionary type: mysql Aug 20…
flavio.troja
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22
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6 answers

Why is response time exploding when request frequency drops?

Correction: response time (%D) is μs not ms! 1 This doesn't change anything about the weirdness of this pattern but it means that it is practically way less devastating. Why is response time inversely correlated to request frequency? Shouldn't the…
Raffael
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19
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2 answers

How To Tune Apache on Ubuntu 14.04 Server

Currently on my Apache 2 (Apache 2.4.7 to be exact) on Ubuntu 14.04, I have this setting: /etc/apache2/mods-enabled/mpm_prefork.conf StartServers 20 MinSpareServers 100 MaxSpareServers…
ServerChecker
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How to avoid GRUB errors after running apt-get upgrade - Ubuntu

I'm running ubuntu 14.04 on an EC2. After running apt-get upgrade, I'm prompted with a screen that asks me to reinstall GRUB boot loader The GRUB boot loader was previously installed to a disk that is no longer present, or whose unique identifier…
Ofer Velich
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17
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2 answers

OCSP validation - unable to get local issuer certificate

I'm new to setup SSL from the scratch and did my first steps. I bought a SSL cert from RapidSSL for my domain and followed there steps to install the cert. In general the cert is valid and working on my webserver(nginx v1.4.6 - Ubuntu 14.04.1 LTS),…
kapale
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15
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10 answers

Get logstash version

How does one get the version of Logstash? root@elk:/usr/share/elasticsearch# bin/logstash --help bash: bin/logstash: No such file or directory I have Logstash running on my system. Also. root@elk:/# logstash -V bash: logstash: command not…
Karl Morrison
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14
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5 answers

error when running apt-get update on ubuntu 14

I am running ubuntu 14 on one of my servers. When I run sudo apt-get update, I get the error below. W: GPG error: http://cran.rstudio.com trusty/ Release: The following signatures were invalid: KEYEXPIRED 1445181253 KEYEXPIRED 1445181253…
ali haider
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getent passwd dosen't show users of LDAP server

I have made the LDAP authentification configurations and I try to authenticate to the LDAP server on Ubuntu 14.04 TLS. This is the file nsswitch.conf : # /etc/nsswitch.conf # # Example configuration of GNU Name Service Switch functionality. # If you…
Souad
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12
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Strongswan VPN tunnel between two AWS instances won't connect

I am trying to set up a VPN tunnel using StrongSwan 5.1.2 between two Amazon AWS EC2 instances running Ubuntu 14.04.2 LTS. Prior to using StrongSwan, I used open(libre)swan on an Amazon RedHat AMI, which worked fine. For some reason I can't even…
lobi
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12
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5 answers

What does it mean when Linux has no I/O scheduler

I have some virtual machines running Ubuntu cloud-based image 14.04-1 LTS version. I wanted to see the IO performance of different IO schedulers on the VM so I went to /sys/block//queue/scheduler on the guest OS to change the IO scheduler.…
Ha Son Hai
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12
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8 answers

How to auto-start unprivileged lxc containers?

On Ubuntu 14.04, I have created an unprivileged container that I can manually start and stop. But I would like this to start and stop along with the system. I have added the following to the container's configuration: lxc.start.auto =…
HRJ
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