Ubuntu 12.04, named "Precise Pangolin" is 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 2012).

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1answer
18 views

Apache and php5 fail on ubuntu server

I update a PHP 5.5.28-1+deb.sury.org~precise+1 (cli) and have apache Apache/2.2.22 but when run a restart apache2 apache2: Syntax error on line 216 of /etc/apache2/apache2.conf: Syntax error on ...
2
votes
0answers
29 views

Error trying to install any package on Ubuntu 12.04

after: apt-get install curl I get: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The ...
1
vote
0answers
15 views

If XEN can convert my installed OS to guest OS? [closed]

Need to run multiple OS (Windows 7, Ubuntu 14.04, 12.04). Never use XEN before. Just want to check: Does XEN have to be installed on top of some OS? Can it be installed directory on a fresh computer ...
0
votes
1answer
25 views

why is are there dns host names in my iptables entries? (fail2ban)

I recently installed fail2ban which has begun blocking bad ssh attempts. I also set up an additional filter to permanently ban repeat offenders. I notice now that there are some entries in my ...
0
votes
1answer
41 views

Strange symbols in /var/log/auth.log

I just installed fail2ban after realizing that there were tenthousands of attempts to log into one of our servers over SSH. After installing fail2ban, the log bloat stopped, but I still wanted to ...
0
votes
1answer
29 views

Installed KVM, but Virtual Machine Manager says localhost(QEMU)

My understanding is that KVM uses the CPU virtualization properties and is much faster than QEMU, which is emulation. I used the Virtual Machine Manager to create the virtual machine. I am nearly ...
2
votes
1answer
39 views

Bind9 recursive queries have intermittent very long response times

I'm running BIND 9.8.1-P1 caching server on Ubuntu 12.04 LTS on kernel 3.2.0-86-generic-pae. I've been banging my head against the wall trying to figure this out for weeks and I just have no idea ...
-1
votes
1answer
23 views

Apache2 new VirtualHost entry can not find server - DNS issue?

I'm using Apache2 on Ubuntu 12.04.5 LTS server. Server is my company (work) server and has a public IP, moreover, it hosts about 5 different pages which are available worldwide, I mean, on the ...
0
votes
0answers
23 views

Real-time Filesystem Replication between 2 NAS and ubuntu 12.04.3

I have two 16TB NAS setup and are mounted on one server. What is the best way to implement real-time file replication of write to 1 NAS to the second NAS. I can mount the 2 NAS in one server but I'm ...
0
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0answers
19 views

syslog-ng module with restriction

I have a syslog-ng and I also have another log collector wherein all the auth logs with filter is forwarded. On those servers I have this configuration on /etc/rsyslog.d/my.conf :msg, contains, ...
1
vote
0answers
41 views

Ubuntu 12.04 Router Firewall TTFB Delay

I use Ubuntu Server as my router/firewall for my network for a number of reasons. Until recently, I was using 10.04 with great success for this purpose. The OS provides DNS lookup and DHCP using ...
0
votes
0answers
20 views

group permissions on directory being ignored for user

It seems that there is a Linux user (on an Ubuntu 12.04.4 server) who is unable to access a shared directory, even though that user belongs to the group which owns the directory. Here is an example ...
0
votes
0answers
77 views

X2GO Windows client kex error

I want to install X2Go with gnome on my Ubuntu 12.04 server (fresh install). After install I can't connect from Windows (X2Go Client) to this server. I have error: kex error: no match for method ...
0
votes
0answers
27 views

not able to create openvpn tunnel for two interface host

I am new to openvpn. I try to create openvpn tunnel between two hosts. Both hosts have two interfaces. Say eth0 and eth1. So I created two config files, server.conf, server1.conf. At client side, ...
0
votes
0answers
35 views

Inconsistent “unable to open database file” error from a CGI program using SQLite

I've been running a task program for a psychology experiment on my virtual private server with lighttpd 1.4.28 and Ubuntu 12.04. The experiment is a CGI program written in Perl using a Perl module I ...
0
votes
1answer
22 views

PHP-FPM on Linux, SCHED_BATCH or SCHED_OTHER?

I have a Linux webserver (Ubuntu 12.04, kernel 3.2.0) running Magento with quite a number of PHP-FPM child processes. Since Magento is a heavy framework, I often see several child processes to baloon ...
2
votes
1answer
175 views

apt-get unmet dependecies, traditional solutions not working

The problem Taking any action that will change installed packages on my Ubuntu 12.04 LTS server (remove, install, purge, etc.) fails with: Reading package lists... Building dependency tree... ...
0
votes
0answers
56 views

High CPU usage for Apache server on Ubuntu

Wondering if anyone know's why the processes below are taking up some much CPU resources on my Ubuntu apache server. 100% /usr/sbin/acpi 71% /usr/local/apa 68% /sbin/syslogd 66% /usr/sbin/cron 59% ...
3
votes
2answers
244 views

Sendmail down on Ubuntu 12.04 after update, SSL related?

I posted this on askubuntu.com yesterday but haven't gotten any responses. We run a production Ubuntu server that serves thousands of people per day. Sendmail is currently not working on this server. ...
0
votes
1answer
62 views

Ubuntu 12.04 LUKS/dmcrypt disk to disk copy freezes

I have 2 external USB hard drives encrypted with LUKS in Ubuntu 12.04. Generally, the both drives are very slow with LUKS/dmcrypt, e.g. 7 MB/s for both read/write, but I could live with this. ...
0
votes
2answers
35 views

Apache on Ubuntu 12.04: How to find what causes folder to appear under /var/www [duplicate]

I noticed that a folder with the name of a website I removed keeps appearing under /var/www. I checked and it is created by www-data. I suspect that it's something malicious. How can I find out what ...
1
vote
0answers
71 views

SSH Passwords are working using IP address, but not when using the server name [closed]

We recently rebuilt one of our servers using Ubuntu 12.04 LTS and experienced something we haven't seen before. When we attempt to ssh into the box, we are able to ssh into the box if we use the ip ...
0
votes
0answers
60 views

Ubuntu 12.04 and Hardware RAID 5 and LVM

I have an existing database server setup with RAID5 (3pcs 1 TB disk - usable is 2TB). One of its partition is /data is LVM. There is production data already in the First RAID 5 so we opted to create ...
0
votes
1answer
27 views

Apache2 DocumentRoot does not exist

I was using Apache2 with /var/www/site and all was working well. We started using proFTPD and we releasised we need to move the sites insie the home directory. Note: Home directory was not there was ...
1
vote
0answers
133 views

Can't ping ubuntu server after reboot. Where to look for possible problems?

After restarting my Ubuntu Server I can't ping it. My hosting (Herzner) allows to boot server with rescue system, so I can access file system and try to fix it. The questions is, where to look for ...
0
votes
0answers
89 views

what is cause of high system CPU usage(%sy)

I am trying to find cause of high load , I am having high load every 30 minutes in Ubuntu 12.04 server system , I have Zpanel Installed on it and It have some web applications running Here in Image ...
0
votes
0answers
129 views

AWS SSH Session getting closed by Server intermittently

I have connected to the AWS EC2 Ubuntu instance using putty on Windows 7(ppk authentication). Most of the time I'm getting this message on putty: Network error: Software caused connection abort. But ...
2
votes
0answers
99 views

LDAP Not working for SSH connections on ubuntu 12.04

Connecting from the client to the server: $ ssh -vvv user@10.0.50.170 OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011 debug1: Reading configuration data /etc/ssh_config debug1: /etc/ssh_config line 20: ...
1
vote
1answer
54 views

nginx: Trouble after upgrade to newer version

I have upgraded my nginx server from 1.1.19 to 1.8.0 using this tutorial. My website is still working. So I thought, that everything was ok. I have made a google pagespeed test, and showed me that ...
3
votes
5answers
118 views

Should I enable automatic security updates on a Ubuntu server? [closed]

I can't seem to find an agreed answer on this anywhere, so I figured I'd ask it myself. I have five Ubuntu servers running either 12.04 or 14.04, should I enable automatic security updates on these ...
0
votes
0answers
49 views

Disabling HyperV integration services on Ubuntu 12.04

I'd enabled the integration services for hyper-v on Ubuntu 12.04 but started to see big problems especially with the block storage module (hv_blkvsc) I'd enabled it by adding the modules to ...
1
vote
1answer
84 views

Apache 2.2 / MySQL Overload of Ubuntu Server

I've run into a problem and I just can't seem to figure out how to solve it; I have a regular Ubuntu 12.04 Server with apache 2.2 running a website. Every now and then the server overloads and starts ...
1
vote
1answer
533 views

Postfix aliases db: No such file or directory

I am trying to use a postfix on a local Ubuntu 12.04 with ZoneMinder. I installed from Ubuntu Desktop the Postfix package and its dependency. Now if I try to send email with following command it ...
8
votes
2answers
501 views

Prevent Apache from starting after apt-get install

When I apt-get install apache2 the server starts automatically when install completes, and the default Apache configuration makes everything in /var/www/ accessible to the client side. Thus if I have ...
1
vote
2answers
108 views

Ubuntu 12.04 unmet dependency error

I am getting the following unmet dependency issue with Ubuntu 12.04 this happened after the /boot got filled up and had to remove some of the old kernel packages manually. There are no external ...
1
vote
0answers
24 views

ubuntu 12.04 ruby1.8 depends on libreadline5 which does not exist any more?

I just built a new 12.04 ubuntu box and tried to install puppet package. This failed because it could not load ruby1.8. After some fiddling around I tracked the issue down to the fact that the ...
0
votes
2answers
62 views

Server migration and DNS propagation

We're moving our store to a new server with a new IP address and I'm trying to determine if there is a way to minimize the number of users who still "see" our old site during DNS propagation. Right ...
0
votes
1answer
209 views

Ubuntu 12.04.5 is installing Apache 2.4 not 2.2

I have a VPS running Ubuntu 12.04.5, lsb_release -a output: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04.5 LTS Release: 12.04 Codename: precise ...
0
votes
1answer
180 views

Iptables block layer 7 DDoS attacks

Recently I've been experiencing lots of layer 7 ddos attacks to my website. Specifically an HTTP GET request flood on the index page. (~20k r/s), my server is at OVH, so it's not overloading the pipe, ...
2
votes
2answers
2k views

How to install build-essential on Ubuntu 12.04? (gcc and g++ dependency issues)

I have just installed Ubuntu server 12.04 LTS. I am trying to install build-essential package; however, when I try to install it I receive the following error: Some packages could not be installed. ...
1
vote
0answers
73 views

Need to add new hdd on existing ubuntu server 12.04 [closed]

I'm having Ubuntu server 12.04LTS as my local with 500GB HDD. Now I added one more 500GB with this. But, I can't able to find the new one in /media. While trying with sudo fdisk -l I got this. ...
1
vote
0answers
142 views

sshd croaks daily with “invalid open call: O_CREAT without mode”

One of my servers has daily issues. When I log in via SSH or SFTP, I get the error below. When restoring it via a remote console, I need to purge and reinstall openssh-server. This is not enough, I ...
1
vote
0answers
58 views

TLS server extension

We have an Ubuntu 12.04 server with Tomcat and Nginx webservers on it to serve two different portals. Tomcat is serving on 443 port and Nginx is serving on 8443 port. And this server got latest ...
2
votes
1answer
76 views

Can't run binary executable on Ubuntu 12.04

I get the following error: ./cataclysm: command not found when trying to run this executable on a Linux server over SSH. when I run ldd cataclysm, I get: linux-gate.so.1 => (0xf7759000) ...
1
vote
0answers
55 views

how to filter sar -d disk output tidily

sar -D output-I would like a suitable command to run alongside stress -hdd but this is the output which sar -D 1 10 gives. I have filtered it using both awk |'NR > 1 {printf ...
0
votes
1answer
135 views

Apache starts up with high memory usage. Why?

My apache is starting up with high memory usage right away. After a reboot or a restart I'm seeing these kinds of number top - 15:37:59 up 22 min, 1 user, load average: 0.12, 0.09, 0.12 Tasks: ...
-2
votes
1answer
141 views

Import MySQL Database : No such file or directory

Im am trying to get the following script to import a database. Every time I run the script I get a mysql -u username -pmypassword my_database < /var/hostdata/databases/my_database.sql -bash: ...
0
votes
4answers
694 views

Permissions set to 555. How can another user modify the files? [duplicate]

I run an Ubuntu 12.04 x64 VPS with Vesta, and a site in PHP. It has been hacked several times with injected code that looks like this: <?php ...
8
votes
5answers
562 views

High load due to I/O wait in Ubuntu 12.04 on EC2 instance

I am using Ubuntu server 12.04 , having trouble finding cause of load, I have seen change in response time of server from past week after reading Linux Troubleshooting, Part I: High Load It seems ...
0
votes
1answer
42 views

Does auth.log store mysql log in attempts?

Im seeing a few root login entries in the auth.log in one of our database servers but I dont know if these are applications logging in to our database, or ssh log ins. FWIW We are rotating our ...