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Questions tagged [ubuntu]

Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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1answer
82 views

What is the Ubuntu “tang” process

My Ubuntu 12.04 server is becoming periodically non-responsive. Upon recovery (while I'm running top) I see a bunch of processes named "tang". They aren't using a ton of resources (around 3% cpu), ...
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votes
2answers
389 views

How, with a mounted disk image, can I migrate a MySQL database to a new server?

One Ubuntu EC2 VPS is fried after an upgrade that went awry. I don't have the server live, but I have its disk mounted on another (Ubuntu EC2) VPS. How can I migrate the contents of a database on ...
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votes
1answer
174 views

Automatic configure permission of file to 777 after uploaded [closed]

I have my own server. When client uploaded a file to my server through FTP, the permission of the file uploaded is 755. It means if client uploaded a file to my server, client cannot modify the file ...
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votes
2answers
10k views

Apache2 : Xampp is not running

I have apache2 and Xampp both installed in my server now my problem is When i stop apache2 from /etc/init.d/apache2 stop and tried restart xampp like /opt/lampp/lampp restart i am getting the ...
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votes
2answers
319 views

ubuntu chown to var folder

help ! Accidentally changed permissions on all files in /var folder! gave sudo chown username:username -R /var now not able to login showing couldnt update .ICEauthority /var/lib/gdm/....
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votes
2answers
2k views

Ubuntu server keeps running out of memory

I have a VPS running Ubuntu 11.04 server, every week or so I have to reboot it as (I think) it's run out of memory. It has 256MB of RAM available and I've tried configuring Apache to run less RAM-...
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votes
1answer
1k views

how to open tcp port in ubuntu

I have a ubuntu server How can i open a port ? I have flushed the iptables and off'ed ufw Provide me steps how to open a tcp port
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votes
1answer
989 views

fclose() expects parameter 1 to be resource, boolean given

I have a ubuntu vps I am working on. And I am using the default /var/www/ domain, I am also hosting a SMF forum, None of the Packages are installing and such. I was just wondering what I should chown ...
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votes
5answers
471 views

Can't telnet a server from vps

i try to understand why i can't telnet this server 213.132.48.107 from any of my VPSs. Well this ip is for a mail server i don't own but our emails are not received by this server. when i checked the ...
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votes
1answer
862 views

Ubuntu Server IP address not listed in ifconfig

I am not sure why the command "ifconfig" did not show my IP address, but I was still able to reach other hosts in the same network. It happens too many times to me and I did try to search but no luck ...
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votes
1answer
304 views

Can't login into phpmyadmin but password is correct

I'm trying to login into my phpmyadmin but it keeps redirecting me back to the login page. My username password should still be correct becuase my website is still functioning and I can even login to ...
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votes
1answer
714 views

Postfix - Allow emails to virtual domains but block spam?

My Postfix is set up with virtual domains. This allows people to send an email to *@mydomain.com and it'll be forwarded to my gmail account. Basically the end goal is to simply allow people to email ...
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votes
1answer
2k views

How to install Horde Webmail on Ubuntu 14.04? [closed]

Am using Ubuntu 14.04. Am stuck with the following issue: My goal is to install and have running HORDER GROUPWARE 5.2 on my Domain/Hosting: Download on Github: https:// github .com/horde/horde/...
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votes
1answer
23 views

VMWare device mapper size smaller than parition size

I am trying to understand what is going on with my VMWare instance. I have had 50GB partition that I extended to 150GB and resized the partition. However, the partition still shows that it only has ...
-4
votes
1answer
139 views

My Ubuntu webserver serves the wrong content [closed]

We host our website in an internal physical server, we are using Ubuntu Server 16.10. The website actually is not reachable via domain name or public IP address, but I can reach it when I use local ...
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votes
2answers
570 views

Easier than bind dns for ubuntu [closed]

I'm looking for a simple to use DNS server for my network, I wanna be able to define a set of domains and point them to different IPS within the network. What is an easy solution I could use, I ...
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votes
1answer
70 views

Restrict users to send emails only from a particular IP address to reduce SPAM [duplicate]

How to restrict people to send emails from my email domain to reduce SPAM. We are using postfix in ubuntu. Is there any parameter which I can configure in main.cf to achieve this? Any help will be ...
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votes
5answers
3k views

How to redirect traffic from port 80 to port 8080

Currently, in a local system there is Apache Tomcat on port 8080 and Apache 2 on port 80. I'm unable to start both the servers at the same time. We need to stop apache2 to have tomcat running in the ...
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votes
4answers
398 views

Setup web terminal access in case ssh crashes [closed]

I would like to setup my Ubuntu 12.04 LTS Server for a backdoor in case ssh crashes. I would simply connect to the server and restart ssh manually but this is not possible. Contacting the system ...
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votes
1answer
229 views

Hijack DNS on my local Ubuntu machine? [closed]

How can I hijack a DNS entry for an domain name on Linux (Ubuntu 12.04)? I am interested in creating a DNS CNAME alias for domain1.com to domain2.test.com. The problem is the applications uses 5 ...
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votes
1answer
119 views

mysql Error 2002 - unable to connect to local mysql server [closed]

I tried connect to mysql locally. after using mysql --username='*****' --password='*****' A message displayed like: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/...
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votes
2answers
145 views

Good virtualization solution on Ubuntu server 11.10? [closed]

I want to virtualize several linux servers on one physical machine running Ubuntu Server 11.10 for development, are there any free solutions?
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votes
1answer
59 views

Rename and replace parts with different filenames [closed]

I know there are different questions about this topic but I have found nothing that fits my question: I want to replace a part of a name in a folder but there are different files with different names....
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votes
1answer
38 views

Linux Ubuntu Files behind the mount [closed]

root@host:~# mkdir -p /tmp/test root@host:~# echo "test" >> /tmp/test/file.txt root@host:~# mount /dev/xy /tmp/test/ How can I now access file.txt without unmount /dev/xy?
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votes
1answer
450 views

Faking CPU architecture on Debian [closed]

I have a server which uses the armhf (armv7l, Cortex A9 ARMv7 to be precise) CPU architecture. I've been trying to install a certain package on it, but that doesn't work. First off, APT mentioned it ...
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votes
3answers
226 views

Ubuntu 12.4 VM Change Static IP [closed]

I am wondering if you have the option to change the static IP on a Ubuntu VM or if you should just spin a new virtual machine up? Has anyone out there every attempted this?
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votes
1answer
2k views

how to configure ISCSI fault tolerance in ubuntu 12.04 [closed]

how to configure ISCSI fault tolerance in ubuntu 12.04 Anyone has a tutorial or steps to?! thanks in advance knowing that initiator and server are ubuntu
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votes
1answer
114 views

KNow nothing about ssl , how to setup apache to run with ssl? [closed]

I have an ubuntu server with apache installed i run a game on the server and want to integrate it to facebook but it is required to be through HTTPS :s how can i move the game to run on https ? i ...
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votes
1answer
448 views

Install a file system?

I'm following the guide here to making an EBS volume available for use. I use the cmd: lsblk I get the output: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 8G 0 disk └─xvda1 ...
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votes
2answers
1k views

Stop all websites from sending emails

I have Ubuntu Server set up on a machine. I have Virtualmin installed to manage my websites. The idea is that 2-3 of them use open source platforms like Wordpress and I didn't had time to update ...
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votes
1answer
2k views

How to open Port 443 on External Firewall? [closed]

I've been trying to configure SSL on my server for last 4 days now, with absolutely no success. I've generated a CSR file and uploaded the certificate and configured a Vhost, but nothing seems to work....
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votes
1answer
397 views

Ubuntu insufficient disk space [closed]

I am getting an insufficient disk space error, here is my df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 29G 28G 31M 100% / none 4.0K 0 4.0K 0% /sys/fs/...
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votes
1answer
148 views

how can I change /var permissions back? [duplicate]

I gave a 0777 permissions to /var (I didn't know back then that it's a really bad thing to do) I did this while in /var : chmod -R 0777 * after I did this postgresql fails to restart everytime. my ...
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votes
1answer
404 views

How to host multiple websites on one server…with one public IP…with Apache [closed]

I am a new to the server world, and I need some assistance setting one up. Here is my question: How can I host multiple websites on one server...with one public IP address...with Apache, without ...
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votes
1answer
195 views

I Could not print an output in PHP using (HP Deskjet F380) in ubuntu [closed]

I could not give print to HP Deskjet F380 printer in PHP coding. I tried this require_once(PrintIPP.php); $ipp = new PrintIPP(); $ipp->setHost("localhost"); $ipp->setPrinterURI("/printers/...
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votes
1answer
49 views

ESXi license expired and broke my ubuntu install [closed]

I got my own ESXi server hosted at Hetzner, with some webpages etc. I was unable to access the sites, so I went into the ESXi mangement panel and can see that all my VMs were offline and I got a ...
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votes
1answer
814 views

Customize Welcome Message when linux user's login by ssh

I want to print message when user login to linux using ssh like this message (welcome Mr john_097968) where john is username and 097968 is UID Number . so how can I do that using links terminal
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votes
2answers
68 views

How to manage PING replies? [closed]

How can I manage, for example, my Ubuntu mashine so it doesn't (or does) respond to PING(ICMP ECHO_REQUEST - type 8) requests? Normally almost all computers in a LAN network responds to ping with an ...
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votes
2answers
533 views

Don't work ssh in a VM Centos [closed]

When I tried to connect my Ubuntu 13.10 to my VM Centos 6.5 using ssh appear the message "Connection refused" or "No route to host" even than I change the port, noting change. I need to use SSH, VPN ...
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votes
1answer
55 views

Single machine server with many operating systems [closed]

Could possibly with single one high end Server with supported Virtualization We can have: - DHCP Server (Virtual Machine 1), - Firewall (Virtual Machine 2), - Squid proxy (Virtual Machine 3) - ...
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votes
2answers
98 views

ip to server communication options [closed]

There are situations, particularly within the web, where an http request is sent from the browser to the server. Yet there are no name-based virtual hosts to handle the ip/port number that was ...
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votes
1answer
71 views

How do I run a downloaded file in Ubuntu [closed]

My server was running plesk 11, but I removed some of the plesk packages by mistake when i tried to install postfix as i wanted to fix problems that i was having with emails. So now I am attempting ...
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votes
3answers
86 views

grep only returns help text [closed]

Well, I am perplexed. I am working with an Ubuntu server and I type in grep 'bash' *.sh BUT fgrep 'bash' *.sh works like a champ. which grep and which fgrep both point to their respective ...
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votes
2answers
489 views

Postfix SMTP server issue

So I have an Ubuntu Linux box machine for my website. (not ran locally at home, it is a public linux box). But for some strange reason I can only send Email from my home machine to this box in outlook....
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votes
1answer
104 views

Installed the Zimbra on server [closed]

Following the tutorials of the how to install the Zimbra Mail Server. I don't I can the access the browser to continue the installation. What do I do ? The Hosts I configured to mail.mydomain.com. Don'...
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votes
2answers
272 views

windows server 2008 vs ubuntu 11 [closed]

I am working on implementing a custom server application that should be capable of handling a very large volume of traffic. I am aware that this type of question has been asked a lot, but I haven't ...
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votes
1answer
45 views

Windows Ubuntu servers VMs on the same server [closed]

I'm trying to have a normal workstation (windows) and Ubuntu servers on the same computer. The problem is that Ubuntu servers must not run on top of Windows (as a VirtualBox VM) for security reasons (...
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votes
1answer
202 views

How can i add a second drive to nginx server? [closed]

I have a server having two drives each of 2TB. First drive is mounted to "root" (which is called "/") and the second drive is mounted to /mnt/disk1. I am serving my files from first hard drive at ...
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votes
2answers
44 views

How to upgrade mysql 5.5.46 to 5.5.50 in ubuntu?

I am using mysql-community server in my ubuntu server (mysql Ver 14.14 Distrib 5.5.46, for debian-linux-gnu (x86_64)). During our recent vulnerability scan we got so many suggestion to apply CVE-2016-...
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votes
1answer
492 views

Bare Metal Provisioning [closed]

For bare metal provisioning of: VMWare ESXi Ubuntu CentOS Are Ubuntu MAAS and Spacewalk the only Open Source options for bare metal provisioning or are there other non-proprietary options? The ...