Ubuntu Servers :: Best Practice To Reboot Server Remotely?

May 23, 2011

I'm writing you to ask some help with administrating a server remotely.
I have a machine I use remotely when I have to travel, some time for quite long periods like from one to three months.
Last time it happened to me that after upgrading I send the reboot command
and the machine didn't turn down, so I couldn't be able to access it.
My question is: how can I avoid such situations?
Is there any best practice to follow?

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Ubuntu Servers :: Remotely Reboot Via Web Interface?

May 2, 2011

Is there any web interface that I can install to remotely reboot ubuntu? It would only be accessible via a VPN or on the LAN so not too much worry over security.

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Aug 2, 2010

If I can remotely reboot a server using SSH over CGI? I configure the client and server with keys to make ssh without password, and, on the terminal i can make "ssh root@server_ip reboot" and it reboot normally, but, I don't know how to do this on a CGI?

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Ubuntu Servers :: Set Up Server To Accses Remotely

Jul 31, 2010

i am wanting to install ubunru server edition on an older sony vio desktop to use as a server i can access remotely. i will be needing to however access this server remotely from a college i attend throughout parts of the year.

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Ubuntu Servers :: Remotely Restoring A Server Using An Image And The Dd Command?

Apr 18, 2010

I'm getting ready to deploy a Ubuntu server in a remote location. I am deathly afraid of something going horribly wrong though, so what I'd like to do is be able to somehow image the system when it's working, and be able to restore that remotely via SSH if things go to hell. My first thoughts were that I could partition the hard drive, and install two separate instances of Ubuntu. One would be the server in it's working state, and the other one would be a separate instance of Ubuntu that I could boot into to restore an image (if that's possible).

1. If I had two separate instances of Ubuntu on two separate partitions, and I was currently booted into one of them, would it be possible to tell the Ubuntu server to reboot and boot into the other instance of Ubuntu on the other partition over SSH? (SSH is the only form of access I will have to the server)

2. Is there a better way to remotely restore a server than what I outlined above?

3. Also, I've used the dd command to make backups before, but it copies an entire hard drive byte for byte. Is there an argument I can tag on, or another command to use altogether that will only copy the bits that are being used?

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Ubuntu Servers :: Anyway To Control Server Remotely / Without Any Impact On Performance

Sep 4, 2010

I run a dedicated specialty Quake 3 Arena Server.It currently runs a stock Debian 5.05. These are the hardware specifications.

256mb SD Ram
10gb Hard Drive
Intel Celeron

I think I should be getting more speed then I am.I would like to install Ubuntu Server.What version is the most stable, and will provide the best speed?I have to download my server files from the internet. Is this possible without the GUI?Is there anyway to control my server remotely, without any impact on performance, VNC is a huge impact.I want to run a mail server as well, is this possible with out a performance hit?

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Ubuntu Servers :: Common Practice To Mount Network Drive?

Jan 2, 2010

I have the following scenario:

- Server installed in wired network. The server has a static IP. It has Ubuntu Server 9.10 installed.

- I have two Ubuntu notebooks (Ubuntu Desktop 9.10) and I want them to connect (mount) to the server on bootup (fstab or equal) if the network is available.

- I don't want to store the password in cleartext in the fstab file. So what other options do I have? What would be the most common practice here?

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Mar 16, 2011

I would like to remotely reboot a computer (via ssh) to a non default kernel. If I just type reboot, it reboots to the default kernel. Man reboot(8) does not give any hint so I am not sure that is possible at all. I have found nothing googling around either.

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General :: How To Practice Setting Up Of NFS Server And NFS Client On A Laptop

Jul 18, 2011

I want to practice setting up of NFS server and NFS client on Redhat using virtual machine on my laptop. I dont think setting up NFS should not be a problem but how do I replicate a NFS client. I just have one laptop. Is it possible to replicate both server and client using the same laptop? If so, can anyone tell what tools i can use to perform the above for practicing.

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Ubuntu Servers :: /tmp Cleared On Server Reboot?

Jul 26, 2011

I installed 11.04 server and had samba share /tmp (as advised by the server pdf doc) shared to my windows 7 laptop, which was all well and good, so copied some files to it and rebooted the server, and they had been removed.i guess i shouldnt have put anything in /tmp as i presume this is cleared on reboot, so why did the documentation advise to create /tmp share?

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Ubuntu Servers :: VMWare Server Does Not Start After Reboot

Nov 30, 2010

Ok so I followed the instructions here [url] and this works great for the install however if the machine is rebooted the VMWare server refuses to start back up stating that it knows that its installed but it was not installed with the right installer.

This is on a Dell Server I can't remember the model right now but its got Dual PIII in it. I'm running Ubuntu Server 32bit 10.10 on the box as well. Thank you in advance for your assistance with this. Once I get this first server figured out I'll get my other one fired back up.

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Ubuntu Servers :: How To Start Automatically Vsftpd In Server After Reboot

Aug 5, 2010

how to start automatically vsftpd in my server after reboot?

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Ubuntu Servers :: 10.04 Server RAID5 LVM Failing After Reboot Due To It Using The /dev/sd* Designations

Dec 5, 2010

I'm a light linux user over the last couple of years and I decided to built a HTPC/NAS device.

Setup:
40gb ide -> usb boot drive
3x2tb sata (4k Sector) drives

I've got another 2tb identical drive but it's holding data that is going to be copied to the raid after it's up and running and then be 'grown' into the raid array to yield a final 5+tb array. I tried doing a disk util raid array and it ended up failing after reboot due to it using the /dev/sd* designations and they swapped. I have no idea how to do the UUID version, my googlefu and practical guide to ubuntu. So I decided to do it manually in order to also fix the sector issue as disk util wasn't formatting them correctly and once formatted wouldn't let me create a raid array from the discs.

[Code]....

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Fedora Servers :: Can't Reboot Or Shutdown Server

Feb 25, 2011

After a couple of days, some commands related to the disk (df) or files (ls) or killing process (kill -9) doesn't respond. Even I can't reboot or shutdown my server. After an hard reboot, some files are not here anymore or the log files are not filled anymore until I restart.My disk are behind the RAID controller i6 and are configure in RAID 1. The disks are two HP SCSI 72,8GB 10k RPM.Maybe I am totally wrong to check the disk access side, so I am open to other explanation.I can also add that my CPU is running under 1% et my RAM under 10%.

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CentOS 5 Server :: Way To Set Up Practice Server

Apr 9, 2009

I have just set up 5.3 from the 6 CD set with only 4 needed, and I wish to set up a practice server where I can load up my php, html, mysql etc files to learn about the web server side of things.As I have installed the Cd's how do I set this up and then access it to load my files. I do have it 'live' on a XP LAN.

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Ubuntu Servers :: How To Wake Up KVM Remotely

Feb 16, 2010

I have made a virtual machine on my server using virt-manager that I access using virt-viewer from my desktop/laptop. Currently I am having to leave the VM on all the time. Which is a waste of cpu/ram etc. Ideally I would like to be able to wake the vm up from virt-viewer or from a bash script being ran on my desktop.

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Ubuntu Servers :: Allow Single Folder To Be Accessed Remotely?

Apr 18, 2010

I recently set up a computer running Ubuntu 9.10 Desktop for use as a server, and successfully have it hosting game servers.I'm relatively new to Ubuntu, so I'm not sure how to go about this, but ideally I would like a user to be able to access a single folder on the server over the internet, and be able to upload and download files from it.It would be nice to set up multiple folders like this, so different people would have access to their own personal folder, but not anyone else's.

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Ubuntu Servers :: Can't Access MySQL Remotely Via PhpMyAdmin?

Jan 3, 2011

One server is a dedicated MySQL server. After upgrading that one to Ubuntu 10.04 (from an ancient Suse 9.2), both servers are running Ubuntu 10.04 LTS.I have another server that I use to administer the database server via phpMyAdmin. However since the upgrade it is not able to connect. I get an error #1130 Cannot log in to the MySQL server. The same happens if I try to connect remotely from the command line with: mysql -u root -h 129.79.137.121 -pI'm not sure if this is an iptables/ports problem or a configuration problem on the MySQL end or something else entirely.I've searched and tried the suggestions I've found in various places but none seems to have fixed it.

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Ubuntu Servers :: Apache Log And Remotely Access Desktop

Mar 9, 2011

I came back to see on the screen a message requesting remote desktop control. So I said no and went into remote desktop and said never allow connection. I had recently hosted a PHP app on the home pc for testing purposes using apache. Here are some of the last logs entries:

Code:
127.0.0.1 - - [08/Mar/2011:18:26:34 -0500] "POST /z3950search.php HTTP/1.1" 200 1731 "http://localhost/z3950search.php" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Ubuntu/10.10 (maverick) Firefox/3.6.15"
127.0.0.1 - - [08/Mar/2011:18:26:37 -0500] "GET /favicon.ico HTTP/1.1" 404 500 "-" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Ubuntu/10.10 (maverick) Firefox/3.6.15"
127.0.0.1 - - [08/Mar/2011:18:26:38 -0500] "GET /favicon.ico HTTP/1.1" 404 500 "-" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Ubuntu/10.10 (maverick) Firefox/3.6.15" .....

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Ubuntu Servers :: Loosing Abilitly To Remotely Connect?

Jul 22, 2011

System hostname Server Operating system Ubuntu Linux 11.04 Webmin version 1.550 Time on system Fri Jul 22 09:23:44 2011 Kernel and CPU Linux 2.6.38-10-generic on i686 Processor information Genuine Intel(R) CPU 2160 @ 1.80GHz, 2 cores

Every couple of hours I am unable to ssh or vnc in to my system or anything else. I can remote into another PC on my LAN and everything works fine. The only things that fixes the problem is restarting the system. Could someone point me in the right dirrection to start trouble shooting this problem? I am still learning where all the log files are and I am generally new to linux

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Ubuntu Servers :: Extending File System Partition Remotely?

Aug 24, 2010

I'm still pretty new to servers and ubuntu and have ran into something I could see being a problem in the future. On a dedicated remote server I have installed a web server using the "How To Forge - Perfect server set up for ubuntu 10.04 and ispconfig". I have a forum and email up and running and shoutcast radio and teamspeak3 servers also. We can also nx into it if need be. I can reformat the 1T hdd remotely from my provider control panel and ssh is installed at the same time and a new root password is sent via email. The thing is I now realise that by default the file system is written to a 10gig partition.

This might usually be ok but ispconfig uses the /var/www folder on the file system to house the forum I host and the partition is filling up. My mate I co rent with is talking about starting a parrot/bird owners forum and i might eventually like to have a gaming forum as well. I realise I should probably have set things up differently but like I said I am new at all this and tbh the home directories never going to have much in it so theres 900 gig doing nothing. So my question is can I use anything to enlarge that partition remotely? I know theres gparted on disc and all the articles I found say I need to use a disc which obviously is out of the question.

So what I think I need is some sort of partition magic for ubuntu. I would really like to expand it so all my current files etc on it would stay as is. I'm also currently looking into back up methods and wondered if that would be the way to go? Back up my file system and home directories and then reformat and make the partition larger? Or could I copy the entire www folder to a newly created folder in /home and re write the site enabled files to point to it? Would this work and if so what else would I need to edit?

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Ubuntu Servers :: Cannot Connect Remotely To Newly Installed Postgres

Dec 26, 2010

I keep getting this error trying to connect to newly installed postgres server on Amazon EC2 running Ubuntu Maverick Meerkat....
Could not connect to server: Operation timed out Is the server running on host "....ap-southeast-1.compute.amazonaws.com" and accepting TCP/IP connections on port 5432?

I've updated config files, as follows...
pg_hba.conf
added
host all all 124.168.242.0/24 trust
where 124.168.242.0 is the IP range of my ISP
postgresql.conf
listen_addresses = '*'
port = 5432
I am attempting to connect with pgAdmin 3 client. I don't think the problem is the client.

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Ubuntu Servers :: Connect To Serial Console And Check It Remotely?

Jan 18, 2011

I am trying to connect to serial console, local one, just to verify than it works, is is possible?Well, I configure serial console

Code:

# ttyS0 - getty
#
# This service maintains a getty on ttyS0 from the point the system is
# started until it is shut down again.

[code]...

It is started, now I am trying to connect to the console via minicom, is it possible from machine where the console is running?If not, how could I check it remotely?

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Ubuntu :: Remotely Wake On Lan - Remotely Turn On Computer

Jan 4, 2011

Does anyone know or recommend some software or a script to remotely power on a PC from standby to on, or even better from completely off?

I guess the completely OFF to ON is much more complicated - would probably require an extra piece of hardware(?)

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Fedora Servers :: Can't Login Remotely To Client Machines?

Jun 14, 2009

I am running NFS and NIS servers in my FC8. Clients are also running FC8. Everything was working fine. I could login remotely to server as well as clients. Suddenly (few days ago) a problem started. I can not login remotely to client machines. I did not do anything. I can login to server remotely, but not the client. When I try to login, it accept password and nothing happens. Also, when I try to login from server to client same thing happens. We share the home directory of the server with client. Another question: there two type of nfs server nfs-user-server and nfs-kernel-server. I just use gui to set up the NFS. I don't know which one I am running. Is there any way to find out which nfs I am running?

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Fedora Servers :: Can't Use Tftp \ Remotely It Doesn't Work?

Jul 29, 2009

Server: CentosClient: F11Remotely it doesn't work

Code:
tftp 10.0.0.2
tftp> status

[code]....

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Aug 22, 2011

Can a Fedora server be remotely managed with Plesk and/or Cpanel or only via SSH?

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Servers :: Install - Access It Remotely Via Ubuntu Desktop Environment Instead Of SSH Command Line?

Aug 5, 2011

Is there any way to install a Ubuntu server and access the server remotely via a Ubuntu desktop environment instead of a SSH command line?

I will be installing a Ubuntu server in an office where the office manager will need to be able to do simple things like add/remove users, access filesystems, etc. She can handle these tasks in Ubuntu desktop/GUI, but it is impractical for her to have to learn how to use the CLI terminal to do this stuff.

Will I have to install desktop Ubuntu on the server to do this, or can I install Ubuntu server version and setup another computer Ubuntu desktop to remotely login graphically?

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Networking :: Remotely Login To Remotely Display Data?

Jun 29, 2011

I'm not terribly new to Linux, but I am new to the forums, so hear me out! I am in the process of creating an electronic mapwall for our meteorology program, and have designed the computing system from scratch. I have two Linux Boxes, each with capabilities for 6 attached monitors...a total of 12 displays driven from two machines. My intention is to have one machine be the master...it has a touchpanel control. The inputs to the touchpanel will then trigger events for the both the master and the slave machine to display. Each of them has a specific IP address (DNS entry), and are not on a subnet.

Now...is there a way to remotely login to the slave machine and have it display on it's OWN monitors? The code is Java and which works on the master machine to animate directories of .gifs for each of the master's attached monitors. I will most likely have Java execute shell commands for the remote login (ssh), but I believe the answer lies somewhere in the X-configuration. Do I have the machines in an adverse configuration (creation of a subnet would be better)? Lots of questions...lots of desire...few answers!

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Fedora Servers :: Apache - Can't Acces Http Remotely But Https Works

Jan 17, 2010

I have 2 web server in my office : http and https. You will find attached the httpd.conf and ssl.conf. I can acces the https server from home, but not the http one.

What I did :
configure the router to forward port 80 to my fedora 11 machine
open port 80 with system-config-network
created a virtualhost

The same exact steps have been done for port 443

I can access both server locally but only the https server remotelly.

Here are my iptables :

Code:

you can try to acces my servers using [url]

I made httpd to listen to port 8080, and done all the port forwarding/opening stuf, and it works. so is it a bug ?

Finally found my error seams like turning off UseCanonicalName to off did the trick

I really think it's a bug now. It was definitively working last week, I just added content to the main host of my website, and now i can't acces it from port 80. If someone think it's not a bug or find someting missing/wrong in my conf file.

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