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• Can't connect to wi-fi hotspot in Ubuntu 11.10

  - by ht3t

  I'm new to Ubuntu. I'm having a wireless network problem in Ubuntu 11.10. I made a hotspot using Connectify from a computer which is running Windows 7. I can access it in Windows 7 but not in Ubuntu 11.10. Every time I access it,I get a message "disconnected". I'm using msi fx 400 notebook with Intel Centrino wireless -N 1000 wireless card. Ubuntu version is 11.10 with KDE desktop. $ sudo lshw -c network [sudo] password for ht3t: *-network description: Wireless interface product: Centrino Wireless-N 1000 vendor: Intel Corporation physical id: 0 bus info: pci@0000:06:00.0 logical name: wlan0 version: 00 serial: 00:26:c7:56:b8:f0 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-12-generic firmware=39.31.5.1 build 35138 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:44 memory:e7400000-e7401fff *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:07:00.0 logical name: eth0 version: 06 serial: 40:61:86:b6:b1:a2 size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168e-2.fw IP=192.168.21.107 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:41 ioport:9000(size=256) memory:e6004000-e6004fff memory:e6000000-e6003fff I can't do anything without internet connection. How can I fix this?

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• Incoming traffic while on public network

  - by zvikico

  I'm developing a web app and I need to be able to get incoming traffic from 3rd party services I use. This is a classic webhooks situation: I send a request with a return address and receive the response (via HTTP) some time later to the given address. The simple solution would be to provide my external IP address and forward the incoming traffic from the router to my machine. However, I'm working in a large office and I cannot control the router configuration. I'm looking for a different way to achieve that. I do have servers online. I can have a daemon running on one of those servers, which will handle the incoming traffic. I can run a parallel daemon on my machine, which will keep an open connection with the remote daemon (over ssh preferred) and when an inbound traffic is received by the remote, it will send it to the local, which will send it to the correct port on my machine, as if it was received in the natural way. Is there any ready-made solution for that? PS. I'm on OS X and my server is Ubuntu. Thanks, zvikico

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• Windows 7 computer apparently connected to working wireless network but can't access router page or internet

  - by Hemmer

  I can consistently connect successfully to both the router and the internet using both my phone and two different computers which strongly suggests that the issue is at the desktop end. Only my Windows 7 desktop machine has stopped getting internet connectivity. It manages to connect to the router's network using the Windows 7 wireless dialog, but can't access either the router configuration page (192.168.1.1) or the internet in general once connected. The strange thing is the wireless network icon in the notification bar shows a full strength signal, sometimes with the yellow warning triangle. The output of ipconfig /all is: Wireless LAN adapter Wireless Network Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Broadcom 802.11g Network Adapter Physical Address. . . . . . . . . : 00-12-17-94-98-90 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 192.168.1.102(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 08 June 2011 10:32:16 Lease Expires . . . . . . . . . . : 08 June 2011 12:32:16 Default Gateway . . . . . . . . . : 192.168.1.1 DHCP Server . . . . . . . . . . . : 192.168.1.1 DNS Servers . . . . . . . . . . . : 194.168.4.100 194.168.8.100 NetBIOS over Tcpip. . . . . . . . : Enabled I've tried renewing DCHP settings disabling IPv6 resetting TCP stack uninstalling and reinstalling WLAN card drivers I've not installed anything new or made any changes to my knowledge, this just happened out of the blue. The only possible change is my friend connected his macbook to the network, but that has gone now and shouldn't have any lasting effects? TCP/IPv4 is set to automatically find an IP address. Antivirus is MSE (up to date) and doesn't detect anything unusual. Any ideas where to go next? Any help is greatly appreciated. For reference, the results of ipconfig /all on one of the working computers is: Ethernet adapter Wireless Network Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Broadcom 802.11g Network Adapter Physical Address. . . . . . . . . : 00-16-CF-67-E5-97 Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 192.168.1.100 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.1 DHCP Server . . . . . . . . . . . : 192.168.1.1 DNS Servers . . . . . . . . . . . : 194.168.4.100 194.168.8.100 Lease Obtained. . . . . . . . . . : 08 June 2011 10:26:38 Lease Expires . . . . . . . . . . : 08 June 2011 12:26:38 UPDATE: Still not working, but I've managed to find a temporary workaround by tethering my Android phone, effectively becoming a new wifi adapter. Will be moving to a new flat so will test if it is a network specific thing - maybe the card has got damaged somehow? Also will see if the card is working with Linux soon.

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• unmanaged VPS account; Beginners questions

  - by pesar2

  I have a classified website which uses MySQL, PHP, Solr (java) etc etc... I wonder where I should start after purchasing a VPS package from my provider. There are first of all several packages, I am going with Linux because as far as I know it is the most stable system. But I have never used Linux before! What is Ubuntu, and which version of it should I get? Whats 64bit Ubuntu then? How do I install php, javascript, mysql, java and all that? What is debian, do I need it? What is apache, do I need that? And most importantly, what applications do I need, that I must have? (I mean applications which a beginner would never know was needed, what do you recommend?) After getting the vps, how do I even access it? Do I type in some kind of IP into the browser? Or is it by ftp program? How do I access the so called "terminal"? Please guide me, I am completely new to Linux and VPS! Thanks

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• Virtual machine shows no network adapter

  - by Logman

  I had a an old Lotus/Domino server (R5), I just virtualized. It ran Windows 2000 server. I had to use Vmware Converter v3.x to create the vm because it was the only one I could find that could actually do a Win2k machine that had no service packs. It was just put out to pasture a couple months ago, so it isn't being used except to store the old email for archiving. It took a bit of work to get it onto the Win2008R2 servers hyper-v but I got it there. Problem now, is that the network adapter didn't show up. I could not install the guest additions because it needed sp4 + on win2k... so I installed sp4 onto the vm guest. Everything seems fine except the network adapter still isn;t showing up in device manager. NOthing. Now this server had an external ip, and I did not want it to be put onto the internal virtual network. I am going to use a dedicated adapter on the host (hyper-v server) if that matters... but this shouldn't matter if the the guests network adapter doesn't show at all. Thoughts?

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• Printer irregularly producing garbage output

  - by John Gardeniers

  Every now and then instead of getting the proper output we get numerous pages, mostly with just a single line, of output which appears to be the raw PCL. My theory is that this happens when the first byte or two of the document is somehow not received by the printer, which then doesn't know how to interpret the rest and does it's best by spitting it out as text. This is a problem I've seen many times over the years but has been popping up more often since we upgraded to Win 7 64 bit, which introduced a number of headaches because of the HP lack of real support for 64 bits. It also appears to happen most often when printing PDF files. We have tried several different PDF readers in addition to Adobe's own but that hasn't helped. While we mainly use HP printers, and the problem is not limited to any particular model, I've also seen it happen on other brands, albeit to a lesser extent. I've also been unable to discern a difference between printers used via a print server or those connected directly by IP address. It also happens to USB attached printers. Because of the erratic nature of this problem there is precious little I can think of to try and debug it, so I'm after any ideas that might help to eliminate it.

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• What Logs / Process Stats to monitor on a Ubuntu FTP server?

  - by Adam Salkin

  I am administering a server with Ubuntu Server which is running pureFTP. So far all is well, but I would like to know what I should be monitoring so that I can spot any potential stability and security issues. I'm not looking for sophisticated software, more an idea of what logs and process statistics are most useful for checking on the health of the system. I'm thinking that I can look at various parameters output from the "ps" command and compare to see if I have things like memory leaks. But I would like to know what experienced admins do. Also, how do I do a disk check so that when I reboot, I don't get a message saying something like "disk not checked for x days, forcing check" which delays the reboot? I assume there is command that I can run as a cron job late at night. How often should it be run? What things should I be looking at to spot intrusion attempts? The only shell access is SSH on a non-standard port through UFW firewall, and I regularly do a grep on auth.log for "Fail" or "Invalid". Is there anything else I should look at? I was logging the firewall (UFW) but I have very few open ports (FTP and SSH on a non standard port) so looking at lists of IP's that have been blocked did not seem useful. Many thanks

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• cannot connect to my nginx server from remote machine

  - by margincall

  I thought that it's iptables problem.. but it seems not. I really have no idea about this situation. I'm getting a server hosting(CentOS). I installed Nginx + Django and nginx uses 8080 port. A domain is connected to the server. When I executed "wget [domain]:8080/[app name]/" in the server, it worked. Of course, "wget 127.0.0.1:8080/[app name]/" has no problem. (wget [server ip]:8080/[app name]/, either) However, from other computers, connecting was failed. (message says, no route) I checked my firewall setting. I excuted these commands. iptables -I INPUT -p tcp --dport 8080 -j ACCEPT iptables -I OUTPUT -p tcp --sport 8080 -j ACCEPT iptables -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT /etc/init.d/iptables restart I don't really understand all options of commands and I think there were useless commands, but I just tried all googled iptables settings. But still I cannot connect to my server. What should I check, first? I don't know this is important, but add to this post. On 80 port, an apache server is running. It works fine, I can connect to apache from other computers. There is DB connecting issue, (PHP to MySQL) but I think that it is just PHP coding bug. please excuse my low-level English. I'm not native English speaker.. but I tried to explane well as far as possible. Thank you for reading this question.

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• Setting up a server that routes local traffic through vpn, while still being able to access internet directly

  - by Kazuo

  The goal is to setup a local server that routes local traffic through an uncontrolled remote vpn service while still being able to access the internet directly (not tunneled via vpn) and provide services through that direct connection. It is supposed to look like this: http://i.stack.imgur.com/74dGC.png Note: There is another router with modem between the local server and the internet. What is the easiest (best?) way to get this network setup working? I'm planning to setup the connection between the local router and the local server with simple ip forwarding. The problem now is that all the server's traffic is routed through the vpn tunnel as soon as I connect the server's openvpn client to the remote service so there is no direct internet connection available. My first idea was to setup a virtual machine (lxc container or something) and run the vpn client and local networking stuff in the vm. So that the vm receives all the incoming traffic from the local router and tunnels it through the vpn. This, as far as I understand, should not affect the physical server's network connection and should allow it to provide services to the internet. Before I start trying to set this up (I don't have much experience in networking), is there any easier or better way to do this? I would be thankful for every suggestion. Edit: Let's say the interface connected to the internet is eth0 and the interface connected to the local router is eth1. Another idea would be to create a virtual interface eth0:0 and specifiy it as openvpn's local endpoint and then force any traffic coming from eth1 through eth0:0. I'm not sure how I would force the traffic through eth0:0, though (possibly by adding routes).

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• Monitoring Between EC2 Regions

  - by ABrown

  I'm working on a small EC2 project that involves a handful of servers in two different regions (US East and EU West). My first task is to implement a Nagios monitoring solution. Monitoring within a region is simple - I just use the private domain names/IPs, but I'm a little unsure of the best way to handle monitoring the second region without setting up a second Nagios install. The environment is fairly static, so I'm not going to be scripting the configuration with the EC2 tools just yet. As I see it, I have two options. Two Nagios installations (which is over-kill for the small number of servers I'm dealing with). Pros: I don't have to alter the group permissions nor do I have to pay for the traffic, redundancy in the monitoring solution - I could monitor the Nagios servers. Cons: two installations to deal with and I'd need to run another server instance. Have the single installation monitor both regions. Pros: one installation to deal with. Cons: slightly reduced security - security group will have to have NRPE (5666) opened for one source IP and also paying for a small amount of bandwidth at the Internet rate for data transfer between the regions. I guess my question is - how have others handled this problem and what are your recommendations? Thanks!

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• My server is taking too long to respond when I connect to it outside the local network [closed]

  - by Buzu

  I have my local server online most of the time because it is easy for clients to access a url and see how their project is coming along. They can see updates in real time. However, I got a message from one of my clients saying that the server was not responding. I have a hosts file, and in that file I have my server's address pointed to the local ip. This is because some problem with the ftp. Due to this setup, I had not noticed that the server was not accessible from outside the local network. The address is http://imbuzu.dyndns.info SSH works fine, I can connect from my windows machine to the server, but HTTP does not. The server is taking too long to respond. Looking at the logs, I see that the last incoming connection to the server from outside the network is this: 77.242.153.180 - - [04/Dec/2012:12:11:01 -0800] "\xce\x89\x8d\x85b\ro" 400 317 "-" "-" I'm going to restart the server, but I doubt that will have any effect on it. --EDIT-- I restarted the server, and it did not help. Also, I pinged the server and it seems to be resolving correctly.

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• Allow more websocket connections

  - by Switz

  I want to load balance my node.js (DerbyJS to be specific) application on a basic Linode (512MB ram). It can probably take more than one process running at once. The querys/database does not concern me as I'm not doing anything intensive. The problem at the moment is that it can only handle up to ~40 websocket connections at once. I would love if I could get that number in the few hundred+ range. I anticipate a lot of traffic on launch due to the fact that it's a highly niche community with an engaged audience, but after it should be fine with just ~20-40 connections at once, which it handles perfectly as of now. I don't mind spending a bit of money for a week or two worth of running, but I also don't want to switch production environments. How can I test the process to see how many instances I am able to run on the box? Will increasing the number of processes increase the amount of websockets I can handle, or is that a limitation of the server's network? I have an old Macbook Pro running Linux sitting next to me that has 2GB ram and a 2.8 Dual Core Processor. Could I use this to handle some of the extra load? I could probably load balance with nginx to its IP. I'm on a FiOS home network. If you have any suggestions, I'd really appreciate it. Thanks

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• Why am I getting kicked from an IRC channel in one OS (xp) but not in the other OS (7)? [closed]

  - by moshe

  I got kicked from an IRC channel. I have Windows XP and now if I'm trying to get into this specific channel, I get inside but I get immediately kicked out. I can come in again, and again get kicked out. It seems this is done automatically. Now I have also installed, on another hard drive in the same computer Windows 7. On Windows7 I can get into this same channel and never kicked out! It's the same computer, but different operating system(separate Hard Drives). How can it be? Is the KICK command bias towards the operating system I got KICKed in? Please explain to me how this thing is happening. PS: I forgot to mention that it doesn't matter if i change my IP or my nickname, I continue to kicked out from this channel. Again, in windows 7 I can get in without a problem. another thing that is good to mention is that i got kicked out when i was using windows XP, and not windows 7. i think that it could happened also with windows 2000 and vista, so i dont bother the OS itself, but why it's acting differently with a different OS?

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• CNAME vs A records

  - by deb

  I built a small rails app that allow users to make a simple site. It uses subdomain accounts ex: deb.myapp.com Whenever an user wanted to have a domain name associated with their site, they would change their NS records to point to slicehost where the application is hosted and I would manage the DNS records myself. However, as more people are using the application this is not an option for me anymore. I prefer users to keep their nameservers at goddady, register.com, etc, so they can log in and manage their own MX records or whatever else they need to change. My question is, should I have them change the A records to point to my server's ip, or should I have them create a CNAME record? Do they need to delete the default A records to allow the CNAME record to work? Will the A record take precedence and overrule the CNAME record? Thanks in advance. Sorry if this is a very basic question. I've read other posts and I can't find a definite answer.

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• How to copy a large LVM volume (14TB) from one server to another?

  - by bruce

  I have to copy a very large LVM volume from server A to server B. Below is the filesystem of server A and server B Server A [root@AVDVD-Filer ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_avdvdfiler-lv_root 16T 14T 1.5T 91% / tmpfs 3.0G 0 3.0G 0% /dev/shm /dev/cciss/c0d0p1 194M 23M 162M 13% /boot /dev/mapper/vg_avdvdfiler-test 2.3T 201M 2.1T 1% /test /dev/sr0 3.3G 3.3G 0 100% /mnt server B [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup-LogVol00 20G 2.5G 16G 14% / tmpfs 3.0G 0 3.0G 0% /dev/shm /dev/cciss/c0d0p1 194M 23M 162M 13% /boot /dev/mapper/VolGroup00-LogVol00 16T 133M 15T 1% /xiangao/lv1 /dev/mapper/VolGroup00-LogVol01 4.7T 190M 4.5T 1% /xiangao/lv2 I want to copy the LVM volume /dev/mapper/vg_avdvdfiler-lv_root on server A to LVM volume /dev/mapper/VolGroup00-LogVol00 on server B. Server A and server B are in the same IP segment. In the LVM volume on server A, there is all average 500M avi wmv mp4 etc. I tried mounting /dev/mapper/vg_avdvdfiler-lv_root on server A to server B through NFS, then use cp to copy. It is clear I failed. Because the LVM volume is too big, I do not have good idea why. I hope a good solution here.

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• Growing a small hosting company [closed]

  - by user2353007

  We currently have a few servers, 1 WHM VPS (2GB), 1 MS SQL VPS (2 GB), and 1 IIS VPS (2GB). The VPS servers are doing fine as far as uptime and response times but we would like to add the following features. 1) monitoring with load statistics 2) failover I have looked a Zabbix, Zenoss, Nagios, and a couple of other cloud solutions like monitor.us and watchdog from Zerigo. Ideally for the monitoring solution. Our current hosting company suggested we get a dedicated server or VPS and install load balancing software (not sure I like that idea). I've looked into Rackspace and Amazon load balancers which seem like the most feasible solutions for load balancers. Does anybody have any input on the monitoring and load balancing products I'm looking into? Monitoring should monitor uptime as well as give reports on memory usage, disk usage, processor usage, and which processes/websites/users are responsible for the load. It would be ideal if the load balancer worked with any IP. Not sure if either Rackspace or Amazon load balancers would allow load balancing with servers outside their datacenter. Thank you.

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• Print over the internet from a remote linux session locally (on a Windows 7 machine) to the shared printers?

  - by obeliksz

  I'm trying to use a linux virtual machine as a file server for windows clients. I have successfully implemented remote file sharing (samba+ssh) with which I am able to print locally with a little program that I made for this purpose (jetforms style)... but I would like to hear about a somewhat more direct approach. How can I attach the printers to the server, so that I can for example open a file on the remote session and in the print dialogbox I would see my local printers (on the machine from which I have established a remote session)? I guess there should be some kind of putty tunneling, but dont know how. I have a windows 7 machine locally; there is a CentOS 6 VM over the internet. It has ssh, cups, and samba. I have found a question which asks the opposite: there is a windows based server to connect form linux but that windows has a domain, mine is just a simple windows workstation that is behind NAT and has a dynamic IP. That question is: Print from Linux to Windows networked printer.

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• Accessing CIFS shares from an OS X machine incredibly slow

  - by Aron Rotteveel

  This is a longshot, because this issue seems over-reported and unanswered on the internet (see references below), but it is about time this issue is permanently solved. The facts: Server: Windows Server 2008, acting as a file server Client: OS X Lion 10.7.3. Method of connecting: directly via IP through Finder: smb://192.168.1.100/share The problem: The initial connection attempt takes about a minute. After the connection is made, it takes one more minute to show the directories in Finder. After navigating to any other directory, it takes several seconds/minutes to parse the directory, seemingly based on the size of the contents. Actually, my entire Finder has this problem after connecting. When using Finder to show my desktop, it can literally take up to a minute to load. Obviously, this is not right. I have no clue how to fix this and would appreciate any help I can get. I am unsure about other relevant information I can provide, but if there is any, please let me know so I can update the post. I seem to be not the only one having this problem: Most importantly, an apple.stackexchange.com entry. Unsolved and unanswered. Several users on the Apple support forums. Users on EduGeek.

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• Some websites hosted on my server cant be reached from some places.

  - by valter

  Hello. I have a bloblem that is causing me headaches to solve. I have a webserver at 100tb.com, running CentOS. I also have these nameservers setted up: 67.213.220.170 ns1.maisturismo.net 67.213.220.171 ns2.maisturismo.net My domain is at Godaddy. I added two Host Summary pointig to the nameserver ips... NS1 to the first IP, and NS2 to the second... Than I changed the nameservers of maisturismo.net to ns1.maisturismo.net and ns2.maisturismo.net http://img20.imageshack.us/i/dnswm.jpg/ Bellow the image showing my dns records to maisturismo.net http://img137.imageshack.us/i/nameservers.jpg/ Its strange... Everythink looks fine, but the webiste is not reachable from [zend2.com][1] proxy, and from some other places, like a friend's house, that dont use the same web provider that I use. I have another nameserver setted up on my server, that have the same problem, All websites that use it cant be reached from zend2.com and from my friends house, except a ".com.br"(Brazillian Domain). Do you have same idea about, what is causing this? I really cant imagine what is the problem... Thanks. [1]: http:// zend2.com

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• Load balance to proxies

  - by LoveRight

  I have installed several proxy programs whose IP addresses are, for example, 127.0.0.1:8580(use http), 127.0.0.1:9050(use socks5). You may regrard them as Tor and its alternatives. You know, certain proxy programs are faster than others at times, while at other times, they would be slower. The Firefox add-in, AutoProxy and FoxyProxy Standard, can define a list of rules such as any urls matching the pattern *.google.com should be proxied to 127.0.0.1:8580 using socks5 protocol. But the rule is "static". I want *.google.com to be proxied to the fastest proxy, no matter which one. I think that is kind of load balancing. I thought I could set a rule that direct request of *.google.com to the address the load balancer listens, and the load balancer forwards the request to the fastest real proxy. I notice that tor uses socks5 protocol and some other applications use http. I feel confused that which protocol should the load balancer use. I also start to wonder about the feasibility of this solution. Any suggestions? My operating system is Windows 7 x64.

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• Softfail / Failure Notice on SMTP

  - by pascal1954

  Hey, i'm searching for an answer for about 24 hours now and I still can't find any really useful help... The problem appears as the following: I'm running a debian server with Plesk 9.5.3 and qmail. Since a few weeks I'm not able to send mails to some particular servers (like web.de, aol.com). Hence I get failure notices like "Sorry, I wasn't able to establish an SMTP connection." But when I try to send mails to gmail.com - it works! Gmail only reports a softfail in the mail header like so: Received: from h1600XXX.?none? (DOMAIN2.TLD [XX.XXX.XX.XX]) Received-SPF: softfail (google.com: best guess record for domain of transitioning [email protected] does not designate 85.XXX.XX.XX as permitted sender) client-ip=85.XXX.XX.XX This sounds like a dns problem for me, but I can't get an answer for that... What makes me wondering is: h1600XXX is correct, but it should look like h1600XXX.stratoserver.net, not ?none? DOMAIN2.TLD (first line) is different from DOMAIN1 (second line). Both are hosted on this machine, but is this correct? DOMAIN1 is the one I send this mail from. Hopefully someone could help me! If you need more specific information, let me know. Thanks in advance!!! Best regards

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• Mobile app for sysadmins with monitoring and fixing tools(SSH, ping, traceroute) [closed]

  - by Roman

  I present a start-up company which is working on a new mobile tool for system administrators. Our team has released first several versions of Server Auditor which is now just a SSH terminal with special UI approach for touch devices and got quite good feedbacks, e.g. iOS and Android. Now we are thinking about adding extra features to make Server Auditor a tool number one for all system administrators and would like to know your opinion. Main question would you use a tool like Server Auditor with extra features described below: Fast problem fixing - preloaded recipes/snippets, e.g. clean logs, restart a process, reboot etc. Secure user data synchronisation(IP/DNS name, connection options, keys, snippets) across all your devices iPhone and Android. Built-in tools like ping, traceroute, whois System status integration - you can observe information about the system in a friendly way, e.g CPU load, hard drive and RAM usage etc. Monitoring tool integration. Your servers are watched by our Nagios-like system in the cloud and you get notified by push-notifications/SMS. Similar products are Server Density, CopperEgg. If we start to implement features from 1 to 5 when you will be ready to start use it or even potentially pay for it? Can you see any issues that would prevent you from using this kind of system? Thank you a lot for your time, we kindly appreciate it. Looking forward to hear your opinion

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• SSH very slow when connecting from external [closed]

  - by wnstnsmth

  Possible Duplicate: ssh delay when connecting We have a CentOS server that we use for internal testing purposes, which has sshd enabled. When I (as a developer) am at the company, I use ssh [email protected] to connect to it - and it works flawlessly. Now, in order to work from home, accessing the server via the company's static IP, we set up another port for ssh, 2020. So I execute ssh -p 2020 [email protected] and am immediately granted for a password. After entering the password, it takes up to 30 seconds until I can access the server. Same is with SFTP (i.e. uploading files takes about 30 seconds until it begins to transfer). As you can imagine, if you have to regularly upload files to a webserver via SFTP, this is very tedious. So I looked at similar questions and thus edited the sshd_config file on the server, setting UseDNS to "no" and GSSAPIAuthentication to "no" (this one also in ssh_config on the client) - it did not work.. Please have a look at the -vvv output when externally accessing the server: ssh -p 2020 -vvv [email protected] PasteBin: ssh What could it be? Do you need more info?

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• VM automatic provisioning advice

  - by jdgregson

  In my lab we have 24 workstations, each with five technician-maintained virtual machines set up in VMware Workstation. These provide a lot of management overhead, as we have to update them as well as the host operating systems every three months (the start of the next quarter), which adds up to 144 systems to update instead of just 24. Whenever we need to reimage the hosts, the VMs add another 130GB to each image, which is over 3TB of extra data to send over the network, and a lot more time to apply each image, and then we still have to boot all 120 VMs and assign them a unique IP Address and host names. We would like to get the VMs off the hosts and onto a server, but after looking around for a few days, I still don't know where to begin looking for a solution. There may be a better way to do this, but in my mind, the ideal solution would be to replace the VMs on the host machines with five Thin Client operating systems, each configured to connect to a server and be sent or connected to a unique virtual machine. We can't have 120 VMs running on the server all the time, so the server would have to create a copy of the VM from a template whenever a student tries to boot one, and destroy the VM after the student is finished with it. If there is another client application that has to be installed on the hosts that would be fine, the only reason I'd like to keep them in VMware Workstation is because students already know to look there for the VMs when they need to use them. What, if any, virtualization software will allow this? Is there some other solution I'm not seeing?

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• How to remove all data that a website stores on a PC? [on hold]

  - by s.r.a

  I was a member in a computer forum website (sevenforums.com) for months. Two days ago I created a thread and many members participated in it, some of them asked me some irrelevant questions and I said “this question is irrelevant” and didn’t get them the answer. Thread finished and I could get the answer from another website and posted it to that website to arise members’ knowledge. Yesterday like every day I went to that website and faced a massage which was banning me, and my account was disabled. I shocked and I didn’t have even any option to appeal against that wrong decision. So I had to do something. And I did the following works: 1- I disconnected my Internet connection and cleared all the history data on the browser I use, the Google chrome. 2- I then ran “ccleaner” tool and marked almost all the options and then clicked on “run” button. Then it cleared all the data including the cookies. 3- I connected the machine (desktop) to the Internet and immediately changed my IP address. 4- I created a new Hotmail account and tried to register as a new member to that website (sevenforums.com). 5- I succeeded and my new account was enabled so I start to posting to that website. But unfortunately, after less than 1 minute I faced this message: “You are already banned”! My question is that, how they could know me again? How to create a new account without they know me? Thanks in advance.

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