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  • Mailgun Is Not Detecting My New MX Records

    - by Tyler Crompton
    When I issue a DiG command to verify my MX records, I get the following output: $ dig example.com MX ; <<>> DiG 9.9.5-3-Ubuntu <<>> example.com MX ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47700 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 5, ADDITIONAL: 5 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;example.com. IN MX ;; ANSWER SECTION: example.com. 85468 IN MX 10 mxa.mailgun.org. example.com. 85468 IN MX 10 mxb.mailgun.org. ;; REMAINDER OF OUTPUT REMOVED FOR BREVITY However, when I click "Check DNS Records Now" on Mailgun, it verifies the changes to the TXT and CNAME records but says that my MX records have not been changed. Type | Priority | Enter This Value | Current Value -----+----------+------------------+-------------------- MX | 10 | mxa.mailgun.org | 10 mail.example.com MX | 10 | mxb.mailgun.org | 10 mail.example.com I updated these records three to fours ago. I know it said to wait up to twenty-four to forty-eight hours. But I feel that if it detected the other DNS changes, then it should detect the MX record changes. Am I being impatient or is this a legitimate concern? What do you suggest I do? Note: I'd create a Mailgun tag for this; I feel that it'd be appropriate, but I don't have enough reputation to do so.

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  • Failed to start up after upgrading software in ubuntu 10.10

    - by Landy
    I've been running Ubuntu 10.10 in a physical x86-64 machine. Today Update Manager reminded me that there are some updates to install and I confirmed the action. I should had read the update list but I didn't. I can only remember there is an update about cups. After the upgrading, Update Manager requires a restart and I confirmed too. But after the restart, the computer can't start up. There are errors in the console. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done. [xxx]usb 1-8: new high speed USB device using ehci_hcd and address 3 [xxx]usb 2-1: new full speed USB device using ohci_hcd and address 2 [xxx]hub 2-1:1.0: USB hub found [xxx]hub 2-1:1.0: 4 ports detected [xxx]usb 2-1.1: new low speed USB device using ohci_hcd and address 3 Gave up waiting for root device. Common probles: - Boot args (cat /proc/cmdline) - Check rootdelay=(did the system wait long enough) - Check root= (did the system wait for the right device?) - Missing modules (cat /proc/modules; ls /dev) FATAL: Could not load /lib/modules/2.6.35-22-generic/modules.dep: No such file or directory FATAL: Could not load /lib/modules/2.6.35-22-generic/modules.dep: No such file or directory ALERT! /dev/sda1 does not exist. Dropping to a shell! BusyBox v1.15.3 (Ubuntu 1:1.15.3-1ubuntu5) built-in shell(ash) Enter 'help' for a list of built-in commands. (initramfs)[cursor is here] At the moment, I can't input anything in the console. The keyboard doesn't work at all. What's wrong? How can I check boot args or "root=" as suggested? How can I fix this issue? Thanks. =============== PS1: the /dev/sda1 is type ext4 (rw,nosuid,nodev) PS2: the /dev/sda1 can be mounted and accessed successfully under SUSE 11 SP1 x64.

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  • Best grep-like tool

    - by e-satis
    I do in file search a lot, and used to love grep. Then I learn the existence of egrep, so I switched to benefit from the advanced regexp. Then I discovered the Eclipse search tool. Much easier to use that grep. Then I found ack : fast, easy, powerful. And now I use grin, which is smooth for pythonistas. I know there is also a couple of this kind of tools with a GUI. So what tool do you use, and why do you think it's the best. Practical features generally are : fast to fire and use; speedy processing; automatically ignore useless files; colored output; output lines, filename, context; allow complex regexp; allow a custom filtering and ouput; GUI + command line intergation; let you open an editor from the result set. There are some related posts on SO : http://stackoverflow.com/questions/87350/what-are-good-grep-tool-for-windows http://stackoverflow.com/questions/981601/colorized-grep-viewing-the-entire-file-with-highlighting http://stackoverflow.com/questions/1028107/is-there-some-unix-util-that-will-allow-me-to-grep-multiple-files-with-little-type http://stackoverflow.com/questions/1027906/unix-find-grep-syntax-vs-awk

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  • Can a Windows process continue between sessions?

    - by sofakng
    I'd like to start a process when the PC starts up but before the user logs in. Then, after the user logs in they see the console/gui for already running process. If they logoff, the process will continue to run in the background until they log back in again. Is this possible in Windows Server 2008 R2? It seems perfect for daemon/server applications.

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  • SWATCH - what am I doing wrong?

    - by Brian Dunbar
    What I want/need/desire is to log when a user logs into my FTP server. Problem: I can't make swatch work the way I should be able to. This data is logged to a file - but of course these logs are not kept very long. I can't keep the logs around forever, but I can extract data from then, analyze it, store results elsewhere. If there is a better way to do this than the following, I'm all ears. Swatch version 3.2.3 Perl 5.12 FTP: VSFTP OS (Test): OS X 10.6.8 OS (Production): Solaris From man I see I can pass contents to a command .. so I should be able to echo those values to file, do a sed/cut/uniq thing on them for stats. $ man swatch (snip) exec command Execute command. The command may contain variables which are substituted with fields from the matched line. A $N will be replaced by the Nth field in the line. A $0 or $* will be replaced by the entire line. Swatch file .swatchrc watchfor /OK LOGIN/ echo=red pipe "echo "0: $0 1:$1 2:$2 3:$3 4:$4 5:$5" >> /Users/bdunbar/dev/ftplog/output.txt" Launch with $ swatch -c /Users/bdunbar/.swatchrc --script-dir /Users/bdunbar/dev/ftplog -t /Users/bdunbar/dev/ftplog/vsftpd.log & Test echo "Mon July 9 03:11:07 2012 [pid 14938] [aetech] OK LOGIN: Client "206.209.255.227"" >> vsftpd.log Results - it's echoing to TTY. This is not needed or desired on the server, but it does tell me things are working. ftplog *** swatch version 3.2.3 (pid:25780) started at Mon Jul 9 15:23:33 CDT 2012 Mon July 9 03:11:07 2012 [pid 14938] [aetech] OK LOGIN: Client 206.209.255.227 Results - bad! I appear to not be sending the variables to text. $ tail -f output.txt 0: /Users/bdunbar/dev/ftplog/.swatch_script.25780 1: 2: 3: 4: 5:

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  • Reinstalling Default Website for Exchange 2010

    - by Michael
    The Default Website for Exchange 2010 on Windows SBS Server 2010 has been deleted (how and why is not important). Now, obviously, I cant access emails via OWA or via HTTP for people offsite. I can not figure out how to reinstall the default website to reinstall OWA and settings? I also can't log into Exchange Mangement Console. The attempt to connect to... using "kerberos" jauthenication failed (probably because it does not exist).

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  • Can I use iptables on my Varnish server to forward HTTPS traffic to a specific server?

    - by Dylan Beattie
    We use Varnish as our front-end web cache and load balancer, so we have a Linux server in our development environment, running Varnish with some basic caching and load-balancing rules across a pair of Windows 2008 IIS web servers. We have a wildcard DNS rule that points *.development at this Varnish box, so we can browse http://www.mysite.com.development, http://www.othersite.com.development, etc. The problem is that since Varnish can't handle HTTPS traffic, we can't access https://www.mysite.com.development/ For dev/testing, we don't need any acceleration or load-balancing - all I need is to tell this box to act as a dumb proxy and forward any incoming requests on port 443 to a specific IIS server. I suspect iptables may offer a solution but it's been a long while since I wrote an iptables rule. Some initial hacking has got me as far as iptables -F iptables -A INPUT -p tcp -m tcp --sport 443 -j ACCEPT iptables -A OUTPUT -p tcp -m tcp --dport 443 -j ACCEPT iptables -t nat -A PREROUTING -p tcp --dport 443 -j DNAT --to 10.0.0.241:443 iptables -t nat -A POSTROUTING -p tcp -d 10.0.0.241 --dport 443 -j MASQUERADE iptables -A INPUT -j LOG --log-level 4 --log-prefix 'PreRouting ' iptables -A OUTPUT -j LOG --log-level 4 --log-prefix 'PostRouting ' iptables-save > /etc/iptables.rules (where 10.0.0.241 is the IIS box hosting the HTTPS website), but this doesn't appear to be working. To clarify - I realize there's security implications about HTTPS proxying/caching - all I'm looking for is completely transparent IP traffic forwarding. I don't need to decrypt, cache or inspect any of the packets; I just want anything on port 443 to flow through the Linux box to the IIS box behind it as though the Linux box wasn't even there. Any help gratefully received... EDIT: Included full iptables config script.

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  • Trouble with port 80 nating (XenServer to WebServer VM)

    - by Lain92
    I have a rent server running XenServer 6.2 I only have 1 public IP so i did some NAT to redirect ports 22 and 80 to my WebServer VM. I have a problem with the port 80 redirection. When i use this redirection, i can get in the WebServer's Apache but this server lose Web access. I get this kind of error : W: Failed to fetch http://http.debian.net/debian/dists/wheezy/main/source/Sources 404 Not Found [IP: 46.4.205.44 80] but i can ping anywhere. XenserverIP:80 redirected to 10.0.0.2:80 (WebServer). This is the port 80 redirection part of my XenServer iptables : -A PREROUTING -i xenbr1 -p tcp -m tcp --dport 80 -j DNAT --to-destination 10.0.0 .2:80 -A INPUT -i xenbr1 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT COMMIT What is wrong in my configuration? Is there a problem with XenServer? Thanks for your help ! Edit : Here is my iptables full content : *nat :PREROUTING ACCEPT [51:4060] :POSTROUTING ACCEPT [9:588] :OUTPUT ACCEPT [9:588] -A PREROUTING -p tcp -m tcp --dport 1234 -j DNAT --to-destination 10.0.0.2:22 -A PREROUTING -i xenbr1 -p tcp -m tcp --dport 80 -j DNAT --to-destination 10.0.0 .2:80 -A POSTROUTING -s 10.0.0.0/255.255.255.0 -j MASQUERADE COMMIT *filter :INPUT ACCEPT [5434:4284996] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [5014:6004729] -A INPUT -i xenbr1 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT COMMIT Update : I have a second server with 10.0.0.3 as IP and it has the same problem that 10.0.0.2 has.

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  • How to perform "tracert" like operation from browser?

    - by user329777
    I'm remotely investigating issue with my friend's WIN XP computer. The browsers (Chrome and IE) won't show any pages but message with err_connection_reset in details. I've tried to perform "telnet google.com 80" and send there "HEAD / HTTP/1.0" from console and everything went fine, but browsers refused to give me anything. I've checked for presence of firewalls and proxy servers in the settings, but nothing seems to be there. What else to check?

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  • Two screens hooked to one laptop

    - by mplacona
    Hi, I'm thinking of getting rid of my desktop, and using my (much better) laptop instead. I'm only wondering if I would be able to hook the two screens I have with it, so I'd end up with three screens. I've seen people doing it to desktops, but am not sure the same could be accomplished with a laptop. My laptop is a sony vaio, and it's got both a VGA output, and an HDMI output. It'd be great is I could simply hook two screens to it, and have three independent screens (not mirrored). on my desktop, I have pretty much the same thing, but with an extra DVI port. I connect the DVI to one screen, and the VGA to an older one. Trying to connect anything to the HDMI simply mirrors whatever is on the DVI (I've tried it a long time ago) So I was wondering if with the laptop I'd be able to do it, and end up with three independent screens. I don't know if there's anything else I could be using instead (i.e. any extra hardware), so recommendations are more than welcome. Thanks in advance, Marcos

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  • Dual-head monitor system Kubuntu 10.04

    - by andrii
    I have a notebook Asus V6X00V with 1400*1050 monitor(name: LVDS) and Dell Monitor 1920*1080 (VGA-0). I want to have a dual monitor system. At MS Windows everything is working fine. During the Kubuntu installation the Dell and the main notebook monitors have a right resolutions(1920*1080 & 1400*1050). But after some stage it have been changed to the 1152*864 for both. Now the right resolution is only during turning off process and when I am using the console. So it shows that system can use this resolutions. The problem is just in a settings. I am using Size & Orientation - System Settings for setting adjustment. Any option that changes resolution for any monitor or changing position(Absolute, Left Of, Right of and so on) cause the color line noise on the screens. I have tried xrandr: xrandr --output LVDS --mode 1400x1050 --pos 0x0 --output VGA-0 --mode 1920x1080 --right-of LVDS --pos 1400x0 but have received the same result. I have find out that for example the previous version of Randr(1.2, now I have xrandr 1.3) need a xorg.conf file modification to create a big virtual screen, but kubuntu 10.4 don't have xorg.conf and I don't know should I modify xorg for 1.3 version of xrandr or not. Please help me to solve this problem

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  • Configuring capture card to get audio out to the speakers

    - by TheTedH
    I have been using my capture card as a video in device so I can play my video game systems without having to go to the TV in another room. I have been trying to get the audio to play through line-in, to no avail. Would there be a way to make the audio from line-in to output the video game console audio from the computer? Also, I'm on Windows XP SP2.

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  • Simple electric DC question. Currency consumption

    - by Bobb
    Suppose you have DC power supply and a consumer connected to it (i.e. computer PSU and a hard drive). Suppose PSU which was supplied with the consumer has output 5V 1A. So I assume that the consumer should not consume more than 1A. Suppose the original PSU is broken now and I want to replace it with the one I have which is 5V 10A. My guess is that current is something which depends on the consumer. So if the consumer consumes normally 1A then it will not consume more than that even if it is connected to 10A PSU. In other word - am I right assuming that the consumer will not burn out being connected to a power supply with higher current output? P.S. my understanding is that voltage is something independent from the consumer. If you give it higher voltage it will burn (voltage is from PSU to the consumer). However current must be in opposite - consumer sucks as much current as it need not as much as PSU can provide (of course given that max PSU current is greater than the consumer needs)

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  • Two screens hooked to one laptop

    - by mplacona
    Hi, I'm thinking of getting rid of my desktop, and using my (much better) laptop instead. I'm only wondering if I would be able to hook the two screens I have with it, so I'd end up with three screens. I've seen people doing it to desktops, but am not sure the same could be accomplished with a laptop. My laptop is a sony vaio, and it's got both a VGA output, and an HDMI output. It'd be great is I could simply hook two screens to it, and have three independent screens (not mirrored). on my desktop, I have pretty much the same thing, but with an extra DVI port. I connect the DVI to one screen, and the VGA to an older one. Trying to connect anything to the HDMI simply mirrors whatever is on the DVI (I've tried it a long time ago) So I was wondering if with the laptop I'd be able to do it, and end up with three independent screens. I don't know if there's anything else I could be using instead (i.e. any extra hardware), so recommendations are more than welcome. Thanks in advance, Marcos

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  • RouterLess, house-wired network using multiple powerline adapters

    - by Cliff Arnell
    related to the 'old days' of one ethernet cable tapped with Ts for each monitor.... my question might be very simple... or not. I have an over-the-air internet provider with a wire dish with a powered transceiver and cat5 cable out of the providers supplied modem. I'm presently connecting the output of the modem into my wireless router which sends the internet signal all over the house. Standard stuff, I believe. My Question. Can I just connect the output of the modem into 1 powerline adapter and tie all my equipment such as computer, printer, laptop, Tivo recorder, etc. into 1-each local powerline adapters located near each devices resulting in a 'house-wired' network and no router? I'm bothered by the idea that my over-the-air provider might be using something in my router to establish and keep my IP connection alive. I did have to configure the router for my IP, a router which, in my proposed scenario, would no longer exist. Thank you for your help.

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  • Linux Cups raspberry pi offload processing to server

    - by jaredmsaul
    I am interested in setting up a raspberry pi as the local end of a printing solution. In my testing the pi chokes on acting as a complete cups based print server. It seems a little underpowered for some of the ghostscipt processing and other filtering that occurs-- particularly on larger or complex documents the processing time can be 5 or more minutes. My question is can the processing be largely done elsewhere and the prepared end product of the processing chain be fed to the pi for output on the connected printer? So in this scenario any arbitrary document (html, pdf, text) is initially 'printed' on a relatively powerful machine but the output is stored in a file. This file is then grabbed by the pi and with all the heavy work out of the way easily printed using cups. I know files can be pushed through cups in raw mode but I am fuzzy on the pros and cons and the applicability in what I describe. I have tested this with pdftops creating a ps file then feeding that raw to cups and I think it works but it seems like there may be a cleaner solution. This scenario would ideally work for any number of printer types.

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  • How do I get rid of com.apple.launchd.peruser errors in my log?

    - by Chris R
    I'm getting repeated errors in my console log that look (basically) like this: 10-09-29 10:06:08 AM com.apple.launchd[1] (com.apple.launchd.peruser.501[51581]) getpwuid("501") failed 10-09-29 10:06:08 AM com.apple.launchd[1] (com.apple.launchd.peruser.501[51581]) Exited with exit code: 1 This machine was set up using the migration assistant, from a machine where my UID was 501, but here it's 505. I have the same username and group set, of course, but... So, where is this peruser launchd tool configured, so that I can disable the daemons that are causing this error message?

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  • Slow manipulation of netfilter rules

    - by Ole Martin Eide
    I have a script maintaining gre tunnels and firewall rules using the "ip" and "iptables" tools. Setting up hundreds of tunnels, and adresses per interface runs just fine. Takes less than 0.1 second per interface, however when I get around to do the firewall rules everything slows down spending 0.5 per insertion. Why is it running so slow? What can I do to improve the speed? It seems like I could try ipset instead, but I really feel there is something wrong with the kernel or something. The interesting thing is that the first 10 rules runs fast, then it slows down.. mybox(root) foo# iptables -V iptables v1.3.5 mybox(root) foo# uname -a Linux foo 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux mybox(root) foo# cat test.sh #!/bin/sh for n in {1..100} do /sbin/iptables -A OUTPUT -s ${n} -j ACCEPT /sbin/iptables -D OUTPUT -s ${n} -j ACCEPT done mybox(root) foo# time ./test.sh real 1m38.839s user 0m0.100s sys 1m38.724s Appriciate any help. Cheers!

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  • What permissions do I need to move a folder?

    - by isme
    In the root of my drive there exists a folder called SourceControl that contains all the working copies of all my programming projects. I would like to move the folder to my user directory (\Users\Me), but something about the permissions on the folder forbids me. I don't remember how I created the folder. When I execute the move command: MOVE \SourceControl \Users\Me I receive the following error: Access is denied. I have resolved a similar problem in the past using the Takeown utility to assign ownership of the file to me, so I tried this command next: TAKEOWN /F \SourceControl It returns the following error: ERROR: The current logged on user does not have ownership privileges on the file (or folder) "C:\SourceControl". I've just learned about the Icacls utility, which can inspect and modify file permissions. I used this command to inspect the permissions on the folder: ICACLS \SourceControl It produced this list: \SourceControl BUILTIN\Administrators:(I)(F) BUILTIN\Administrators:(I)(OI)(CI)(IO)(F) NT AUTHORITY\SYSTEM:(I)(F) NT AUTHORITY\SYSTEM:(I)(OI)(CI)(IO)(F) BUILTIN\Users:(I)(OI)(CI)(RX) NT AUTHORITY\Authenticated Users:(I)(M) NT AUTHORITY\Authenticated Users:(I)(OI)(CI)(IO)(M) I think this means that normal user accounts, like mine, have permission only to read and execute (RX) here, while administrator accounts have full control (F). I used Icacls to confer full control of the directory to my user account with this command: ICACLS \SourceControl /grant:r Me:F The command produces this output: processed file: \SourceControl Successfully processed 1 files; Failed processing 0 files Now inspection of the permissions produces this output: \SourceControl Domain\Me:(F) BUILTIN\Administrators:(I)(F) BUILTIN\Administrators:(I)(OI)(CI)(IO)(F) NT AUTHORITY\SYSTEM:(I)(F) NT AUTHORITY\SYSTEM:(I)(OI)(CI)(IO)(F) BUILTIN\Users:(I)(OI)(CI)(RX) NT AUTHORITY\Authenticated Users:(I)(M) NT AUTHORITY\Authenticated Users:(I)(OI)(CI)(IO)(M) But after this the move command still fails with the same error. Is it possible to move this folder without invoking administrator rights? If not, how should I do it as administrator?

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  • What is wrong with this call to schtasks on Win 7?

    - by Jost
    I'm trying to run this in a Win 7 Professional admin console: schtasks /create /tn "Task at 16:40 on 10/27/2012" /sc "once" /st "16:40" /sd "10/27/2012" /tr "c:\python27\python.exe c:\users\jost\Desktop\executeScript.py" All referenced files exist. The error message I get is ERROR: The filename, directory name, or volume label syntax is incorrect. What is wrong? Running the command directly on the command line works fine.

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  • Iptables ignoring a rule in the config file

    - by Overdeath
    I see lot of established connections to my apache server from the ip 188.241.114.22 which eventually causes apache to hang . After I restart the service everything works fine. I tried adding a rule in iptables -A INPUT -s 188.241.114.22 -j DROP but despite that I keep seeing connections from that IP. I'm using centOS and i'm adding the rule like thie: iptables -A INPUT -s 188.241.114.22 -j DROP Right afther that I save it using: service iptables save Here is the output of iptables -L -v ` Chain INPUT (policy ACCEPT 120K packets, 16M bytes) pkts bytes target prot opt in out source destination 0 0 DROP all -- any any lg01.mia02.pccwbtn.net anywhere 0 0 DROP all -- any any c-98-210-5-174.hsd1.ca.comcast.net anywhere 0 0 DROP all -- any any c-98-201-5-174.hsd1.tx.comcast.net anywhere 0 0 DROP all -- any any lg01.mia02.pccwbtn.net anywhere 0 0 DROP all -- any any www.dabacus2.com anywhere 0 0 DROP all -- any any 116.255.163.100 anywhere 0 0 DROP all -- any any 94.23.119.11 anywhere 0 0 DROP all -- any any 164.bajanet.mx anywhere 0 0 DROP all -- any any 173-203-71-136.static.cloud-ips.com anywhere 0 0 DROP all -- any any v1.oxygen.ro anywhere 0 0 DROP all -- any any 74.122.177.12 anywhere 0 0 DROP all -- any any 58.83.227.150 anywhere 0 0 DROP all -- any any v1.oxygen.ro anywhere 0 0 DROP all -- any any v1.oxygen.ro anywhere Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 186K packets, 224M bytes) pkts bytes target prot opt in out source destination `

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  • Amazon instance store is restartable?

    - by Toqeer
    I am running an instance backed by instance store, I know If I stop the instance it will be no longer available but can I restart that instance? I can see an option on amazon console when I right click on the Amazon instance store but I am not sure about that. here is the answer but they did not mention if we restart the instance it will be no longer available. http://aws.amazon.com/ec2/faqs/#What_is_the_difference_between_using_the_local_instance_store_and_Amazon_Elastic_Block_storage_for_the_root_device Regards

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