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  • Puppet master and resources graph

    - by jrottenberg
    Hello ! I've setup rrd reporting + graph on my puppet master, my nodes report as expected and I can see the 'changes' and 'time' graphs, but I miss the 'resources' (html and daily weekly monthly yearly graphs) elements. Note resources.rrd files are there, just puppetmaster does not generate the html and png

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  • Why does NX Client for Windows silently closes after connection?

    - by pavel
    Hey! I connect remotely to my Ubuntu server from Vista machine. Now I need to run a GUI application on the server (Wireshark). So I decided to use FreeNX server/client to view Ubuntu GUI on Vista I have successfully installed FreeNX on Ubuntu and NX Client on Vista. I was following this guide Unfortunately, now I found myself stuck with the following problem. At the client, the !M logo window appears, but after a few seconds that window just closes, even without showing any error message. Guys, I'm really stuck, please help! Maybe I should have installed some graphical environment on the server? These are the details from NX client, it seems there are no errors. ----------------- Info: Display running with pid '7768' and handler '0x670d24'. NXPROXY - Version 3.4.0 Copyright (C) 2001, 2007 NoMachine. See http://www.nomachine.com/ for more information. Info: Proxy running in client mode with pid '2168'. Session: Starting session at 'Sat Dec 19 10:58:35 2009'. Warning: Connected to remote version 3.3.0 with local version 3.4.0. Info: Connection with remote proxy completed. Info: Using WAN link parameters 768/24/1/0. Info: Using cache parameters 4/4096KB/16384KB/16384KB. Info: Using pack method 'adaptive-9' with session 'kde'. Info: Using ZLIB data compression 1/1/32. Info: Using ZLIB stream compression 1/1. Info: No suitable cache file found. Info: Forwarding X11 connections to display ':0'. Info: Listening to font server connections on port '11000'. Session: Session started at 'Sat Dec 19 10:58:35 2009'. Info: Established X server connection. Info: Using shared memory parameters 0/0K. Session: Terminating session at 'Sat Dec 19 10:58:37 2009'. Session: Session terminated at 'Sat Dec 19 10:58:37 2009'. -----------

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  • ISC DHCP - Force clients to get a new IP address, instead of the being re-issued their previous lease's IP

    - by kce
    We are in the middle of a migration of our DHCP and DNS services from a Debian-based server to a Windows Server 2008 R2 implementation. The Debian server is running isc-dhcpd-V3.1.1. All of workstations are configured to have fixed-addresses between .3 and .40 (the motivation behind that choice is mostly management/political much like here). DHCP leases are given out in the range of .100 to .175. Statically configured servers live in the .200 block and above (which is mostly empty). When we move to the Windows platform, management/political considerations require me to move the IP ranges around again. We would like to keep .1 - .10 reserved for network appliances, switches, and other infrastructure. .200 will remain designated for servers. The addressing space in between should be available to clients and IPs should be dynamically allocated (Edit: instead of automatic as originally mentioned) by the server. My Address Pool on the Windows Server looks like this: 192.168.0.1 192.168.0.254 (Address range for distribution) 192.168.0.1 192.168.0.10 (IP addresses excluded from distribution) 192.168.0.200 192.168.0.254 (IP addresses excluded from distribution) Currently, we have all of our clients still on the .3 - .40 range, and a few machines still active in the .100 - .175 (although there are lots devices that are powered off that still have expired leases with IPs from that range). Since the lease "database" isn't shared between the old and new DHCP server how can I prevent clients from receiving a lease with an IP address that is currently being held by client with a non-expired lease from the old DHCP server? If I just expand the range on the Debian DHCP server to be 192.168.0.10 - 192.168.0.199 is there a way to force clients to not re-use their old IP address when they send their DHCPDISCOVER? Can I make the Windows DHCP server be authoritiative like the ISC implementation? The dhcpd.conf from the Debian server: ddns-update-style none; authoritative; default-lease-time 43200; #12 hours max-lease-time 86400; #24 hours subnet 192.168.0.0 netmask 255.255.255.0 { option routers 192.168.0.1; option subnet-mask 255.255.255.0; option broadcast-address 192.168.0.255; range 192.168.0.100 192.168.0.175; } host workstation-1 { hardware ethernet 00:11:22:33:44:55; fixed-address 192.168.0.3; } ... and so on until 192.168.0.40

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  • Trouble using gitweb with nginx

    - by Rayne
    I have a git repository in a directory inside of /home/raynes/pubgit/. I'm trying to use gitweb to provide a web interface to it. I use nginx as my web server for everything else, so I don't really want to have to use another just for this. I'm mostly following this guide: http://michalbugno.pl/en/blog/gitweb-nginx, which is the only guide I can find via google and is really recent. fcgiwrap apparently isn't in Lucid Lynx's repositories, so I installed it manually. I spawn instances via spawn-fcgi: spawn-fcgi -f /usr/local/sbin/fcgiwrap -a 127.0.0.1 -p 9001 That's all good. My /etc/gitweb.conf is as follows: # path to git projects (<project>.git) #$projectroot = "/home/raynes/pubgit"; $my_uri = "http://mc.raynes.me"; $home_link = "http://mc.raynes.me/"; # directory to use for temp files $git_temp = "/tmp"; # target of the home link on top of all pages #$home_link = $my_uri || "/"; # html text to include at home page $home_text = "indextext.html"; # file with project list; by default, simply scan the projectroot dir. $projects_list = $projectroot; # stylesheet to use $stylesheet = "/gitweb/gitweb.css"; # logo to use $logo = "/gitweb/git-logo.png"; # the 'favicon' $favicon = "/gitweb/git-favicon.png"; And my nginx server configuration is this: server { listen 80; server_name mc.raynes.me; location / { root /usr/share/gitweb; if (!-f $request_filename) { fastcgi_pass 127.0.0.1:9001; } fastcgi_index index.cgi; fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; include fastcgi_params; } } The only difference here is that I've set fastcgi_pass to 127.0.0.1:9001. When I go to http://mc.raynes.me I'm greeted with a page that simply says "403" and nothing else. I have not the slightest clue what I did wrong. Any ideas?

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  • GIMP: Slightly wrong color when saving images

    - by chris_l
    When I create a new image, fill it with a single color, and save it as *.png or *.jpeg, it gets a slightly wrong color. When I save it as *.gif, the color is correct. Does this have something to do with a color profile? How can I turn it off? (Gimp 2.6.7 on Mac) BTW, when I use "Digital Color Meter" to check the color in the GIMP window, I also get a wrong value - but that value is again a little bit different.

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  • Reducing apache VIRT and RES memory usage

    - by lisa
    On a quad-core server with 8GB of ram I have apache processes that use up to 2.3GB RES memory and 2.6GB VIRT memory. Here is a copy of the top -c command http://imgur.com/x8Lq9.png Is there a way to reduct the memory usage for these apache processes? These are my httpd.conf settings Timeout 160 TraceEnable Off ServerSignature Off ServerTokens ProductOnly FileETag None StartServers 6 <IfModule prefork.c> MinSpareServers 4 MaxSpareServers 16 </IfModule> ServerLimit 400 MaxClients 320 MaxRequestsPerChild 10000 KeepAlive On KeepAliveTimeout 4 MaxKeepAliveRequests 80

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  • DVD playback with Windows Media Player 11 works fine, but when copied to HDD and then played back, t

    - by stakx
    I have several DVDs with short documentaries on it. Since the notebook I'm using (a Dell Latitude E6400) has only one DVD drive, and I might play back those short movies very often, I thought of copying them to the HDD and playing them back from there. However, I've run into a problem, namely stuttering audio. Problem description: When I play back these movies directly from DVD (with Windows Media Player 11 under Windows Vista), everything works fine. Smooth video, no significant audio problems (only the occasional click). But as soon as I copy any of these DVDs to the HDD and try to play them back from there (e.g. using the wmpdvd://drive/title/chapter?contentdir=path protocol, I get stuttering audio — audio playback sounds like a machine gun for a third of a second or so, approx. every 8 seconds. I have tried converting the VOB files from the DVD to another format (ie. ripping), but that resulted in a noticeable downgrade of picture quality. Therefore I thought it best to keep the files in their original format, if possible. Still, I suspect that the stuttering audio is due to some (de-)muxing problem, and that changing the file format might help. (After all, video playback is fine; therefore I don't think that the hardware is too slow for playback.) Only thing is, I don't know how to convert the VOB files to another Windows Media Player-compatible format without quality loss. I hope someone can help me, or give me further pointers on things I could try out to get HDD playback to work without the problem described. Some things I've tried so far, without any success: VOB2MPG, in order to convert the .vob file to a .mpg file. But that changes only the A/V container, not the content. No re-encoding takes place at all. Re-encoding with MPlayer/MEncoder. Lots of quality loss there, and I frankly haven't got the time to test all possible settings combinations available. Disabling all plug-ins, equalizers, etc. in Windows Media Player. Disabling all hardware acceleration on the audio playback device. Further info on the VOB files I'm trying to playback: The video format is MPEG ES, PAL 720x576 pixels @ 24/25 frames per second. The sound stream is uncompressed PCM, 16-bit stereo @ 48kHz. (Might it help if I somehow re-encoded the sound stream at a lower resolution, or as an MP3? If so, how would I do this without changing the video stream?) P.S.: I am limited to using Windows Media Player (11). (I previously tried MPlayer btw., but the video playback quality was surprisingly bad.)

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  • FreeBSD jail with IPFW with loopback - unable to connect loopback interface

    - by khinester
    I am trying to configure a one IP jail with loopback interface, but I am unsure how to configure the IPFW rules to allow traffic to pass between the jail and the network card on the server. I have followed http://blog.burghardt.pl/2009/01/multiple-freebsd-jails-sharing-one-ip-address/ and https://forums.freebsd.org/viewtopic.php?&t=30063 but without success, here is what i have in my ipfw.rules # vim /usr/local/etc/ipfw.rules ext_if="igb0" jail_if="lo666" IP_PUB="192.168.0.2" IP_JAIL_WWW="10.6.6.6" NET_JAIL="10.6.6.0/24" IPF="ipfw -q add" ipfw -q -f flush #loopback $IPF 10 allow all from any to any via lo0 $IPF 20 deny all from any to 127.0.0.0/8 $IPF 30 deny all from 127.0.0.0/8 to any $IPF 40 deny tcp from any to any frag # statefull $IPF 50 check-state $IPF 60 allow tcp from any to any established $IPF 70 allow all from any to any out keep-state $IPF 80 allow icmp from any to any # open port ftp (20,21), ssh (22), mail (25) # ssh (22), , dns (53) etc $IPF 120 allow tcp from any to any 21 out $IPF 130 allow tcp from any to any 22 in $IPF 140 allow tcp from any to any 22 out $IPF 150 allow tcp from any to any 25 in $IPF 160 allow tcp from any to any 25 out $IPF 170 allow udp from any to any 53 in $IPF 175 allow tcp from any to any 53 in $IPF 180 allow udp from any to any 53 out $IPF 185 allow tcp from any to any 53 out # HTTP $IPF 300 skipto 63000 tcp from any to me http,https setup keep-state $IPF 300 skipto 63000 tcp from any to me http,https setup keep-state # deny and log everything $IPF 500 deny log all from any to any # NAT $IPF 63000 divert natd ip from any to any via $jail_if out $IPF 63000 divert natd ip from any to any via $jail_if in but when i create a jail as: # ezjail-admin create -f continental -c zfs node 10.6.6.7 /usr/jails/node/. /usr/jails/node/./etc /usr/jails/node/./etc/resolv.conf /usr/jails/node/./etc/ezjail.flavour.continental /usr/jails/node/./etc/rc.d /usr/jails/node/./etc/rc.conf 4 blocks find: /usr/jails/node/pkg/: No such file or directory Warning: IP 10.6.6.7 not configured on a local interface. Warning: Some services already seem to be listening on all IP, (including 10.6.6.7) This may cause some confusion, here they are: root syslogd 1203 6 udp6 *:514 *:* root syslogd 1203 7 udp4 *:514 *:* i get these warning and then when i go into the jail environment, i am unable to install any ports. any advice much appreciated.

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  • Simple, free Mac OS X paint program with transparency

    - by Margret
    What FREE software (included with Mac OS X, or public domain) would be a good, simple way to take some existing PNG clipart files and do some simple editing? I really only need to do 3 things: Rotate the image. Clip the image. Set a "transparent" color. I don't need anything that takes weeks to learn or is super-powerful or super expensive.

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  • How to set default file format for MS Paint

    - by torbengb
    I'm using MS Paint on WinXP at work, for capturing simple screenshots. Problem: MS Paint always wants to save in BMP format. How can I set PNG to be Paint's default file-saving format? Note: Suggestions about other software are irrelevant. I know there are many other software tools available. But I'm asking specifically about MS Paint.

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  • ibm t61 battery isn't charged

    - by treber
    I've just bought IBM T61 laptop and it has non-orginal battery. Everything was ok (laptop worked without being plugged), but something has changed, and now battery isn't charged. Power Manager says: "This system may not support batteries that are not genuine Lenovo-made or authorized. This sytem will contunue to boot, but may not charge unauthorized batteries" (screen: http://i52.tinypic.com/2ywhdns.png) I have no idea, what to do, how to solve this problem. Thank's for help.

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  • Anyone else experiencing high rates of Linux server crashes during a leap second day?

    - by Bron Gondwana
    POSTMORTEM Anticlimax: only thing that died was my VPN (openvpn) link to the cluster, so there was an exciting few seconds while it re-established. Everything else was fine. Starting back ntp everywhere. If you look at Marco's blog at http://my.opera.com/marcomarongiu/blog/2012/06/01/an-humble-attempt-to-work-around-the-leap-second - he has a solution for phasing the time change over 24 hours using ntpd -x to avoid the 1 second skip. Give that a go if it matters to you. For the systems I run, the jump isn't a problem. Just today, Sat June 30th - starting soon after the start of the day GMT. We've had a handful of blades in different datacentres as managed by different teams all go dark - not responding to pings, screen blank. They're all running Debian Squeeze - with everything from stock kernel to custom 3.2.21 builds. Most are Dell M610 blades, but I've also just lost a Dell R510 and other departments have lost machines from other vendors too. There was also an older IBM x3550 which crashed and which I thought might be unrelated, but now I'm wondering. The one crash which I did get a screen dump from said: [3161000.864001] BUG: spinlock lockup on CPU#1, ntpd/3358 [3161000.864001] lock: ffff88083fc0d740, .magic: dead4ead, .owner: imapd/24737, .owner_cpu: 0 Unfortunately the blades all supposedly had kdump configured, but they died so hard that kdump didn't trigger - and they had console blanking turned on. I've disabled console blanking now, so fingers crossed I'll have more information after the next crash. Just want to know if it's a common thread or "just us". It's really odd that they're different units in different datacentres bought at different times and run by different admins (I run the FastMail.FM ones)... and now even different vendor hardware. Most of the machines which crashed had been up for weeks/months and were running 3.1 or 3.2 series kernels. The most recent crash was a machine which had only been up about 6 hours running 3.2.21. THE WORKAROUND Ok people, here's how I worked around it. disabled ntp: /etc/init.d/ntp stop created http://linux.brong.fastmail.fm/2012-06-30/fixtime.pl (code stolen from Marco, see blog posts in comments) ran fixtime.pl without an argument to see that there was a leap second set ran fixtime.pl with an argument to remove the leap second NOTE: depends on adjtimex. I've put a copy of the squeeze adjtimex binary at http://linux.brong.fastmail.fm/2012-06-30/adjtimex - it will run without dependencies on a squeeze 64 bit system. If you put it in the same directory as fixtime.pl, it will be used if the system one isn't present. Obviously if you don't have squeeze 64 bit... find your own. I'm going to start ntp again tomorrow. As an anonymous user suggested - an alternative to running adjtimex is to just set the time yourself, which will presumably also clear the leapsecond counter.

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  • UPS vs Solar Power in case of power failure for a server [on hold]

    - by Zen 8000k
    I am looking for a low power, low end pc able to run 24/7 without overheating and a way to support it in case of power failure. Power failures can be up to 72 hours. The pc dosen't need a monitor or keyboard. A modem must also be protected in case of power failure. When i say low end, i don't mean crap. The cpu needs to be x86 and have at least 1k cpu in this chart: http://www.cpubenchmark.net/index.php What's the best way to do this? EDIT: more info. I need to run a home server. The server will perform light tasks mainly. A x86 cpu sadly is the only route for my use. I want to be able to run the server and the router/modem in case of power failure. Now, regarding how long the power will fail: 1) 1 hours is OK for most situations. (say 90%) 2) 3 hours is OK (say 98%) 3) 6 hours is more thank OK. (say 99.5%) 4) On extreme cases the power might fail days. I believe this is very unlikely to happen. More is great but, really, how ofter power will fail more than 3 hours? I believe once every year at best. Well, that's too rare to care about. Given the above, I am looking for a cost effective way to archive 1-3 hour power or 6 hour if possible. Solutions: You guys give me great ideas. 1) Power generator: no good as power will fail for 10 seconds before returning. Also I read online, "clean" power generators cost 1.5k+, so it's out of budged. Non clean generator might damage electronics, right? 2) Solar power: i don't know for sure about this. Sounds like a great idea, too good to be true, honestly. For only 200$ i get 100+w? What are the drawbacks here? 3) UPS: This seems to be the best. The only problem is the cost. Cost < 200$ = great 400$ = budged limit

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  • Turn off Mac , Finder App Problem !

    - by Taimur Hamza
    Hi everyone, Whenever i try to turn off my mac. This finder toolbar apears on top. And it doesnt remove even i try to Force Quit this application using Command+Options+Escape. Can anybody please suggest me wats wrong with it ? http://rapidshare.com/files/394092080/Picture_1.png Taimur

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  • Windows 2003 Storage Server Hanging on Large File Transfers

    - by user25272
    In one of our offices we have a Dell PowerVault 745N NAS device which acts as the main file server. Its running 32bit Windows 2003 Storage Server SP2 with 3GB RAM. The server holds around 60 users HOME folders, which are mapped via AD. The office clients are a mix of XP SP3, Vista and Windows 7. Occasionally the server will completely hang when transferring large files. When the hang happens the console becomes unresponsive with only the mouse active and blank wallpaper. Sometimes stopping the copy frees the server, sometimes not. The hanging can last around 20 minutes. During this time other servers also become unresponsive with blank wallpaper at the console. If you do manage to get onto another server the taskbar and run commands are unresponsive. This also transcends to the client computers sometimes with explorer crashing. I'm guessing this is due to the HOME folder mapping. Eventually the NAS server with free up and everything will be back to normal. The server is configured as follows: PERC 4/DC DATA 2 - 12 SCSI HDD - RAID5 SHADOWCOPY 2 SCSI HDD - RAID1 CERC SATA DATA 11 4 SATA HDD - RAID5 OS 4 SATA HDD - RAID5 All the drivers and firmware is up to date. I've been through all the diagnostics with Dell and the hardware has come up clean including full HDD tests on the arrays. The server has NOD32 installed as the AV, but the hanging happens when it is uninstalled. There are no errors in the event log when this happens and we don't have any errors logged on any of our ProCurve switches. DNS is fine on the domain and AD from what I can tell is running happily. There are no DFS or NFS shares setup either. All the shares are standard Windows. I've unchecked the allow the computer to turn off this device to save power box under Power Management on the NIC. "Set Link Speed and Duplex to Auto-negotiate 1000 " Increased Receive Descriptors buffer from 256 to 352 (reserves more CPU resource for handling data) I've run network traces using network monitor and have found the following: 417 8.078125 {SMB:192, NbtSS:25, TCP:24, IPv4:23} 192.168.2.244 192.168.5.35 SMB SMB:R; Nt Create Andx - NT Status: System - Error, Code = (52) STATUS_OBJECT_NAME_NOT_FOUND I've tried different cabling; NICs and switch ports all with the same result. Transferring files from other servers on the domain is fine. All I haven't done is run CHKDSK on the drives to look for any file system errors. On the Vista clients I have also run netsh interface tcp set global autotuning=disabled with no result. Could it be that the server has a faulty drive or that the I/O is too much for it to handle? Any ideas why would the hang cause issues with the other servers on the LAN? Many Thanks.

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  • How can I force all internet traffic over a PPTP VPN but still allow local lan access?

    - by user126715
    I have a server running Linux Mint 12 that I want to keep connected to a PPTP VPN all the time. The VPN server is pretty reliable, but it drops on occasion so I just want to make it so all internet activity is disabled if the VPN connection is broken. I'd also like to figure out a way to restart it automatically, but that's not as big of an issue since this happens pretty rarely. I also want to always be able to connect to the box from my lan, regardless of whether the VPN is up or not. Here's what my ifconfig looks like with the VPN connected properly: eth0 Link encap:Ethernet HWaddr 00:22:15:21:59:9a inet addr:192.168.0.171 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::222:15ff:fe21:599a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:37389 errors:0 dropped:0 overruns:0 frame:0 TX packets:29028 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:37781384 (37.7 MB) TX bytes:19281394 (19.2 MB) Interrupt:41 Base address:0x8000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1446 errors:0 dropped:0 overruns:0 frame:0 TX packets:1446 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:472178 (472.1 KB) TX bytes:472178 (472.1 KB) tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:10.10.11.10 P-t-P:10.10.11.9 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:14 errors:0 dropped:0 overruns:0 frame:0 TX packets:23 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:1368 (1.3 KB) TX bytes:1812 (1.8 KB) Here's an iptables script I found elsewhere that seemed to be for the problem I'm trying to solve, but it wound up blocking all access, but I'm not sure what I need to change: #!/bin/bash #Set variables IPT=/sbin/iptables VPN=`ifconfig|perl -nE'/dr:(\S+)/&&say$1'|grep 10.` LAN=192.168.0.0/24 #Flush rules $IPT -F $IPT -X #Default policies and define chains $IPT -P OUTPUT DROP $IPT -P INPUT DROP $IPT -P FORWARD DROP #Allow input from LAN and tun0 ONLY $IPT -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT $IPT -A INPUT -i lo -j ACCEPT $IPT -A INPUT -i tun0 -m conntrack --ctstate NEW -j ACCEPT $IPT -A INPUT -s $LAN -m conntrack --ctstate NEW -j ACCEPT $IPT -A INPUT -j DROP #Allow output from lo and tun0 ONLY $IPT -A OUTPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT $IPT -A OUTPUT -o lo -j ACCEPT $IPT -A OUTPUT -o tun0 -m conntrack --ctstate NEW -j ACCEPT $IPT -A OUTPUT -d $VPN -m conntrack --ctstate NEW -j ACCEPT $IPT -A OUTPUT -j DROP exit 0 Thanks for your help.

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  • if I set up the expire http header of a css file to 1 year, if I modify that file, will it be ignore

    - by user39511
    I'm using rails with nginx/passenger. If I set up the expire http header of a css file to 1 year, if I modify that file, will it be ignored by the browser (ie, it will not request the new version)? Given that Rails adds a different timestamps to each asset such as foo.css?1270165626 every time I restart the server? That's the config I use right now (nginx/passenger): location ~* \.(ico|css|js|gif|jpe?g|png)(\?[0-9]+)?$ { expires max; break; }

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  • Is DHCP lease expriring years from now okay?

    - by sharptooth
    I'm reviewing Azure web role logs and there's output from ipconfig /all IPv4 Address. . . . . . . . . . . : 10.61.145.37(Preferred) . Subnet Mask . . . . . . . . . . . : 255.255.254.0. Lease Obtained. . . . . . . . . . : Monday, September 24, 2012 12:26:00 PM. Lease Expires . . . . . . . . . . : Thursday, October 31, 2148 6:55:12 PM. you see, the lease expires in year 2148 but my VM will likely not run for more than one month - when I deploy the new version of my code I first deploy it to new VMs, then switch traffic, then release the new VMs. In general such usage pattern is normal - VMs typically live from several dozen minutes to several weeks on Azure. I suspect the lease that long will cause problems on the internal Azure network sooner or later. Is such long DHCP lease okay or is it likely a misconfiguration?

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  • Dangers of Running Computers w/o Air Conditioning

    - by Daniel Bingham
    I recently moved in to an apartment with out air conditioning. This is fine most of the time as I am in upstate New York. It only ever gets above the high 70s during the hottest of the summer months. And when it does, I'm stubborn enough that I'll just deal with wearing minimal clothing around the house. However, I'm worried about my computers. I'm a software developer and gamer, so many of my machines are very high powered. And at least one of them is a server that must be left on 24/7 (not just a game server - also serves multiple websites). I've never before had to worry about the heat too much, as I always lived in buildings with central air. The in building temperature rarely got much above 70 F. All of the machines I built had good enough air cooling that I never saw a problem. Now the temperature in building is pushing 100F and I'm worried that the machines will not be able to keep themselves cool enough by simply blowing already hot air over themselves. The hottest of them I've turned off. However, the server I cannot. It's an old Dell (not custom build) that runs on a Pentium 4 (2.2GHz). It only has a single hard drive, integrated video. And it'd not running any processor intensive servers. Just basic LAMP. It used to run a MUD server, but that's off for now. So it should be idling most of the time. I haven't been able to find any sort of built in temperature sensors in the hardware... at least not any that the programs I've found in the Debian repository can read. And it's an inherited machine to which I do not have the full specs, so I don't know the tolerances anyway. How worried should I be about it melting down on me? How worried should I be about the hard drive melting or becoming corrupted? To generalize the question for other people, what are the safe temperature tolerances for most machines. How widely does it vary, and how does one go about determining when their machine is running too hot and needs to be shut down?

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  • Pasting images into gmail from clipboard, shows fine when sent, but arrives as text

    - by John Robertson
    I have had consistent problems with pasting images into Gmail. I use Firefox (just in case that is relevant, but I wouldn't expect so). The image displays fine as I write it. But when it arrives at my family members Gmail account, it is being displayed in some base64 encoded form as many pages of text with a beginning like: img src="data:image/png;base64,iVBORw0KGgoAAA..... On the receiving end I cannot get the images to display properly.

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  • Separate zone exceptions for each view in BIND

    - by Stefan M
    Problem: Separate zones by query source network and return different records for LAN clients compared to WAN clients. I've implemented this at home on a small alix router with Bind 9.4. One view called "lan" and one view called "wan". The "lan" view had just the root.hints file and one zone. The "wan" view had many other zones, including a copy of the one zone from the "lan" view, but with different records. Querying domain1.tld from the LAN would give me local records. Querying domain1.tld from the WAN would give me external records. Querying domain2.tld from the LAN would give me the same records as from the WAN as it only existed in the WAN view. Now I'm trying to re-implement this on a larger scale and suddenly my view is unable to query anything outside itself. This is natural according to the bind-users list and they suggest I copy all my views into my LAN view. I'm hoping someone here has a better solution because that means I'll have to copy, and maintain, thousands of zone files in multiple views. This is unfeasible. My configuration at home resembles this. acl lanClients { 192.168.22.0/24; 127.0.0.1; }; view "intranet" { match-clients { lanClients; }; recursion yes; notify no; // Standard zones // zone "." { type hint; file "etc/root.hint"; }; zone "domain1.tld" { type master; file "intranet/domain1.tld"; }; }; view "internet" { match-clients { !localnets; any; }; recursion no; allow-transfer { slaveDNS; }; include "master.zones"; }; Requests from the LAN for domain1.tld give local records, requests from the WAN give remote records. This works fine both at home and in my new Bind 9.7 on a larger scale. The difference is that at home I have somehow managed to make my LAN get remote records from domains in master.zones, without specifying those zones as duplicates in the "intranet" view. Trying this on a larger scale with Bind 9.7 I get no results at all except for the zones specified in the view. What am I missing? I've tried the same configuration for Bind 9.7.

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  • Chrome Problems on Windows 8

    - by Akshat Mittal
    There are a lot of problems with Chrome (24.0.1312.14 beta || But all this happened before update also) on Windows 8. Problems and explanations are listed below: Google Chrome re-draw time: When I switch tabs, the window retains the content of the previous tab and displays that even if I move my mouse, if only refreshes (re-draws) when there is a change on the webpage (like on hover) or I do a select all (or scroll). One thing to note is that the hover and select happens on the real page and not the retained image-like thing of the older webpage. Chrome is slow and laggy: Websites such as Facebook and Twitter (and more) have gone extremely laggy on Chrome (Win 8). When I was using Windows 7, I never experienced a lag or something. Also when using HTML-5 Websites, the transition (the -webkit-transition in CSS) goes extremely slow at times. Plugins Crash: Plugins like Flash Player, Shockwave Player, and more that are in-built into Chrome Crashes a lot, even when doing simple tasks like playing YouTube Videos, displaying ads or something. Chrome Crashes: Chrome has crashed over 100 times in the past month. Google Chrome just crashes randomly or I don't know the reason. Random Page crashes: Chrome results chrome://crash/(Copy-Paste this in address bar) on random pages even when the page is just loaded, I understand that this can happen on heavy HTML5 or JS websites but what about HTML only websites! Most of the things above happens on Super User also, Super User never had any problem when using Chrome on Windows 7. UPDATE 1: @magicandre1981 Commented for trying to disable Hardware Acceleration. I tried it, it somewhat solved the problem but din't fix it. I am still experiencing all the above issues but less frequently (maybe because Chrome Restarted Completely) UPDATE 2: @avirk asked me to try a Stable Version of Chrome and Firefox, I din't experience any lag in Firefox, a little (negligible) lag in Chrome 22 (Maybe because its a new copy of Chrome, I haven't used it much). Is anybody else experiencing such issues? Does anybody has a solution to any of these? Any Help is appreciated! Thank You!

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  • blocking hotlinking with .htaccess only works for plain domain, when preceeded by www no block

    - by casualprogrammer
    Having tried all sorts of suggestions popping up from google, I am at my wit's end. Presently I use a solution created with htaccesstools.com/hotlink-protection/ RewriteEngine on RewriteCond %{HTTP_REFERER} !^$ RewriteCond %{HTTP_REFERER} !^http://(www\.)?mydomain.tld/.*$ [NC] RewriteRule \.(gif|jpg|jpeg|png|js|css)$ - [NC,F,L] Checking it out with altlab.com/htaccess_tutorial.html testing facility (near bottom of page ) shows no image if mydomain.tld/mypic.jpg is entered, while if prefixed with www (www.mydomain.tld/mypic.jpg) the pic is displayed. Any helpful comments welcome.

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  • Need an excel macro to produce a formatted text file

    - by user139238
    I am just learning how to make macros and I found a macro that nearly does what I need it to do, which is output a text file from Excel. What I need it to do is output this in a .mhd format, which I have done, and then take all the data written in the #fnum cells and place a return after each in the Excel file. Essentially I just need all the data to have their a specific line in the text file. I am certain there is an elegant way to go about this, but I can't seem to get it. Sub CreateFile() Do While Not IsEmpty(ActiveCell.Offset(0, 1)) MyFile = ActiveCell.Value & ".mhd" 'set and open file for output fnum = FreeFile() Open MyFile For Output As fnum 'use Print when you want the string without quotation marks Print #fnum, ActiveCell.Offset(0, 5); " " & ActiveCell.Offset(0, 6); " " & ActiveCell.Offset(0, 7); " " & ActiveCell.Offset(0, 8); " " & ActiveCell.Offset(0, 9); " " & ActiveCell.Offset(0, 10); " " & ActiveCell.Offset(0, 11); " " & ActiveCell.Offset(0, 12); " " & ActiveCell.Offset(0, 13); " " & ActiveCell.Offset(0, 14); " " & ActiveCell.Offset(0, 15); " " & ActiveCell.Offset(0, 16); " " & ActiveCell.Offset(0, 17); " " & ActiveCell.Offset(0, 18); " " & ActiveCell.Offset(0, 19); " " & ActiveCell.Offset(0, 20); " " & ActiveCell.Offset(0, 21); " " & ActiveCell.Offset(0, 22); " " & ActiveCell.Offset(0, 23); " " & ActiveCell.Offset(0, 24); " " & ActiveCell.Offset(0, 25); " " & ActiveCell.Offset(0, 26) Close #fnum ActiveCell.Offset(1, 0).Select Loop End Sub

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