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• How GZipped contents are transfered on the web?

  - by PJ

  I heard that static contents like CSS and JavaScript can be better delivered in GZip format. And Content Developer Network (CDN) always does so. However I don't understand how the format works. First when I tried making a gzipped file via command-line. The file extension is .gz. This is different from .css and .js. How do browsers recognize which file is gzipped or not. Second, how browsers "decompress" files? I dragged my index.html.gz onto my browsers. But no one worked. How do such gzipped work in the real world? What do I need to do if I want to serve CSS/JavaScript using Gzipped format.

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• Run a script after killing lxsession (xorg)

  - by user284194

  I am trying to run a program automatically within a bash script after killing the LXDE session. My script consists of: #!/bin/sh pkill lxsession; sh /home/pi/RetroPie/EmulationStation/emulationstation My aim is to log out of the LXDE session and run EmulationStation on my Raspberry Pi with a bash script. I'm using pkill lxsession; to bypass lxsession's logout confirmation dialog. As it stands, this script just gets me to the command line from a working LXDE desktop. Thanks for reading.

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• Installing httpssl module on a running NGINX server

  - by Rob

  Hi, New to NGINX, we inherited a project that runs Django/FCGI/NGINX on a hosted RHEL box. A requirement has come in that the site now needs to have ssl enabled. Client was pretty sure the person who had built the site had made it so they could use ssl. I backed up the conf file, added the server block for the ssl instance and tried to reload. Reload failed because it didn't recognize the ssl in this line: ssl on; Not an NGINX expert, but the David Caruso in me tells me that the server (sunglasses on) is not secure. I know that you need to configure NGINX at install with this module. If this didn't happen, how hard/risky is it to reconfigure a running nginx box with this module given that we didn't configure it in the first place.

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• Nginx rewrite with Simple Machines Forum

  - by Kevin Worthington

  I am running Nginx 1.5.6 and I use the Simple Machines Forum software. Most rewrite rules seem to work properly, with the exception of the RSS feeds. In my Nginx configuration, I have the following line which is supposed to handle URLs which contain ".xml": rewrite ^/forum/(\.xml|xmlhttp)/?$ "/forum/index.php?pretty;action=$1" last; The above rule produces the following URL for the main forum, which returns a 403 Error: http://www.mydomain.com/forum/.xml/?type=rss I would like the rewrite rule to produce this type of URL, which returns code 200 (a real page): http://www.mydomain.com/forum/?type=rss;action=.xml Here is the entire block pertaining to the forum rewrites: http://pastebin.com/raw.php?i=tZkAibW3 I would really appreciate some help to create a rewrite rule to do that. Thanks.

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• Microsoft word 2007 unusual problem

  - by Nitz

  Hey guys,i was working today on Microsoft word 2007.their on the first line, as soon as try to save the file, then one sentence is written automatically. the sentence is like this This text was added by using code.if i try to remove that sentence then also , it comes again. if i try to save the file then, this sentence is included again.is any one had gone through this kind of error?if i try to take new file now, then also in new file if i don't write any thing, and then i save the file then this sentence is auto. included in the file.

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• How to get osx terminal.app and screen/vim scrolling to play nice?

  - by rustychains

  OSX 10.6.3 terminal.app Am a pretty dedicated screen user. Terminal.app line buffer and/or scroll does not seem to work for me. That is while in screen anything that goes past the top of the frame is gone, can't scroll back to. This seems to work ok in other terminal apps gnome, cygwin. Perhaps this is a shell env, config, or command? .screenrc: startup_message off autodetach on shell -$SHELL vbell off defutf8 on caption always caption string "%{= wk}%w" I have tried using defscrollback here with different values, but doesn't have an effect. some .bashrc settings: set -o physical export TERM=xterm-color shopt -s checkwinsize

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• mod_access for lighttpd causes a 403 error for all POST requests

  - by Sam

  I have found on my debian server that running the lighttpd module mod_access is causing the server to response with a 403 to all POST requests. It's very odd as I have two servers, one is running as I'd expect and the other keeps returning these 403's. They are running identical configs for lighttpd and php. My lighttpd.conf is: https://gist.github.com/4269500 There is also one other custom conf: https://gist.github.com/4269508 I've opened up the servers for requests until I get this fixed, the server that works is http://mercury.isitup.org/ and the one that fails is http://venus.isitup.org/. After working out that disabling mod_access resolves the problem I greped all my lighttpd configs for uses of it (docs). Disabling each line I found didn't help, leading me to think this is perhaps some default behaviour (or bug?)... Has anyone come across this before or know what configuration value I've got wrong? Versions Debian: Debian GNU/Linux 6.0.6 (squeeze) Lighttpd: lighttpd/1.4.28 (ssl) PHP: PHP 5.3.19-1~dotdeb.0 with Suhosin-Patch (cli)

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• Apache 410 Gone instructions not working with mod_alias nor mod_rewrite

  - by Peter Boughton

  Apache 2.2 seems to be ignoring instructions to return a 410 status. This happens for both mod_alias's Redirect (using 410 or gone) and mod_rewrite's RewriteRule (using [G]), being used inside a .htaccess file. This works: Redirect 302 /somewhere /gone But this doesn't: Redirect 410 /somewhere That line is ignored (as if it had been commented) and the request falls through to other rules (which direct it to an unrelated generic error handling script). Similarly, trying to use a RewriteRule with a [G] flag doesn't work, but the same rule rewriting to a script that generates a 410 does - so the rules aren't the problem and it seems instead to be something about 410/gone that isn't behaving. I can workaround it by having a script sending the 410, but that's annoying and I don't get why it's not working. Any ideas?

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• Using mod_rewrite to shutdown website.

  - by moolagain

  Hi, I am trying to shutdown a website to everyone except my ip address. I almost have it working. I cannot access www.mysite.com, but I can access all folders that have another .htaccess file in them. I have a .htaccess file in /www with the following code: #Use this when website is down RewriteEngine on #this allows access through my ip RewriteCond %{REMOTE_ADDR} !^(66\.777\.888\.99)$ RewriteRule !down.php$ /down.php [L] Some folders in my site have .htaccess files in them. If I have a file with the line: RewriteEngine on I can still access the folder. For example, if I have the second .htaccess file in /www/about, then I can still access mysite.com/about (but the .css file included on that page actually loads down.php). If I delete "RewriteEngine on" I get redirected to down.php. Any ideas? I think my mod_rewrite gets confused with multiple .htaccess files. Thanks!

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• Add TOC to PDF from XML/JSON/file?

  - by Elias

  I currently have a PDF file without any ToC (for example, in Mac's Preview.app, I can't see the ToC in the sidebar). But I have the TOC in XML format, where there is a title and a pagenumber where that section starts. Is there any way I can add that TOC to my PDF file in a batch way? Since I have the TOC in XML, I can basically parse it in any possible way, so if there were a command line to add an TOC item to a PDF, I could also do that. Any ideas?

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• Cisco ASA 5505 (8.05): asymmetrical group-policy filter on an L2L IPSec tunnel

  - by gravyface

  I'm trying to find a way to setup a bi-directional L2L IPSec tunnel, but with differing group-policy filter ACLs for both sides. I have the following filter ACL setup, applied, and working on my tunnel-group: access-list ACME_FILTER extended permit tcp host 10.0.0.254 host 192.168.0.20 eq 22 access-list ACME_FILTER extended permit icmp host 10.0.0.254 host 192.168.0.20 According to the docs, VPN filters are bi-directional, you always specify the remote host first (10.0.0.254), followed by the local host and (optionally) port number, as per the documentation. However, I do not want the remote host to be able to access my local host's TCP port 22 (SSH) because there's no requirement to do so -- there's only a requirement for my host to access the remote host's SFTP server, not vice-versa. But since these filter ACLs are bidirectional, line 1 is also permitting the remote host to access my host's SSH Server. The documentation I'm reading doesn't seem to clear to me if this is possible; help/clarification much appreciated.

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• Crossover LAN connection between Ubuntu And Windows 7 is not working

  - by brett

  my question is closely related to: How do I connect Ubuntu 10.04 and Windows 7 with an Ethernet cable? What I am after is: Windows 7-------wireless-----\ Wifi router Ubuntu 10.04----wireless-----/ Windows 7-------wireless-----\ | cross_over_cable Wifi router | Ubuntu 10.04----wireless-----/ What I did was On Windows edit system32\drivers\etc\hosts Add the following line: 192.168.253.2 my_ubuntu_computer_name_&-wired //?not sure if this is right On Ubuntu: sudo gedit /etc/hosts Add the following line: 192.168.253.1 my_pc_computer_name&-wired //?not sure if this is right and then Ubuntu 12.04 as the host Right click on the Network Manager applet, click Edit Connections... In the Wired tab, click Auto eth0, then click Edit... In the IPv4 Settings tab, change Method: to Shared to other computers. Click Apply and enter your password when it asks you. Close everything and reboot. Plug the Ethernet cable into both computers. But, I can connect to my windows network folders from ubuntu via wifi I can't connect to my ubuntu network folders from windows via wifi(in fact this bit was working before - so my wifi connection is worse) my ubuntu Auto Ethernet seems to be on From Ubuntu eth0 Link encap:Ethernet HWaddr 00:11:2f:f3:43:8d inet addr:10.42.0.1 Bcast:10.42.0.255 Mask:255.255.255.0 inet6 addr: fe80::211:2fff:fef3:438d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:172 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:27279 (27.2 KB) Interrupt:19 Base address:0xe400 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:1147 errors:0 dropped:0 overruns:0 frame:0 TX packets:1147 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:94380 (94.3 KB) TX bytes:94380 (94.3 KB) wlan0 Link encap:Ethernet HWaddr 00:03:c9:e9:6f:bf inet addr:10.1.1.7 Bcast:10.1.1.255 Mask:255.255.255.0 inet6 addr: fe80::203:c9ff:fee9:6fbf/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:13186 errors:0 dropped:0 overruns:0 frame:0 TX packets:12187 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1598882 (1.5 MB) TX bytes:1189555 (1.1 MB) From Windows: Windows IP Configuration Ethernet adapter Bluetooth Network Connection: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Wireless LAN adapter Wireless Network Connection: Connection-specific DNS Suffix . : BoB Link-local IPv6 Address . . . . . : fe80::ecf7:c445:3725:b9c1%12 IPv4 Address. . . . . . . . . . . : 10.1.1.4 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 10.1.1.1 Tunnel adapter Local Area Connection* 15: Connection-specific DNS Suffix . : IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:1423:3ae3:f5fe:fefb Link-local IPv6 Address . . . . . : fe80::1423:3ae3:f5fe:fefb%23 Default Gateway . . . . . . . . . : :: Tunnel adapter isatap.BoB: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : BoB Tunnel adapter isatap.{D0C8EBA1-335D-4620-8570-6C36E8786D72}: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . :

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• Win7 OpenSSH config: no address associated with name

  - by Jonah

  I am using OpenSSH on win7. My home dir is C:\Users\JG, and inside that dir I have the file C:\Users\JG\.ssh\config, with these contents: Host <redacted server ip here> HostName digitalocean_git User git IdentityFile ~/.ssh/digitalocean_moocho/id_rsa The id file pointed to by the "IdentityFile" entry works, as I use it just fine via putty, but for this problem I am trying to get command line OpenSSH working. The crux of the problem is explained by this output: >ssh -v digitalocean_git OpenSSH_4.6p1, OpenSSL 0.9.8e 23 Feb 2007 debug1: Reading configuration data /c/Users/JG/.ssh/config ssh: digitalocean_git: no address associated with name Why is no address associated with the name? How can I make this work?

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• In TCP/IP terms, how does a download speed limiter in an office work?

  - by TessellatingHeckler

  Assume an office of people, they want to limit HTTP downloads to a max of 40% bandwidth of their internet connection speed so that it doesn't block other traffic. We say "it's not supported in your firewall", and they say the inevitable line "we used to be able to do it with our Netgear/DLink/DrayTek". Thinking about it, a download is like this: HTTP GET request Server sends file data as TCP packets Client acknowledges receipt of TCP packets Repeat until download finished. The speed is determined by how fast the server sends data to you, and how fast you acknowledge it. So, to limit download speed, you have two choices: 1) Instruct the server to send data to you more slowly - and I don't think there's any protocol feature to request that in TCP or HTTP. 2) Acknowledge packets more slowly by limiting your upload speed, and also ruin your upload speed. How do devices do this limiting? Is there a standard way?

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• Removing emails from all mailbox with certain text in subject

  - by Doug Luxem

  So, we had an errant program kick off about 15,000 emails to our users. I have our spam filters now blocking these on the edge until that gets resolved, but now I would like to clean our our users' mailboxes for them. Is there anyway with Exchange 2007 to remove all emails with certain text in the subject line? It would need to be a partial match because the subject changes slightly for each email. I am trying to do this with Forefront's manual scan job + content filter, but it does not seem to like partial matches on the subject.

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• How to run "mongodb --repair" if it's an Upstart job?

  - by Wolfram Arnold

  My MongoDB server died. The log says something about an unclean shutdown and an existing mongodb.lock file. It recommends to remove the lock file, then restart the mongodb server with --repair. However, on my system (Ubuntu 10.10), I've installed MongoDB via an apt-get package, and it's set up as Upstart job. If I run mongodb from the command line, it won't find the data, none of the paths are set correctly. Surely, I could read the man page, try to emulate what Upstart would do, give it all the correct parameters plus --repair but that seems like a lot of trouble. There must be a simpler way, that's not fighting Upstart. What is it?

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• Drive Shows No Files But Half Space Gone

  - by Chance Robertson

  I have a 500 GB USB drive. When I go to Windows Explorer or Finder, the drive shows that about half the drive is free. However, when I open either drive in Windows 7 or OS X, no files how up. I have tried to look at the files through the command line and nothing shows. A while back, I hooked it up to my MacBookPro and there was a quick message that said the drive was not ejected properly, blah, blah. And of course I did not read the message and hit OK. It there any way to get back my files from the drive?

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• Bridging LXC containers to host eth0 so they can have a public IP

  - by Vianney Stroebel

  UPDATE: I found the solution there: http://www.linuxfoundation.org/collaborate/workgroups/networking/bridge#No_traffic_gets_trough_.28except_ARP_and_STP.29 # cd /proc/sys/net/bridge # ls bridge-nf-call-arptables bridge-nf-call-iptables bridge-nf-call-ip6tables bridge-nf-filter-vlan-tagged # for f in bridge-nf-*; do echo 0 $f; done But I'd like to have expert opinions on this: is it safe to disable all bridge-nf-*? What are they here for? END OF UPDATE I need to bridge LXC containers to the physical interface (eth0) of my host, reading numerous tutorials, documents and blog posts on the subject. I need the containers to have their own public IP (which I've previously done KVM/libvirt). After two days of searching and trying, I still can't make it work with LXC containers. The host runs a freshly installed Ubuntu Server Quantal (12.10) with only libvirt (which I'm not using here) and lxc installed. I created the containers with : lxc-create -t ubuntu -n mycontainer So they also run Ubuntu 12.10. Content of /var/lib/lxc/mycontainer/config is: lxc.utsname = mycontainer lxc.mount = /var/lib/lxc/test/fstab lxc.rootfs = /var/lib/lxc/test/rootfs lxc.network.type = veth lxc.network.flags = up lxc.network.link = br0 lxc.network.name = eth0 lxc.network.veth.pair = vethmycontainer lxc.network.ipv4 = 179.43.46.233 lxc.network.hwaddr= 02:00:00:86:5b:11 lxc.devttydir = lxc lxc.tty = 4 lxc.pts = 1024 lxc.arch = amd64 lxc.cap.drop = sys_module mac_admin mac_override lxc.pivotdir = lxc_putold # uncomment the next line to run the container unconfined: #lxc.aa_profile = unconfined lxc.cgroup.devices.deny = a # Allow any mknod (but not using the node) lxc.cgroup.devices.allow = c *:* m lxc.cgroup.devices.allow = b *:* m # /dev/null and zero lxc.cgroup.devices.allow = c 1:3 rwm lxc.cgroup.devices.allow = c 1:5 rwm # consoles lxc.cgroup.devices.allow = c 5:1 rwm lxc.cgroup.devices.allow = c 5:0 rwm #lxc.cgroup.devices.allow = c 4:0 rwm #lxc.cgroup.devices.allow = c 4:1 rwm # /dev/{,u}random lxc.cgroup.devices.allow = c 1:9 rwm lxc.cgroup.devices.allow = c 1:8 rwm lxc.cgroup.devices.allow = c 136:* rwm lxc.cgroup.devices.allow = c 5:2 rwm # rtc lxc.cgroup.devices.allow = c 254:0 rwm #fuse lxc.cgroup.devices.allow = c 10:229 rwm #tun lxc.cgroup.devices.allow = c 10:200 rwm #full lxc.cgroup.devices.allow = c 1:7 rwm #hpet lxc.cgroup.devices.allow = c 10:228 rwm #kvm lxc.cgroup.devices.allow = c 10:232 rwm Then I changed my host /etc/network/interfaces to: auto lo iface lo inet loopback auto br0 iface br0 inet static bridge_ports eth0 bridge_fd 0 address 92.281.86.226 netmask 255.255.255.0 network 92.281.86.0 broadcast 92.281.86.255 gateway 92.281.86.254 dns-nameservers 213.186.33.99 dns-search ovh.net When I try command line configuration ("brctl addif", "ifconfig eth0", etc.) my remote host becomes inaccessible and I have to hard reboot it. I changed the content of /var/lib/lxc/mycontainer/rootfs/etc/network/interfaces to: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 179.43.46.233 netmask 255.255.255.255 broadcast 178.33.40.233 gateway 92.281.86.254 It takes several minutes for mycontainer to start (lxc-start -n mycontainer). I tried replacing gateway 92.281.86.254 by : post-up route add 92.281.86.254 dev eth0 post-up route add default gw 92.281.86.254 post-down route del 92.281.86.254 dev eth0 post-down route del default gw 92.281.86.254 My container then starts instantly. But whatever configuration I set in /var/lib/lxc/mycontainer/rootfs/etc/network/interfaces, I cannot ping from mycontainer to any IP (including the host's) : ubuntu@mycontainer:~$ ping 92.281.86.226 PING 92.281.86.226 (92.281.86.226) 56(84) bytes of data. ^C --- 92.281.86.226 ping statistics --- 6 packets transmitted, 0 received, 100% packet loss, time 5031ms And my host cannot ping the container: root@host:~# ping 179.43.46.233 PING 179.43.46.233 (179.43.46.233) 56(84) bytes of data. ^C --- 179.43.46.233 ping statistics --- 5 packets transmitted, 0 received, 100% packet loss, time 4000ms My container's ifconfig: ubuntu@mycontainer:~$ ifconfig eth0 Link encap:Ethernet HWaddr 02:00:00:86:5b:11 inet addr:179.43.46.233 Bcast:255.255.255.255 Mask:0.0.0.0 inet6 addr: fe80::ff:fe79:5a31/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:64 errors:0 dropped:6 overruns:0 frame:0 TX packets:54 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:4070 (4.0 KB) TX bytes:4168 (4.1 KB) 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:32 errors:0 dropped:0 overruns:0 frame:0 TX packets:32 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2496 (2.4 KB) TX bytes:2496 (2.4 KB) My host's ifconfig: root@host:~# ifconfig br0 Link encap:Ethernet HWaddr 4c:72:b9:43:65:2b inet addr:92.281.86.226 Bcast:91.121.67.255 Mask:255.255.255.0 inet6 addr: fe80::4e72:b9ff:fe43:652b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1453 errors:0 dropped:18 overruns:0 frame:0 TX packets:1630 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:145125 (145.1 KB) TX bytes:299943 (299.9 KB) eth0 Link encap:Ethernet HWaddr 4c:72:b9:43:65:2b UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3178 errors:0 dropped:0 overruns:0 frame:0 TX packets:1637 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:298263 (298.2 KB) TX bytes:309167 (309.1 KB) Interrupt:20 Memory:fe500000-fe520000 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:6 errors:0 dropped:0 overruns:0 frame:0 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:300 (300.0 B) TX bytes:300 (300.0 B) vethtest Link encap:Ethernet HWaddr fe:0d:7f:3e:70:88 inet6 addr: fe80::fc0d:7fff:fe3e:7088/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:54 errors:0 dropped:0 overruns:0 frame:0 TX packets:67 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:4168 (4.1 KB) TX bytes:4250 (4.2 KB) virbr0 Link encap:Ethernet HWaddr de:49:c5:66:cf:84 inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) I have disabled lxcbr0 (USE_LXC_BRIDGE="false" in /etc/default/lxc). root@host:~# brctl show bridge name bridge id STP enabled interfaces br0 8000.4c72b943652b no eth0 vethtest I have configured the IP 179.43.46.233 to point to 02:00:00:86:5b:11 in my hosting provider (OVH) config panel. (The IPs in this post are not the real ones.) Thanks for reading this long question! :-) Vianney

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• Can I make ssh tell me which control file it would use for multiplexing?

  - by Ryan Thompson

  I am using the following options in my ~/.ssh/config in order to enable connection multiplexing: ControlMaster auto ControlPath ~/.ssh/control/master-%r@%h:%p However, this has the annoying problem that the first shell to connect to a particular server must be the last to disconnect, because it is the master connection that all the other connections are using. So if you log out of the master, it appears to just hang. To solve this, I would like to wrap ssh with a script that checks if the control master file exists, and if not, starts a master ssh process in the background. Then it would start a slave ssh session. In order to accomplish this, my script would have to determine the path to the control file that ssh would use. This would entail parsing the ssh command line options and config files and implementing the logic for determining the ControlPath. Is there any way to just ask ssh what path it would use, so I can check it?

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• Setting up NIS/NFS on Mac OS 10.6

  - by evan

  We have an Ubuntu NIS/NFS server at work and we recently got a few new iMacs. Is there a way to set them up so they can use the linux user accounts and mount the shared nfs files? Are there any guides on how to do this? I've been googling with no success. I tried getting NFS to work by connecting to the server via the Disk Utility but after I run 'sudo automount' from the command line and ls the directory I tried to mount it to (Volumes/nfs) it gives a permissions error. If there isn't a way to do this, anyone know of any not to complicated ways to share user accounts and files between mac and linux computers (and even hypothetically a windows computer one day?) I know its kind a of huge question, but I'll greatly appreciate any advice on the topic. Thanks!

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• How to convert Windows filenames (from a checksums.md5) to *nix notation so I can use it on my shell with md5sum?

  - by Somebody still uses you MS-DOS

  I have some checksums.md5 verification files from an ntfs external drive, but using windows notation: \ instead of /, spaces between file names (not escaped), reserved shell characters (like (, &, ', to name a few). The checksums.md5 has a bunch of checksums and filenames: ;Created by program ;2010 f12f75c1f2d1a658dc32ca6ef9ef3ffc *My Windows & Files (2010)\[bak]\testing.wmv 53445e1a0821b790872e60bd7a166887 *My Windows Files' 2 (2012)\[bak]\testing.wmv 53445e1a0821b790872e60bd7a166887 *My Windows Files ˜nicóde (2012)\[bak]\testing.wmv ;Finished I want to use this checksums.md5 to verify the files that I've copied to my machine: but I'm on a Linux, so I need to convert the names inside checksums.md5 from Windows to Linux to use the md5sum utility from the shell. The first line in my example would become: f12f75c1f2d1a658dc32ca6ef9ef3ffc My\ Windows\ \&\ Files\ \(2010\)/\[bak\]/testing.wmv Is there some application for this (converting a file listing, from windows cmd notation, to linux shell notation) or will I need to create a bash script using sed that just "replaces" what is "wrong" with the filenames?

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• How to configure sudoers to always keep LD_LIBRARY_PATH envrionment variable?

  - by Yanick Girouard

  No matter what I try, it seems that the LD_LIBRARY_PATH environment variable is not kept after I run a command with sudo. The only way I managed to have it stick, is to prefix my sudo command with LD_LIBRARY_PATH=/the/path whenever I call it from the command-line, but I would like to not have to do this every time. It seems the env_keep option ignores this variable, and so does the exempt_group option. My %group currently has ALL=(ALL) NOPASSWD:ALL as its access in sudoers. I would like this specific environment variable to be kept for any command I run. How can I do this? My server is running Red Hat Enterprise Linux 5.7.

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• git log and git stash list return : No such file or directory

  - by Carsten Griesheimer

  I think I've messed something up. When I try the following commands I always get “: No such file or directory“. $ git stash list : No such file or directory $ git log : No such file or directory $ git diff : No such file or directory I tried reinstalling git and updated to mountain lion, searched in my .bash_profile and .bashrc, but nothing changed. I hope you can help me fix it. There is another problem. I don't know if this is related. For each blank line in my .bash_profile I get a : command not found. I commented them out and was fine.

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• Compiling Ruby on Mac OS X Snow Leopard

  - by gryzzly

  Hi, I am trying to follow this tutorial, on the subject of compiling ruby and rubygems on Snow Leopard: http://hivelogic.com/articles/compiling-ruby-rubygems-and-rails-on-snow-leopard I have added this to my ~/.profile: export PATH="/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:$PATH" But if I write: echo $PATH I get: /opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/git/bin:/usr/X11/bin But in tutorial it says: You should see /usr/local/bin at the beginning of the line returned by the system. I have installed macports sometime ago and plenty of other software, perhaps it has changed the path. Anyway, I have tried to proceed with the installation, so I have built ruby, I did: ./configure --enable-shared --enable-pthread CFLAGS=-D_XOPEN_SOURCE=1 make sudo make install cd .. But when I do which ruby I get: /usr/bin/ruby And according to the tutorial that's wrong. Also if I do ruby -v I get the older version of ruby that was preinstalled on Snow Leopard and not the one I've compiled. Thanks.

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• The specified module (mod_h264_streaming) could not be found (Apache2)?

  - by rphello101

  I'm trying to get the mod_h264_streaming to work with my Apache2 server. I downloaded a precompiled version of the mod from here. I read here that all I have to do is extract the file to my modules folder, which I did, and add LoadModule h264_streaming_module modules/mod_h264_streaming.so AddHandler h264-streaming.extensions .mp4 to the httpd.conf, which I also did. However, I get this error when I restart Apache: Syntax error on line 173 of C:/Program Files (x86)/Apache Group/Apache2/conf/httpd.conf: Cannot load C:/Program Files (x86)/Apache Group/Apache2/modules/mod_h264_streaming.so into server: The specified module could not be found. Note the errors or messages above, and press the <ESC> key to exit. 26... Even though the file exists right here: C:\Program Files (x86)\Apache Group\Apache2\modules\mod_h264_streaming.so Can anyone tell me what I'm doing wrong?

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