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• Is there some text mode browser that supports at least basic javascript?

  - by GJ

  I looked at links2 and elinks - neither one seems to even support a simple javascript redirect on a site. Any ideas? Is there some sort of text mode for some opensource browser e.g. Firefox that I can compile and use? Thanks!

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• Ubuntu server; Backup of server and MySql database, and Solr database

  - by Camran

  How is backup done on ubuntu servers? I have a server (Ubuntu 9.10) which has apache2 installed, php5, mysql etc... The website is a classifieds website where all classifieds are stored in mysql and Solr. I need to backup this server with all information to be able to fully restore it if something goes wrong. How should I start? Is it an automated task, or will I do backups manually? (prefer manually) Thanks

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• What is the most secure way to allow a user read access to a log file?

  - by gAMBOOKa

  My application requires read access to /var/log/messages, which belongs to user and group root. What is the minimal exposure level required on /var/log/messages so my application can read it? Presently, my plan is to change the group ownership of /var/log/messages to a new group, and add root and my application user to it, but this would also give the application write privileges to /var/log/messages. OS: Centos 5.5

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• How to reliably keep an SSH tunnel open?

  - by Peltier

  I use an SSH tunnel from work to go around various idotic firewalls (it's ok with my boss :)). The problem is, after a while the ssh connection usually hangs, and the tunnel is broken. If I could at least monitor the tunnel automatically, I could restart the tunnel when it hangs, but I haven't even figured a way of doing that. Bonus points for the one who can tell me how to prevent my ssh connection from hanging, of course!

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• Ubuntu/ Gnome : Open an application is a specific workspace

  - by bguiz

  How do tell an application to open in a specific workspace? More info: I like to have my C++ IDE in workspace 2, my Java IDE in workspace 3, and my email, browser and miscellaneous in workspace four. I also use a shell script that executes upon log in: #!/bin/bash gnome-terminal & # WS 1 netbeans-6-9-1 & # WS2 qtcreator-2-0-1 & # WS 3 firefox & # WS 4 thunderbird & # WS 4 Of course currently it all opens in the curent workspace... Is there a way for me to specify which workspace each command should start in? Thanks in advance!

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• Explaining Git to someone new to revision control

  - by MaxMackie

  I've recently decided to jump into the whole world of revision control to work on some open source projects I have. I looked around (subversion, mercurial, git, etc) and found that Git seemed to make more sense conceptually to me. I've set everything up on my computer (opensuse) and made an account on gitorious (let me know if there is a more simple/better hosting provider). I understand Git from a conceptual point of view (work locally, commit to a local repo, others can now checkout from you, right?). But where does gitorious come into play? I commit to them as well as committing locally? Apart from conceptually, I don't quite understand HOW it works when it comes to making a local repository and running git init inside a folder and that HEAD file. Keep in mind I have never used any form of revision control ever before. So even the most basic concepts are foreign to me. As I post this, I'm also reading up and trying to figure it out myself.

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• Why does sshd give a different identification when connecting through netcat?

  - by Robbie Mckennie

  I have been attempting to create a way to ssh into a machine hiding behind a firewall. I set up my ssh client with the option Proxycommand /usr/bin/ncat -l 2000, and then I connect it to sshd with ncat <client> 2000 -c "sshd -i" on the server. It works in that I can get a shell on the server, but the server sends a different key than when I use normal ssh. So the question is, why? Is the key different when sshd is called in this unusual way?

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• How to mount remote sambe from local host with multiple groups ?

  - by Dragos

  I am using mount.cifs to mount a remote samba share (both client and server are Ubuntu server 8.04) like this: mount.cifs //sambaserver/samba /mountpath -o credentials=/path/.credentials,uid=someuser,gid=1000 `$ cat .credentials username=user password=password I mounted a user from local system with username and password with mount.cifs but the problem is that the user is part of multiple groups on the remote system and with mount.cifs I can only specify one gid. Is there a way to specify all the gids that the remote user has ? Is there a way to: 1) Mount the remote samba with multiple groups on the local system ? 2) Browse the mount from 1) with the terminal since I want to pass some files from samba as arguments to local programs. Other solutions would be: nautilus sftp:// which runs through gvfs but the newer gnome does not write to disk the ~/.gvfs anymore so I can't browse it in terminal. An the last solution would be nfs but that means that I have to synchronize the uids and gids on the local system with the ones from the server.

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• How do I find out with Ubuntu whether my computer has a SATA or PATA hard drive interface?

  - by Pieter

  Is there a tool for Ubuntu that will detect whether I have a SATA or a PATA hard drive interface, even if there's no hard drive inserted?

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• Samba server with Virtual Box Guest

  - by Anwar Shah

  I want to setup a samba server on My Ubuntu host for My Windows Guest in Virtual Box. I am using Ubuntu 12.04 and Windows version is Windows XP. VirtualBox 4.1.0.0 The Question is : How can I achieve this or Is it possible? Note: I am not trying to use the shared folder feature of Virtual Box. I used that feature already. Please Remember that I have only a physical machine. The other one is virtual.

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• Apache - The name

  - by Josh

  I am working on a migration to a newer virtualized server. The old one has Apache 2.2.4 according to the old servers phpinfo(). The new one with the most up to date has 2.2.3 . How can this be assuming no trickery is involved? The old one is years old. Alot of the guides I reference use apache2 in folders names and many of the conventions. The newest version of things, as I understand it is called httpd. Did apache change the name from what it originally was? (i.e. break the web server component into its own project called httpd, I realize the original daemon was probably still called httpd)

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• df shows negative values for used

  - by GriffinHeart

  Hey everyone, first question around here. I have a centos 5.2 server and running df -h i get this: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 672G -551M 638G 0% / /dev/hda1 99M 12M 82M 13% /boot tmpfs 2.0G 0 2.0G 0% /dev/shm that space wasn't even near 10% usage the last time it showed a correct value, i'm at a loss with whats going on. Thanks.

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• killing all instances of chrome on the command line?

  - by Fedor

  In some cases killing a single tab/process doesn't do it and I need to close Chrome entirely. Since Chrome has multiple processes, how can I close all of them at once? I know that... pgrep chrome returns all the pids, can someone tell me a trick that would allow me to close all of them by feeding them to another command or merging them to a csv or something?

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• How to query a DHCP server to get the local DNS servers

  - by Dan Berlyoung

  I have a ClarkConnect (CentOS based) box running as my home router on a RR connection. I had the DNS servers set up to use Google's DNS server. I want to change them back to the local DNS servers but I can't find an obvious/easy way to get those address short of a) reconfiguring the router's network to DHCP them (would rather not interrupt everyone) or b) calling their tech support (kill me now!). Is there a command line tool/command I can use to query the DHCP server on the external NIC to see what DNS servers it would set me up with w/o munging my existing setup?

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• Apache - The name

  - by Joshua Enfield

  I am working on a migration to a newer virtualized server. The old one has Apache 2.2.4 according to the old servers phpinfo(). The new one with the most up to date has 2.2.3. How can this be assuming no trickery is involved? The old one is years old. A lot of the guides I reference use apache2 in folders names and many of the conventions. The newest version of things, as I understand it is called httpd. Did apache change the name from what it originally was? (i.e. break the web server component into its own project called httpd, I realize the original daemon was probably still called httpd)

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• Set nginx.conf to deny all connections except to certain files or directories

  - by Ben

  I am trying to set up Nginx so that all connections to my numeric ip are denied, with the exception of a few arbitrary directories and files. So if someone goes to my IP, they are allowed to access the index.php file, and the phpmyadmin directory for example, but should they try to access any other directories, they will be denied. This is my server block from nginx.conf: server { listen 80; server_name localhost; location / { root html; index index.html index.htm index.php; } location ~ \.php$ { root html; fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /srv/http/nginx/$fastcgi_script_name; include fastcgi_params; } } How would I proceed? Thanks very much!

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• mod rewrite help

  - by Benny B

  Ok, I don't know regex very well so I used a generator to help me make a simple mod_rewrite that works. Here's my full URL https://www.huttonchase.com/prodDetails.php?id_prd=683 For testing to make sure I CAN use this, I used this: RewriteRule prodDetails/(.*)/$ /prodDetails.php?id_prd=$1 So I can use the URL http://www.huttonchase.com/prodDetails/683/ If you click it, it works but it completely messes up the relative paths. There are a few work-arounds but I want something a little different. https://www.huttonchase.com/prod_683_stainless-steel-flask I want it to see that 'prod' is going to tell it which rule it's matching, 683 is the product number that I'm looking up in the database, and I want it to just IGNORE the last part, it's there only for SEO and to make the link mean something to customers. I'm told that this should work, but it's not: RewriteRule ^prod_([^-]*)_([^-]*)$ /prodDetails.php?id_prd=$1 [L] Once I get the first one to work I'll write one for Categories: https://www.huttonchase.com/cat_11_drinkware And database driven text pages: https://www.huttonchase.com/page_44_terms-of-service BTW, I can flip around my use of dash and underscore if need be. Also, is it better to end the URLs with a slash or without? Thanks!

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• Over writing output to a text file

  - by Naveen Gamage

  I'm trying to write wget command's output to a text file, but it always appends to the text file. #!/bin/sh download() { local url=$1 echo -n " " wget --progress=dot $url 2>&1 | grep --line-buffered "%" | \ sed -u -e "s,\.,,g" | awk '{printf("\b\b\b\b%4s", $2)}' echo " DONE" } file="$1" echo -n "Downloading $file:" download "$file" > file.log I tried using using > won't work, where am I doing wrong?

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• Easier way to create floppy disk images?

  - by Bryan

  I'm using Vyatta routers with KVM and want to attach a floppy drive with a config file for Vyatta when I boot the image. I'll be doing this over and over again, and as such am looking for an automated way of creating the floppy images. Right now, I'm doing the following: Create floppy image with qemu-img create Format floppy image with mkdosfs Mount floppy image with mount -t fat /tmp/floppy.img /media/floppy Populate floppy image with cp -r /tmp/configs/ /media/floppy/ Unmount floppy image with umount /media/floppy Save floppy image with mv /tmp/floppy.img ~/floppies/ Any chance there's an easier way to do this?! Perhaps a shortcut application that I can give a directory to and it will do all this for me w/out having to mount the image?

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• Debian package with init.d without autostart

  - by viraptor

  Hi, I'm trying to create a package which contains the init.d file, but doesn't try to start the daemon right after the installation. Currently, I'm using scripts created from the dh_make template. Right after installation, dpkg wants to start the service. I'd like to stop it from doing that - the daemon will be always started / stopped manually.

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• SSH connection falling down

  - by kappa

  I've set up a connection with autossh that creates some tunnels at system startup, but if I try to connect, after successful login (with RSA key) connection fall down, here a trace: debug1: Authentication succeeded (publickey). debug1: Remote connections from LOCALHOST:5006 forwarded to local address localhost:22 debug1: Remote connections from LOCALHOST:6006 forwarded to local address localhost:80 debug1: channel 0: new [client-session] debug1: Requesting [email protected] debug1: Entering interactive session. debug1: remote forward success for: listen 5006, connect localhost:22 debug1: remote forward success for: listen 6006, connect localhost:80 debug1: All remote forwarding requests processed debug1: Sending environment. debug1: Sending env LANG = it_IT.UTF-8 debug1: Sending env LC_CTYPE = en_US.UTF-8 debug1: client_input_channel_req: channel 0 rtype exit-status reply 0 debug1: client_input_channel_req: channel 0 rtype [email protected] reply 0 debug1: channel 0: free: client-session, nchannels 1 Transferred: sent 2400, received 2312 bytes, in 1.3 seconds Bytes per second: sent 1904.2, received 1834.4 debug1: Exit status 1 What can be the problem? All this stuff is managed by a script already running on another machine (creating reverse tunnels on the same machine but with different ports)

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• mount multiple folders with nfs4 on centos

  - by microchasm

  I'm trying to get nfs4 working here. Machine 1 (server) I have a folder and in it 2 other folders I'm trying to share independently. /shared/folder1 /shared/folder2 Problem is, I can't seem to figure out how to mount the folders independently on the client. (Machine 1 - server) /etc/exports: /var/shared/folder1 192.168.200.101(rw,fsid=0,sync) /var/shared/folder2 192.168.200.101(rw,fsid=0,sync) ... exportfs -ra (Machine 2 - client) /etc/fstab: 192.168.200.201:/folder1/ /home/nfsmnt/folder1 nfs4 rw 0 0 ... mount /home/nfsmnt/folder1 mount.nfs4: 192.168.200.201:/folder1/ failed, reason given by server: No such file or directory The folder is there. I'm positive. I think there is something simple I'm missing, but I'm totally missing it. It seems like there should be a way in fstab to tell nfs which folder on the server I want to mount. But I can only find references to what looks like a root mount point (e.g. 192.168.1.1:/) which I assume is handled by exports on the server. But even with the folders set up in exports, there doesn't seem to be an apparent way to pich and choose which gets mounted. Is it not possible to mount separate folders from the same server to different mount points on the client? Any help appreciated.

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• Debian: video problems with VLC

  - by kemp

  I have a problem playing AVI divx files with VLC. Yesterday upon start VLC showed an error message complaining about divx codecs and refused to proceed. Today the player starts but the video is squashed horizontally (it occupies roughly 1/4th of the VLC window which is for the other part black). I'm on an updated testing system, and before yesterday VLC was playing fine. In the meantime - after a recent dist-upgrade - I cannot run X with proprietary ATI drivers anymore, I have to use the FOSS radeonhd ones instead. I don't know if that's related but I thought it could be worth mentioning (and by the way if anyone has suggestions about this problem too, that'd be very much appreciated). How can I fix VLC's problem?

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• Increasing the volume of sound on backtrack 4

  - by john

  The sound on backtrack 4 is too low, I am running a live cd but cant seem to find the volume nob.Any help will be apreciated

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• Three server processes consume no more than 50% of Dual Core CPU

  - by thor

  I have three processes running on Intel Core 2 Duo CPU. From watching output of 'top' and graphs of CPU load (drawn by MRTG, data collection via SNMP) I can see that CPU load is never more than 50%, and, most of the day, when those processes are busy CPU load has a ceiling at 50 %. I mean, CPU load grows up to 50% in the morning and stays there until late evening. My first thought was that only one core was used at 100% thus giving 50% of both CPUs. But, as there are three processes running and from 'top' I see that both cores are being loaded, so this is not the case. schedtool shows that CPU affinity for those three processes is at default, 0x03, allowing them to use both cores. If I force one process to one core (schedtool -a 0x01), and two others to second (schedtool -a 0x02), cumulative usage grows beyond 50%. Why three processes seem to consume only 50% of two cores? Why forcing them to different CPUs allows usage to grow higher? Any hints? P.S. Processes in question are Counter-Strike servers.

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