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• ubuntu's average load never below "0.00 0.01 0.05"

  - by Karma Fusebox

  I have several ubuntu 12.04 VMs running on a ubuntu 12.04 KVM host. Those of the virtual machines that are totally idle with no services (except syslog and the other "small" standard stuff of a fresh installation) show a constant load of "0.00 0.01 0.05" in top/htop as average 1/5/15. When there are "real" applications running, the load averages behave perfectly normal but they never fall below the mentioned values. While this doesn't affect performance at all and could easily be ignored, it screws up the monitoring graphs in a very annoying way: (Notice how load15 behaves nicely if 0.05 for a short time in the right half of the pic) Unfortunately I don't know what diagnostic outputs might be helpful for you, so here's some default stuff: # top top - 16:31:01 up 1:05, 1 user, load average: 0.00, 0.01, 0.05 Tasks: 62 total, 1 running, 61 sleeping, 0 stopped, 0 zombie Cpu(s): 0.2%us, 0.2%sy, 0.0%ni, 99.2%id, 0.5%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1019464k total, 73452k used, 946012k free, 6140k buffers Swap: 0k total, 0k used, 0k free, 22504k cached . # free -m total used free shared buffers cached Mem: 995 72 923 0 6 21 -/+ buffers/cache: 43 951 Swap: 0 0 0 . # iostat -x /dev/vda Linux 3.2.0-32-virtual (vm3) 11/15/2012 _x86_64_ (2 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 0.25 0.00 0.65 0.20 0.24 98.66 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util vda 0.14 0.12 0.51 0.22 6.74 1.46 22.50 0.02 23.26 20.64 29.30 7.63 0.56 Need something else? Has anyone ever seen this behavior? Might this be a bug in kvm/ubuntu/kernel 3.x in the end? Thanks a lot!

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• How can I get multiple video cards to work on linux?

  - by user17943

  I installed fedora 12. I have 2 ATI cards that I used to use on windows to run 4 monitors. A recurring problem has been to get them detected in linux. Only my secondary card is picked up linux. When I manage the displays it detects the 2 monitors connected that card. What are the specific steps I should take to get the second card detected? Supposedly there is a tool system-config-xfree. I don't have it, yum can't find it. Also I heard it has something to do with editing some xorg.conf file or something to that effect. I have absolutely no idea how to find the "bus id" of my card, or lookup the horizontal refresh rates, etc.. I would probably have no problem following the documentation & editing the file if I knew a good way to find these values. Someone also suggested installing linux twice and saving the xorg.conf it generates each time (with different card each time) and then merging the two by hand. That is like killing a fly with a hammer though, when I do this again and again in the future It'd be nice to not have to take twice as long. Thanks

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• How to redirect a name-based VirtualHost to a different port?

  - by Andra

  I have a virtuoso sparql endpoint installed, which I want to make available through a hostname (e.g. www.virtuosoexample.com). The thing with virtuoso is that the is no Document root. The endpoint is initiated by the daemon and made available through a source port (e.g. localhost:1234/) I know how to set a virtual host pointing to a document root, but i don't know how to do this for a server with a port number. Any advice would be appreciated. Below is the code, how I would do it with a document root. I tried to change that (naively) into localhost:1234/sparql, but that didn't work <VirtualHost * ServerName www.virtuosoexample.com <www.virtuosoexample.com> ServerAlias www.virtuosoexample.com <www.virtuosoexample.com> ErrorLog /var/log/apache2/error.wp-sparql.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.wp-sparql.log combined DocumentRoot /var/www/endpoint/sparql/ <Directory /var/www/endpoint/sparql> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> </VirtualHost

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• Limit access on Apache 2.4 to ldap group

  - by jakobbg

  I've upgraded from Ubuntu 12.04 LTS to 14.04 LTS, and suddenly, my Apache 2.4 (previous: Apache 2.2) now lets everybody in to my virtual host, which is unfortunate :-). What am I doing wrong? Anything with the Order/Allow lines? Any help is greatly appreciated! Here's my current config; <VirtualHost *:443> DavLockDB /etc/apache2/var/DavLock ServerAdmin [email protected] ServerName foo.mydomain.com DocumentRoot /srv/www/foo Include ssl-vhosts.conf <Directory /srv/www/foo> Order allow,deny Allow from all Dav On Options FollowSymLinks Indexes AllowOverride None AuthBasicProvider ldap AuthType Basic AuthName "Domain foo" AuthLDAPURL "ldap://localhost:389/dc=mydomain,dc=com?uid" NONE AuthLDAPBindDN "cn=searchUser, dc=mydomain, dc=com" AuthLDAPBindPassword "ThisIsThePwd" require ldap-group cn=users,dc=mydomain,dc=com <FilesMatch '^\.[Dd][Ss]_[Ss]'> Order allow,deny Deny from all </FilesMatch> <FilesMatch '\.[Dd][Bb]'> Order allow,deny Deny from all </FilesMatch> </Directory> ErrorLog /var/log/apache2/error-foo.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access-foo.log combined </VirtualHost>

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• How to use the outcome of a formula as the value for Vlookup or another IF formula

  - by Steven

  Ok I will try to explain my issue effectively. I am making a GPA sheet in which the value out of 100 is computer in to a GPA value and then in to a letter. In cell N5 i have the value of all their grades (formula: =H3+H4+H5) Now in cell (j6) I have a formula which is giving them a number depending on the value calculated in N5 (Formula: =IF(AND(N5>=60,N5<=63.999),"2.0",IF(AND(N5>=64,N5<=66.999),"2.25",IF(AND(N5>=67,N5<=69.999),"2.4",IF(AND(N5>=70,N5<=73.999),"2.5",IF(AND(N5>=74,N5<=76.999),"2.75",IF(AND(N5>=77,N5<=79.999),"2.9",IF(AND(N5>=80,N5<=83.999),"3.0",IF(AND(N5>=84,N5<=86.999),"3.25",IF(AND(N5>=87,N5<=89.999),"3.4",IF(AND(N5>=90,N5<=93.999),"3.50",IF(AND(N5>=94,N5<=96.999),"3.75",IF(AND(N5>=97,N5<=100),"4",IF(AND(N5<=59.999),"0"))))))))))))) Still no problem... as the values I was looking for comes out (example 84.2 shows up as 3.25 as I wanted). However here comes the problem.... I have tried to use the outcome in J6 to do Vlookup or another if formula, however excel does not seem to recognize the value in J6. For example: =VLOOKUP(j6,B3:C15,2,FALSE)... this returns N/A however if I enter =VLOOKUP(3.25,B3:C15,2,FALSE) it gives me what im looking for. It seems that excel will not register the outcome of my formula as a number. What can I do please?

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• F2 in Paste mode

  - by dotancohen

  Vim has a terrific paste mode, in which abbreviations and mappings are ignored. Frustratingly, even keys that do not map to pastable ASCII characters, such as the function keys, are pasted literally. For instance the key F2 is pasted as <F2>. Is there anyway around this? Note that pastetoggle can in fact be mapped to a function key to easily leave paste mode, however the function that I am writing changes other values when entering or leaving paste mode (such as enabling or disabling line numbers and other things). Therefore I would really like to find a workaround. For reference, here is the current version of the function (that gets stuck in paste mode): iab if if<Space>(<Space>{{<Esc>kA<Left><Left><Left><Left><C-R>=Eatchar('\s')<CR> " Triple-toggle Insert Modes: coding, prose, and paste let g:insertModeGlobal=1 function! Te() if g:insertModeGlobal==3 " Was in paste insert mode, go to coding insert mode set nu set nopaste let g:insertModeGlobal=4 endif if g:insertModeGlobal==2 " Was in prose insert mode, go to paste insert mode set nolinebreak nnoremap j j nnoremap k k nnoremap gj gj nnoremap gk gk set relativenumber execute ":Signs" iab if if<Space>(<Space>{{<Esc>kA<Left><Left><Left><Left><C-R>=Eatchar('\s')<CR> set nonu set paste let g:insertModeGlobal=3 endif if g:insertModeGlobal==1 " Was in coding insert mode, go to prose insert mode set linebreak nnoremap j gj nnoremap k gk nnoremap gj j nnoremap gk k set number execute ":DisableSigns" iab if if let g:insertModeGlobal=2 endif if g:insertModeGlobal==4 let g:insertModeGlobal=1 endif endfunction

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• Ubuntu 11.04 fresh install - "Input signal out of range" or "Mode not supported..."

  - by Dennis

  I recently installed Ubuntu 11.04 using a CD .iso. Installation went fine. Upon completion I rebooted and after a second or two I got a black screen with the message "Input signal out of range". And there it sits... Read a few things about how this could be related to screen resolution, refresh rate, etc. For the heck of it I tried a different monitor. The result is the same but the message provides some clues - "Mode not supported - H:92.7kHz, V:58.3Hz" (the latter is Hz; not kHz). So my thought is that I should probably be able to use the 11.04 install disc to "Try out Ubuntu", find and edit some file that was created by the install with the correct values. Problem is, I am not too sure what I am supposed to edit. Looked at the xorg.conf file but this is so minimal at this point I am not sure it is where I want to go. By the way, the monitor is an I-Inc ix191a. Anyone have any ideas on how to get around this?

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• Server 2008 email on Event variables

  - by Jeff Miles

  One of the new features of Server 2008 is the ability to attach a task to a specific event in the event logs. One of the actions available is to send an email through a SMTP server. This is working great, however it would be ideal if in the message body, the Event contents could be placed. I have tried using $eventdescription and %eventdescription%, but those are just shots in the dark. Any amount of googling produces no results. Does anyone know if this is possible? Update: Sparks' suggestion below is a step in the right direction I believe, however that method doesn't seem to work for all values. For example, I can pull the RecordID, Severity and Channel as shown, but I can't use the same method to retreive the EventID, or most importantly the description. Here's the raw XML from one event: [Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"] [System] [Provider Name="DFSR" /] [EventID Qualifiers="16384"]4412[/EventID] [Level]4[/Level] [Task]0[/Task] [Keywords]0x80000000000000[/Keywords] [TimeCreated SystemTime="2009-05-14T18:18:09.000Z" /] [EventRecordID]45692[/EventRecordID] [Channel]DFS Replication[/Channel] [Computer]servername.domain.com[/Computer] [Security /] [/System] [EventData] [Data]9046C3F4-843E-4A53-B941-4B20764072E5[/Data] [Data]D:\departments\Geomatics\Plan Quality\Data Processing\CG3533017 2009-05-13 KT FIXED[/Data] [Data]D:\departments[/Data] [Data]{26D5F604-E603-4F87-8EC3-DE9A945DA8FD}-v927199[/Data] [Data]Departments[/Data] [Data]domain.ca\files\departments[/Data] [Data]B8242CE2-F5EB-47DA-BA5B-1DD2F7EE3AB9[/Data] [Data]DFAA7A54-66CB-4C31-81A0-0F861382C32C[/Data] [Data]CG3533017 2009-05-13-{26D5F604-E603-4F87-8EC3-DE9A945DA8FD}-v927199[/Data] [/EventData] [/Event] I have tried using a ValueQuery for EventData, but it returns no data.

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• Securing phpmyadmin: non-standard port + https

  - by elect

  Trying to secure phpmyadmin, we already did the following: Cookie Auth login firewall off tcp port 3306. running on non-standard port Now we would like to implement https... but how could it work with phpmyadmin running already on a non-stardard port? This is the apache config: # PHP MY ADMIN <VirtualHost *:$CUSTOMPORT> Alias /phpmyadmin /usr/share/phpmyadmin <Directory /usr/share/phpmyadmin> Options FollowSymLinks DirectoryIndex index.php <IfModule mod_php5.c> AddType application/x-httpd-php .php php_flag magic_quotes_gpc Off php_flag track_vars On php_flag register_globals Off php_value include_path . </IfModule> </Directory> # Disallow web access to directories that don't need it <Directory /usr/share/phpmyadmin/libraries> Order Deny,Allow Deny from All </Directory> <Directory /usr/share/phpmyadmin/setup/lib> Order Deny,Allow Deny from All </Directory> # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/phpmyadmin.log combined </VirtualHost>

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• Issue with SSH on Ubuntu - Local connection ok, remote connection - Is it me or my ISP?

  - by Benjamin

  I have an issue with a server running Ubuntu 12.04, I am trying to set up a remote connection so I can access the server at my work from out of town. I have installed the SSH server and all that stuff, and I have reassigned the default port from 22 to 3399. A local connection from any OS can connect on the 192.168... address, but in no way can I get a connection on the actual IP address. I believe my configuration is correct, and I will attach it. If I have done something wrong in the config, please tell me and I will make a change to it. I honestly think that the Router that my ISP provided is horrible, and although the port for ssh is forwarded, it might be stopping any traffic coming inbound. Is there anything I can try to verify this? /var/log/auth does not show any error when I connect VIA our static IP. I have included all values not commented out below: (sshd_config) Port 3399 ListenAddress 0.0.0.0 Protocol 2 HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key HostKey /etc/ssh/ssh_host_ecdsa_key UsePrivilegeSeparation yes KeyRegenerationInterval 3600 ServerKeyBits 768 SyslogFacility AUTH LogLevel INFO LoginGraceTime 120 PermitRootLogin yes StrictModes yes UseDNS no RSAAuthentication yes IgnoreRhosts yes RhostsRSAAuthentication no HostbasedAuthentication no PermitEmptyPasswords no ChallengeResponseAuthentication no PasswordAuthentication yes GSSAPIAuthentication no X11Forwarding yes X11DisplayOffset 10 PrintMotd no PrintLastLog yes TCPKeepAlive yes AcceptEnv LANG LC_* Subsystem sftp /usr/lib/openssh/sftp-server UsePAM yes Am I doing this wrong? port forwarding image

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• Server 2008 email on Event variables

  - by Jeff Miles

  One of the new features of Server 2008 is the ability to attach a task to a specific event in the event logs. One of the actions available is to send an email through a SMTP server. This is working great, however it would be ideal if in the message body, the Event contents could be placed. I have tried using $eventdescription and %eventdescription%, but those are just shots in the dark. Any amount of googling produces no results. Does anyone know if this is possible? Update: Sparks' suggestion below is a step in the right direction I believe, however that method doesn't seem to work for all values. For example, I can pull the RecordID, Severity and Channel as shown, but I can't use the same method to retreive the EventID, or most importantly the description. Here's the raw XML from one event: [Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"] [System] [Provider Name="DFSR" /] [EventID Qualifiers="16384"]4412[/EventID] [Level]4[/Level] [Task]0[/Task] [Keywords]0x80000000000000[/Keywords] [TimeCreated SystemTime="2009-05-14T18:18:09.000Z" /] [EventRecordID]45692[/EventRecordID] [Channel]DFS Replication[/Channel] [Computer]servername.domain.com[/Computer] [Security /] [/System] [EventData] [Data]9046C3F4-843E-4A53-B941-4B20764072E5[/Data] [Data]D:\departments\Geomatics\Plan Quality\Data Processing\CG3533017 2009-05-13 KT FIXED[/Data] [Data]D:\departments[/Data] [Data]{26D5F604-E603-4F87-8EC3-DE9A945DA8FD}-v927199[/Data] [Data]Departments[/Data] [Data]swg.ca\files\departments[/Data] [Data]B8242CE2-F5EB-47DA-BA5B-1DD2F7EE3AB9[/Data] [Data]DFAA7A54-66CB-4C31-81A0-0F861382C32C[/Data] [Data]CG3533017 2009-05-13-{26D5F604-E603-4F87-8EC3-DE9A945DA8FD}-v927199[/Data] [/EventData] [/Event] I have tried using a ValueQuery for EventData, but it returns no data.

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• Eclipse Indigo freezes on 'Open Type' search

  - by NickGreen

  When I'm trying to search for a Java class with Ctrl-shift-T (Open Type popup), Eclipse freezes when I'm typing 1 character. It usually takes about 8 seconds to 'unfreeze', but sometimes it won't come back at all.. When it freezes, I see that the eclipse process takes about 1Gig of mem and the CPU is about 100%! I've tried creating a new workspace, adjusting the eclipse.ini (perm size, different memory values), starting with -clean and at last reinstall the whole IDE. Nothing helps.. My eclipse.ini: -startup plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar --launcher.library plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.100.v20110505 -product org.eclipse.epp.package.jee.product --launcher.defaultAction openFile -showsplash org.eclipse.platform --launcher.XXMaxPermSize 768m --launcher.defaultAction openFile -vmargs -server -Dosgi.requiredJavaVersion=1.5 -Xmn128m -Xms1024m -Xmx1024m -Xss2m -XX:PermSize=128m -XX:MaxPermSize=128m -XX:+UseParallelGC -Djava.library.path=/usr/lib/jni I'm using the following plugins: JRebel and m2e. I'm desperate for a solution because this problems causes me a great deal of time loss. System: Ubuntu 12.04 LTS 64 bit, 4GB mem, Intel core i7 860 @ 2.8 Ghz. Hope somebody knows a solution. Thank you for your time.

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• Windows 7 automatically logs out when logging in

  - by Luke

  A Windows 7 HP x64 computer is set to automatically log in (no password), but once it starts logging in, it starts to load the desktop after the welcome screen, but before icons or background images are loaded, it goes to the Welcome screen saying 'Logging Off'. I can log in with Safe Mode, and I ran a couple different virus scans, with no detections. I also tried checking the userinit.exe file in System32 (as suggested by MANY users for Windows XP), but it's the same version as a working system. I also checked the registry under HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon for the SHELL and UserInit values, but they look normal. I tried to disable all startup items (through MSCONFIG) to select Diagnostic boot, but then I get a blue screen about the video driver not loading. Any other ideas? EDIT I created a new user, and it could log in no problems. I am thinking it's the NTUSER.DAT file. I just renamed it to NTUSER.DAT.old, then tried logging in as the problem user. I could log in, but as a TEMP profile. His profile folder is now C:\Users\TEMP, and his old folder is still accessible but in the wrong location. EDIT 2 I can't seem to turn off the TEMP profile, so I'm open to other suggestions. Copying the folders (i.e. Documents, Music, etc) does not work, as it creates an additional TEMP.000 then TEMP.001 folder each time the user logs in.

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• Dumping active directory

  - by Nop at NaDa

  I work in the IT support department of a branch of a huge company. I have to take care of a database with all the users, computers, etc. I'm trying to find a way to automatically update the database as much as possible, but the IT infrastructure guys doesn't give me enough privileges to use Active Directory in order to dump the users, nor they have the time to give me the information that I need. Some days ago I found Active Directory explorer from Sysinternals that allows me to browse through Active Directory, and I found all the information that I need there (username, real name, date when it was created, privileges, company, etc.). Unfortunately I'm unable to export the data to a human readable format. I'm just able to take a snapshot of the whole database in a machine-readable format. Doing the snapshot takes hours and I'm afraid that the infrastructure guys won't like me doing entire snapshots on a regular basis. Do you know of any tool (command-line is preferable) that would allow me to retrieve the values of the keys or export it to XML, CSV, etc?

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• What kind of server configuration is best for a chatting app? [closed]

  - by mohabitar

  I'm just now starting to go deeper into the world of cloud hosting and databases, and am getting overwhelmed by how deep this information goes. It's all a little too much to consume in a short amount of time. I get a lot of pricing information, but I'm unable to determine what that means to me. I'm making what you might compare to an email app. Users can send messages to one another. I just don't understand, out of the several options, what would be ideal for an app like this, where users would be constantly sending and receiving text data. With Amazon DynamoDB, I have to specify a pre-defined throughput with number of reads and writes per second. Sure I can just type 50, but I'm not exactly sure what 50 writes per second represents. I'm trying to determine what would be the most cost efficient solution, and I want to know what a throughput of 50 reads/writes/second compares to. Is that a high number? What is a good throughput number for a message sending app with say 50,000 daily users? I'm just providing specific numbers so I can understand what these throughput numbers represent. 100 transactions/second to me seems like a small number since I'm not familiar with this stuff, so I'm just looking to bring everything in context. What would 100 read/write/second be useful for? Are there any average example values available? And I'm not sure what each service is good for. For a message sending app, is there any reason I'd want to choose say Amazon DynamoDB over Google App Engine? Any insight would be greatly appreciated.

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• Virtual host doesn't read .htaccess

  - by Charlie

  I just created virtual host: <VirtualHost myvirtualhost:80> ServerAdmin webmaster@myvirtualhost ServerName myvirtualhost DocumentRoot /home/myname/sites/public_html <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /home/myname/sites/public_html/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> It works, but it cant read .htacces file in public_html: DirectoryIndex otherindex.php I tried change all AllowOverride to All, but I get 500 error. How can I fix this ? thanks.

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• Does Google sometimes ignore "special" characters, possibly depending on your location or font type settings? [closed]

  - by RLH

  TLDR Google tends to ignore special characters in my search strings. Is there anything that I can do about it and is it, possibly, happening because Google makes certain assumptions based off of my default text-encoding settings and my location? I just posted this question over at StackOverflow. I had found a C preprocessor that I'd never seen before. As I should have done, I Googled it and tried to find out further information. I attempted various search terms which were all variations of "C Operator ##" (some times with and some times without the double-quotes.) Google didn't bring back anything of use so I posted my question on SO. As you can see from the comments, someone mentioned a search string (ironically one which I did try to search) and stated that I could have even hit the "I'm feeling lucky" button and have gotten my answer. The problem is I did search that, and the results that I received were far more basic and even after following the top results and searching the resulting pages, I could find nothing referencing the string "##". I'm not posting this question to complain but it does provide an empirical example of something I've seen before that really bugs me-- Google often ignores special characters in my search strings and the results are often useless. As a developer I often need to search for string values containing non-alphanumeric characters. Some characters (like the underscore or hyphen) can be used without trouble. However, other characters (such as the ampersand, carat, tilde and pound sign) are often ignored in my query strings. Is there a way to prevent this from happening so that I can get meaningful results from Google? NOTE I stay logged into Google and I live in the US. I wonder if Google detects some form of text-encoding setting or derives my results based off of certain, localized text-based assumptions. Regardless, I would like to for Google to search for what I give it. Is there anything that I can do to improve my results?

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• Trouble with Remote Desktop pulling through printers. Drive Redirection works, and the ports created but not the printers

  - by Windex

  I've run out of things to look into. All the support documents have been gone through and still provide no resolution. I've checked the service permissions, (sc sdshow spooler) they all match up with other systems and what is output on the support documents. I'm nearly positive that the issue can't be permissions anyway as the software requires all users to be an administrator, so all users are a local administrator. (I haven't looked into why yet but its on the list, I was just recently brought into this team and we've put procedures in place for quick recovery.) We've applied hot fixes relating to RDS and printing, though I'm not sure which ones they were. I've combed through group policy and no where is printer redirection disabled. It's setup with all default values regarding the use and redirection of printers and a quick install of W2k8 R2 shows that it works by default. This dev install was joined to the same domain, placed in the same OU, shows the same policies applied, etc, etc, etc, The server generates all the correct redirected ports but no printers are created. It will also redirect drives without issue, this would seem to rule out the usermode service that handles redirects being broken. No events are logged related to any of the events and there are no events from the TerminalServices-Printer source. There were local printers setup. I didn't think it would mattter but as I was running out of ideas I tried deleting them all with no change. The TS was configured for the software it will be running before we checked out the redirection of printers so the other team responsible to setting up new servers wants to find a fix instead of reloading a new server. I'm not sure where or what else to look for. Any ideas?

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• Scaling a node.js application, nginx as a base server, but varnish or redis for caching?

  - by AntelopeSalad

  I'm not close to being well versed in using nginx or varnish but this is my setup at the moment. I have a node.js server running which is serving either json, html templates, or socket.io events. Then I have nginx running in front of node which is serving all static content (css, js, etc.). At this point I would like to cache both static content and dynamic content to memory. It's to my understanding that varnish can cache static content quite well and it wouldn't require touching my application code. I also think it's capable of caching dynamic content too but there cannot be any cookie headers? I do use redis at the moment for holding session data and planned to use it for other things in the future like keeping track of non-crucial but fun stats. I just have no idea how I should handle caching everything on the site. I think it comes down to these options but there might be more: Throw varnish in front of nginx and let varnish cache static pages, no app code changes. Redis would cache dynamic db calls which would require modifying my app code. Ignore using varnish completely and let redis handle caching everything, then use one of the nginx-redis modules. I'm not sure if this would require a lot of app code changes (for the static files). I'm not having any luck finding benchmarks that compare nginx+varnish vs nginx+redis and I'm too inexperienced to bench it myself (high chances of my configs being awful). I'm basically looking for the solution that would be the most efficient in terms of req/sec and scalable in the future (throw new hardware at the problem + maybe adjust some values in a config = new servers up and running semi-painlessly).

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• Selecting whole column except first X (header) cells in Excel

  - by Robert Koritnik

  I know I can select all cells in a particular column by clicking on column header descriptor (ie. A or AB). But is it possible to then exclude a few cells out of it, like my data table headings? Example I would like to select data cells of a particular column to set Data Validation (that would eventually display a drop down of list values defined in a named range). But I don't want my data header cells to be included in this selection (so they won't have these drop downs displayed nor will they be validated). What if I later decide to change validation settings of these cells? How can I selection my column then? A sidenote I know I can set data validation on the whole column and then select only those cells that I want to exclude and clear their data validation. What I would like to know is is ti possible to do the correct selection in the first step to avoid this second one. I tried clicking on the column descriptor to select the whole column and then CTRL-click those cells I don't want to include in my selection, but it didn't work as expected.

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• I can't change mysql port (5.6.12) changing the lines of my.ini (windows 8)

  - by videador

  I was trying to change the port of my mysql server in my local machine but i can't. The version of mysql is 5.6.12, is an installation from wamp and I am on Windows 8. I change these lines in my my.ini file located in (C:\wamp\bin\mysql\mysql5.6.12). [client] #password = your_password port = 3307 socket = /tmp/mysql.sock [wampmysqld] port = 3307 socket = /tmp/mysql.sock key_buffer = 16M max_allowed_packet = 1M The previous values were 3306. Ok then I've reset the server installed, but it doesn't works, the mysql server is still running on 3306. Then, I rename the path of the services with this, to make sure that the my.ini is read by the mysql instance. c:\wamp\bin\mysql\mysql5.6.12\bin\mysqld.exe --defaults-file="C:\wamp\bin\mysql\mysql5.6.12\my.ini" wampmysqld But nothing, it stil doesn't works. My last bullet was to copy the content of my.ini to a file my-default.ini (a file that is placed in C:\wamp\bin\mysql\mysql5.6.12\ and that I don't know what is its mission). However it still doesn't work and the port is still 3306.

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• Gentoo server time issue, can't manually set time, NTPD won't correct, too big of a time difference

  - by kevingreen

  So, my server is living in the future, unfortunately I can't get lottery numbers, or stock picks out of it. It thinks this is the time: Thu Nov 7 04:07:18 EST 2013 Not correct, I tried to set the time manually via date in a few ways # date -s "06 NOV 2013 14:48:00" # date 110614482013 -- same output, same problem Which outputs Wed Nov 6 14:48:00 EST 2013, but when I check the date again, it's still set to Nov 7th 0400 or whatever. I checked my system messages, and I see this pop up often: Nov 7 03:54:00 www ntpd[4482]: time correction of -47927 seconds exceeds sanity limit (1000); set clock manually to the correct UTC time. Which makes sense, we're way off the correct time. But I can't seem to manually fix it. So now what? Also, I'm wondering if my hardware clock is setup correct, hwclock doesn't return any values. Would that be causing issues? This is a virtualized server, I don't have direct access to the hypervisor, but I can talk to who does, assume I can explain myself well enough. Thanks

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• can't change wallpaper real time regedit commands

  - by itagomo

  i'm a first time 'SuperUser' poster .. what i want is to programatically change Desktop Wallpaper every few hours .. i'm using a batch file (.bat) and don't want to use other languages or programs, just the pre-installed stuffs with Windows XP .. i've already made my script that will modify values in the Registry reg add "HKCU\Control Panel\Desktop" /v Wallpaper /d "C:\Pictures\picture1.jpg" but it's not taking effect real time even with this command: RUNDLL32.EXE USER32.DLL,UpdatePerUserSystemParameters ,1 ,True need to reboot first to take effect. if i'm going to use Display Properties, it'll show at once. what i've noticed is that changes will take effect real time if it's a .bmp file and not for .jpg images. Second option is to convert JPG to 24-bit BMP files (to look exactly the same, but will triple the file size), but i'm hoping a better way .. i've already googled things but no avail.. i hope you (the helpful reader) can post any .bat or even vbs script to change Desktop Wallpaper instantly with JPG pictures .. hoping there's an answer without installing other apps or scripts ..

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• How can I password protect & let cgi-bin to work?

  - by jaaaaaaax

  This is taken from sites-available directory. It's a virtual host setting for apache. Accessing myiphere/cgi-bin/ throws 403. The directory setting for /var/www2/ drwxrwxrwx 8 www-data www-data NameVirtualHost myiphere <VirtualHost myiphere> ServerAdmin webmaster@localhost DocumentRoot /var/www2/ <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www2/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined ServerSignature On Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory>

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• How to setup a virtual host in Ubuntu running on Amazon EC2 instance?

  - by Rade

  I have an app that's accessible via 1.2.3.4/myapp. The app is installed in /var/www/myapp. I've set up a subdomain(apps.mydomain.com) that points to 1.2.3.4. I want the server to point to var/www/myapp if I type apps.mydomain.com/myapp, how do I do that? I have experience creating virtual hosts(lots of them) locally but I'm lost because it's now in production and it's a little different. Here's my virtual host config: <VirtualHost *:80> ServerAdmin webmaster@localhost ServerName apps.mydomain.com/myapp DocumentRoot /var/www/myapp/public <Directory /> Options FollowSymLinks AllowOverride All </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride All Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> Any idea why I still see the files instead of pointing me to the document root? Just in case someone might ask, the app is based on Laravel 4 framework. It's really bad right now because anyone can access the files from the browser.

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