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Setting Up a Backlink Campaign

When you're setting about a backlink campaign, you have to make sure that you have some sort of plan implemented. Some types of backlinks have a lot more power than normal backlinks.

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GWT at Google I/O 2010

This year's Google I/O was one to remember, with demos and presentations that showcased the power of HTML5 for consumers and businesses, as well as a complete proliferation...

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Kernel Log: Coming in 2.6.34 (Part 3) - Graphics

<b>The H Open:</b> "The AMD and Intel graphics drivers now support a wider range of chips and make better use of power saving features on the older chips."

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Asterisk SIP digest authentication username mismatch

- by Matt

I have an asterisk system that I'm attempting to get to work as a backup for our 3com system. We already use it for a conference bridge. Our phones are the 3com 3C10402B, so I don't have the issue of older 3com phones that come without a SIP image. The 3com phones are communicating SIP with the Asterisk, but are unable to register because they present a digest username value that doesn't match what Asterisk thinks it should. As an example, here are the relevant lines from a successful registration from a soft phone: Server sends: WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="1cac3853" Phone responds: Authorization: Digest username="2321", realm="asterisk", nonce="1cac3853", uri="sip:192.168.254.12", algorithm=md5, response="d32df9ec719817282460e7c2625b6120" For the 3com phone, those same lines look like this (and fails): Server sends: WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6c915c33" Phone responds: Authorization: Digest username="sip:[email protected]", realm="asterisk", nonce="6c915c33", uri="sip:192.168.254.12", opaque="", algorithm=MD5, response="a89df25f19e4b4598595f919dac9db81" Basically, Asterisk wants to see a username in the Digest username field of 2321, but the 3com phone is sending sip:[email protected]. Anyone know how to tell asterisk to accept this format of username in the digest authentication? Here is the sip.conf info for that extension: [2321] deny=0.0.0.0/0.0.0.0 disallow=all type=friend secret=1234 qualify=yes port=5060 permit=0.0.0.0/0.0.0.0 nat=yes mailbox=2321@device host=dynamic dtmfmode=rfc2833 dial=SIP/2321 context=from-internal canreinvite=no callerid=device <2321 allow=ulaw, alaw call-limit=50 ... and for those interested in the grit, here is the debug output of the registration attempt: REGISTER sip:192.168.254.12 SIP/2.0 v: SIP/2.0/UDP 192.168.254.157:5060 t: f: i: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER Max-Forwards: 70 m: ;dt=544 Expires: 3600 User-Agent: 3Com-SIP-Phone/V8.0.1.3 X-3Com-PhoneInfo: firstRegistration=no; primaryCallP=192.168.254.12; secondaryCallP=0.0.0.0; --- (11 headers 0 lines) --- Using latest REGISTER request as basis request Sending to 192.168.254.157 : 5060 (no NAT) SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Contact: Content-Length: 0 SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: ;tag=as3fb867e2 Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6c915c33" Content-Length: 0 Scheduling destruction of SIP dialog 'fa4451d8-01d6-1cc2-13e4-00e0bb33beb9' in 32000 ms (Method: REGISTER) confbridge*CLI REGISTER sip:192.168.254.12 SIP/2.0 v: SIP/2.0/UDP 192.168.254.157:5060 t: f: i: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER Max-Forwards: 70 m: ;dt=544 Expires: 3600 User-Agent: 3Com-SIP-Phone/V8.0.1.3 Authorization: Digest username="sip:[email protected]", realm="asterisk", nonce="6c915c33", uri="sip:192.168.254.12", opaque="", algorithm=MD5, response="a89df25f19e4b4598595f919dac9db81" X-3Com-PhoneInfo: firstRegistration=no; primaryCallP=192.168.254.12; secondaryCallP=0.0.0.0; --- (12 headers 0 lines) --- Using latest REGISTER request as basis request Sending to 192.168.254.157 : 5060 (NAT) SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Contact: Content-Length: 0 SIP/2.0 403 Authentication user name does not match account name Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: ;tag=as3fb867e2 Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Content-Length: 0 Scheduling destruction of SIP dialog 'fa4451d8-01d6-1cc2-13e4-00e0bb33beb9' in 32000 ms (Method: REGISTER) Thanks for your input!

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Asterisk SIP digest authentication username mismatch

- by Matt

I have an asterisk system that I'm attempting to get to work as a backup for our 3com system. We already use it for a conference bridge. Our phones are the 3com 3C10402B, so I don't have the issue of older 3com phones that come without a SIP image. The 3com phones are communicating SIP with the Asterisk, but are unable to register because they present a digest username value that doesn't match what Asterisk thinks it should. As an example, here are the relevant lines from a successful registration from a soft phone: Server sends: WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="1cac3853" Phone responds: Authorization: Digest username="2321", realm="asterisk", nonce="1cac3853", uri="sip:192.168.254.12", algorithm=md5, response="d32df9ec719817282460e7c2625b6120" For the 3com phone, those same lines look like this (and fails): Server sends: WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6c915c33" Phone responds: Authorization: Digest username="sip:[email protected]", realm="asterisk", nonce="6c915c33", uri="sip:192.168.254.12", opaque="", algorithm=MD5, response="a89df25f19e4b4598595f919dac9db81" Basically, Asterisk wants to see a username in the Digest username field of 2321, but the 3com phone is sending sip:[email protected]. Anyone know how to tell asterisk to accept this format of username in the digest authentication? Here is the sip.conf info for that extension: [2321] deny=0.0.0.0/0.0.0.0 disallow=all type=friend secret=1234 qualify=yes port=5060 permit=0.0.0.0/0.0.0.0 nat=yes mailbox=2321@device host=dynamic dtmfmode=rfc2833 dial=SIP/2321 context=from-internal canreinvite=no callerid=device <2321 allow=ulaw, alaw call-limit=50 ... and for those interested in the grit, here is the debug output of the registration attempt: REGISTER sip:192.168.254.12 SIP/2.0 v: SIP/2.0/UDP 192.168.254.157:5060 t: f: i: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER Max-Forwards: 70 m: ;dt=544 Expires: 3600 User-Agent: 3Com-SIP-Phone/V8.0.1.3 X-3Com-PhoneInfo: firstRegistration=no; primaryCallP=192.168.254.12; secondaryCallP=0.0.0.0; --- (11 headers 0 lines) --- Using latest REGISTER request as basis request Sending to 192.168.254.157 : 5060 (no NAT) SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Contact: Content-Length: 0 SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: ;tag=as3fb867e2 Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18580 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6c915c33" Content-Length: 0 Scheduling destruction of SIP dialog 'fa4451d8-01d6-1cc2-13e4-00e0bb33beb9' in 32000 ms (Method: REGISTER) confbridge*CLI REGISTER sip:192.168.254.12 SIP/2.0 v: SIP/2.0/UDP 192.168.254.157:5060 t: f: i: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER Max-Forwards: 70 m: ;dt=544 Expires: 3600 User-Agent: 3Com-SIP-Phone/V8.0.1.3 Authorization: Digest username="sip:[email protected]", realm="asterisk", nonce="6c915c33", uri="sip:192.168.254.12", opaque="", algorithm=MD5, response="a89df25f19e4b4598595f919dac9db81" X-3Com-PhoneInfo: firstRegistration=no; primaryCallP=192.168.254.12; secondaryCallP=0.0.0.0; --- (12 headers 0 lines) --- Using latest REGISTER request as basis request Sending to 192.168.254.157 : 5060 (NAT) SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Contact: Content-Length: 0 SIP/2.0 403 Authentication user name does not match account name Via: SIP/2.0/UDP 192.168.254.157:5060;received=192.168.254.157 From: To: ;tag=as3fb867e2 Call-ID: fa4451d8-01d6-1cc2-13e4-00e0bb33beb9 CSeq: 18581 REGISTER User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Content-Length: 0 Scheduling destruction of SIP dialog 'fa4451d8-01d6-1cc2-13e4-00e0bb33beb9' in 32000 ms (Method: REGISTER) Thanks for your input!

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Is Apache 2.2.22 able to sustain 1.000 simultaneous connected clients?

- by Fnux

For an article in a news paper, I'm benchmarking 5 different web servers (Apache2, Cherokee, Lighttpd, Monkey and Nginx). The tests made consist of measuring the execution times as well as different parameters such as the number of request served per second, the amount of RAM, the CPU used, during a growing load of simultaneous clients (from 1 to 1.000 with a step of 10) each client sending 1.000.000 requets of a small fixed file, then of a medium fixed file, then a small dynamic content (hello.php) and finally a complex dynamic content (the computation of the reimbursment of a loan). All the web servers are able to sustain such a load (up to 1.000 clients) but Apache2 which always stops to respond when the test reach 450 to 500 simultaneous clients. My configuration is : CPU: AMD FX 8150 8 cores @ 4.2 GHz RAM: 32 Gb. SSD: 2 x Crucial 240 Gb SATA6 OS: Ubuntu 12.04.3 64 bit WS: Apache 2.2.22 My Apache2 configuration is as follows: /etc/apache2/apache2.conf LockFile ${APACHE_LOCK_DIR}/accept.lock PidFile ${APACHE_PID_FILE} Timeout 30 KeepAlive On MaxKeepAliveRequests 1000000 KeepAliveTimeout 2 ServerName "fnux.net" <IfModule mpm_prefork_module> StartServers 16 MinSpareServers 16 MaxSpareServers 16 ServerLimit 2048 MaxClients 1024 MaxRequestsPerChild 0 </IfModule> User ${APACHE_RUN_USER} Group ${APACHE_RUN_GROUP} AccessFileName .htaccess <Files ~ "^\.ht"> Order allow,deny Deny from all Satisfy all </Files> DefaultType None HostnameLookups Off ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel emerg Include mods-enabled/*.load Include mods-enabled/*.conf Include httpd.conf Include ports.conf LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined LogFormat "%h %l %u %t \"%r\" %>s %O" common LogFormat "%{Referer}i -> %U" referer LogFormat "%{User-agent}i" agent Include conf.d/ Include sites-enabled/ /etc/apache2/ports.conf NameVirtualHost *:8180 Listen 8180 <IfModule mod_ssl.c> Listen 443 </IfModule> <IfModule mod_gnutls.c> Listen 443 </IfModule> /etc/apache2/mods-available <IfModule mod_fastcgi.c> AddHandler php5-fcgi .php Action php5-fcgi /cgi-bin/php5.external <Location "/cgi-bin/php5.external"> Order Deny,Allow Deny from All Allow from env=REDIRECT_STATUS </Location> </IfModule> /etc/apache2/sites-available/default <VirtualHost *:8180> ServerAdmin webmaster@localhost DocumentRoot /var/www/apache2 <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> 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 ${APACHE_LOG_DIR}/error.log LogLevel emerg ##### CustomLog ${APACHE_LOG_DIR}/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> <IfModule mod_fastcgi.c> AddHandler php5-fcgi .php Action php5-fcgi /php5-fcgi Alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi FastCgiExternalServer /usr/lib/cgi-bin/php5-fcgi -host 127.0.0.1:9000 -pass-header Authorization </IfModule> </VirtualHost> /etc/security/limits.conf * soft nofile 1000000 * hard nofile 1000000 So, I would trully appreciate your advice to setup Apache2 to make it able to sustain 1.000 simultaneous clients, if this is even possible. TIA for your help. Cheers.

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ServerAlias not working

- by Janis Peisenieks

I have a VPS, that I have configured to host multiple websites with name based hosting. It is all good while only using example.com, and www.example.com. It also works with example.net, but when I try example.net, it reverts to my default site configuration, which just shows my default (empty) index.html page. Here's the default file: <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </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 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> </VirtualHost> Here's a configuration for the example.com site: <VirtualHost *:80> ServerAdmin [email protected] ServerName example.com ServerAlias www.example.com DocumentRoot /srv/www/example.com/public_html/ ErrorLog /srv/www/example.com/logs/error.log CustomLog /srv/www/example.com/logs/access.log combined <Directory /srv/www/example.com/public_html/> AllowOverride All Order allow,deny allow from all </Directory> </VirtualHost> And here is the config for the example.net site: <VirtualHost *:80> ServerAdmin [email protected] ServerName example.net ServerAlias www.example.net DocumentRoot /srv/www/example.net/public_html/ ErrorLog /srv/www/example.net/logs/error.log CustomLog /srv/www/example.net/logs/access.log combined <Directory /srv/www/example.net/public_html/> AllowOverride All Order allow,deny allow from all </Directory> </VirtualHost> Where could the problem be? I believe, that there is something going wrong with the ServerAlias property. Could it be because of the way the site's are built? Because example.com is a Joomla site, and example.net is a Zend Framework site. Just in case, I'll also insert the .htaccess files for example.net, since example.com has it's disabled: example.net: SetEnv APPLICATION_ENV development RewriteRule ^(browse|config).* - [L] ErrorDocument 500 /error-docs/500.shtml SetEnv CACHE_OFFSET 2678400 <FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|swf)$"> Header set Expires "Fri, 25 Sep 2037 19:30:32 GMT" Header unset ETag FileETag None </FilesMatch> RewriteEngine On RewriteRule ^(adm|statistics) - [L] RewriteRule ^/public/(.*)$ http://example.net/$1 [R] RewriteRule ^(.*)$ public/$1 [L] Any help would be greatly appreciated! Edit So that my question is ABSOLUTELY clear: The problem is, that one site works with both www prefix as well as without it, and the second one does not. I would like to know how to enable the second site to work with www prefix as well.

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http request via iptables --to-destination ip redirect results in no response

- by Wouter Vegter

I have two Ubuntu servers with each having their own ip addresses. Let's call them server1 and server2, having respectively ip 1.1.1.1 and 2.2.2.2 I have a nginx running on server2. The sole purpose I want server1 to have is to redirect all incoming http (so port 80) requests to server2 without clients noticing that their request is being redirected. I tried the following command on server1: iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination 2.2.2.2 But when I enter 1.1.1.1 in my browser I get no respond: the page keeps trying to load without giving any message or error message (I get a time-out after 2-3 mins). But when I do remove the above iptables rule I immediately do get a "page not found error" when I enter 1.1.1.1 in my browser; so something is working but not as it should: when I enter 1.1.1.1 I want the html page to load that is hosted on 2.2.2.2 Because when i enter 2.2.2.2 in my browser I do see the webpage loaded. Could anyone please help me with this? I am searching quite some time (on severfault & Google) on this now so that's why I ask. Many thanks for reading my question! Update: Thank you all for you information. Unfortunately I still get no response I have the following iptables configuration: root@ip-10-48-238-216:/home/ubuntu# sudo iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination root@ip-10-48-238-216:/home/ubuntu# sudo iptables -t nat -L Chain PREROUTING (policy ACCEPT) target prot opt source destination DNAT tcp -- anywhere anywhere tcp dpt:www to:2.2.2.2 Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain POSTROUTING (policy ACCEPT) target prot opt source destination When i run tcpdump and do request via chrome to 1.1.1.1 i get the following root@ip-10-48-238-216:/home/ubuntu# sudo tcpdump -i eth0 port 80 -vv tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 13:56:18.346625 IP (tos 0x0, ttl 52, id 12055, offset 0, flags [DF], proto TCP (6), length 60) 212-123-161-112.ip.telfort.nl.16386 ip-10-48-238-216.eu-west-1.compute.internal.www: Flags [S], cksum 0xb398 (correct), seq 2639758575, win 5840, options [mss 1460,sackOK,TS val 1223672 ecr 0,nop,wscale 6], length 0 13:56:18.346662 IP (tos 0x0, ttl 51, id 12055, offset 0, flags [DF], proto TCP (6), length 60) 212-123-161-112.ip.telfort.nl.16386 ww1dc1.shopreme.com.www: Flags [S], cksum 0x9ee0 (correct), seq 2639758575, win 5840, options [mss 1460,sackOK,TS val 1223672 ecr 0,nop,wscale 6], length 0 13:56:18.598747 IP (tos 0x0, ttl 52, id 10138, offset 0, flags [DF], proto TCP (6), length 60) 212-123-161-112.ip.telfort.nl.16387 ip-10-48-238-216.eu-west-1.compute.internal.www: Flags [S], cksum 0xac40 (correct), seq 2645658541, win 5840, options [mss 1460,sackOK,TS val 1223735 ecr 0,nop,wscale 6], length 0 13:56:18.598777 IP (tos 0x0, ttl 51, id 10138, offset 0, flags [DF], proto TCP (6), length 60) 212-123-161-112.ip.telfort.nl.16387 ww1dc1.shopreme.com.www: Flags [S], cksum 0x9788 (correct), seq 2645658541, win 5840, options [mss 1460,sackOK,TS val 1223735 ecr 0,nop,wscale 6], length 0 ^C 4 packets captured 4 packets received by filter 0 packets dropped by kernel the mentioned address relate to the following 212-123-161-112.ip.telfort.nl.16386 : my personal computer ww1dc1.shopreme.com.www : dns of server2 (2.2.2.2) ip-10-48-238-216.eu-west-1.compute.internal.www : amazon web services ec2 internal address of server1 (1.1.1.1) However, the tcpdump log on server2 (2.2.2.2) stays empty and I get no response back in my browser. I am able to ping from server1 to server2. And net.ipv4.ip_forward is set to 1 and so is /proc/sys/net/ipv4/ip_forward Could there be anything else that is missing?

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Optimistic non-locking copy of InnoDB .frm files

- by jothir

MySQL Enterprise Backup(MEB) does hot backup of innodb data and log files. Till MEB 3.6.1, the user backs up the only innodb tables in a 3 step process: STEP 1. Take backup using --only-innodb option STEP 2. Temporarily make the table read only by executing “FLUSH TABLES WITH READ LOCK” MEB 3.7.0 has an enhancement to innodb file copying. The .frm files gets copied along with the hot backup done for innodb files. I would like to make the blog a little interactive by explaining the feature as answers: 1. What are these .frm files? The files containing the metadata, such as the table definition, of a MySQL table. For backups, the full set of .frm files are always required along with the backup data, to be able to restore tables that are altered or dropped after the backup. 2. Can the .frm files not be copied by MEB itself? --only-innodb-with-frm is the new option introduced in MEB 3.7.1 to do a copy of .frm files without locking the tables during backup operation itself. This is to reduce the pain of manually copying the .frm files. The option is intended for backups where you can ensure that no ALTER TABLE, CREATE TABLE, DROP TABLE, or other DDL statements modify the .frm files for InnoDB tables during the backup operation. 3. How is data consistency ensured? MEB does validation of the .frm files after copying by comparing with the server directory to see if the timestamps of any of the .frm files is greater than the saved system time (check .frm time). This change in timestamp of the .frm files will show if a table is altered during the process of backup. The total number of frm files in the server directory is also verified against the copied contents. If the number of .frm files is less compared to server directory, it shows that table/tables have been dropped during the process of backup. If the number of .frm files is more compared to server directory, it shows that new table/tables have been created during backup operation. 4. How does MEB handle data inconsistency? MEB copies the .frm files through several iterations, does the validation and throws a WARNING if there is any inconsistency found in .frm files at the end of backup operation. This means the user is warned of some DDL operations that had occurred during backup operation, and has to manually copy the .frm files or do a backup again. 5. What is the option and explain its usage? The option introduced is --only-innodb-with-frm which does optimistic copy of .frm files without locking. This can be used when the user wants to backup only innodb tables along with .frm files. The option can take one of the 2 values: all | related. --only-innodb-with-frm=all does copy of all .frm files of all innodb tables. --only-innodb-with-frm=related works in conjunction with --include option.This is to allow partial backup of .frm files corresponding to the tables specified in --include. Let me show the usage with example output: ./mysqlbackup -uroot --backup-dir=/logs/backupWithFrmAll --only-innodb-with-frm=all backup MySQL Enterprise Backup version 3.7.1 [2012/06/05] Copyright (c) 2003, 2012, Oracle and/or its affiliates. All Rights Reserved. INFO: Starting with following command line ... ./mysqlbackup -uroot --backup-dir=/logs/backupWithFrmAll --only-innodb-with-frm=all backup INFO: Got some server configuration information from running server. IMPORTANT: Please check that mysqlbackup run completes successfully. At the end of a successful 'backup' run mysqlbackup prints "mysqlbackup completed OK!". -------------------------------------------------------------------- Server Repository Options: -------------------------------------------------------------------- datadir = /mysql/trydb/ innodb_data_home_dir = innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /mysql/trydb/ innodb_log_files_in_group = 2 innodb_log_file_size = 5242880 -------------------------------------------------------------------- Backup Config Options: -------------------------------------------------------------------- datadir = /logs/backupWithFrmAll/datadir innodb_data_home_dir = /logs/backupWithFrmAll/datadir innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /logs/backupWithFrmAll/datadir innodb_log_files_in_group = 2 innodb_log_file_size = 5242880 mysqlbackup: INFO: Unique generated backup id for this is 13451979804504860 mysqlbackup: INFO: Uses posix_fadvise() for performance optimization. mysqlbackup: INFO: System tablespace file format is Antelope. mysqlbackup: INFO: Found checkpoint at lsn 1656792. mysqlbackup: INFO: Starting log scan from lsn 1656320. 120817 15:36:22 mysqlbackup: INFO: Copying log... 120817 15:36:22 mysqlbackup: INFO: Log copied, lsn 1656792. We wait 1 second before starting copying the data files... 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/ibdata1 (Antelope file format). 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/innodb1/table2.ibd (Antelope file format). 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/innodb1/table3.ibd (Antelope file format). 120817 15:36:23 mysqlbackup: INFO: Copying /mysql/trydb/innodb1/table1.ibd (Antelope file format). mysqlbackup: INFO: Opening backup source directory '/mysql/trydb/' 120817 15:36:23 mysqlbackup: INFO: Starting to backup .frm files in the subdirectories of /mysql/trydb/ mysqlbackup: INFO: Copying innodb data and logs during final stage ... mysqlbackup: INFO: A copied database page was modified at 1656792. (This is the highest lsn found on page) Scanned log up to lsn 1656792. Was able to parse the log up to lsn 1656792. Maximum page number for a log record 0 mysqlbackup: INFO: Copying non-innodb files took 2.000 seconds 120817 15:36:25 mysqlbackup: INFO: Full backup completed! mysqlbackup: INFO: Backup created in directory '/logs/backupWithFrmAll' ------------------------------------------------------------- Parameters Summary ------------------------------------------------------------- Start LSN : 1656320 End LSN : 1656792 ------------------------------------------------------------- mysqlbackup completed OK! bash$ ls /logs/backupWithFrmAll/datadir/innodb1/ table1.frm table1.ibd table2.frm table2.ibd table3.frm table3.ibd Here the backup directory contains all the .frm files of all the innodb tables. ./mysqlbackup -uroot --backup-dir=/logs/backupWithFrm --include="innodb1.table3.*" --only-innodb-with-frm=related backup MySQL Enterprise Backup version 3.7.1 [2012/06/05] Copyright (c) 2003, 2012, Oracle and/or its affiliates. All Rights Reserved. INFO: Starting with following command line ... ./mysqlbackup -uroot --backup-dir=/logs/backup371frm --include=innodb1.table3.* --only-innodb-with-frm=related backup INFO: Got some server configuration information from running server. IMPORTANT: Please check that mysqlbackup run completes successfully. At the end of a successful 'backup' run mysqlbackup prints "mysqlbackup completed OK!". -------------------------------------------------------------------- Server Repository Options: -------------------------------------------------------------------- datadir = /mysql/trydb/ innodb_data_home_dir = innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /mysql/trydb innodb_log_files_in_group = 2 innodb_log_file_size = 5242880 -------------------------------------------------------------------- Backup Config Options: -------------------------------------------------------------------- datadir = /logs/backupWithFrm/datadir innodb_data_home_dir = /logs/backupWithFrm/datadir innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /logs/backupWithFrm/datadir innodb_log_files_in_group = 2 innodb_log_file_size = 5242880 mysqlbackup: INFO: Unique generated backup id for this is 13451973458118162 mysqlbackup: INFO: Uses posix_fadvise() for performance optimization. mysqlbackup: INFO: The --include option specified: innodb1.table3.* mysqlbackup: INFO: System tablespace file format is Antelope. mysqlbackup: INFO: Found checkpoint at lsn 1656792. mysqlbackup: INFO: Starting log scan from lsn 1656320. 120817 15:25:47 mysqlbackup: INFO: Copying log... 120817 15:25:47 mysqlbackup: INFO: Log copied, lsn 1656792. We wait 1 second before starting copying the data files... 120817 15:25:48 mysqlbackup: INFO: Copying /mysql/trydbibdata1 (Antelope file format). 120817 15:25:49 mysqlbackup: INFO: Copying /mysql/trydbinnodb1/table3.ibd (Antelope file format). mysqlbackup: INFO: Opening backup source directory '/mysql/trydb' 120817 15:25:49 mysqlbackup: INFO: Starting to backup .frm files in the subdirectories of /mysql/trydb mysqlbackup: INFO: Copying innodb data and logs during final stage ... mysqlbackup: INFO: A copied database page was modified at 1656792. (This is the highest lsn found on page) Scanned log up to lsn 1656792. Was able to parse the log up to lsn 1656792. Maximum page number for a log record 0 mysqlbackup: INFO: Copying non-innodb files took 2.000 seconds 120817 15:25:51 mysqlbackup: INFO: Full backup completed! mysqlbackup: INFO: Backup created in directory '/logs/backupWithFrm' ------------------------------------------------------------- Parameters Summary ------------------------------------------------------------- Start LSN : 1656320 End LSN : 1656792 ------------------------------------------------------------- mysqlbackup completed OK! bash$ ls /logs/backupWithFrm/datadir/innodb1/ table3.frm table3.ibd Thus the backup directory contains only the .frm file matching the innodb table name specified in --include option. In a nutshell, we present our great new option --only-innodb-with-frm which is a true hot InnoDB-only backup with .frm files, but with an additional check, if any DDL happened during the backup. If a DDL has happened, the DBA can decide if to repeat the backup, or to live with the potential inconsistency. This is the ideal solution for users that have all their "real" data in InnoDB and seldom change their schemas. You may also like: http://dev.mysql.com/doc/mysql-enterprise-backup/3.7/en/backup-partial-options.html STEP 3. Manually copy the .frm files of innodb tables to the destination directory where backup is stored.

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openvpn not creating internal route for client

- by user42055

I have two openvpn clients and a server using shared keys. I have internal routes specified in the ccd directory for both clients, but when they connect, the server only creates the internal route for one of them, despite the logs saying it's creating both. Both clients and the server use the "--script-security 2" command-line option. Can anyone think of why it would do this ? My ccd files are: client1: iroute 192.168.0.0 255.255.255.0 client2: iroute 10.0.1.0 255.255.255.0 My log file shows the following (cropped): May 3 17:22:59 kino openvpn[2416]: 118.208.58.60:48730 [client1] Peer Connection Initiated with 118.208.58.60:48730 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 OPTIONS IMPORT: reading client specific options from: ccd/client1 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: Learn: 192.168.150.10 -> client1/118.208.58.60:48730 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: primary virtual IP for client1/118.208.58.60:48730: 192.168.150.10 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: internal route 192.168.0.0/24 -> client1/118.208.58.60:48730 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: Learn: 192.168.0.0/24 -> client1/118.208.58.60:48730 May 3 17:23:01 kino openvpn[2416]: client1/118.208.58.60:48730 PUSH: Received control message: 'PUSH_REQUEST' May 3 17:23:01 kino openvpn[2416]: client1/118.208.58.60:48730 SENT CONTROL [client1]: 'PUSH_REPLY,route 192.168.150.1,topology net30,ping 10,ping-restart 120,ifconfig 192.168.150.10 192.168.150.9' (status=1) May 3 17:21:36 kino openvpn[2416]: 124.148.1.90:59277 [client2] Peer Connection Initiated with 124.148.1.90:59277 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 OPTIONS IMPORT: reading client specific options from: ccd/client2 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: Learn: 192.168.150.14 -> client2/124.148.1.90:59277 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: primary virtual IP for client2/124.148.1.90:59277: 192.168.150.14 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: internal route 10.0.1.0/24 -> client2/124.148.1.90:59277 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: Learn: 10.0.1.0/24 -> client2/124.148.1.90:59277 May 3 17:21:39 kino openvpn[2416]: client2/124.148.1.90:59277 PUSH: Received control message: 'PUSH_REQUEST' May 3 17:21:39 kino openvpn[2416]: client2/124.148.1.90:59277 SENT CONTROL [client2]: 'PUSH_REPLY,route 192.168.150.1,topology net30,ping 10,ping-restart 120,ifconfig 192.168.150.14 192.168.150.13' (status=1) And after both clients have connected, the routing table looks like this: 192.168.150.2 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 203.209.167.192 0.0.0.0 255.255.255.224 U 0 0 0 eth0 192.168.150.0 192.168.150.2 255.255.255.0 UG 0 0 0 tun0 192.168.0.0 192.168.150.2 255.255.255.0 UG 0 0 0 tun0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 203.209.167.193 0.0.0.0 UG 0 0 0 eth0 As you can see, it's created the route to 192.168.0.0/24 (client1) but not to 10.0.1.0/24 (client2), even though the log says it's been created. Any suggestions why ?

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SSH Public Key Authentication only works if active session exists before

- by Webx10

I have a rather strange problem with my SSH configuration. I set up my server with the help of a Remote Access Card and configured everything with a KVM viewer. So while being logged into the server via the KVM Viewer I configured SSH with only pubkey and tried to login from my local laptop. It worked fine. If I quit the KVM Session (or logout with the user in the KVM session) I cannot login via ssh anymore (pubkey denied). SSH login only works as long as the user is somewhere still logged in. Any hints what the problem might be? Console output for a failed login (all personal data exchanged): OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011 debug1: Reading configuration data /Users/mylocaluser/.ssh/config debug1: Reading configuration data /etc/ssh_config debug1: /etc/ssh_config line 20: Applying options for * debug1: /etc/ssh_config line 103: Applying options for * debug1: Connecting to 100.100.100.100 [100.100.100.100] port 12345. debug1: Connection established. debug1: identity file /Users/mylocaluser/.ssh/id_rsa type 1 debug1: identity file /Users/mylocaluser/.ssh/id_rsa-cert type -1 debug1: identity file /Users/mylocaluser/.ssh/id_dsa type -1 debug1: identity file /Users/mylocaluser/.ssh/id_dsa-cert type -1 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_6.2 debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 debug1: match: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 pat OpenSSH* debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr [email protected] none debug1: kex: client->server aes128-ctr [email protected] none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA ab:12:23:34:45:56:67:78:89:90:12:23:34:45:56:67 debug1: Host '[100.100.100.100]:12345' is known and matches the RSA host key. debug1: Found key in /Users/mylocaluser/.ssh/known_hosts:36 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /Users/mylocaluser/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Offering RSA public key: /Users/mylocaluser/.ssh/id_rsa2 debug1: Authentications that can continue: publickey debug1: Trying private key: /Users/mylocaluser/.ssh/id_dsa debug1: No more authentication methods to try. Permission denied (publickey). Console output for a successfull login (only possible while "active session" exists): OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011 debug1: Reading configuration data /Users/mylocaluser/.ssh/config debug1: Reading configuration data /etc/ssh_config debug1: /etc/ssh_config line 20: Applying options for * debug1: /etc/ssh_config line 103: Applying options for * debug1: Connecting to 100.100.100.100 [100.100.100.100] port 12345. debug1: Connection established. debug1: identity file /Users/mylocaluser/.ssh/id_rsa type 1 debug1: identity file /Users/mylocaluser/.ssh/id_rsa-cert type -1 debug1: identity file /Users/mylocaluser/.ssh/id_dsa type -1 debug1: identity file /Users/mylocaluser/.ssh/id_dsa-cert type -1 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_6.2 debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 debug1: match: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 pat OpenSSH* debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr [email protected] none debug1: kex: client->server aes128-ctr [email protected] none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA ab:12:23:34:45:56:67:78:89:90:12:23:34:45:56:67 debug1: Host '[100.100.100.100]:12345' is known and matches the RSA host key. debug1: Found key in /Users/mylocaluser/.ssh/known_hosts:36 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /Users/mylocaluser/.ssh/id_rsa debug1: Server accepts key: pkalg ssh-rsa blen 279 debug1: Authentication succeeded (publickey). Authenticated to 100.100.100.100 ([100.100.100.100]:12345). debug1: channel 0: new [client-session] debug1: Requesting [email protected] debug1: Entering interactive session. debug1: Sending environment. debug1: Sending env LANG = de_DE.UTF-8 Welcome to Ubuntu 14.04.1 LTS

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OSError : [Errno 38] Function not implemented - Django Celery implementation

- by Jordan Messina

I installed django-celery and I tried to start up the worker server but I get an OSError that a function isn't implemented. I'm running CentOS release 5.4 (Final) on a VPS: . broker -> amqp://guest@localhost:5672/ . queues -> . celery -> exchange:celery (direct) binding:celery . concurrency -> 4 . loader -> djcelery.loaders.DjangoLoader . logfile -> [stderr]@WARNING . events -> OFF . beat -> OFF [2010-07-22 17:10:01,364: WARNING/MainProcess] Traceback (most recent call last): [2010-07-22 17:10:01,364: WARNING/MainProcess] File "manage.py", line 11, in <module> [2010-07-22 17:10:01,364: WARNING/MainProcess] execute_manager(settings) [2010-07-22 17:10:01,364: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/__init__.py", line 438, in execute_manager [2010-07-22 17:10:01,364: WARNING/MainProcess] utility.execute() [2010-07-22 17:10:01,364: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/__init__.py", line 379, in execute [2010-07-22 17:10:01,365: WARNING/MainProcess] self.fetch_command(subcommand).run_from_argv(self.argv) [2010-07-22 17:10:01,365: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/base.py", line 191, in run_from_argv [2010-07-22 17:10:01,365: WARNING/MainProcess] self.execute(*args, **options.__dict__) [2010-07-22 17:10:01,365: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/base.py", line 218, in execute [2010-07-22 17:10:01,365: WARNING/MainProcess] output = self.handle(*args, **options) [2010-07-22 17:10:01,365: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django_celery-2.0.0-py2.6.egg/djcelery/management/commands/celeryd.py", line 22, in handle [2010-07-22 17:10:01,366: WARNING/MainProcess] run_worker(**options) [2010-07-22 17:10:01,366: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/bin/celeryd.py", line 385, in run_worker [2010-07-22 17:10:01,366: WARNING/MainProcess] return Worker(**options).run() [2010-07-22 17:10:01,366: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/bin/celeryd.py", line 218, in run [2010-07-22 17:10:01,366: WARNING/MainProcess] self.run_worker() [2010-07-22 17:10:01,366: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/bin/celeryd.py", line 312, in run_worker [2010-07-22 17:10:01,367: WARNING/MainProcess] worker.start() [2010-07-22 17:10:01,367: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/worker/__init__.py", line 206, in start [2010-07-22 17:10:01,367: WARNING/MainProcess] component.start() [2010-07-22 17:10:01,367: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/concurrency/processes/__init__.py", line 54, in start [2010-07-22 17:10:01,367: WARNING/MainProcess] maxtasksperchild=self.maxtasksperchild) [2010-07-22 17:10:01,367: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/concurrency/processes/pool.py", line 448, in __init__ [2010-07-22 17:10:01,368: WARNING/MainProcess] self._setup_queues() [2010-07-22 17:10:01,368: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/concurrency/processes/pool.py", line 564, in _setup_queues [2010-07-22 17:10:01,368: WARNING/MainProcess] self._inqueue = SimpleQueue() [2010-07-22 17:10:01,368: WARNING/MainProcess] File "/usr/local/lib/python2.6/multiprocessing/queues.py", line 315, in __init__ [2010-07-22 17:10:01,368: WARNING/MainProcess] self._rlock = Lock() [2010-07-22 17:10:01,368: WARNING/MainProcess] File "/usr/local/lib/python2.6/multiprocessing/synchronize.py", line 117, in __init__ [2010-07-22 17:10:01,369: WARNING/MainProcess] SemLock.__init__(self, SEMAPHORE, 1, 1) [2010-07-22 17:10:01,369: WARNING/MainProcess] File "/usr/local/lib/python2.6/multiprocessing/synchronize.py", line 49, in __init__ [2010-07-22 17:10:01,369: WARNING/MainProcess] sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue) [2010-07-22 17:10:01,369: WARNING/MainProcess] OSError [2010-07-22 17:10:01,369: WARNING/MainProcess] : [2010-07-22 17:10:01,369: WARNING/MainProcess] [Errno 38] Function not implemented Am I just totally screwed and should use a new kernel that has this implemented or is there an easy way to resolve this?

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Mod_Rewrite w Apache mod_jrun22.so & ColdFusion 9 on cPanel

- by Eddie B

How can I utilize mod_rewrite at either the httpd.conf level or per-directory level when mod_jrun22 seems to have short-stopped the rewrite process for ColdFusion pages? I have a ColdFusion 9 based site running on Centos 5.8 w cPanel. cPanel uses EasyApache 3 to manage virtual host containers and as such the conf for mod_jrun22.so, /usr/local/apache/conf/includes/pre_main_global.conf, is loaded prior to the main httpd.conf with the domain specific rules for the container. My assertion is that .cfm pages are failing to be rewritten due to the mod_jk22.so module having priority in the directive chain. To note, I also have a WordPress blog in the site where the rewrites appear to be working fine. For example the following code to remove the index file works fine for php and fails with cfm ... .htaccess under /blog/ : This works Options -Indexes -Multiviews <IfModule mod_rewrite.c> RewriteEngine On RewriteBase /blog/ RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /blog/index.php [L] </IfModule> .htaccess under / : This does not work as expected. Apache serves the page. ASSERT: This would redirect to domain.com/ without index.cfm Options -Indexes -Multiviews <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.cfm$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.cfm [L] </IfModule> .htaccess under / : This works I'm presuming this is working because the redirect is to another .cfm page and a 404 handler in Application.cfc ... Options -Indexes -Multiviews <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^.*\.cfm$ - [L] RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{ENV:REDIRECT_STATUS} =404 RewriteRule . /404.cfm$ [L] </IfModule> I've attempted numerous different methods to rewrite .cfm urls ... Adding [PT], [L], [R], [NS], Moving the script to Directory blocks under httpd.conf --- all with the same results ... either the rewrite doesn't work or Apache crashes in an endless loop ... Any help would be greatly appreciated. Below is a single-visit rewrite log snippet for a request to /index.cfm ... the pass-through is taking effect before the rewrite ... cat rewrite_dump_mod | grep index.cfm [perdir /home/foo/public_html/] strip per-dir prefix: /home/foo/public_html/index.cfm -> index.cfm [perdir /home/foo/public_html/] applying pattern '^.*\.cfm$' to uri 'index.cfm' [perdir /home/foo/public_html/] pass through /home/foo/public_html/index.cfm [perdir /home/foo/public_html/] strip per-dir prefix: /home/foo/public_html/index.cfm -> index.cfm [perdir /home/foo/public_html/] applying pattern '^.*\.cfm$' to uri 'index.cfm' [perdir /home/foo/public_html/] pass through /home/foo/public_html/index.cfm * UPDATE * I've managed to figure this out ... it took a while ... Options -Indexes -Multiviews +FollowSymLinks <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{HTTP_HOST} !^www\. RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L] RewriteCond %{THE_REQUEST} ^.*/index\.cfm RewriteRule ^(.*)index.cfm http://%{HTTP_HOST}/$1 [R=301,L] </IfModule>

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Connecting PC to TV via HDMI/DVI: Windows XP doesn't allow the appropriate screen resolution

- by Jørgen

I have a computer that is connected to the living room TV (a Panasonic) via HDMI. There is no other monitor connected. My problem is that the computer, which is running Windows XP, does not allow me to set the proper resolution for the TV. Both the graphics adapter and the TV should support the 1280x720 resolution, but it cannot be selected - the only available options are 1280x600 and 800x600, both in the "native" Windows dialog box and the custom Intel graphics options dialog box. Do anyone have a suggestion for a solution for this? Things I've thought of: Setting the resolution directly in the registry (where?) Installing some "custom" monitor driver (the TV manufacturer does not appear to provide any, currently the "generic" one is used) Details on the setup: Connection: DVI output on the computer via a passive DVI-HDMI adapter to the HDMI input on the TV, audio is run on a separate link, the TV is able to combine video and audio without any problem, the problem is there regardless of whether or not the audio is connected. The connection is several meters long through some walls, for this reason using a VGA cable instead is not an option. Note that the report explicitly says that the TV supports 1280x720. Still, I am not allowed to select it in Graphics Options, only 1280x600 and 800x600 is available. For 800x600, there's a lot of black around the edges; for 1280x600, the screen is "zoomed" so the edges of the monitor image (like the taskbar) is not visible. Other: The computer is running Windows XP. More recent versions of Windows are not an option (I have no licence). Linux is probably not an option (some of the video streaming sites I plan to use do not support it, I think) I wrote the rest of the details below. Thanks for any help!! TV: Panasonic TX-L32X10Y, European version; a 720p 32" quite "regular" LCD TV. Allowed resolutions according to manual: Signal name: 640x480 @60HZ Horizontal frequency: 31.47 kHz Vertical frequency: 60Hz Signal name: 750/720) /60p Horizontal frequency: 45.00 kHz Vertical frequency: 60Hz Signal name: 1,125 (1,080) / 60p Horizontal frequency: 67.50 kHz Vertical frequency: 60Hz (this is exactly how the manual presents it. PC via D-SUB (VGA cable) and "regular" HDMI have more alternatives.) Messing with the "zoom" settings on the TV does not affect the available resolution options on the computer. Computer: The following is a printout from one of the graphics adapter option pages. I think it covers most of it. The computer is a Dell. INTEL(R) EXTREME GRAPHICS 2 REPORT Report Date: 04/17/2011 Report Time[hr:mm:ss]: 20:18:02 Driver Version: 6.14.10.4396 Operating System: Windows XP* Professional, Service Pack 3 (5.1.2600) Default Language: English DirectX* Version: 9.0 Physical Memory: 1021 MB Minimum Graphics Memory: 1 MB Maximum Graphics Memory: 96 MB Graphics Memory in Use: 6 MB Processor: x86 Processor Speed: 2593 MHZ Vendor ID: 8086 Device ID: 2572 Device Revision: 02 * Accelerator Information * Accelerator in Use: Intel(R) 82865G Graphics Controller Video BIOS: 2972 Current Graphics Mode: 1280 by 600 True Color (60 Hz) * Devices Connected to the Graphics Accelerator * Active Digital Displays: 1 * Digital Display * Monitor Name: Plug and Play Monitor Display Type: Digital Gamma Value: 2.20 DDC2 Protocol: Supported Maximum Image Size: Horizontal: Not Available Vertical: Not Available Monitor Supported Modes: 1280 by 720 (50 Hz) 1280 by 720 (60 Hz) Display Power Management Support: Standby Mode: Not Supported Suspend Mode: Not Supported Active Off Mode: Not Supported (disclaimer: this question was also asked at the Wikipedia Reference Desk some time ago and might show up in a Google search. I got no useful answers there.)

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Intermittent Windows Server 2008 BSOD and restart

- by Timka

Our EC2 Instance (Windows Server 2008) crashed multiple times for the past 3 months (last time was today at 1:05 EST). Upon reviewing MEMORY.DMP file we noticed that possible cause of the crashes is rhelnet.sys (RedHat PV NIC Driver). Server's Event Viewer has the following records right after the crash: Critical - Kernel Power: The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly. BugCheck: The computer has rebooted from a bugcheck. The bugcheck was: 0x000000d1 (0x000000000000002d, 0x0000000000000002, 0x0000000000000000, 0xfffff88001402d14). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: 100113-35849-01. Could this be a hardware issue? Would it help if we stop and start the instance? Or is this more likely that this is caused by the software running on the system? [Update 10.01.2013] Amazon Rep suggested to update RH drivers to Citrix PV drivers on our instance: Upgrading PV Drivers [Update 10.08.2013] We performed a drivers upgrade on the cloned instance. Right after the upgrade we noticed the following errors in our Event viewer: Xennet6 errors in Event Viewer (Event ID# 5001) After digging a bit more I found this article suggesting to install the latest Citrix drivers. Unfortunately, this didn't help us at all and our cloned instance became unresponsive. [Update 10.08.2013 2] I recreated an instance and updated PV drivers again. After searching on Internet I found this article where Amazon Rep explains that: "Event ID 5001 from source Xennet6 cannot be found" message does not indicate anything wrong, just that the PV driver is looking for a feature that we have not implemented in our version of Xen. I will keep my test system running for a while to see if there any issues with it.

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Cannot SSH after resetting firewall on VPS

- by Thomas Buckley

I'm having trouble trying to SSH to my Debian 5 VPS with blacknight. It was working fine until I did the following: Logged into 'Parallels Infrastructure Manager' - Container - Firewall - Set to 'Normal Firewall settings'. It told me there was an error with the IPTables and offered the option again with a checkbox to 'reset' firewall settings, I selected this. I can see that that the default rules are been applied ( anything from anyone on any port and allowing anything to happen). Whenever I attempt to SSH I get the following debug info: thomas@localmachine:~/.ssh$ ssh -v thomas@hostname OpenSSH_5.8p1 Debian-7ubuntu1, OpenSSL 1.0.0e 6 Sep 2011 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to hostname [***********] port 22. debug1: Connection established. debug1: identity file /home/thomas/.ssh/id_rsa type 1 debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-4096 debug1: Checking blacklist file /etc/ssh/blacklist.RSA-4096 debug1: identity file /home/thomas/.ssh/id_rsa-cert type -1 debug1: identity file /home/thomas/.ssh/id_dsa type -1 debug1: identity file /home/thomas/.ssh/id_dsa-cert type -1 debug1: identity file /home/thomas/.ssh/id_ecdsa type -1 debug1: identity file /home/thomas/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8p1 Debian-7ubuntu1 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA ************************************* debug1: Host 'hostname' is known and matches the RSA host key. debug1: Found key in /home/thomas/.ssh/known_hosts:2 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/thomas/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key: /home/thomas/.ssh/id_dsa debug1: Trying private key: /home/thomas/.ssh/id_ecdsa debug1: No more authentication methods to try. Permission denied (publickey). I had my public/private RSA keys set up and working fine before I reset the firewall settings. I had also made the following changes to my /etc/ssh/sshd_config file on the VPS: PermitRootLogin no PasswordAuthentication no X11Forwarding no UsePAM no UseDNS no AllowUsers thomas Could it be something to do with the SSH server & client having different versions between my local machine and VPS? Any help appreciated. Output with ssh -vvv thomas@localcomputer:~/.ssh$ ssh -vvv thomas@**************** OpenSSH_5.8p1 Debian-7ubuntu1, OpenSSL 1.0.0e 6 Sep 2011 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to ************ [*************] port 22. debug1: Connection established. debug3: Incorrect RSA1 identifier debug3: Could not load "/home/thomas/.ssh/id_rsa" as a RSA1 public key debug2: key_type_from_name: unknown key type '-----BEGIN' debug3: key_read: missing keytype debug2: key_type_from_name: unknown key type 'Proc-Type:' debug3: key_read: missing keytype debug2: key_type_from_name: unknown key type 'DEK-Info:' debug3: key_read: missing keytype debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug2: key_type_from_name: unknown key type '-----END' debug3: key_read: missing keytype debug1: identity file /home/thomas/.ssh/id_rsa type 1 debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-4096 debug1: Checking blacklist file /etc/ssh/blacklist.RSA-4096 debug1: identity file /home/thomas/.ssh/id_rsa-cert type -1 debug1: identity file /home/thomas/.ssh/id_dsa type -1 debug1: identity file /home/thomas/.ssh/id_dsa-cert type -1 debug1: identity file /home/thomas/.ssh/id_ecdsa type -1 debug1: identity file /home/thomas/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8p1 Debian-7ubuntu1 debug2: fd 3 setting O_NONBLOCK debug3: load_hostkeys: loading entries for host "*****************" from file "/home/thomas/.ssh/known_hosts" debug3: load_hostkeys: found key type RSA in file /home/thomas/.ssh/known_hosts:1 debug3: load_hostkeys: loaded 1 keys debug3: order_hostkeyalgs: prefer hostkeyalgs: [email protected],[email protected],ssh-rsa debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: [email protected],[email protected],ssh-rsa,[email protected],[email protected],[email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_setup: found hmac-md5 debug1: kex: server->client aes128-ctr hmac-md5 none debug2: mac_setup: found hmac-md5 debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 127/256 debug2: bits set: 498/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA *********************************************************** debug3: load_hostkeys: loading entries for host "*********************" from file "/home/thomas/.ssh/known_hosts" debug3: load_hostkeys: found key type RSA in file /home/thomas/.ssh/known_hosts:1 debug3: load_hostkeys: loaded 1 keys debug1: Host '****************' is known and matches the RSA host key. debug1: Found key in /home/thomas/.ssh/known_hosts:1 debug2: bits set: 516/1024 debug1: ssh_rsa_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /home/thomas/.ssh/id_rsa (0x7fa7028b6010) debug2: key: /home/thomas/.ssh/id_dsa ((nil)) debug2: key: /home/thomas/.ssh/id_ecdsa ((nil)) debug1: Authentications that can continue: publickey debug3: start over, passed a different list publickey debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password debug3: authmethod_lookup publickey debug3: remaining preferred: keyboard-interactive,password debug3: authmethod_is_enabled publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/thomas/.ssh/id_rsa debug3: send_pubkey_test debug2: we sent a publickey packet, wait for reply debug1: Authentications that can continue: publickey debug1: Trying private key: /home/thomas/.ssh/id_dsa debug3: no such identity: /home/thomas/.ssh/id_dsa debug1: Trying private key: /home/thomas/.ssh/id_ecdsa debug3: no such identity: /home/thomas/.ssh/id_ecdsa debug2: we did not send a packet, disable method debug1: No more authentication methods to try. Permission denied (publickey). sshd_config # Package generated configuration file # See the sshd(8) manpage for details # What ports, IPs and protocols we listen for Port 22 # Use these options to restrict which interfaces/protocols sshd will bind to #ListenAddress :: #ListenAddress 0.0.0.0 Protocol 2 # HostKeys for protocol version 2 HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key #Privilege Separation is turned on for security UsePrivilegeSeparation yes # Lifetime and size of ephemeral version 1 server key KeyRegenerationInterval 3600 ServerKeyBits 768 # Logging SyslogFacility AUTH LogLevel INFO # Authentication: LoginGraceTime 120 PermitRootLogin no StrictModes yes RSAAuthentication yes PubkeyAuthentication yes #AuthorizedKeysFile %h/.ssh/authorized_keys # Don't read the user's ~/.rhosts and ~/.shosts files IgnoreRhosts yes # For this to work you will also need host keys in /etc/ssh_known_hosts RhostsRSAAuthentication no # similar for protocol version 2 HostbasedAuthentication no # Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication #IgnoreUserKnownHosts yes # To enable empty passwords, change to yes (NOT RECOMMENDED) PermitEmptyPasswords no # Change to yes to enable challenge-response passwords (beware issues with # some PAM modules and threads) C hallengeResponseAuthentication no # Change to no to disable tunnelled clear text passwords PasswordAuthentication no # Kerberos options #KerberosAuthentication no #KerberosGetAFSToken no #KerberosOrLocalPasswd yes #KerberosTicketCleanup yes # GSSAPI options #GSSAPIAuthentication no #GSSAPICleanupCredentials yes X11Forwarding no X11DisplayOffset 10 PrintMotd no PrintLastLog yes TCPKeepAlive yes #UseLogin no #MaxStartups 10:30:60 #Banner /etc/issue.net # Allow client to pass locale environment variables AcceptEnv LANG LC_* Subsystem sftp /usr/lib/openssh/sftp-server UsePAM no UseDNS no AllowUsers thomas Thanks

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Remote RIB iLO on Proliant via RIBCL

- by Wudang

I'm trying to automate a process for our Ops. The process requires that some windows servers running on blades are shut down, left down for a few hours, the restarted when some other processes complete. This is done by an op logging on to each blade's iLO web interface to stop and start. I've been trying to automate this with HP's cpqlocfg program with partial success. I can issue the GET_POWER, GET_USER_INFO, etc commands but SET_HOST_POWER fails in a specific way. Using the cpqlocfg GET_EVENTLOG command I can see the events XML login and the power comand being issued from the iLO interface but then nothing happens. Some hints from googling suggest ACPI isn't configured properly but I can't find any hits on how to verify this. Am I even using the right command? There's also a few other options like PRESS_PWR_BUTTON etc. Problem is I have nowhere to test this, all I can do at the moment is give a script to ops and ask them to try it as 4am on a Sunday when they try the proc. The shutdown is trivial as I can use the windows "shutdown" command, it's the power on that I need help on. Anyone done this? I'd tag this "rib ribcl ilo" but lack the rep points, sorry.

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BSOD Before Windows Will Loads - Graphics Related

- by Brian

Alright deep breath here: (Windows 7 Home Premium 64 bit btw) Today I installed Star Craft 2 Beta. After trying to log in, it had some issues where it said my device stopped working (referring to my video device I have to imagine). After I force quit the game there were some random "hot" (various colors if i remember correctly) pixels on the screen. I decided to reboot and try again with similar results. I figured that maybe my display drivers could stand to be updated (I don't frequently update them as I don't often run into problems). I went out to nVidia's website and grabbed the latest drivers for Windows 7 64 bit GeForce 9 series. (I have SLi-ed 9800 GTs). Everything seemed to install fine and I performed the restart. This is when things went from bad (can't play SC2 beta ;) ) to worse (can't boot into windows!). Initially the very first splash screen - I think it's the bios splash screen - had lines of colored pixels covering it. It then displayed a screen that had lots of "(" on it. After that it showed the normal windows 7 splash screen as if it were going to load into Windows. Before getting much further, it BSODed on me. It was a 0x0000003B stop error. At nvlddmkm.sys. A little digging let verified that this was a problem with an nVidia graphics device, not a real shocker. Windows decided it would try to help me diagnose the problem, which it's only answer to was a System Restore, which did nothing to alleviate the problem. I was able to boot up fine in safe mode and was not able to roll back the driver, however I did uninstall the driver and reboot. I still had the graphical anomalies during the first two screens (same colored "."'s and weird "("'s), but there was NOT a stop error. Windows loaded up, found a default driver for the device and installed it and I restarted to let it load - and had yet another BSOD Stop error. Repeat driver uninstall, this time I reloaded the same version (I think it's possible that I was running a 32 bit version or a vista versus windows 7 version, but I don't have that information handy) of the nVidia driver from their website. Restart, same anomalies, same Stop Error. I am at a loss - At this point all I can think is that the firmware for the Video cards got fried or there's actual damage to the cards which I sincerely hope is not the case but the sooner I know the better. Any insight into what I might be able to do to troubleshoot/fix this problem would be most helpful. Attached below is a dump from DxDiag. Please let me know if there is more info that I could provide. ------------------ System Information ------------------ Time of this report: 3/18/2010, 23:22:48 Machine name: BRIAN-PC Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255) Language: English (Regional Setting: English) System Manufacturer: Dell Inc System Model: XPS 630i BIOS: Phoenix - AwardBIOS v6.00PG Processor: Intel(R) Core(TM)2 Quad CPU Q8200 @ 2.33GHz (4 CPUs), ~2.3GHz Memory: 8192MB RAM Available OS Memory: 8190MB RAM Page File: 1855MB used, 14521MB available Windows Dir: C:\Windows DirectX Version: DirectX 11 DX Setup Parameters: Not found User DPI Setting: Using System DPI System DPI Setting: 96 DPI (100 percent) DWM DPI Scaling: Disabled DxDiag Version: 6.01.7600.16385 32bit Unicode DxDiag Previously: Crashed in DirectShow (stage 1). Re-running DxDiag with "dontskip" command line parameter or choosing not to bypass information gathering when prompted might result in DxDiag successfully obtaining this information ------------ DxDiag Notes ------------ Display Tab 1: No problems found. Sound Tab 1: No problems found. Sound Tab 2: No problems found. Sound Tab 3: No problems found. Input Tab: No problems found. -------------------- DirectX Debug Levels -------------------- Direct3D: 0/4 (retail) DirectDraw: 0/4 (retail) DirectInput: 0/5 (retail) DirectMusic: 0/5 (retail) DirectPlay: 0/9 (retail) DirectSound: 0/5 (retail) DirectShow: 0/6 (retail) --------------- Display Devices --------------- Card name: Manufacturer: Chip type: DAC type: Device Key: Enum\ Display Memory: n/a Dedicated Memory: n/a Shared Memory: n/a Current Mode: 1600 x 1200 (32 bit) (1Hz) Driver Name: Driver File Version: () Driver Version: DDI Version: unknown Driver Model: unknown Driver Attributes: Final Retail Driver Date/Size: , 0 bytes WHQL Logo'd: n/a WHQL Date Stamp: n/a Device Identifier: {D7B70EE0-4340-11CF-B123-B03DAEC2CB35} Vendor ID: 0x0000 Device ID: 0x0000 SubSys ID: 0x00000000 Revision ID: 0x0000 Driver Strong Name: Unknown Rank Of Driver: Unknown Video Accel: Deinterlace Caps: n/a D3D9 Overlay: n/a DXVA-HD: n/a DDraw Status: Not Available D3D Status: Not Available AGP Status: Not Available ------------- Sound Devices ------------- Description: Speakers (Realtek High Definition Audio) Default Sound Playback: Yes Default Voice Playback: Yes Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No Description: Realtek Digital Output (Realtek High Definition Audio) Default Sound Playback: No Default Voice Playback: No Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No Description: Realtek HDMI Output (Realtek High Definition Audio) Default Sound Playback: No Default Voice Playback: No Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No --------------------- Sound Capture Devices --------------------- Description: Microphone (Realtek High Definition Audio) Default Sound Capture: Yes Default Voice Capture: Yes Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail Date and Size: 8/18/2008 04:05:28, 1485592 bytes Cap Flags: 0x0 Format Flags: 0x0 Description: Realtek Digital Input (Realtek High Definition Audio) Default Sound Capture: No Default Voice Capture: No Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail Date and Size: 8/18/2008 04:05:28, 1485592 bytes Cap Flags: 0x0 Format Flags: 0x0 ------------------- DirectInput Devices ------------------- Device Name: Mouse Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Device Name: Keyboard Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Device Name: ESA FW Update Attached: 1 Controller ID: 0x0 Vendor/Product ID: 0x0955, 0x000A FF Driver: n/a Poll w/ Interrupt: No ----------- USB Devices ----------- + USB Root Hub | Vendor/Product ID: 0x10DE, 0x026D | Matching Device ID: usb\root_hub | Service: usbhub | +-+ USB Input Device | | Vendor/Product ID: 0x0955, 0x000A | | Location: Port_#0002.Hub_#0001 | | Matching Device ID: generic_hid_device | | Service: HidUsb | | | +-+ HID-compliant device | | | Vendor/Product ID: 0x0955, 0x000A | | | Matching Device ID: hid_device | | +-+ USB Input Device | | Vendor/Product ID: 0x046D, 0xC01E | | Location: Port_#0003.Hub_#0001 | | Matching Device ID: generic_hid_device | | Service: HidUsb | | | +-+ HID-compliant mouse | | | Vendor/Product ID: 0x046D, 0xC01E | | | Matching Device ID: hid_device_system_mouse | | | Service: mouhid ---------------- Gameport Devices ---------------- ------------ PS/2 Devices ------------ + Standard PS/2 Keyboard | Matching Device ID: *pnp0303 | Service: i8042prt | + Terminal Server Keyboard Driver | Matching Device ID: root\rdp_kbd | Upper Filters: kbdclass | Service: TermDD | + Terminal Server Mouse Driver | Matching Device ID: root\rdp_mou | Upper Filters: mouclass | Service: TermDD ------------------------ Disk & DVD/CD-ROM Drives ------------------------ Drive: C: Free Space: 324.3 GB Total Space: 608.4 GB File System: NTFS Model: WDC WD64 00AAKS-75A7B SCSI Disk Device Drive: D: Free Space: 1.0 GB Total Space: 2.0 GB File System: NTFS Model: WDC WD64 00AAKS-75A7B SCSI Disk Device Drive: E: Model: TSSTcorp DVD+-RW TS-H653F SCSI CdRom Device Driver: c:\windows\system32\drivers\cdrom.sys, 6.01.7600.16385 (English), , 0 bytes -------------- System Devices -------------- Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_03B7&SUBSYS_000010DE&REV_A1\3&2411E6FE&1&18 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AF&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0A Driver: n/a Name: PCI standard host CPU bridge Device ID: PCI\VEN_10DE&DEV_03A3&SUBSYS_02491028&REV_A2\3&2411E6FE&1&00 Driver: n/a Name: NVIDIA nForce Serial ATA Controller Device ID: PCI\VEN_10DE&DEV_0267&SUBSYS_02491028&REV_A1\3&2411E6FE&1&78 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B6&SUBSYS_02491028&REV_A1\3&2411E6FE&1&10 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AE&SUBSYS_02491028&REV_A1\3&2411E6FE&1&09 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_0272&SUBSYS_02491028&REV_A3\3&2411E6FE&1&52 Driver: n/a Name: NVIDIA nForce Serial ATA Controller Device ID: PCI\VEN_10DE&DEV_0266&SUBSYS_02491028&REV_A1\3&2411E6FE&1&70 Driver: n/a Name: LSI 1394 OHCI Compliant Host Controller Device ID: PCI\VEN_11C1&DEV_5811&SUBSYS_02491028&REV_70\4&14591D7E&0&2880 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B5&SUBSYS_02491028&REV_A1\3&2411E6FE&1&06 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AD&SUBSYS_02491028&REV_A1\3&2411E6FE&1&08 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_0270&SUBSYS_02491028&REV_A2\3&2411E6FE&1&48 Driver: n/a Name: Standard Dual Channel PCI IDE Controller Device ID: PCI\VEN_10DE&DEV_0265&SUBSYS_02491028&REV_A1\3&2411E6FE&1&68 Driver: n/a Name: NVIDIA GeForce 9800 GT Device ID: PCI\VEN_10DE&DEV_0605&SUBSYS_062D10DE&REV_A2\4&4BABE2A&0&0028 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B4&SUBSYS_02491028&REV_A1\3&2411E6FE&1&07 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AC&SUBSYS_02491028&REV_A1\3&2411E6FE&1&01 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_026F&SUBSYS_CB8410DE&REV_A2\3&2411E6FE&1&80 Driver: n/a Name: NVIDIA nForce PCI System Management Device ID: PCI\VEN_10DE&DEV_0264&SUBSYS_02491028&REV_A3\3&2411E6FE&1&51 Driver: n/a Name: NVIDIA GeForce 9800 GT Device ID: PCI\VEN_10DE&DEV_0605&SUBSYS_062D10DE&REV_A2\4&10BD3C89&0&0018 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B3&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0E Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AB&SUBSYS_02491028&REV_A1\3&2411E6FE&1&04 Driver: n/a Name: Standard Enhanced PCI to USB Host Controller Device ID: PCI\VEN_10DE&DEV_026E&SUBSYS_02491028&REV_A3\3&2411E6FE&1&59 Driver: n/a Name: PCI standard ISA bridge Device ID: PCI\VEN_10DE&DEV_0260&SUBSYS_02491028&REV_A3\3&2411E6FE&1&50 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03BC&SUBSYS_02491028&REV_A1\3&2411E6FE&1&11 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B2&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0D Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AA&SUBSYS_02491028&REV_A1\3&2411E6FE&1&02 Driver: n/a Name: Standard OpenHCD USB Host Controller Device ID: PCI\VEN_10DE&DEV_026D&SUBSYS_02491028&REV_A3\3&2411E6FE&1&58 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03BA&SUBSYS_02491028&REV_A1\3&2411E6FE&1&12 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B1&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0C Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03A9&SUBSYS_02491028&REV_A1\3&2411E6FE&1&03 Driver: n/a Name: High Definition Audio Controller Device ID: PCI\VEN_10DE&DEV_026C&SUBSYS_02491028&REV_A2\3&2411E6FE&1&81 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_03B8&SUBSYS_000010DE&REV_A1\3&2411E6FE&1&28 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B0&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0B Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03A8&SUBSYS_02491028&REV_A2\3&2411E6FE&1&05 Driver: n/a Name: NVIDIA nForce Networking Controller Device ID: PCI\VEN_10DE&DEV_0269&SUBSYS_02491028&REV_A3\3&2411E6FE&1&A0 Driver: n/a --------------- EVR Power Information --------------- Current Setting: {5C67A112-A4C9-483F-B4A7-1D473BECAFDC} (Quality) Quality Flags: 2576 Enabled: Force throttling Allow half deinterlace Allow scaling Decode Power Usage: 100 Balanced Flags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 50 PowerFlags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 0

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Connection speed drops from 1 Gbps to 10 Mbps (Vista 64)

- by Kevin Hakanson

I recently got a Windows Home Server (HP MediaSmart Server EX490) setup so I could do backups and other things. However, I am having trouble on my Vista 64 PC. The backup will be making great progress, then it will just slow down. At one point, I noticed the lights on my Netgear GS105 indicated it was not using a 1000 Mbps connection, but a 10 Mbps one. I checked the Status of Local Area Connection (Intel(R) 82567V-2 Gigabit Network Connection) and that also showed the same slow speed. This has happened several times in the last couple days. When I disabled the network device, and then enabled it, it established the 1 Gpbs connection again. However, some of the times the Sent Bytes Activity on the Status windows indicate that the data flow is still slow (100 to 1000 bytes every couple seconds). Obviously, at this rate I could backup faster to floppy disk. :) My question is how to diagnose and fix this problem. When I look at the Administrative Events, I do a Errors: Bonjour Service 456: ERROR: read_msg errno 10054 (An existing connection was forcibly closed by the remote host.) And a Warning: e1yexpress Intel(R) 82567V-2 Gigabit Network Connection Link has been disconnected. I am suspicious there is some power saving mode. I found a post suggesting System Idle Power Saver(SIPS) may be the issue. I am going to try that, but looking for other suggestions or diagnostic advice. I have several new items in this configuration: server, client software, switch and cat6 cables.

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Audio Static/Interference regardless of audio interface?

- by Tom

I currently am running a media center/server on a Lubuntu machine. The machine specs: Core 2 Duo Extreme EVGA SLI 680i MotherBoard 2 GB DDR2 Ram 3 Hard Drives no raid - WD Caviar Black, Green, and Samsung Spinpoint Galaxy GTX 220 1GB External USB Creative XI-FI Extreme Card 550W Power Supply This machine is hooked up through an optical cable to an ONKYO HTR340 Receiver through the XIFI card. Whenever I play any audio regardless if it is through XBMC, the default audio player, a flash video, etc, I get a horrible static sound that randomly gets louder. Here is a video of the sound: http://www.youtube.com/watch?v=SqKQkxYRVA4 This static comes in randomly, sometimes going away for short periods, but eventually always comes back. So far I have tried everything I could think of: Reinstalling OS Installing/upgrading/repairing PulseAudio/Alsa Installing alternate OSes, straight Ubuntu, Lubuntu, Xubuntu, Arch, Mint, Windows 7 Switching audio from the external card to internal Optical, audio out through HDMI, audio out through headphones Different ports on receiver (my main desktop sounds fine on the same sound system) Different optical cables Unplugging everything unnecessary from the motherboard (1 HD, 1 Stick of Ram, 1 Keyboard) Swapping out ram Swapping out the motherboard Replacing the Graphics Card (was replaced due to fan being noisy, not specifically for this problem) Different harddrives Swapping power supply Disabling onboard audio Pretty much everything short of swapping the CPU. I haven't been able to narrow down the problem and it is getting frustrating. Is it possible that the CPU is faulty and might cause a problem such as this, or that the PC case is shorting out the motherboard? Any kind of suggestions will be appreciated.

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Remove Kernel Lock from Unmounted Mass Storage USB Device from the Command Line in Linux

- by Casey

I've searched high and low, and can't figure this one out. I have a older Olympus Camera (2001 or so). When I plug in the USB connection, I get the following log output: $ dmesg | grep sd [20047.625076] sd 21:0:0:0: Attached scsi generic sg7 type 0 [20047.627922] sd 21:0:0:0: [sdg] Attached SCSI removable disk Secondly, the drive is not mounted in the FS, but when I run gphoto2 I get the following error: $ gphoto2 --list-config *** Error *** An error occurred in the io-library ('Could not lock the device'): Camera is already in use. *** Error (-60: 'Could not lock the device') *** What command will unmount the drive. For example in Nautilus, I can right click and select "Safely Remove Device". After doing that, the /dev/sg7 and /dev/sdg devices are removed. The output of gphoto2 is then: # gphoto2 --list-config /Camera Configuration/Picture Settings/resolution /Camera Configuration/Picture Settings/shutter /Camera Configuration/Picture Settings/aperture /Camera Configuration/Picture Settings/color /Camera Configuration/Picture Settings/flash /Camera Configuration/Picture Settings/whitebalance /Camera Configuration/Picture Settings/focus-mode /Camera Configuration/Picture Settings/focus-pos /Camera Configuration/Picture Settings/exp /Camera Configuration/Picture Settings/exp-meter /Camera Configuration/Picture Settings/zoom /Camera Configuration/Picture Settings/dzoom /Camera Configuration/Picture Settings/iso /Camera Configuration/Camera Settings/date-time /Camera Configuration/Camera Settings/lcd-mode /Camera Configuration/Camera Settings/lcd-brightness /Camera Configuration/Camera Settings/lcd-auto-shutoff /Camera Configuration/Camera Settings/camera-power-save /Camera Configuration/Camera Settings/host-power-save /Camera Configuration/Camera Settings/timefmt Some things I've tried already are sdparm and sg3_utils, however I am unfamiliar with them, so it's possible I just didn't find the right command. Update 1: # mount | grep sdg # mount | grep sg7 # umount /dev/sg7 umount: /dev/sg7: not mounted # umount /dev/sdg umount: /dev/sdg: not mounted # gphoto2 --list-config *** Error *** An error occurred in the io-library ('Could not lock the device'): Camera is already in use. *** Error (-60: 'Could not lock the device') ***

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Proliant RAID 1 Rebuild Questions

- by Nicholas

I have a HP Proliant ML350 G5 server that experienced a power supply failure overnight. The power supply was replaced but unfortunately it got restarted with only 1 disk in the RAID 1 set plugged in. (The raid controller is the build in E200i). The raid BIOS then said on start-up that it had entered Interim Recovery Mode. However I would have expected it to still start up with only the 1 drive. The bios however says that it cannot find a C: drive and enters a reboot loop polling the other boot devices. First question is, is this normal behaviour not to start up on 1 disk? The second drive was then plugged in (all drives are ok) and the raid bios started an automatic rebuild on that disk. This appears to be a background process as there is no progress shown. However based on the light flashing it looks like it is working. My second question is how long will this rebuild take? (36GB 15K SAS drive). I cannot see any error messages and it looks like it is rebuilding the drive ok, but the computer still will not start-up. It still says during the boot up process that the C: drive is not found. If I wait for the rebuild to finish, is it likely to fix itself and find the C: drive? Or is there some other problem here?

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Asus P5Q doesn't post at all

- by Sebi

I had a very strange incident this evening. I was watching TV on the computer and suddenly the sound stutter. Some seconds later, the screen went black. First I thought ok some error, don't worry. Since the computer didn't react on any input from the mouse or keyboard, I shutted it down by pressing the power button. I tried to reboot but the monitor rest black. All the fans were running, the MB didn't made a beep and the leds are all green as they have to be. The HDD is running too, also the monitor is on. But nothing happens, not even a single message on the screen, just black. Here are the things I already tried with no success: tried to boot with 1 of two rams (each tested alone) turned off all power (pull th plug) for 10 minutes tested the graphic card with another pc. there it worked. tested the RAM with another pc. there it worked. Any hints what to do next?

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Dell Management Packs in System Center Operations Manager 2007 R2?

- by bwerks

Hey all, I recently set up SCOM in a small business network environment. The root management server is a Dell Poweredge 2950, and I'd like to use SCOM to monitor it using Dell's management packs. I've imported the management packs into the SCOM deployment and followed Dell's installation instructions, but it doesn't seem to be fully working yet. Currently, the Diagram views in the Dell tree (Monitoring tab) seem to show me the server's place in the network topology, so it seems that at least part of it is working. However, none of the reports under "Performance and Power Monitoring Views" provide any information. When clicking on one of them (Power Consumption (Watts), for instance), the display area is blank and there is a tooltip visible that reads "No performance counter is selected. To select a counter, place a check mark in the Show column in legend below." However, in the legend, there's nothing there for me to check. I've installed OpenManage 6.2 on the server as per the Dell documentation, but I don't know what else I could have done that I missed. Does this sound like a familiar problem to anyone?

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Remove Kernel Lock from Unmounted Mass Storage USB Device from the Command Line in Linux

- by Casey

I've searched high and low, and can't figure this one out. I have a older Olympus Camera (2001 or so). When I plug in the USB connection, I get the following log output: $ dmesg | grep sd [20047.625076] sd 21:0:0:0: Attached scsi generic sg7 type 0 [20047.627922] sd 21:0:0:0: [sdg] Attached SCSI removable disk Secondly, the drive is not mounted in the FS, but when I run gphoto2 I get the following error: $ gphoto2 --list-config *** Error *** An error occurred in the io-library ('Could not lock the device'): Camera is already in use. *** Error (-60: 'Could not lock the device') *** What command will unmount the drive. For example in Nautilus, I can right click and select "Safely Remove Device". After doing that, the /dev/sg7 and /dev/sdg devices are removed. The output of gphoto2 is then: # gphoto2 --list-config /Camera Configuration/Picture Settings/resolution /Camera Configuration/Picture Settings/shutter /Camera Configuration/Picture Settings/aperture /Camera Configuration/Picture Settings/color /Camera Configuration/Picture Settings/flash /Camera Configuration/Picture Settings/whitebalance /Camera Configuration/Picture Settings/focus-mode /Camera Configuration/Picture Settings/focus-pos /Camera Configuration/Picture Settings/exp /Camera Configuration/Picture Settings/exp-meter /Camera Configuration/Picture Settings/zoom /Camera Configuration/Picture Settings/dzoom /Camera Configuration/Picture Settings/iso /Camera Configuration/Camera Settings/date-time /Camera Configuration/Camera Settings/lcd-mode /Camera Configuration/Camera Settings/lcd-brightness /Camera Configuration/Camera Settings/lcd-auto-shutoff /Camera Configuration/Camera Settings/camera-power-save /Camera Configuration/Camera Settings/host-power-save /Camera Configuration/Camera Settings/timefmt Some things I've tried already are sdparm and sg3_utils, however I am unfamiliar with them, so it's possible I just didn't find the right command. Update 1: # mount | grep sdg # mount | grep sg7 # umount /dev/sg7 umount: /dev/sg7: not mounted # umount /dev/sdg umount: /dev/sdg: not mounted # gphoto2 --list-config *** Error *** An error occurred in the io-library ('Could not lock the device'): Camera is already in use. *** Error (-60: 'Could not lock the device') ***

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