Blog Archive 2012 Xen: Add Extra Partitions to Guest OS Nov 21 2012 by Gerold Mercadero HowTo: Bulk Import DNS Zones to Softlayer DNS using Cpanel Nov 13 2012 by Gerold Mercadero Integrate Sendgrid with Redmine Aug 09 2012 by Greg Palmier rsback: task x is locked and cannot be executed Jul 24 2012 by Gerold Mercadero Restore Xen VM from LVM Snapshot Backups Jun 22 2012 by Gerold Mercadero Debian 6: Backup Xen with LVM and Rsnapshot Jun 22 2012 by Gerold Mercadero Gitolite: Add, Edit, or Delete Git Repository Name Jun 05 2012 by Gerold Mercadero Install vsftpd Server With Virtual User and Directory Jun 04 2012 by Gerold Mercadero YUM: There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them. Apr 30 2012 by Gerold Mercadero 2011 HowTo Install APC on CPanel/WHM May 05 2011 by Marius Ducea Amazon AWS worse failure Apr 22 2011 by Marius Ducea Setup SSH Key Authentication Apr 17 2011 by Gerold Mercadero CentOS 5.6 released Apr 15 2011 by Marius Ducea Setup SFTP-Only Access (Redhat-based Distro) Apr 12 2011 by Gerold Mercadero Moving Drupal site with CiviCRM Apr 11 2011 by Gerold Mercadero Install ApacheSolr in Ubuntu for Drupal Apr 03 2011 by Gerold Mercadero APC should be enabled by default Apr 01 2011 by Marius Ducea Gmail Shorcuts Apr 01 2011 by Gerold Mercadero Hosting presentation at DrupalCon2011 Mar 27 2011 by Andrew Kucharski 2010 Setup Subversion (SVN) and mod_dav_svn on Cpanel Server Oct 18 2010 by Gerold Mercadero Install Apache Solr and Tomcat for Drupal Oct 17 2010 by Gerold Mercadero WordPress 3 Error: Briefly unavailable for scheduled maintenance. Check back in a minute. Oct 16 2010 by Gerold Mercadero Upload or Download Multiple Files (recursive) using Command-line FTP Oct 15 2010 by Gerold Mercadero Remove Duplicate Packages in CentOS Oct 14 2010 by Gerold Mercadero Firefox SSL Warning on Valid SSL Certificate Oct 13 2010 by Gerold Mercadero Surge2010 after party - three martini chug Oct 01 2010 by Andrew Kucharski A Day in the Life of Facebook Operations Sep 30 2010 by Andrew Kucharski Keynote summary of Surge conference Sep 30 2010 by Andrew Kucharski The Planet and Softlayer to merge Aug 05 2010 by Andrew Kucharski Drupal Performance talk video from Drupal Con 2010 Jul 29 2010 by Andrew Kucharski Debian FTP archive for Etch - archive.debian.org Jul 09 2010 by Marius Ducea HowTo remove a list of files Jul 09 2010 by Marius Ducea svnadmin: can’t open file ‘svn/db/fsfs.conf’: No such file or directory Jun 13 2010 by Marius Ducea Google 500 Error Jun 02 2010 by Andrew Kucharski Joomla site error: “mark( ‘afterLoad’ ) : null; /** * CREATE THE APPLICATION…” May 19 2010 by Gerold Mercadero SSL Certificate registration now includes “www” subdomain. May 19 2010 by Gerold Mercadero Free alternative to InnoDB Hot Backup Apr 29 2010 by Pim Van der Wal Drupalcon Security Session Notes Apr 19 2010 by Andrew Kucharski Google will use site performance and page load speed in SERP ranking - sysadmin SEO here we come Apr 13 2010 by Andrew Kucharski Enable/Disable APC on virtual host level Mar 18 2010 by Marius Ducea Problem Moving Drupal Site With SecurePages Module Enabled Feb 17 2010 by Gerold Mercadero Mail Relay Issue on Cpanel Server Feb 16 2010 by Gerold Mercadero Making Changes to Drupal Core Feb 15 2010 by Gerold Mercadero Drupal core - killing kittens Feb 10 2010 by Andrew Kucharski cvs [checkout aborted]: absolute pathnames invalid for server Feb 03 2010 by Gerold Mercadero Drupal Performance improvement for the drupal admins presentation Feb 02 2010 by Andrew Kucharski 2009 Google to offer free DNS service Dec 03 2009 by Andrew Kucharski Black Friday - 404, Site not available, and others from your favorite sites Nov 25 2009 by Andrew Kucharski Apache Now Supports Multiple SSL on Single IP Address Nov 24 2009 by Gerold Mercadero XEN VM mount external devices Nov 23 2009 by Max Veprinsky Upgrade to Fedora 12 Nov 22 2009 by Max Veprinsky MySQL sale to Oracle blocked by EU Nov 10 2009 by Andrew Kucharski SysAdmin Tool of the Week: Terminator Nov 09 2009 by Gerold Mercadero Can’t Set Root Password In Ubuntu Nov 09 2009 by Gerold Mercadero CentOS 5.4 released Nov 03 2009 by Marius Ducea Amazon EC2 prices fall + High Memory Instances + RDS Oct 27 2009 by Max Veprinsky Problem with Lilo Boot Loader Oct 27 2009 by Gerold Mercadero WhiteHouse.org goes Open Source - with Drupal Oct 25 2009 by Andrew Kucharski Linux will take mobile with Android, plus Android turns one! Oct 25 2009 by Andrew Kucharski SysAdmin Tool of the Week: Update-Scout Oct 21 2009 by Gerold Mercadero php 5.2.9 on RHEL5.x (for Drupal 6) Oct 21 2009 by Max Veprinsky Apple sold 3.1 million Macs in the last three months, 17% more than a year ago Oct 21 2009 by Andrew Kucharski Managed DNS services showdown Oct 19 2009 by Max Veprinsky Change Squid outgoing address Oct 19 2009 by Max Veprinsky How are servers like kitchens? Oct 12 2009 by Andrew Kucharski The next open source protocol - google wave Oct 12 2009 by Andrew Kucharski Drupal Watchdog Error Sep 22 2009 by Gerold Mercadero Iframe injection attack investigation Sep 21 2009 by Max Veprinsky HowTo display PHP errors when you don’t have access to php.ini Sep 15 2009 by Marius Ducea hpacucli: error while loading shared libraries: libstdc++-libc6.2-2.so.3 Sep 14 2009 by Gerold Mercadero Google webmail bites it. Sep 01 2009 by Max Veprinsky CentOS 4.8 finally released! Sep 01 2009 by Marius Ducea Beyond 4GB ram on 32bit Linux Aug 25 2009 by Max Veprinsky Using wildcards in nginx valid_referers Aug 25 2009 by Marius Ducea Using svn+ssh with a non-standard ssh port Aug 17 2009 by Marius Ducea System Admin Day - July 31st Jul 30 2009 by Andrew Kucharski Task on Amazon EBS on CentOS AMI Jul 29 2009 by Gerold Mercadero enabling allow_url_include locally in cPanel Jul 22 2009 by Max Veprinsky Waiting for SSH login prompt Jul 20 2009 by Max Veprinsky Syntax error on MySQL replication slave (error 1064) Jul 14 2009 by Pim Van der Wal Install TrueCrypt on Fedora 10 Jul 06 2009 by Max Veprinsky Ffmpeg Scratchy Sound Jul 03 2009 by Gerold Mercadero Install Apache Solr Multicore for Drupal Jul 01 2009 by Gerold Mercadero My First Amazon EC2 Setup (CentOS AMI) Jun 29 2009 by Gerold Mercadero Moving Drupal / Civicrm Sites Jun 29 2009 by Gerold Mercadero Cacti and MySQL counters problem Jun 16 2009 by Pim Van der Wal Tracing memory leaks with pidstat Jun 16 2009 by Max Veprinsky New Debian apt keys Jun 11 2009 by Max Veprinsky HowTo: Get started with Amazon EC2 api tools Jun 02 2009 by Marius Ducea Moving Magento Sites May 29 2009 by Gerold Mercadero nginx rewrite to index May 27 2009 by Max Veprinsky When Open Source kills May 27 2009 by Max Veprinsky Red Hat Enterprise Linux 4.8 released May 26 2009 by Marius Ducea Hidden Wordpress Spam: May 22 2009 by Gerold Mercadero Install GNUPG PHP extension in Cpanel May 21 2009 by Gerold Mercadero Google’s Cheeseburgers May 19 2009 by Max Veprinsky rhel/centos x86_64 and i386 packages mess… May 19 2009 by Marius Ducea Setup Nagios User to View Specific Host and Services May 14 2009 by Gerold Mercadero umask ‘ing apache under cPanel May 14 2009 by Max Veprinsky us-to-invade-asia-over-google-traffic-snafoo May 14 2009 by Andrew Kucharski HowTo delete all emails from the postfix queue May 13 2009 by Marius Ducea Sys Admin Beer Money - Free Software Foundation Ads May 12 2009 by Andrew Kucharski Install ImageMagick and Imagick on Cpanel Server May 12 2009 by Gerold Mercadero AdBard comes back to life May 11 2009 by Andrew Kucharski CSF Not Detecting POP3 Login Failures May 07 2009 by Gerold Mercadero dv camera + computer + vlan + dvgrab = cheap video surveillance May 06 2009 by Max Veprinsky Swine Flue, or H1N1 Apr 30 2009 by Andrew Kucharski The Great Cloud Shootout at MySQL conference Apr 30 2009 by Andrew Kucharski Acrobat Reader Javascript exploit hits Linux Apr 28 2009 by Max Veprinsky LSI aquires 3ware® from AMCC Apr 24 2009 by Max Veprinsky Monitoring Drupal Sites With Nagios Apr 23 2009 by Gerold Mercadero Hawaii comes to our datecenter. Apr 21 2009 by Max Veprinsky MySQL Query Cache, Good or Bad? Apr 21 2009 by Pim Van der Wal Toughest MySQL CEO email “ever had to write”. Apr 21 2009 by Andrew Kucharski Mysql Alternatives Apr 20 2009 by Max Veprinsky Sun dumps IBM for a better offer from Oracle - what will happen to MySQL? Apr 20 2009 by Andrew Kucharski CentOS 5.3 released Apr 13 2009 by Max Veprinsky Videos of Google Data Centers and presentation video from the Google Efficent Data Center Summit Apr 10 2009 by Andrew Kucharski HP ILO remote managment online configuration PART 1 Apr 07 2009 by Max Veprinsky Linux devices at CTIA Apr 05 2009 by Andrew Kucharski Change Hostname of Cpanel Server Apr 05 2009 by Gerold Mercadero Drupal HowTo: Duplicate / Copy Drupal Site Apr 03 2009 by Gerold Mercadero Big Brother can pull the plug Apr 02 2009 by Max Veprinsky Scanning for Conficker with Nmap Mar 31 2009 by Max Veprinsky Rush to stake a claim in the cloud Mar 30 2009 by Andrew Kucharski Adding Custom Mantis Bug Status Mar 24 2009 by Gerold Mercadero Remove passphrase from private key Mar 23 2009 by Gerold Mercadero HEUR:Trojan.Script.Iframe Mar 22 2009 by Gerold Mercadero ASA allow passive ftp traffic Mar 17 2009 by Max Veprinsky ffmpeg new major release Mar 10 2009 by Andrew Kucharski Running ASDM client from your Linux desktop Mar 10 2009 by Max Veprinsky Force url to use SSL/https Mar 09 2009 by Gerold Mercadero Drupal performance tips from DrupalCon Mar 05 2009 by Andrew Kucharski Apache Solr drupal integration Mar 04 2009 by Andrew Kucharski Free trial of cloud computing Mar 03 2009 by Pim Van der Wal Even the clouds come down to earth - cloud services crash just like everyone else sometimes Feb 24 2009 by Andrew Kucharski Ubuntu 9.10 “Karmic Koala” will use Eucalyptus for your own cloud computing solution Feb 24 2009 by Marius Ducea Nagios: How to check if remote process is running Feb 24 2009 by Gerold Mercadero Best definition of cloud computing - to date Feb 23 2009 by Andrew Kucharski Cloud Computing Chart Feb 19 2009 by Marius Ducea Cloud computing scenario’s for database servers Feb 17 2009 by Pim Van der Wal Cisco ASA 5505: Active/Standby Failover Configuration Feb 17 2009 by Marius Ducea HowTo recover from a corrupt rpm database Feb 10 2009 by Marius Ducea Upgrade to Java SE 6 update 12 on Fedora 10 Feb 09 2009 by Max Veprinsky Extending the slow query log Feb 04 2009 by Pim Van der Wal Cisco ASA 5505 ASDM error: Unconnected Sockets Not Implemented Feb 03 2009 by Marius Ducea AdBard - dont die! Feb 02 2009 by Andrew Kucharski Web site slow? To improve performance - Sys Admins may be of little help - call the designer Jan 30 2009 by Andrew Kucharski Enforce SSL for Google Services Jan 27 2009 by Max Veprinsky Google cutting back on Apps services. Jan 27 2009 by Max Veprinsky xvidencopts is not an MEncoder option Jan 27 2009 by Gerold Mercadero What phone does a sys admin need? Jan 27 2009 by Pim Van der Wal HowTo upgrade ASDM using CLI on Cisco ASA5500 Jan 27 2009 by Marius Ducea 5 most popular linux blog posts on linux system admin blog Jan 27 2009 by Andrew Kucharski nginx proxy loadbalacing Jan 23 2009 by Max Veprinsky Red Hat Enterprise Linux 5.3 Released Jan 21 2009 by Andrew Kucharski Largest Security Breach Ever - Jan 21 2009 by Andrew Kucharski Mysql Error 1153: Got a packet bigger than ‘max_allowed_packet’ bytes Jan 14 2009 by Gerold Mercadero Compile Mplayer/Mencoder with Xvid and H264 codec support Jan 14 2009 by Gerold Mercadero At vendor’s mercy Jan 13 2009 by Max Veprinsky FLVTool2 not injecting metadata (video length) Jan 06 2009 by Gerold Mercadero Beer Money and Open Source Ad Network Jan 06 2009 by Andrew Kucharski Monitoring a Java application from Nagios Jan 05 2009 by Pim Van der Wal 2008 HowTO change the timezone on RHEL/CentOS Dec 16 2008 by Marius Ducea MySQL query optimization for network throughput Dec 10 2008 by Pim Van der Wal vsftpd logging timestamp Dec 09 2008 by Marius Ducea Why is there a system change freeze - especially on black monday and black friday? Dec 03 2008 by Andrew Kucharski How to check if your DNS server implements source port randomization Dec 02 2008 by Marius Ducea Black Monday Dec 01 2008 by Andrew Kucharski Cpanel: Adding custom configuration to httpd.conf Nov 25 2008 by Gerold Mercadero Upgrading to Trac 0.11 Nov 25 2008 by Marius Ducea Denial of Service Attack and the Defense-in-Depth Layer Nov 20 2008 by Rachel Jaro Server and backup woes Nov 17 2008 by Pim Van der Wal Can your ISP stop a 40 Gigabit DDoS Attack? Nov 12 2008 by Andrew Kucharski Denial of Service (DoS) attacks becoming more common Nov 10 2008 by Andrew Kucharski Homegrown MySQL monitoring Oct 23 2008 by Pim Van der Wal USB Mass Storage Buffer I/O error Oct 22 2008 by Max Veprinsky anti-virus software alone not enough Oct 20 2008 by Max Veprinsky ZendOptimizer Installation on Linux Server with IonCube Oct 15 2008 by Gerold Mercadero PCI DSS compliance for dummies Oct 14 2008 by Pim Van der Wal MySQL replication problems Oct 09 2008 by Pim Van der Wal Calculating Videos on site to Bandwidth or Aggregate Transfer to cost of video played Oct 06 2008 by Andrew Kucharski run-parts not running all the scripts in /etc/cron.daily Sep 18 2008 by Pim Van der Wal Nagios Plugin: check_hparray Error Sep 11 2008 by Gerold Mercadero When MySQL starts counting sheep Sep 04 2008 by Pim Van der Wal Enabling and using the slow query log in MySQL Aug 26 2008 by Pim Van der Wal Tomcat failure after Apache rebuild in CPanel Aug 25 2008 by Marius Ducea speedcabling - System Admin Olympics Aug 07 2008 by Andrew Kucharski Drupal filebrowser configuration issue Aug 05 2008 by Gerold Mercadero Virtual desktop in Gnome 2.22 / Fedora Core 9 Jul 29 2008 by Max Veprinsky Happy Sysadmin Day! Jul 25 2008 by Marius Ducea Changing the MySQL replication master host Jul 24 2008 by Pim Van der Wal Apache won’t start due to error #965 Jul 07 2008 by Max Veprinsky Account list missing from WHM Jul 07 2008 by Max Veprinsky The Website is Down Jul 04 2008 by Marius Ducea MySQL error 1449 “There is no ‘username’@’host’ registered” Jun 27 2008 by Pim Van der Wal CentOS 5.2 Upgrade Jun 25 2008 by Marius Ducea Implementing AES encryption in the front-end Jun 20 2008 by Pim Van der Wal Install ffmpeg ffmpeg-php and Audio Binaries on CentOS / RHEL System with Cpanel Jun 18 2008 by Gerold Mercadero Installing PHP Mcrypt module via dynamic module Jun 14 2008 by Marius Ducea Utilizing google apps email as a web host - sign of strenght or weakness? Jun 13 2008 by Andrew Kucharski Amazon Down Time slashdoted Jun 12 2008 by Andrew Kucharski Install Subversion on CentOS with Cpanel Jun 04 2008 by Gerold Mercadero Install Wordpress with Subversion Jun 04 2008 by Gerold Mercadero
YUM: There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them. Apr 30 2012 by Gerold Mercadero
WordPress 3 Error: Briefly unavailable for scheduled maintenance. Check back in a minute. Oct 16 2010 by Gerold Mercadero
Joomla site error: “mark( ‘afterLoad’ ) : null; /** * CREATE THE APPLICATION…” May 19 2010 by Gerold Mercadero
Google will use site performance and page load speed in SERP ranking - sysadmin SEO here we come Apr 13 2010 by Andrew Kucharski
Black Friday - 404, Site not available, and others from your favorite sites Nov 25 2009 by Andrew Kucharski
Apple sold 3.1 million Macs in the last three months, 17% more than a year ago Oct 21 2009 by Andrew Kucharski
hpacucli: error while loading shared libraries: libstdc++-libc6.2-2.so.3 Sep 14 2009 by Gerold Mercadero
Sun dumps IBM for a better offer from Oracle - what will happen to MySQL? Apr 20 2009 by Andrew Kucharski
Videos of Google Data Centers and presentation video from the Google Efficent Data Center Summit Apr 10 2009 by Andrew Kucharski
Even the clouds come down to earth - cloud services crash just like everyone else sometimes Feb 24 2009 by Andrew Kucharski
Ubuntu 9.10 “Karmic Koala” will use Eucalyptus for your own cloud computing solution Feb 24 2009 by Marius Ducea
Web site slow? To improve performance - Sys Admins may be of little help - call the designer Jan 30 2009 by Andrew Kucharski
Mysql Error 1153: Got a packet bigger than ‘max_allowed_packet’ bytes Jan 14 2009 by Gerold Mercadero
Why is there a system change freeze - especially on black monday and black friday? Dec 03 2008 by Andrew Kucharski
Calculating Videos on site to Bandwidth or Aggregate Transfer to cost of video played Oct 06 2008 by Andrew Kucharski
Install ffmpeg ffmpeg-php and Audio Binaries on CentOS / RHEL System with Cpanel Jun 18 2008 by Gerold Mercadero
Utilizing google apps email as a web host - sign of strenght or weakness? Jun 13 2008 by Andrew Kucharski