David Henegar

NODE.JS: sh: 1: node: Permission denied

Nginx: 413 Request Entity Too Large

Nginx HTTP basic auth – allowing IP or password-based access

MySQL: unattended Percona Server 5.7 installation

MySQL: split whole database dump into separate databases

MySQL: connecting to different ports on localhost

MySQL: changing ROW FORMAT to DYNAMIC or COMPRESSED

MySQL replication: adding a new database

Multiple shared IPs in WHM

Mongo: enabling user auth

Mdadm: stopping and starting RAID check in Linux

Java leap second bug – 30 June / 1 July 2012 – fix

IPv6: blocking incoming traffic with ip6tables

Iptables: LOG target not working in LXD containers

Hpacucli: Error: No controllers detected (with hpsa module in use)

GRE tunnel between two LXD hosts

Git clone: Problem with the SSL CA cert

Getting rid of “IPv6 addrconf: prefix with wrong length 56”

Generating DKIM key with OpenSSL

Generate SSL dhparam file with openssl

Ffmpeg video conversion command line examples

Enabling OpenVPN with systemctl

Enabling IPv6 on CentOS

Downgrading to PHP 5.3 on Debian Wheezy (7.0)

Disabling fan on Dell Precision 5520

Disable systemd listening on port 111

Disable / Enable Keyboard and Mouse in Linux

Decoding SSL certificates and signing requests with OpenSSL

Debian Lenny, /etc/apt/sources.list and error 404

Date conversion oneliners in bash

Bash: find and remove empty files and directories

AWS: IAM policy to allow EC2 volume snapshotting

Arcconf on Linux: examples

Apache: serving different robots.txt for SSL and non-SSL version of the website

Adding existing code to bitbucket

Accessing Windows console remotely from Linux

A quick SVN repository set up for your website

MySQL: Converting all tables in all databases from MyISAM to InnoDB

BackupPC - restoring backups from command line

AWS: listing your EC2 instances IP addresses from command line

Upgrading Redmine from 1.4.4 to 2.3.x on Debian Wheezy using deb packages

Unicast VXLAN: overlay network for multiple servers with dozens of containers

Static compilation of cpuminer

Sitemap.xml for Mailman

Setting up DKIMproxy with Exim for DKIM and DomainKeys signing

Secure rsync over SSH without shell access

Running Xen with LILO

Rooting Motorola Droid Razr xt910 from Linux

Renaming mongo shards

REL="nofollow" and Mailman

Protecting WordPress wp-admin / wp-login.php areas against dictionary attacks and DDoS

Postfix and multiple SSL certificates

MySQL: avoiding "Waiting for table metadata lock" when executing "ALTER TABLE"

Integrating Mailman with a Swish-e search engine

Installing Debian Squeeze on DELL PowerEdge R710 via DRAC

Executing local programs and scripts remotely

Diskless / remote boot with Open-iSCSI:Troubleshooting

Diskless / remote boot with Open-iSCSI:Downloads

Diskless / remote boot with Open-iSCSI

Cyrus IMAP server and multiple SSL certificates

Configuring multiseat X workstation

Configuring ISDN (dialin, dialout) from command line

Building ProFTPD with SFTP support on Debian Lenny

Using fault injection

The smallest Windows domain controller on Earth

Solving reliability and scalability problems with iSCSI, part 2

Solving reliability and scalability problems with iSCSI

Software RAID in Linux - overview

Serious security flaw in WHM/cPanel – symlinks and .htaccess can be evil

DRDB and link compression

CPUfreq and dm-crypt performance problems

Country codes for SSL certificates