Linux

Amazon Linux 2 Image and LAMP

I recently migrated a LAMP server from Amazon Linux to an Amazon Linux 2 image.  Several reasons for why I needed this including it has systemd. More here: https://aws.amazon.com/amazon-linux-2/ High level steps around mysql database, wordpress and static html migration was pretty smooth as I have done this multiple times.…

Linux MSSQL Client

Quick note on connecting to a MSSQL database from Linux using tsql from FreeTDS. FreeTDS is a set of libraries for Unix and Linux that allows your programs to natively talk to Microsoft SQL Server and Sybase databases. Ref: https://tryolabs.com/blog/2012/06/25/connecting-sql-server-database-python-under-ubuntu/

SSH Connection Manager

I previously wrote a quick post on using a connection manager in Linux. Link here: Linux tabbed SSH connection manager I have used for the most part something called the Gnome Connection Manager. However it is poorly maintained and had a few small annoyances also. I revisited a utility called…

Migrating Ubuntu On a ZFS Root File System

I have written a couple articles about this here http://blog.ls-al.com/ubuntu-on-a-zfs-root-file-system-for-ubuntu-15-04/ and here http://blog.ls-al.com/ubuntu-on-a-zfs-root-file-system-for-ubuntu-14-04/ This is a quick update. After using virtualbox to export and import on a new machine my guest did not boot up all the way. I suspect I was just not seeing the message about manual/skip check…

Nagios on Linux for SPARC

Nagios on Linux for SPARC

I recently experimented a little with Linux for SPARC(more here https://oss.oracle.com/projects/linux-sparc/) and found it to be surprisingly stable. One of the environments I support is a pure OVM for SPARC environment and no luxury of Linux. So I am running some open source tools like Nagios, HAproxy etc on Solaris.…

Network Manager VPN Connections

I have documented previously that the Linux network manager can be used to connect to several different VPN gateways.  There are several network manager plugins available for the different VPN solutions.  The pptp plugin is used frequently but for newer Cisco gateways you should use the network-manager-openconnect-gnome plugin. You should use…