SysAdmin | sys·ad·min | noun - A system administrator. The duties of a system administrator are wide-ranging, and vary widely from one organization to another. Sysadmins are usually charged with installing, supporting, and maintaining servers or other computer systems, and planning for and responding to service outages and other problems.

Sysadmin Blog General (2) Notes-to-self (4) Case studies (2)

Adding an SSH private key to an encrypted data bag

May 13, 2015 | Notes-to-self |Comments (1629)
Adding an SSH private key to an encrypted data bag

...and we're back!

Nov 11, 2014 | General |Comments (908)
Available once again to provide SysAdmin, DevOps and IT consultancy.

No updates available on CentOS 6?

Dec 1, 2011 | Notes-to-self |Comments (854)
yum update saying no updates available? You may need to enable the "continuous release" repository.

RPM Rollbacks

Nov 24, 2011 | Notes-to-self |Comments (3249)
How to enable RPM rollbacks on Redhat based systems.

PCI compliance on a Plesk Server

Nov 19, 2011 | Case studies |Comments (3784)
Updating OpenSSH and Apache, removing SSLv2 and weak ciphers from Apache2 and Lighttpd, and       blocking unencrypted logins using IPTables.

Untangling Multiple Mailserver Issues

Nov 16, 2011 | Case studies |Comments (792)
SPF records, a looping headache, changing the from: address, removing sendmail and fixing postfix.

SSH keys

Nov 3, 2011 | Notes-to-self |Comments (366)
How to create and install RSA keys to allow login over SSH without a password on Linux

Hello World

Nov 3, 2011 | General |Comments (594)
First blog entry