With the following command you can backup data from a Linux server to a Synology NAS: The parameters have the following meaning: <backup user>: User on NAS with permissions to use rsync to the target share <synology host>: Hostname /
SSL Certificate Expiration Checking
We just had an issue with an expired SSL certificate. Although the customer had a monitoring system in place, this system failed to inform the administrators of the upcoming certificate expiration which the leads to a system downtime this morning.
ICMP redirects no longer working
I do have a test LAN with its own IP range and I want to reach that test LAN from my productive LAN. For that, I have a software router based on pfSense, which has one virtual network interface in
Debian Jessie: Upgrade BIND9 to newer version
I wanted to update BIND9 on my Debain Jessie Linux system to a newer version than the currently packaged version 9.9. Here are the steps to upgrade it to version 9.11:
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cd /usr/local/src wget ftp://ftp.isc.org/isc/bind9/9.11.0/bind-9.11.0.tar.gz tar zxvf bind-9.11.0.tar.gz rm bind-9.11.0.tar.gz cd bind-9.11.0/ ./configure make make install |
This will install the new version of BIND9
Technical Changes Behind the Scene …
Long time ago since I posted something here. The reason for that is, that I did some massive technical changes in the background. First, all my stuff is now running on a plain Linux virtual server (based on Debian Jessie)
IBM HTTP Server: Better logrotate for HTTP server logs in Linux
To rotate your IBM HTTP Server logs (or Apache HTTP server logs) on a daily (or whatever) basis, you normally are using something like
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CommonLog "|/opt/IBM/HTTPServer/bin/rotatelog -l /opt/IBM/HTTPServer/log/access_log.%Y.%m.%d 5M" common |
The disadvantage of that is, that the current log file name changes every day. So if you have e.g.
IBM Websphere: Use arrow key with wsadmin in Linux
Other than in Windows you cannot use the arrow keys to correct a command line of recall your last command with IBM Websphere wsadmin command line in Linux. In order t get that working you need a little tool called
Asus AICharger replacement for Linux
Some time ago I described how to get more power to your USB ports on your Asus mainboard (e.g. to charge your iPad). Unfortunatley this Asus AICharger tool is only available for Windows. However there is a solution for Linux
Error messages during upgrade of Virtualbox on Ubuntu
As I upgraded to version 4.1.8 of Virtualbox on my Ubuntu host system today I got some strange error messages. Although Virtualbox still seems to work fine afterwards I tried to solve these issues as these messages appeared now for
IBM Connections 3.0.1.1 update to CR1
Although it is also documented in the IBM Connections wiki here it is a short summary of the commands for Linux which might be useful. Although it describes the update to IBM COnnections 3.0.1.1 CR1 it can be used for other fixes/fixpack