Today I ran into a still open bug of ISPConfig (ISPConfig 3.1.3 under Debian Jessie). The problem occurred, when I tried to clone a BitBucket repository with a non root SSH-user in his own website root (where permission rights generally should be no problem). Hence I wanted to use key-based authentication for BitBucket, I generated […]
Recently I had to setup DDNS for my parents DS212+ DiskStation from Synology. I have an all-inkl.com hosting package including a dynamic DNS feature (DDNS under tools): The problem was to get the right settings for the Synology box. Solution for the DDNS problem I found the solution in this blog article: http://www.pflipsen.net/2015/12/21/all-inkl-com-ddns-auf-der-synology-diskstation-einrichten/ I saved […]
Recently I tried to remove a big bunch of files from one of my raspberry pies where ffmpeg had swamped my SD-card with too many capture images. So I had to delete x files from folder. I just tried: rm -rf *.jpg But that gave me an “unable to execute /bin/rm: Argument list too long” […]
Today I had the challenge to find a way to download a backup from my hosting root server via FTP directly to my Synology DS212+. Here is how I got it done with the given toolset of the Synology DSM 6.1.1-15101. (How to mount FTP on Synology Boxes) Oben Synology Backend and open the File Station […]
Today I wanted to setup monit behind Apache proxy on my webserver, which runs ISPConfig (https://www.ispconfig.org/) under Debian. Monit is a OpenSource monitoring tool for Linux (see https://mmonit.com/monit/). Requirements I had the following requirements on the solution: monit should only be accessible from the server itself (localhost) monit should run under a special SSL-secured URL (not IP:PORT as […]
From time to time I stumbled over the case, that I had to drop all tables from a MySQL database. In phpMyAdmin or other GUI-based tools – in general – you only have the possibility to drop the whole database. But then you have to recreate it from the scratch.  Or you have to click-drop each table […]
Today a colleague of mine wanted to export a single folder from a git repository to a tar.gz archive. This is how to export git subfolder to archive: git archive –remote=’git@bitbucket.org:sheldon/ask-sheldon.com.git’ master path/to/file/or/folder/in/repo –format=tar.gz > archived_folder.tar.gz With this snippet the git repository folder path/to/file/or/folder/in/repo is exported to the archive file archived_folder.tar.gz. The archive will be cleared of all […]
To rename multiple files in the current folder, you can use the following command: $> # rename: $> for f in Sheldon_*.xml; do mv -n “$f” “${f}_bkp”; done $> # rename it back again: $> for f in Sheldon_*.xml_bkp; do mv -n “$f” “${f/_bkp}”; done In this case, I had a bunch of files that […]
Today I had to reset Google Authenticator two step authentication for Synology Diskstation. I realised, that I wasn’t able to login into my Synology DS 212+ anymore. The problem was, that my mobile phone had crashed before a view months and I had configured the Synology NAS to use the Google Authenticator  for a two step […]
Today I had the challenge, that I wanted to copy a DVD and  play it with the VLC media player (http://www.videolan.org/vlc/index.html). Therefore I had to learn how to mount iso file(s) under Linux. In my case it was Ubuntu 16.04.1. (see also my article about how to get your Linux distribution and version). How to […]
