Tom's Blog
Tom's Blog
Tom
DevOps blog about Linux configuration, Containerization, Automation, Security and from time to time Leadership.
Latest Posts
To najlepszy przepis na chrusty jaki znam - wychodzą bardzo kruche i delikatne. Składniki 4 zółtka, 4 łyżki wina białego lub czerwonego, 4 łyżki mąki. Sposób przygotowania Wszystkie składniki wymieszać i wyrobić. Ciasto powinno być mniej...
I had quite simple task - compare two lists of hosts and check if hosts from first one are also on the second one. I started with diff: diff -u biglist.txt hosts_to_check.txt | grep -E "^\+" It was fine but output needs some filtering to...
I was thinking about allowing access to my website using SPDY protocol for better performance and security (and for fun of course 😃 ). But SPDY have one disadvantage - you need SSL certificate signed by known authority that will verfiy...
Learn how to change the default WSUS port from 8530 to 80 on Windows Server 2012, ensuring compatibility with older configurations and resolving IPv6-only issues.
After reading some good opinions about MariaDB I wanted to give it a try. Upgrade looks quite straight forward but I found some issues a little tricky. Installation Add repo and key: cat > /etc/apt/sources.list <<SRC deb...
I’ve been using different code editors for different purposes. Gedit was fine for small scripts but not for bigger projects. It lacks intelligent code completion (function/class names, etc.). I was searching for convenient editor for...
After connecting few computers with Windows 8.1 to domain we found that these computers are not recognized or recognized as Windows 6.3 (which is true) on WSUS 3.0 running on Windows Server 2008. The bad thing was that they can’t...
I love Shotwell external link for it’s simplicity and easy export to Piwigo external link . After Christmas I added new photos to my library but after that I made some modifications to them (red eye reduction, etc…). Because Shotwell...
Few days ago I’ve read a book ‘Even Faster Web Sites‘ about websites optimisation and I found one thing usefuluseful, not only on websites. There was a small tip about looploop unlooping. I want to quote them for later use. First - with...
Some time ago I write article about tracking nicknames of users (from comments) on a WordPress blog with Piwik . This time I’m doing same but for Google Analytics. I’m using Google Analytics external link plugin for WordPress so I’ve...
Some time ago I’ve show how to precompress js and css file with gzip to be available for Nginx’s mod_gzip. In default configuration Apache don’t have such module but similar functionality could be achieved with few custom rewirtes....
I’m happy owner of Galaxy Nexus 7 and lately I updated my tablet to Android 4.4 Kitkat. One of features I most expected was ability to block some permissions of some applications. Such setting was available in 4.4 version but was removed...
After the last NSA scandal I’ve found some time to read some texts about PFS and ECDSA keys lately. I always used RSA keys but wanted to give a try to ECDSA so I wanted to give it a try (test performance, etc). Here is how I’ve done it....
Lately I tried to remove some streams from MKV file - I wanted: video, audio in my language and no subtitles. I achieved it with mkvtoolnix utils. Firstly I have to identify streams in file: $ mkvmerge -i input_file.mkv File 'test.mkv':...
Some time ago I prepared a PC that was responsible for batch encoding of movies to formats suitable for web players (such as. Video.js external link , JW Player external link , Flowplayer external link , etc.)