Sometimes we need to move website to new server, with new IP. In such cases the most problematic part is domain propagation period. In that period part of website users will hit the old server and part of website users will hit new server. The problem is when they will submit some data – if they were on old server then we will have inconsistent data between old and new server. Is there solution for this ?
Category Archives: Basics
Debug SMTP with curl
Sometimes there is need to debug SMTP connection and there is no telnet which is usually used for that. There is solution for this problem.
Show headers only when follow multiple redirects in curl
Sometimes its needed to figure out what redirects are done in background before we will see final page.
Different IP with ssh tunnel and proxy SOCKS
Sometimes you have to access website or FTP server with some different IP than you are getting from your internet provider. One way to accomplish that is to use ssh tunnel with proxy SOCKS.
Docker essentials
Add new rule to iptables firewall
Sometimes the server you manage can have iptables based firewall configured to protect access for ports. The firwall configuration done in file is only part of the changes. You need then to test the configuration and tell iptables to reload new config.
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Midnight Commander shortcuts in OSX
Midnight Commander is a great tool for day to day working with files in all linux based systems. To use all possibilities of MC fast without mouse or typing too much there is bunch of very good shortcuts. Try them out!
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OSX – maximize window with shortcut
One of the “must have” application for freshly installed OSX is Spectacle. Its a piece of software that allows you to easily control window behaviour with simple and customizable keyboard shortcuts.
Fast TYPO3 upgrade for small version
If you for some reason do not want to upgrade automaticaly then you can do it manually quite fast.
Attention – this recipe is only for upgrading for small version like 6.2.3 to 6.2.4. Continue reading