Life can be so beautiful, if you have a wide vision.
So you created a virtual machine… And after a month you notice that you run low on disk space… If you have disk space left on your host machine you can grow the disk and then let the running guest OS resize it to the new given size. This action requires VirtualBox to be installed. […]
In Mac OS X El Capitan, Apple added SIP (System Integrity Protection), previously referred to as rootless mode in the beta releases. SIP is essentially just a block on editing the /System, /sbin, and /usr directories (with the exception of the /usr/local subdirectory). It is recommend keeping SIP enabled whenever possible, so enable it again after you have finished making changes, unless an application […]
Default for most accounts I create I use SSH keys, therefore I do not want accounts to have a password set. Instead of leaving the password blank it is better to disable logging in using a password. This can be done with the following command:
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pw mod user "$USERNAME" -w no |
You can check the result with vipw For example, […]
When sending newsletters or mails from a webshop or any other automated service, you want to be sure that your mail has a good chance of being received correctly at the recipient. You don’t want your email to be marked as spam or even worse being trashed due high spam probability. To test this, […]
This tutorial explains how to rewrite urls having a trailing slash to an url without the trailing slash. Apache Using Apache we have two options, set the rewrites in a .htaccess (slower) file or in the vhost configuration. .htaccess Add the highlighted lines to your .htaccess file, keep in mind that the position is important. […]
ou might be happy to note that other than the ability to interpret new payloads, the profiles command mostly stays the same in Sierra. You can still export profiles from Apple Configurator or Profile Manager (or some of the 3rd party MDM tools). You can then install profiles by just opening them and installing. Once […]
When using HAProxy for loadbalancing it might become handy to control your active and inactive servers. In my case I wanted to control the loadbalancers with Ansible. For this example you need HAproxy, Ansible and the Ansible HAProxy module. First you have to enable the socket in HAProxy to be able to control anything. More info […]
When installing or upgrading PHP and crashing into this error that libz can not be found.
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checking bundled sqlite3 library... yes checking for ZLIB support... yes checking if the location of ZLIB install directory is defined... no configure: error: Cannot find libz READ THIS: https://git.io/brew-troubleshooting If reporting this issue please do so at (not Homebrew/brew): https://github.com/Homebrew/homebrew-php/issues |
You can try to trigger Xcode to install the command line developer tools.
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xcode-select --install |
Usually you can run into errors like this when freshly installed Xcode or upgraded Xcode lately. It is advised to start Xcode after installation […]
From public key file sha256 fingerprint (default) Displays the fingerprint of id_rsa.pub with the sha256 hash algorithm.
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ssh-keygen -E sha256 -lf id_rsa.pub |
md5 fingerprint Displays the fingerprint of id_rsa.pub with the md5 hash algorithm.
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ssh-keygen -E md5 -lf id_rsa.pub |
From SSH agent sha256 fingerprint (default) Displays the fingerprint of all known keys by SSH-Agent with the sha256 hash algorithm.
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ssh-add -l -E sha256 |
md5 fingerprint […]
Today it is quite normal to have your site secured by SSL, even search engines rank you higher if you do so. So I decided to go on with the hype and setup SSL too… After installing the SSL certificate on the webserver I noticed that WordPress needs some more attention to get things running […]
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