Apparently Rackspace has a serious downtime on 22 December 2014 – its website is down.
Status website for rackspace, https://status.rackspace.com/, is also down.
Rackspace’s DNS servers are down, too, meaning, people who host their DNS with Rackspace are also affected.
According to Rackspace, they are under DDoS attack.
Mongo has mostly excellent documentation, yet sometimes it may not be obvious how to do some less-used configuration changes. One of these is a way to rename mongo shards.
Continue reading ‘Renaming mongo shards’ »
Recently, I was looking for an IMAP client for Android. I’ve read some reviews of CloudMagic – Email App and I though I’ll give it a try. To my surprise, it appears to be stealing credentials.
Continue reading ‘Be aware of CloudMagic – Email App – it “steals” your password’ »
If you’re a Debian Wheezy (7.x) user, you’re stuck to use Apache 2.2.x. Apache 2.4.x packages are available in the upcoming Debian Jessie (8.x), now in testing, however it’s not possible to install them on Wheezy.
If you need to use some of the features present only in Apache 2.4.x, it’s easy enough to build deb packages yourself.
For those who just want to download pre-built packages, you can get them from here: https://www.virtall.com/files/debian/wheezy/
Below, building instructions.
Continue reading ‘Building Apache 2.4.x deb packages for Debian Wheezy (7.x)’ »
Tonight, I’ve noticed rather lengthy break-in attempt from one of IPs owned by Microsoft. According to whois, 126.96.36.199 is owned by Microsoft Brasil – Microsoft Informatica Ltda., Brazilian subsidiary of multinational Microsoft.
The attack is ongoing, and it’s just a small part of the log. What the hell are they looking for?
Continue reading ‘Why is Microsoft trying to break into one of my servers?’ »
Bitbucket has a bit imprecise documentation about pushing an existing code to their repo. If you have an existing directory without git control, and would like to push it to bitbucket, you may get the following error:
No refs in common and none specified; doing nothing.
Perhaps you should specify a branch such as 'master'.
Here is how to solve it.
Continue reading ‘Adding existing code to bitbucket’ »
Here are some quick notes on how to change the timezone on CentOS, RedHat, Debian, Ubuntu and similar Linux systems.
Continue reading ‘Changing timezone manually on CentOS / Debian’ »
Very often, you don’t want the SSL (https://) version of your websites to be crawled by the robots.
Here is how to achieve it under Apache and nginx.
Continue reading ‘Apache and nginx: serving different robots.txt for SSL and non-SSL version of the website’ »
WHM/cPanel is one of the most successful web hosting control panel. Especially popular among shared hostings, it came to me as a surprise that it lets you read files which belong to other users, including those containing database credentials (like, the whole contents wp-config.php belonging to other user’s WordPress installation, or configuration.php, being yet another user’s Joomla config file).
Continue reading ‘Serious security flaw in WHM/cPanel – symlinks and .htaccess can be evil’ »