Charly's Column TUNNELING THE DUTCH BEACHESSep 30, 2006
What does Charly’s recent two-week vacation in Holland have in common with an SSH session? Nothing at all, at first sight. And therein lies a tale.more »
Perl: Link Spam A Perl script protects forums against spamSep 30, 2006
Spammers don’t just send email. They exploit discussion forums and blogs, posting pseudo-messages full of links to dupe search engines. A Perl script cleans up the mess.more »
Charly's Column The Sysadmin’s Daily Grind: HTTP Antivirus ProxyAug 31, 2006
Browsers live in continual danger of compromise by a malicious site. An intermediate proxy combined with a virus scanner can help.more »
Bot_Attack An insidious spam botnet attacks CharlyJul 31, 2006
While going about his normal duties, Linux Magazine author Charly Kühnast was hit with a mean attack. Charly’s separate anti-spam server, which sits in front of his mail server, saved him from the mail storm.more »
How to Write a Rootkit Rootkits for the Linux kernel 2.6Jul 31, 2006
Today’s rootkits infiltrate a target system at kernel level, thus escaping unwanted attention from administrators. Read on for a practical look at how a kernel rootkit really works.more »
Charly's Column The Sysadmin’s Daily Grind: PolicydJun 30, 2006
The Postfix Policyd plugin fights spam using techniques such as greylisting, source detection, volume measurements, blacklisting, and HELO rotation detection.more »
Both projects help organizations build their own containerized systems.
Mark Shuttleworth has resumed the position of CEO of Canonical.
Microsoft's open source code hosting platform CodePlex will come to an end after a more than 10-year stint.
Comes with Gnome 3.24
The bug was introduced back in 2009 and has been lurking around all this time.
The new release deprecates the sshd_config UsePrivilegeSeparation option.
Lives on as a community project
Five new systems join Dell XPS 13 Developer Edition that come with Ubuntu pre-installed.
The Skype Linux client now has almost the same capabilities that it enjoys on other platforms.
At CeBIT 2017, OpenStack Day will offer a wide range of lectures and discussions.