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Simple Squid Proxy Check
Squid outage fail-over If you run wccp through a Cisco router and your Squid Cache falls over the router will fail over to serving pages directly. Seamless fail-over is good but So you may never notice that your Squid proxy has stopped responding. So you lose the...
wxPerl – Getting which button has been clicked
I've been using wxGlade to create wxPerl interfaces. This is a sample of how to get one subroutine to handle multiple keys. Clicking any key allows the subroutine to return the label text of which key has been pressed. Pressing a key will give a Wx::MessageBox I...
Cause of QCAD QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Permission denied
I was experimenting with restricting multi-user linux boxes. A few days later trying to run QCAD with the above security settings threw this error: QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Permission denied QCAD froze. I had to go back to...
squid.conf to allow purging
Update: I kept getting ACCESS_DENIED and ">Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect. ERR_ACCESS_DENIED" I added cache_mgr [email protected]...
99% and 99.9% uptime are a long way apart
If I was supplying you IT services and I said to you. "Your system will be available 99% of the time!" You may be tempted to think. Wow 99% is great. But lets do the maths. 361.4 / 365 x 100 = 99.0% So despite being up for 361.4 days a year you can have a 3 days and...
Hide your Squid Proxy’s internal hostname
I recently went to http://whatismyipaddress.com and And under the front page under "Proxy Server Detected!" I saw the internal hostname of my squid proxy. Which may or may not be a security problem (giving away an internal domain name and hostname). So inside...