debian GNU/Linux, and open source in general, earn my living on a daily basis. most bizzare combination of tools with just minimum network hardware saved my bottom many times. on the list of most appreciated software besides obvious parts like kernel with its networking code, openssh, apache, php and so on i have to put: ... Read More
at work: how one can screw up heartbeat cluster?
friday afternoon. i managed to escape from work at ~5.3o pm. could ‘ve been worse. went home and hunted for my customers. it’s a strategical moment… either i can be buried in work for next one week, be work-less and sentenced to spend weekend not doing anything or – as in this case – gather ... Read More
…untill i signed for more permanent contract in sweeden, at gothenburg. now i’ll [probably] got stuck here for a while – a year or two. about my current job i can tell exactly the same as about other current and previous: interesting, with great atmosphere and nice people, well paid [select one or two in ... Read More
you have your linux box… and you dont remember root password. it happens all the time, doesnt it? you can change the password if you have direct access to computer’s console and there is no additional protection on boot-loader level. you just need to provide additional parameters to the kernel: single init=/bin/bash to do so ... Read More
purpose: utilize simultaneously symmetric and asymmetric internet connections on linux router to achieve cost efficient way of providing internet access for few dozens of users. why? symmetric connections to internet still tend to be overpriced, poland is no exception. small ISPs providing internet access for 100 or 200 users usually cannot afford pipes fat enough ... Read More
some of my old notes i’ve prepared back in 2005 for network lab i supervised [ in polish… ]