It sounds a bit cheesy but I can’t find any usable solution on how to encrypt Linux/Unix shell script in order to protect it’s source code when it’s still executable. There was a post here about how to protect shell scripts, but I found SHC… Read More »Can’t find usable shell script encryption solution…
The easiest way to feed spamassassin with spam is:
spamassassin -r < message.txt
This step-by-step manual provides instructions on how to install freely available VMWare Server at Ubuntu Feisty Fawn Linux (7.04). First of all download installation package here and get free serial code. To get VMWare Server working at Ubuntu 7.04 I recommend to download this patch.… Read More »Vmware Server at Ubuntu Feisty 7.04
Here is one more way to find out how many CPUs are used by Linux: cat /proc/cpuinfo | grep “^vendor_id” | wc -l As for me I use this way to make sure that SMP kernel should be installed. You’re welcome to suggest your ways… Read More »One more way to count CPUs in Linux
Sometimes it happens that it’s necessary to install Fedora Core onto server you have not physical access to and there is to luck to find any person who can do it for you there. Some other distributions like Debian provides remote ssh installation while Fedora… Read More »Fedora Core remote installation howto
If it’s necessary for you to debug HTTP server (to find a reason of some problem) and would like to watch HTTP headers, please use Firefox addon:
When you run your perl scripts in browser you would get “500 Internal Server Error” when something goes wrong. There would be several reasons of this but one thing to be done is to check if your perl script contains errors. To do it login… Read More »CGI Perl scripts debugging (solve 500 Internal Server Error)
Here is a shell script example that can be run by cron for automatic killing of “zombie” processes in Linux system: zombies.sh
In order to change shell for a particular user of Unix/Linux system without editing /etc/passwd file manually just use command: chsh -s /path/to/shell username for example, to change shell to ‘sh’ from ‘bash’ for user ‘viper’, use command: chsh -s /bin/sh viper
I usually encrypt files with GPG with symmetric algorithms when I have to transmit files over insecure channel: for example I encrypt backup files stored at my USB stick and I’m sure that if it’s stolen or lost my files are in safety. Encryption without… Read More »Encryption files with GPG without user intervention (batch)
