rt-server.fcgi incomplete headers
Check your apache error log file in my case error_log. after checking the error log file i saw this : “File::Temp version 0.18 required–this is only version 0.16” So I had to install : cpan … Read more
Category : System Administration
Reload Linux Profile (RedHat Family) without Logging Out
You have just added some paths to your Java CLASSPATH environment variables and you want to be able to test your software without logging out of your shell. Here is the command to reload your … Read more
How much memory is Linux really using?
An htop on my system reveals this: htop So you would think that I am using about 4 gigs of Memory. The “Mem” line is misleading so please do not use that. instead use the … Read more
Sendmail: delete all emails for a user from the command line
cat /dev/null > /var/mail/MAILBOX_YOU_WANT_TO_CLEAR for example for user root you would use something like: cat /dev/null > /var/mail/root
Largest Files and Folders Linux
Top 20 Largest folders in a directory in Linux. du -shx * | sort -hr | head -n 20 Find All files larger than 50 megs in the entire system: find / -type f -size … Read more