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I'm newbie on UNIX/LINUX. My postfix log file is at /var/log/maillog, yesterday i emptying the file using "1,$d" command and then ":wq!" from vi because the content to big for me to read, but then every postfix interactions does not logged into that file. I try to remove that file and create it again with no luck. Anyone can help me to solve this problem? Thank you. Best regards. |
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If you delete a file that some process has a file handle to (which is what it uses to write to a file) but don't restart the process that is doing the writing then it will continue writing to the old file. This is a common mistake that new unix admins make-- they may try to reclaim disk space by deleting a very large log file, not realizing that the space isn't actually available until the file is no longer open. What I suspect happened (overnight) is that your syslog process was HUP'd by a cronjob, causing it to close all files and reopen them. In the future, a safer way to truncate a log file that you truly don't care about is to do this: > /var/log/that_logfile |
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rm -rf /var/log/maillog; touch /var/log/maillogas root to recreate it empty or if u dont want to erase the current file:mv /var/log/maillog /var/log/maillog.1; touch /var/log/maillog– Prix Sep 12 '10 at 3:16