Monthly Archives: October 2012

Squid log error

If your squid proxy stops working, and size of the logs is not critical (see my older posts, 2G is the limit), and you have something like this in your /var/log/messages : Oct 10 10:41:43 proksi squid[7051]: Squid Parent: child … Continue reading

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Error in dovecot.log

If you get a error in /var/log/dovecot.log that looks something like this (but Dovecot is still working): Jun 05 15:34:50 imap(user1): Error: chown(/home/user1/mail/.imap/INBOX, -1, 12(mail)) failed: Operation not permitted (egid=503(user1), group based on /var/spool/mail/user1) Jun 05 15:34:50 imap(user1): Error: mkdir(/home/user1/mail/.imap/INBOX) … Continue reading

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Linux commands, part 7

How to copy/move a large number of files from one folder to another, since Linux kernel has a inbuilt limit for commands such as “mv”, “cp”, “rm”… Example : # mv -f * /folder1/folder2/ bash: /bin/mv: Argument list too long … Continue reading

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RoundCube webmail

A very good webmail client, with multiple possibilities. It can be set up with a autoreply option (vacation)! Installation : Where can you get it : link. Untar the package in a convinient place (#tar xfvz roundcubemail-xx.tar.gz) and the whole … Continue reading

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Webmail for Sendmail

There are different webmails that can be used with Sendmail MTA (or Postfix), but my favourite is SquirrelMail (see older posts). Now I will try RoundCube (here). The best thing is that both can be used on the same server! … Continue reading

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ClamAV error in maillog

If you get such a error in /var/log/maillog file (which you should parse regularly) : Sep 30 03:13:06 mail-server update.virus.scanners: Running autoupdate for clamav Sep 30 03:13:06 mail-server ClamAV-autoupdate[10787]: ClamAV updater /usr/local/bin/freshclam cannot be run It means that MailScanner is … Continue reading

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Kuglof with bananas

A very fine kuglof cake! Dough : 3 whole eggs 1 backing powder 2 vanilla sugar 2 bananas cinnamon 100gr raisins 150gr margarine (or butter…) 2dl milk 2 soup spoons of honey sugar per taste (taste dough, and see if … Continue reading

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Encryption for Sendmail

Why do this at all? Mostly because users wish to connect to mail server with mobile devices (phones and tablets), and see mail as it is on the PCs… Necessary start conditions : functioning mail server (in my case RHEL … Continue reading

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Linux server cloning

These days I am having a problem, I need to make a clone of a whole Linux server, because it is, at the moment, perfectly configured, and I need to add some other stuff, and if that goes wrong, I … Continue reading

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Rsyslog server

If you need a very quick solution for a syslog server, and as OS have Red Hat or Fedora, you have a rsyslog server coming with the OS, so you can use this instead of the syslog-ng server (which is … Continue reading

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