There are times that you encounter problems executing PERL scripts which failed for example this one:
Possible unintended interpolation of @23mxxxx in string at
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A postfix error that occurs when a user's mailbox is full.
Regularly caused by cronjob output, particularly when there are systematic errors in the cron job that lead to long and frequent email report
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There are times that you need to immediately check if there are run-away cron entries hidden somewhere. This terminal command will save you time doing just that.
for user in $(cut -f1 -d: /etc/pass
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To fix this issue do the following:
1. modprobe ip_conntrack
2. lsmod |grep conn -- if you see entries it means modules have been loaded correctly
3. sysctl -w -- to write the changes you made under
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Here is a one liner quick check to Ipv6 your system.
At the command prompt:
[ -f /proc/net/if_inet6 ] && echo 'IPv6 ready system!' || echo 'No IPv6 support found! Re-Compile the kernel!!'
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For you to get a wildcard domain to start working under postfix you need to add this critical piece of information via your "main.cf"
recipient_delimiter = +
Add the email you want for this to work.
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There is a critical bug with the new LinuxMint Debian edition of 11. During an initial apt-get upgrade if you get this error:
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For those who want a quick/elegant way of checking the software RAID status of your disk in RH/CentOS/Fedora use this command. "mdadm"
mdadm --detail /dev
(the /dev, pertains to the device
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I have used tools in the past that allows me remotely manage shared linux desktop sessions with NoMachine.
For 64bit machines: http://www.nomachine.com/download-package.php?Prod_Id=3592
You will ha
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There are times when you need to increase a key value to your system to get tcp traffic as expected.
For this this type of problem:
Mar 4 22:21:05 viking1 kernel: printk: 4883 messages suppressed
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