ntc – tempalates :cisco_ios_show_mac-address-table.template
[crayon-6863b09ff346a466991679/]
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Nagios: Sorry, but Nagios is currently not checking for external commands, so your command will not be committed!
When you tried to stop Nagios to monitor some services from web interfaces – you see the message below: Sorry,…
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Mysql to Postgres – column header in query – it’s all in lower case
By default when we run an query in postgres sql (psql) , all the table header is in lowercase ,…
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/usr/bin/python^M: bad interpreter: No such file or directory
it’s because the new line difference between Unix and windows , the easiest fix it run this command [crayon-6863b09ff38c5568340832/]
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WordPress is slow: wp-captcha-booster – tech-banker-service
I just found out that i could not access my wordpress today, i checked the server, everything looked good. i…
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Linux: crontab syntax check
The folder /etc/cron.d/ is used to store all cronjobs, the cronjob is saved on the file , the format is:…
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Ubuntu: Check disk heath – smartctrl and smartmontools
smartctl is a nice tool to check your hard disk health – it will let you know how many hours…
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Perl: Diamon operator: <> , $_, the default variable
The Diamond operator is almost exclusively used in a while-loop. It allows us to iterate over the rows in all…
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Mysql: creating a new user and assign all permission to it
i create this user for my backup script: [crayon-6863b09ff3e00199570791/]
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Infoblox: DHCP doesn’t update DNS
In case a client doesn’t have DNS entry when it register with DHCP, it could be because the client just…