ntc – tempalates :cisco_ios_show_mac-address-table.template
[crayon-6844e7515b008073352886/]
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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-6844e7515b593088234168/]
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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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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…
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Apache: Cloudflare – Log the real ip
Check this out: https://www.cloudflare.com/technical-resources/#mod_cloudflare Option 1: Installation from Packages Download the appropriate package to your web server and install it…
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Ubuntu: upgrading from 14.04 to 16.04, error: Invalid command ‘LockFile’,
AH00526: Syntax error on line 55 of /etc/apache2/apache2.conf: Invalid command ‘LockFile’, perhaps misspelled or defined by a module not included…