Strongswan: IPsec VPN – https error
i have 2 sites vpn between Strongswan and Cisco 1841 , the vpn works well , but there is a…
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How to use and exit minicom ?
minicom -s (this is to configure the terminal) to exit minicom Press Ctrl – A , select Z , select…
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ntc – tempalates :cisco_ios_show_mac-address-table.template
[crayon-68641d1368a7b412814844/]
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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-68641d1368d10893770668/]
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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…