Aarvi

Linux

Emails going to Spam folder issue

We do get complaints of emails going to spam folder most of the times while working. The solution to such a issues depends on 3 things rdns for the IP address and matching A record for the domain name in question. Need to setup right SPF Need to setup right DKIM a) To setup SPF […]
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E-mail accounts not showing in cPanel

The issue when you open “Email accounts” in cPanel, it sometimes doesn’t show up the list of Email accounts the domain have but only just a blank page without any email account No Email Accounts”! This happens due to bulk of cache, temp files etc present in the .cpanel directory of domain. In order to […]
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Softacalous blank issue cPanel/WHM

While working one of the clients server We saw an issue where going from WHM > plugin > Softacalous and opening it resulted in blank page. The issue is due to corrupt files in softacalous. To fix this issue softacalous need to be reinstalled to reinstall to go cd  /usr/local/cpanel/whostmgr/docroot/cgi/ rm -rf softaculous cd /home […]
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cPanel – Can’t change hostname

While setting hostname from WHM  >>  Change Hostname We were seeing below error “The hostname was already set to server1k.online.net, syncing configuration only. Error setting new hostname: Could not execute hostname binary Could not set property: Connection timed out” After googling found a alternate solution to this via cli The command was   /usr/local/cpanel/bin/set_hostname  <hostname> It […]
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Disable Mails from single cPanel account

We were having an issue where spams emails were sent from single cpanel account We could not suspend the account and disable emails So the solution to this was to keep website online and disable only emails we use the below method to disable emails for a single cPanel account. SSH to server and use […]
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softaculous License refresh from command line

Softacalous license from GUI interface is just click of mouse work However if you are doing it from cli You need to run below cron to refresh the softacalous license root@vps [~]# /usr/local/cpanel/3rdparty/bin/php /usr/local/cpanel/whostmgr/docroot/cgi/softaculous/cron.php root@vps [~]#  
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view external: query (cache) ‘.in-addr.arpa/PTR/IN’ denied

While working on some issue on clients server I could see large number of DNS request in /var/log/messages which were flooding DNS server Jul 27 12:48:55 oklahoma named[14354]: client 74.125.72.2#33485: view external: query (cache) ‘192.245.129.104.in-addr.arpa/PTR/IN’ denied Jul 27 12:48:55 oklahoma named[14354]: client 173.194.103.8#53106: view external: query (cache) ‘31.249.129.104.in-addr.arpa/PTR/IN’ denied Jul 27 12:48:55 oklahoma named[14354]: client […]
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Disable Ipv6 on Centos-5

On up-to-date RHEL5 or CentOS5 (currently that means 5.10 aka 5U10) Add the following line to /etc/sysctl.conf: net.ipv6.conf.all.disable_ipv6 = 1 1 net.ipv6.conf.all.disable_ipv6 = 1 On a live system you can disable it with: echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6 1 echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6
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Disable Strict Mode mysql mariadb

While working on WHMCS I was not able to generate tickets I found out issue was due to mysql being in strict mode I tried disabling mysql strict mode  by adding entries in  /etc/my.cnf sql_mode=”” However it didnt work out. I have found that there is a /usr/my.cnf file that is enabling strict mode on  […]
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