Root Cause Analysis Root cause analysis (RCA) is a method of problem solving that tries to identify the root causes of faults or problems. RCA practice tries to solve problems by attempting to identify and correct the root causes of events, as opposed to simply addressing their symptoms. Focusing correction on root causes has the … Read more
If you cannot send emails to Outlook or Hotmail or MSN, then your server’s IP address maybe blacklisted. Here are some tips to get removed from the MSN blacklist. Before jumping through the blacklist removal hoops, you may want to double-check that your emails are not simply going into the spam folder. This process will … Read more
Here are some useful things to know for managing an Exim 4 server. This assumes a prior working knowledge of SMTP, MTAs, and a UNIX shell prompt. Message-IDs and spool files The message-IDs that Exim uses to refer to messages in its queue are mixed-case alpha-numeric, and take the form of: XXXXXX-YYYYYY-ZZ. Most commands related … Read more
tcpdump -i eth0 ‘port 3306’
psa-firewall To start the service through the command line: /etc/init.d/psa-firewall start To stop the service through the command line: /etc/init.d/psa-firewall stop To restart the service through the command line: /etc/init.d/psa-firewall restart Configuration files are accessible at: /usr/local/psa/var/modules/firewall/firewall-active.sh /usr/local/psa/var/modules/firewall/firewall-emergency.sh /usr/local/psa/var/modules/firewall/firewall-new.sh psa-firewall (IP forwarding) To start the service through the command line: /etc/init.d/psa-firewall-forward start To stop the … Read more
Telnet is most likely to be used by system administrators, program developers and anyone who has a need to use specific applications or data located at a particular host computer. It’s a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. … Read more
There are three steps to setting up DNS for websites hosted on your Dedicated using Plesk 12: Add your domain name to the Parallels Plesk Panel. Create and register two domain hosts. Assign your nameservers to your registered domain name. Step 1 — Adding Your Domain Name to Parallels Plesk Panel Before you can use … Read more
Editing the global php.ini at /usr/local/lib/php.ini does not increase values in the internal PHP for cPanel for PhpMyAdmin. You have to edit the internal php.ini, which apparently it is reading from /usr/locafile.rather than /usr/local/cpanel/3rdparty/etc/phpmyadmin/php.ini file. nano /usr/local/cpanel/3rdparty/etc/phpmyadmin/php.ini ; Maximum size of POST data that PHP will accept. post_max_size = 50M upload_max_size = 50M
Run the below commands with superuser privileges to download the archived shell script. Unzip it and execute it, providing the needed domain name as an argument: ~# wget http://kb.parallels.com/Attachments/kcs-20264/recover_plesk_directories.zip ~# unzip recover_plesk_directories.zip ~# sh recover_plesk_directories.sh domain.tld
Cannot login via ftp to the domain, the following error is displayed during the logging: 530 Login incorrect. In the ‘/var/log/secure’ file you may find the following error: Oct 1 12:55:15 web02 proftpd[20205]: 127.0.0.1 (91.204.25.4[91.204.25.4]) – USER test (Login failed): Invalid shell: ‘/bin/false’ Cause The string ‘/bin/false’ is missed in the file ‘/etc/shells’. Resolution Add … Read more