May 8, 2010
Plesk VPS Migration for plesk 9 series
Linux/Windows Support,Plesk,1. Upload migration agent and modules to the source server. For example for Parallels Plesk Panel, there are two folders: “/usr/local/psa/PMM/agents/shared” and “/usr/local/psa/PMM/agents/PleskX”. Use the command below to copy the Migration Manager: destination ~# scp -r /usr/local/psa/PMM/agents/shared/* /usr/local/psa/PMM/agents/PleskX/* root@source:temporary_migration_directory/ 2. Login to source server and change to directory /temporary_migration_directory. Run migration agent (PleskX.pl) with parameter…
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March 24, 2010
How to identify CPU resource problem?
Linux/Windows Support,vmstat command helps us to determine if a server is running short of CPU resources. First, let us determine the number of CPUs available Linux: $ grep -i processor /proc/cpuinfo | wc -l FreeBSD: $ sysctl -a ‘hw.ncpu’ Run vmstat command 10 times with an interval of 5 seconds $ vmstat 5 10 procs ———–memory———-…
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March 16, 2010
Firewall – Reject or Drop a packet
Linux/Windows Support,Firewall – Reject or Drop a packet While setting up firewall rules, the biggest question that arises while blocking a packet is, whether to reject or drop that packet. Reject a packet – Block the packet with an error response to the sender of the packet. Drop a packet – Block the packet without any…
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March 13, 2010
Create strong passwords in Unix
Linux/Windows Support,openssl command helps in creating strong passwords for user accounts, email addresses, web forms etc. openssl rand 12 -base64 The above command will create a random base 64 encoding string each time it’s run.
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January 29, 2010
Display Info about FreeBSD system
Linux/Windows Support,Display Info about FreeBSD system 1) Determining the Hardware Type/platform: # uname -m 2) Determining machine processor architecture: # uname -p 3) Determining FreeBSD release level: # uname -r 4) Generally, following command is use to get all info at a time: # uname -mrs 5) Determining how long a system has been up #…
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January 23, 2010
Can’t connect to Plesk SQL Server (after updating Plesk admin password)
Linux/Windows Support,Can’t connect to Plesk SQL Server (after updating Plesk admin password) Jet engine is configured as Plesk Database Provider by default and Plesk SQL (MySql) service is set to disabled. However Plesk installer sets MySQL admin’s password the same as Plesk’s admin. If Plesk’s admin password is changed MySQL admin’s password remains the same which…
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January 13, 2010
Can’t change administrator email address
Linux/Windows Support,Can’t change administrator email address Error : Unable to update administrator information: Error 2 at CMMFile::CMMFile: open file C:\inetpub\vhosts\default\htdocs\index.html: The system cannot find find the file specified. Solution : You should be able to resolve this after getting the contents css img favicon.ico index.html replaced over here ‘C:\inetpub\vhosts\default\htdocs’. You will be able to update the…
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January 9, 2010
Unable to add/remove domain alias in Helm Control Panel
Linux/Windows Support,Unable to add/remove domain alias in Helm Control Panel You could have experienced this error CDomainAlias.DeleteEx 0-xxxxxxxxxx: Unknown error while adding host header: A name contained an invalid character. in Helm Error Logs. If that’s the case please remove IIS.XML in the remote server where the domain is actually hosted. P.S. IIS.XML is available at…
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January 9, 2010
Accessing Plesk shows invalid security certificate.
Linux/Windows Support,Accessing Plesk shows invalid security certificate Accessing Plesk Control Panel with https displays the following; mydomain:8443 uses an invalid security certificate. The certificate is not trusted because it is self signed. The certificate is only valid for plesk. (Error code: sec_error_ca_cert_invalid) You don’t need to buy another certificate, the certificate you now have is auto-generated…
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January 1, 2010
Create directory & set permission using a single Linux command
Linux General,Linux/Windows Support,Generaly, we create directory using “mkdir” command and then change it’s permissions using “chmod” command. Create directory & set permission using a single Linux command Actually, we can set the permissions for the directory at the time of it’s creation itself, with the following command: $ mkdir zyz -v -m 644 mkdir: created directory `zyz'…
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