Author Archive

Installing Ruby on Rails on Plesk

To Install Ruby on Rails on a Plesk Server: yum groupinstall “Plesk 8.1 Ruby” yum install psa-miva (If Miva required) yum groupinstall “Plesk 8.1 FastCGI” (if FastCGI required) To Configure Ruby on Rails on a Plesk Server: 1. Create a domain in Plesk with Physical hosting. 2. Ensure that bin/bash access is enabled. 3. Ensure […]

rsync backups

rsync can be used as an effective backup tool: rsync -avz –delete -e “ssh -i rsync/mirrorkey” backup@ /backup/ If there’s a lot of data and speed takes importance over security, a weaker cipher such as blowfish could be used: “ssh -c blowfish -ax -i rsync/mirrorkey” Be careful with the –delete flag, it will delete files […]

RPM Examples

Install RPM: rpm -ivh package.rpm Upgrade RPM: rpm -Uvh package.rpm Import an RPM GPG key: rpm –import /media/cdrom/RPM-GPG-KEY Getting detailed information about the package wget: rpm -qi wget Showing all the files installed by the package wget: rpm -ql wget

Enable Disk Quotas on plesk for Linux

First of all make sure that quota is supported by kernel. It should be compiled into the kernel or loaded as module. You can check if quota is configured properly with this command line: /usr/local/psa/admin/sbin/usermng –isquotable Normally, it should return “0”. If the utility returns the following error message: usermng: Unable to turn on user […]

Managing the Qmail queue

/var/qmail/bin/qmail-qstat or for more detailed info: /var/qmail/bin/qmail-qread qmail configuration: /var/qmail/control list count of email addresses in queue grep -h “^From:” /var/qmail/queue/mess/*/* | sort | uniq -d -c for big big queues: (will take a while) find /var/qmail/queue/mess/21/  -type f -print0 | xargs -0 -P1 -n64 grep -h “^From:” |sort | uniq -d -c search through […]

Managing the Postfix queue

This command will delete one specific email address from the mail queue (taken from the postsuper man page): #mailq | tail +2 | grep -v ‘^ *(‘ | awk  ‘BEGIN { RS = “” } { if ($8 == “” && $9 == “”) print $1 } ‘ | tr -d ‘*!’ | postsuper -d […]

Plesk Admin Password

Linux: cat /etc/psa/.psa.shadow Windows: Open a command prompt and type: “C:\Program Files\Parallels\Plesk\admin\bin\plesksrvclient.exe” -get

Plesk unlock admin account

mysql -uadmin -p$(cat /etc/psa/.psa.shadow) -Dpsa -e “delete from lockout where login=’admin’”

Plesk 9 Backup Utility Broken

After an upgrade to Plesk 9 you cannot schedule backups and get the following error: Unable to update scheduled backup information: MySQL query failed: Unknown column ‘backup_time’ in ‘field list’ Just run the following and it will reinstall them and correct the database: yum erase psa-backup-manager psa-migration-manager yum install psa-backup-manager psa-migration-manager service psa restart

Plesk 9 Greylisting

Plesk 9 introduced greylisting  – yay! or not. To disable it: /usr/local/psa/bin/grey_listing –update-server -status off