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Like most I'm running many sites using virtual hosting on our server. Some of those sites get malicious php-scripts pushed onto them. Luckily these scripts can be recognized easily as they have 'www-data' or 'apache' as its owner. Of course I prefer to make it impossible for hackers to put...

Ever since I've upgraded from Plesk 12.x to Plesk 12.5 I'm getting calls from customers that their mail doesn't work. All these users have Apple mail and use SSL to connect with either IMAP or POP. Thus far I changed their Mail-clients to plain and then they start working again. These are the...

I used to have several scripts running in /etc/cron.hourly and they stopped. I investigated this and it turned out that commands out of /usr/local/sbin or /usr/local/bin aren't working anymore because the system can't find these commands. I inspected /etc/crontab and these 2 folders are still...

Plesk 12.5 When I select "Wordpress" from the main menu I got the error "Unable to find service node for web service on domain with id 117" In mysql I gave the command: select id,name,htype from domains where id=117; This turned out to be a domain for which I moved hosting to another server...

The new Plesk 12.5 came as a bit of a surprise for me and the reason I migrated 1 of my servers to it was a long outstanding bug it is suffering regarding the DNS-server. My server is now upgraded, but that bug is still present. At random some domains get the secondary DNS-server placed in the...

Yesterday I migrated 1 server from 12.0.18 to 12.5.30 I just now logged into another server (still running 12.0.18) and started the migration manager. I used the same procedure as 2 days ago for moving a specific domain from that 12.5.3 server and now it gives me an error message that it can't...

Because one of the packages "libarchive" is already installed, the Plesk upgrade fails. How can this be resolved? Running rpm_check_debug Fatal error during packages installation: Test Transaction Errors: package libarchive-2.8.4-11082614.x86_64 (which is newer than libarchive-2.8.4-6.el5.i386)...

I had to do a bulk change for NS-servers because it would have been a lot of work. I did this: mysql> update dns_recs set val='ns6.xxxx.nl.' where val='ns2.xxxx.net.' and type='NS'; Query OK, 128 rows affected (0.05 sec) Rows matched: 128 Changed: 128 Warnings: 0 mysql> update dns_recs set...

According to http://kb.odin.com/en/1229 The SOA-record is set to the first NS-record set in Plesk. I have noticed that new domains get my secondary DNS set as SOA. I checked the DNS-template and there the correct nameserver is on top. Maybe the NS-record order is random or always swapped. I...

Wordpress is becoming more and more integrated with Plesk which makes it quite easy to setup a new domain for someone and install Wordpress so he can start. Often this Wordpress site has to be developed and a better looking site is already available. By default Wordpress installs in a...

Each migration in the last years I'm running into this bug that Postfix wants to run on port 587 even though this is turned OFF in the Plesk Panel. Sometimes it does this after some update. Because another process is running on port 587 this means that postfix does not start and I have some...

I recently upgraded my Plesk 11.5 server to Plesk 12. This server is running DNS for all our customers. Regularly I run a script I wrote that checks if my DNS settings are correct. It checks if the slave DNS-servers can resolve that domain and their serial info is the same. It also gives an...

Today I upgraded to Plesk 12 and during the day I got several customers that had problems with their mailbox size. According to Plesk they were exceeding the size, but they've been doing that for years. The setting that these limits don't have any real meaning is ignored after the upgrade...

I wrote a script to test the integrity of my DNS and run it from time to time on my server... I just ran it today and it discovered I suddenly have 5 domains with SOA-records that doesn't point to itself. They point to the secondary nameserver. They are records that exist for years and were...

I'm running a reverse proxy on port 587 (ASSP) and noticed that it is taken by postfix even though it is turned off. Enabling it in the interface and turning it off will fix it... Although this morning I noticed it was running on port 587. I repeated the procedure.... I'm running Plesk 12...

I just took a server at a hosting service where I already have several Plesk servers running. The servers I already have running are equipped with 2 conventional disks in RAID1 This new server is equipped with a 2 x 2 TB and a 128 GB SSD disk. With a setup wizard you can install Plesk which...

I just added a Linux user and checked the contents of /etc/passwd by issuing It's to find out which users have shell access. grep ':/bin/.*sh$' /etc/passwd It showed me 2 user accounts that had shell access. These 2 users (like many others) have been migrated several times and are Plesk...

When I first experienced an unresponsive server due to an over zealous Apple IMAP-client I found and used this python script. http://www.patlathem.com/identifying-courier-imap-io-abusers/ This python-script is like iotop, but it focuses on imap and shows the user that's hogging down your...

Lately I'm having several breaches and 5 accounts have been compromised. They didn't have strong passwords, so I changed these. One of these accounts however was using an account where the e-mail address is different than its account. I'm normally not using these setups, but this one made...

I would like to change DNS-records from the CLI because it is too much work to go through all the different domains and changing them using a GUI I found this page, but there aren't that many examples given. It's rather ambiguous what I have to put there or it's just not working... I don't...