Make sure that the password in /root/.my.cnf is valid, first. In /etc/munin/plugin-conf.d , you will see a file called cpanel.conf . Modify it completely to look like so: [mysql*] user root group wheel env.mysqladmin /usr/bin/mysqladmin env.mysqlopts -u [MySQL_usr] -p[MySQL_usrpassword] ### [MySQL_usr] is a valid MySQL user and [MySQL_usrpassword] is it’s password ### you can use… Continue reading WHM / cPanel : Munin MySQL Graphs blank
Author: dino
WHM / cPanel : Munin graphs are Blank
WHM / cPanel Provides Munin for the Server Monitoring. It shows graphs for Disk, Exim, Mysql, Network, and Other Processes. I faced a issue on clients server where installation goes fine and Munin graphs are blank. I have made a short guide to trace the issue. Restart Munin node and Watch for the logs for… Continue reading WHM / cPanel : Munin graphs are Blank
Invalid command ‘SSLEngine’
CentOS release 4.5 (Final) Server version: Apache/1.3.37 (Unix) You can get this error for lots of reasons (including the mod_ssl.c module not being loaded) but my problem to day was the above error spat out by: apachectl configtest The reason is that apachectl DOES NOT define SSL (i.e. when it’s checking the config file). Therefore… Continue reading Invalid command ‘SSLEngine’
Formatting and Mounting a new drive in Linux
I have installed a new slave hard drive. How do I format it and mount it? Solution: 1. Login as root: and type the following command: [root@34 root]# fdisk /dev/hdc 2. This screen will appear: The number of cylinders for this disk is set to 10011. There is nothing wrong with that, but this is… Continue reading Formatting and Mounting a new drive in Linux
What is Virtuozzo / Parallels Power Panel?
Virtuozzo / Parallels Power Panel also known as VZPP / PPP is used to manage a VPS / Container efficiently. A user can Restart, Stop, Start, and Fast Stop his/her VPS when an emergency occurs. Using Virtuozzo also helps a user to get better information of his/her VPS such as Change password, File Manager, Resources,… Continue reading What is Virtuozzo / Parallels Power Panel?
Plesk – Cannot FTP to a domain after its physical hosting has been recreated
1. Physical hosting on a domain had been removed. 2. Then it was recreated using the same FTP user name. 3. After that it’s impossible to login by ftp to the domain, the FTP server returns an error: 530 User fp1 cannot log in, home directory inaccessible. CAUSE IIS cache causes this problem. RESOLUTION Here… Continue reading Plesk – Cannot FTP to a domain after its physical hosting has been recreated
Plesk : FTP error “home directory inaccessible”
Login to domain.com via FTP fails for all users. The following error message is displayed: Cannot log in, home directory inaccessible CAUSE There could be several reasons: 1. This happens if the host name is longer than 15 symbols. 2. Domain resolves to a different IP then the one it has been configured for in… Continue reading Plesk : FTP error “home directory inaccessible”
rndc: the key is invalid
Problem: ——— Issue: ——— While starting named, or when running /etc/rc.d/init.d/named status, you get the following error: rndc: connection to remote host closed This may indicate that the remote server is using an older version of the command protocol, this host is not authorized to connect, or the key is invalid. Solution: ——- Fix: ——-… Continue reading rndc: the key is invalid
Upgrade WHM / cPanel Linux server to EDGE Virtuozzo Optimized release
Q. How do I upgrade my CentOS Linux 5.0 dedicated server to WHM / cPanel edge release? A. You can upgrade to EDGE release from WHM manager. Please note that Edge is the bleeding edge tree. While it has the newest features; It has undergone the least amount of testing (if any). You generally shouldn’t… Continue reading Upgrade WHM / cPanel Linux server to EDGE Virtuozzo Optimized release
semget: No space left on device
This relates to semaphores on your system (you’ve run out). Run the following to clear them out: ipcs | grep apache | awk ‘{print $2}’ > sem.txt for i in `cat sem.txt`; do { ipcrm -s $i; }; done; For cPanel servers : ipcs | grep nobody | awk ‘{print $2}’ > sem.txt for i… Continue reading semget: No space left on device