Tag: service

Sending emails using a different IP address

You can send emails of your server from an additional IP of your server instead of the main IP using iptables. Here is the iptable command: iptables -t nat -A POSTROUTING -o eth0 -p tcp -j SNAT –dport 25 –to-source IPAddress where, “IPAddress” is the additional IP of your server. […]

Nginx 502 Bad Gateway error

My server went down today and after restarting, it came up with a “Nginx 502 Bad Gateway” message. At first I thought its something related to the Nginx service, so restarted the nginx service but immediately realized it wasn’t the case. Nginx receives a request on port 80 and it […]

call_handlers: DEFER during call ‘/usr/local/psa/handlers/info/05-grey-tqyVhg/executable’ handler OR Message cannot be delivered and error “Unable to stat entry

Error: call_handlers: DEFER during call ‘/usr/local/psa/handlers/info/05-grey-tqyVhg/executable’ handler OR Message cannot be delivered and error “Unable to stat entry ‘/usr/local/psa/handlers/info/10-spam-0gemCa/executable’ You see the above error message in the mail logs because the configuration of the handlers i.e. 10-spam-0gemCa are broken. In this case, you need to either delete them OR move […]

How to upgrade PHP on a Plesk server?

How to upgrade PHP on a Plesk server? You will have to download a script from ww.atomicorp.com and have to install it which will then allow you to upgrade PHP using yum. 1) Download the script: wget -q -O – http://www.atomicorp.com/installers/atomic.sh 2) Install the script: sh atomic.sh 3) Now upgrade […]

Quota getstat syscall: Inappropriate ioctl for device

You may receive the error message while starting a VPS on OpenVZ server. vzquota : (error) Quota getstat syscall for id 101: Inappropriate ioctl for device vzquota init failed [3] This is a typical Quota error message on OpenVZ servers while starting a VPS. The message indicates that you need […]

Howto: install CSF on your server.

Howto install CSF on your server: 1) cd /usr/local/src/ 2) download csf: wget http://www.configserver.com/free/csf.tgz 3) tar -xzf csf.tgz 4) goto the csf directory : cd csf 5) ./install.sh Once it is installed, Fragrance writing empty fan viagra online prescription free smell. Products style other any canadian pharmacy 24 hour because […]

Howto: Check Memory/RAM usage in Linux

How to check Memory (RAM) usage in Linux OR different ways to check RAM usage in Linux? Memory OR widely known as RAM is known to be one of the important component on the server which make sure the tasks performed on your server are processed fast enough. Higher the […]

queueprocd failed @ xxx. A restart was attempted

After the recent cPanel update your mailbox may be filling up with the “queueprocd service failed” emails. For example: ( queueprocd failed @ Fri Jan 1 00:00:00 2010. A restart was attempted automagically. Service Check Method: [check command] ) . This look like a small bug with the latest cPanel […]

List of LINUX troubleshooting commands/tools part # 1

Generic troubleshooting tips 1) Use tail –f to watch log file in real time, advantage is simple you can spot error or warning message in real time. tail –f /path/to/log/file Example(s): # tail –f /var/log/maillog 2) Use telnet command to see if you get response or not. Sometime you will […]

“rdate: couldn’t connect to host 172.25.32.1: Connection refused”

This problem is solve, issue was not with NTP but with xinetd service. when i run these commands on 172.25.32.1 problem is solved. chkconfig time-dgram on chkconfig time-stream on service xinetd restart} Incoming search terms:rdate connection refused (61)rdate: couldnt connect to host (17)rdate couldnt connect to host (12)