Tag Archives: troubleshoot

Scalix Administration – Useful Commands

… error: spamassassin –lint restart spamd /etc/init.d/spamd stop and then /etc/init.d/spamd start Check bounces email on Postfix tail -f /var/log/mail | grep NOQUEUE troubleshoot sending or receiving Check the ldapmapper and make sure it’s working. /etc/init.d/ldapmapper status /etc/init.d/ldapmapper stop /etc/init.d/ldapmapper restart Check the sendmail daemon – make sure it’s working. ps aux |grep sendmail You should see two things: Accept connection and Queue control …

How to troubleshoot a slow computer network?

… packet sniffer is Microsoft Network Monitor. Here is a list of Windows-based network tools that can help you troubleshoot almost any problem in a Computer Network: Ping – a network utility to test if a computer is up and reachable or not. Ping uses the ICMP protocol to send echo requests. Nmap – a port scanner. You need a port scanner to enumerate open ports and live IP addresses. Tracert – a utility that traces the path of a network packet enumerating all of the routers …

Troubleshoot a Slow Computer Network – Your Computer is Slow and Not the Network

Slow Data Transfer is not Always caused by the Network Slow data transfers are sometimes caused by a slow computer. Determine if the computer is the reason by comparing the transfer speed with a different computer connected on the same switch port. If the speed is the same, the problem is your network. If you get faster data transfers with a different computer then the problem is the computer. A computer could be slow because of various reasons: A bad network card. troubleshoot: Swap the …