Monitoring Apache2/php process
watch -n 1 “ps u -C apache2,apache,php”
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How do i run a file automatically when my linux starts?
Put the command you want to run on this file /etc/rc.local
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monitoring apache process command
watch -n 1 "echo -n 'Apache Processes: ' && ps -C apache2 --no-headers | wc -l && free -m"
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How to delete frozen mails from Exim mail queue
Sometimes there can be so many frozen mails in the Exim mail queue. To know the number of frozen mails…
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Client requested master to start replication from impossible position
If you run a replicated MySQL setup and have a master failure, you may see the following error in your…
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How to fix MySql Replication Error 1236
How to fix MySql Replication Error 1236 We have some websites that use two database servers in master-master replication. Recently…
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Can not see any IPAD/Iphone Photos in Windows Explorer
When you connect your IPAD/IPHONE to the computer, you used to be able to see photos under DCIM folder ,…
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How to check run level in Ubuntu?
just run “runlevel” , it will tell you what level the system is running. It’s good for chkconfig utilities.
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Can not see Ubuntu Network card
When you finish installing Ubuntu , you see that there is no network card when running "ifconfig" , or checking…
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WARNING: MaxClients of 384 exceeds ServerLimit value of 256 servers
Your new apache2.conf may looks like this. How to fix? – you need to move ServerLimit above MaxClients StartServers 50…