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Oct
28
revised centos 6 apache hangs/freezes but it is still running, have to restart to work php pages
a little grammar and syntax fix
Oct
28
answered centos 6 apache hangs/freezes but it is still running, have to restart to work php pages
Oct
28
suggested suggested edit on centos 6 apache hangs/freezes but it is still running, have to restart to work php pages
Oct
28
comment How to read oom-killer syslog messages?
Still I think for you, best option still is looking into the kdump and a vmcore to get a snapshot of what the system looks like at the actual error time. "ps" is not the only tool available to you. Besides, if you create a support ticket at ubuntu or someting to get to the bottom of the problem, they probably would like a vmcore too for a root cause analysis. Check this page: dedoimedo.com/computers/crash-analyze.html
Oct
27
answered Moving web files to /home/user/ gives permission denied using apache
Oct
26
answered How to start process as a daemon?
Oct
25
answered How to read oom-killer syslog messages?
Oct
25
comment Can I install linux has the host in a dell poweredge server (r710)?
Do it, it'll work.
Oct
24
comment grep is inconsistently defaulting to grep -P?
so in your interactive shell, which grep returns grep -P? Did you do a recursive grep for "grep -P" in /etc/profile*?
Oct
24
answered Suspicious file types found in /dev ASCII text
Oct
24
comment Understanding Memory Usage and Numbers in Linux
when you run top, do you sort fields by memory or use default CPU?
Oct
24
comment Input/output error reading USB backup drive on CentOS 6.4
run a smartctl --test to see what it says
Oct
23
comment Input/output error reading USB backup drive on CentOS 6.4
Try smartctl --all /dev/sda.
Oct
22
comment Input/output error reading USB backup drive on CentOS 6.4
yeah I'd be concerned if the backup drive showed I/O error, but often some USB drives will croak if written to for a long duration of time. Still I'd back up onto another drive instead. And often when a drive is re-mounted read-only it can have a fault on it, or it has lost contact with the device. Maybe some lines around the output from dmesg says anything like that?
Oct
21
answered Input/output error reading USB backup drive on CentOS 6.4
Oct
21
reviewed Reviewed Ubuntu server not using localhost IP for internal communication
Oct
19
answered What is the best way to setup a heartbeat agent for failover between two VMs?
Oct
13
answered Postfix mysteriously stops running
Oct
12
comment Ksoftirqd high load
is this a physical or virtual machine? I guess physical since you use bonding? Does changing back BONDING_OPTS make ksoftirqd behave normally? Does dmesg show any useful info?
Oct
12
comment Strange Recurrent Excessive I/O Wait
Have you tried another IO scheduler? stackoverflow.com/questions/1009577/… You'll need to see which one gives you best performance, but generally deadline is a good option. Also if you're concerned about your raid controller, have you any indication from dmesg, or if the disks supports S.M.A.R.T, does smartctl indicate any errors?