Do not list iptables nat rules without care
What I do not want to do ever again is runningiptables -L -t naton a core production server with many many connections.And why?Well because running "iptables -L" auto-loads the table specific iptables kernel module which for the "nat" table is "iptables_nat" which has a dependency on "nf_conntrack". While "iptables_nat" doesn't do anything when there are no configured iptables rules, "nf_conntrack
Redis performance debugging
Here are some simple hints on debugging Redis performance issues.Monitoring Live Redis QueriesRun the "monitor" command to see queries as they are sent against an Redis instance. Do not use on high traffic instance!redis-cli monitorThe output looks like thisredis 127.0.0.1:6379> MONITOR OK 1371241093.375324 "monitor" 1371241109.735725 "keys" "*" 1371241152.344504 "set" "testkey" "1" 1371241165.169
Nagios Check Plugin for "nofile" Limit | LZone
RE: Please support theoldreader 3 days 9 hours agoPlease support theoldreader 1 week 4 days agoRTL Bugs Fixed 4 weeks 4 days agoWith logger_level set to 7 weeks 3 days agoGeneric social bookmarking 7 weeks 6 days agoAdded Mister Wong support 8 weeks 3 days agosocks 9 weeks 2 days agoOne more… 9 weeks 4 days agoWhere to put the username 10 weeks 3 days agogood one 12 weeks 3 days ago Following the
Filtering dmesg Output | LZone
Nice answer 1 week 5 days agoSpecific CVE 2 weeks 6 days agoCan this tool output 2 weeks 6 days agoRE: Or you can use debsecan 3 weeks 1 day agoUse RHN + Yum security 3 weeks 1 day agoIs any chance perl has 3 weeks 2 days agoOr you can use debsecan. 3 weeks 2 days agoRE: How do you avoid 4 weeks 17 hours agoHow do you avoid 4 weeks 2 days agoRE: That looks like CFE2 syntax 4 weeks 3 days ago Many
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Nagios Plugin for dmesg Monitoring | LZone