sys uptime

The Acl.config file defines the permissions that can be subscribed to $sys topics .{Allow, {user, ' dashboard '}, subscribe, ["$SYS/#"]}. {Allow, {ipaddr, ' 127.0.0.1 '}, PubSub, ["$SYS/#", "#"]}.%%%{deny, all, subscribe, ["$SYS/#", {eq, "#"}]}.

Recently, my article has been very popular. I just want to summarize my knowledge from Marco Polo and send it to my blog. But I didn't expect that an article was first published nine times in the morning... If you really think my article is bad,

1:CPU architecture and how it works 2: Operating Systems and processes 3: Metrics to measure CPU busy 4:CPU resources as a symptom of system performance bottlenecks 5: Which processes are the big players that consume CPU resources? 6: Using the SAR

When a Linux system encounters a problem, we not only need to view the system log information, but also need to use a large number of performance monitoring tools to determine which part (memory, CPU, hard disk ......) An error occurred. In Linux,

Linux Command to view system information View disk InformationDf to view disk usage, which has been introduced. Fdisk is used for disk partitioning. We just need its-l command to view the disk partition. As follows: M @ sys :~

How to view system startup time and run time under Linux 1. View/proc/uptime file Computing system startup time: Cat/proc/uptime Output: 5113396.94 575949.85 The first number is the system has been running for 5,113,396,.94 seconds, using the

MongoDB replica set (2) Construction Preparations Environment: CentOS6.5 64-bit MongoDB 3.0.1 64-bit 1. Start the mongod Service  [Root @ localhost data] #/usr/local/mongodb3.0.1/bin/mongod -- port 40144 -- dbpath =/data/mongodb3.0.1/data/-- logpath

Preparatory workEnvironment: CentOS6.5 64-bitMongoDB 3.0.1 64-bitFirst, start the Mongod service[Email protected] data]#/usr/local/mongodb3.0.1/bin/mongod--port 40144--dbpath=/data/mongodb3.0.1/data/--logpath

The system information provided by multiple files in the/proc file system is not for a specific process, but can be used in the context of the entire system. Files that can be used vary with system configurations. The command procinfo can display

5. System Maintenance5.1 Solaris SystemInvolved server account1 (218.29.0.239), Account2 (218.29.0.240), oradb1 (218.29.0.244), oradb2 (218.29.0.245)5.1.1 System Overview1. Basic information of the Operating System: uname-A displays the name,