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LazySystemAdmin
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LazySystemAdmin is a site with 300+ Articles, how-to guides and video tutorials on all things related to System Administration and Technology.
LazySystemAdmin is a site with 300+ Articles, how-to guides and video tutorials on all things related to System Administration and Technology.

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Quick HOWTO: View contents of RPM without installing it
In Linux, You may wonder what are the files inside a rpm package and you may want to check them before installing it. You can do this with the below rpm commands: If it is a rpm file available locally: [root@linux_server1 ~]# rpm -qlp telnet-0.17-48.el6.x86...

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Quick HOWTO: View contents of RPM before installing it
In Linux, You may wonder what are the files inside a rpm package and you may want to check them before installing it. You can do this with the below rpm commands: If it is a rpm file available locally: [root@linux_server1 ~]# rpm -qlp telnet-0.17-48.el6.x86...

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Quick HOWTO: Flush DNS Cache in Linux
nscd ( N ame S ervice C ache D aemon) daemon provides caching service for the name service requests in Linux. To configure the nscd caching service, edit /etc/nscd.conf To Flush the DNS Cache in Linux server: # /etc/init.d/nscd restart               OR    #...

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Quick HOWTO: Change I/O Scheduler in Linux
Here is the procedure to change the default I/O scheduler in Linux. Dynamically setting the default I/O scheduler to a Particular Disk: To set "noop" as the default I/O scheduler  echo "noop" > /sys/block/sda/queue/scheduler To set I/O scheduler to all the ...

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