uncleflo
Registered since September 28th, 2017
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Tag selected: swap.
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How To Add Swap on CentOS 6 | DigitalOcean
Saved by uncleflo on September 12th, 2013.
Linux RAM is composed of chunks of memory called pages. To free up pages of RAM, a “linux swap” can occur and a page of memory is copied from the RAM to preconfigured space on the hard disk. Linux swaps allow a system to harness more memory than was originally physically available. However, swapping does have disadvantages. Because hard disks have a much slower memory than RAM, server performance may slow down considerably. Additionally, swap thrashing can begin to take place if the system gets swamped from too many files being swapped in and out.
swap linux add file memory ram space performance increase slow administration system solution
Adding and Managing CentOS Swap Space - Techotopia
Saved by uncleflo on September 12th, 2013.
An important part of maintaining the performance of a CentOS Enterprise Linux system involves ensuring that adequate swap space is available comparable to memory demands placed on the system. The goal of this chapter, therefore, is to provide an overview of swap management on CentOS.
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libsemanage.semanage_exec_prog: Child process /sbin/setfiles did not exit cleanly. | Indefinite Retention
Saved by uncleflo on September 6th, 2013.
Today I ran yum on a new virtual machine and noticed this error in the output. A quick look at /proc/swaps shows that this machine does not have any swap space configured. I’m running RHEL 6.3 from the default image in a micro instance on AWS. So Let’s set up a 1GB swap file and turn it on.
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