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linux

graphviz dot command not found
Linux

graphviz dot command not found

BySumGuy 2013-07-292016-05-12

Recently I was trying to run doxygen on a new machine and got this error : sh: dot: command not found After some googling I realized I was missing graphviz dot, so a simple yum install graphviz fixed it right up. Refhat, centos, rhel yum install graphviz Debian, Ubuntu, Mint etc apt-get install graphviz This…

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Adding extra Swap to Linux
Linux | shell

Adding extra Swap to Linux

BySumGuy 2013-07-282016-05-12

On one of my servers I needed extra swap space because the datacenter screwed up the partitioning and I didn’t have time to reimage the machine. so an easy way to add swap after partitioning is just to add it via a new file on any partition. lets say you want to add 8GB of…

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Repair & Optimize all Mysql Databases one liner
Linux

Repair & Optimize all Mysql Databases one liner

BySumGuy 2013-07-172016-05-12

Mysql tuner telling you to optimize your tables? or you just happen to be bored? Mysql optimize Reorganizes the physical storage of table data and associated index data, to reduce storage space and improve I/O efficiency when accessing the table. The exact changes made to each table depend on the storage engine used by that…

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Yum install dependencies for a local RPM
Linux | shell

Yum install dependencies for a local RPM

BySumGuy 2013-07-132016-05-12

Got an RPM laying about you need to install but it has a bunch of dependencies? well let yum do the heavy lifting. yum –nogpgcheck localinstall SomeApp.noarch.rpm  

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Remove all old installed but unused kernels
Linux | shell | tuts

Remove all old installed but unused kernels

BySumGuy 2013-07-122016-05-12

I just noticed I had 8 kernels installed on a machine. dont need but one…. so I rebooted to make sure I was using the newest, and removed all the old ones via these simple commands :   Ubuntu / Debian / dpkg / Apt: dpkg -l ‘linux-*’ | sed ‘/^ii/!d;/'”$(uname -r | sed “s/\(.*\)-\([^0-9]\+\)/\1/”)”‘/d;s/^[^…

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Generate file of fixed size via CLI
Linux | shell

Generate file of fixed size via CLI

BySumGuy 2013-07-062016-05-12

We recently moved a hosting to a new data center and wanted to test speeds, so I needed fixed size files to see what kind of speeds people could achieve while downloading them. I decided on the arbitrary numbers of 100MB and 500MB. Heres how I generated fixes size files via bash. for 500 MB…

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  1. Linda Sherratt on Enable WebGL on Chrome or Firefox2023-02-01

    the instructions are too difficult for me to comprehend

  2. gst on Proxmox iso upload method2023-02-01

    I was trying to get an ISO through mounted USB but your guide is a straight-forward. Thanks a lot SumGuy!

  3. felix on Archives2023-02-01

    need aosp

  4. gorg on Proxmox iso upload method2023-02-01

    Saved me time, tanx

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