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ok, find the answer to my own question.

Install dmidecode:

emerge -q sys-apps/dmidecode

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sudo dmidecode --type memory

or

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sudo dmidecode --type 17

Is there a command to find at what speed the RAM-memory is running.

You get this error when the other side ( server ) can't change the file permission. Perhaps the file system doesn't support it. Or the user that runs the rsync-daemon on the server doesn't have the rights to change the permissions. You can suppress the error-message by adding --no-perms to the rsync...

The problem is probably that the group "shareusers"
doesn't exist on your rsync server ( not the client )

The easiest way:
Right-click on a empty space of the Taskbar, click Search, and then click Disabled option to remove the search box.

The command to save the rules is

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iptables-save > save_iptables.txt

To restore :

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iptables-restore < save_iptables.txt

You might want to review your rules before saving:

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iptables -L -nv --line-number

You can use

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ls -lha filename

It shows the info about the file,

But perhaps what you are looking for is

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file filename

Result:

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file can_w33.pdf 
can_w33.pdf: PDF document, version 1.4

You can try to play with the windows resolution: Right-click a blank area of the Desktop, then choose "Display settings" > "Advanced display settings" Temporarily change the "Resolution" to another value. But an easier option is "Window move keys": Select the ...

It is a feature called Briefing screen, you can see the screen by swiping right. It is basically a Flipboard feed. You can disable it by: Long-press on a blank area of your device's home screen. After a few seconds thumbnails for each panel will show up; swipe to the right until you can see the Brie...

You probably having a dynamically sized .vdi file. You first have to convert it: VBoxManage clonehd --format RAW kubuntu.vdi kubuntu.img Remember the img-files is that a full disk, so with different partitions. Check it with: fdisk -l kubuntu.img You should be able to mount it with something like th...

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Search found 103 matches

Re: find linux memory speed

find linux memory speed

Re: rsync: failed to set permissions

Re: rsync error: error starting client-server protocol (code 5)

Re: remove search box from taskbar

Re: iptables save config

Re: linux what type of file

Re: Bring off-screen window to screen

Re: removing Flipboard

Re: mount virtualbox vdi-image on linux