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linux_skodi

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linux_skodi [2020/09/04 00:35]
ww poslani mailu z shellu 		linux_skodi [2024/06/13 15:31] (current)
ww
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 ---- ----
 +
 +===== fstab - příklad =====
 +
 +<code>
 +fstab
 +
 +# <file system>                            <mount point>        <type> <options> <dump> <pass>
 +proc                                       /proc                proc   defaults  0      0
 +
 +UUID=27d259c9-f4a8-4749-b8a7-b9a0f019a3c4  /mnt/ext-usb-4tb     ext4   defaults  0      0
 +</code>
 +
 +----
 +
 +===== Docker =====
 +
 +=== Instalace Ubuntu ===
 +<code>
 +# Adding an ASCII Armored key (.asc key)
 +curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
 +gpg --dearmor | \
 +sudo tee /usr/share/keyrings/docker-ce-archive-keyring.gpg > \
 +/dev/null
 +
 +# Or if you prefer a one-liner
 +curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor | sudo tee /usr/share/keyrings/docker-ce-archive-keyring.gpg > /dev/null
 +
 +# Breakdown of each part
 +#
 +# curl             downloads the key 
 +# gpg --dearmor    creates a binary .gpg because /usr/share/keyrings cannot take .asc keys
 +# sudo tee         because we get permission denied if we try redirect the output of a sudo command
 +# /dev/null        we don't need to see the dearmored keyring on the console
 +</code>
 +
 +<code>
 +echo \
 +"deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-ce-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | \ 
 +sudo tee /etc/apt/sources.list.d/docker-ce.list > \
 +/dev/null
 +
 +
 +# Of if you prefer a one-liner
 +echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-ce-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker-ce.list > /dev/null
 +</code>
 +
 +=== One-time rychlovka bouračka ===
 +<code bash>docker run -it --rm -v /home/user/temp/docker:/qemu-temp debian /bin/bash</code>
 +(''-v cesta_venku:cesta_uvnitr'')
 +
 +===== Výpis síťových zařízení =====
 +
 +<code># lshw -C network -short
 +
 +H/W path                  Device          Class          Description
 +====================================================================
 +/0/100/1.2/0/4/0          enp38s0         network        I210 Gigabit Network Connection
 +/0/100/1.2/0/5/0          enp39s0         network        I210 Gigabit Network Connection
 +/0/100/3.1/0              enp45s0         network        AQC107 NBase-T/IEEE 802.3bz Ethernet Controller [AQtion]
 +/0/100/3.2/0              enp46s0         network        MT27500 Family [ConnectX-3]
 +/4                        enp46s0d1       network        MT27500 Family [ConnectX-3]</code>
 +
 +===== Rychlost síťových rozhraní =====
 +
 +<code>sudo ethtool eth0 | grep Speed</code>
  
 ===== Shellovinky ===== ===== Shellovinky =====
Line 366: Line 431:
 === Poslání mailu z shellu, specifikace odesílatele ("From:") === === Poslání mailu z shellu, specifikace odesílatele ("From:") ===
 <code bash>mail -s 'Some Subject' -r 'First Last <you@example.com>' recipient@example.net</code> <code bash>mail -s 'Some Subject' -r 'First Last <you@example.com>' recipient@example.net</code>
 +
 +=== rsync ===
 +<code bash>time rsync -avP --exclude '.recycle' /zdrojovy/adresar/ /cilovy/adresar/</code>
linux_skodi.1599172523.txt.gz · Last modified: 2022/03/16 09:38 (external edit)

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