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--- computers:linux:start [2023/02/06 20:15] – wikiadmin
+++ computers:linux:start [2024/08/18 15:06] (current) – wikiadmin
@@ Line 1: / Line 1: @@
 ====== Linux ======
-==== serial console ====
+I primarily use Debian based distros but often use others such as Mint, Ubuntu, and Oracle Linux.
-=== Oracle Linux ===
+{{indexmenu>:computers:linux#1|js navbar nocookie}}
-  * NON-EFI
-<code>
-# cat /etc/default/grub
-GRUB_TIMEOUT=5
-GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
-GRUB_DEFAULT=saved
-GRUB_DISABLE_SUBMENU=true
-GRUB_TERMINAL="console serial"
-GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
-GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=ol/root"
-GRUB_CMDLINE_LINUX_DEFAULT="console=ttyS0,115200"
-GRUB_DISABLE_RECOVERY="true"
-# grub2-mkconfig -o /boot/grub2/grub.cfg
-</code>
-\\
-  * EFI
-<code>
-# cat /etc/default/grub
-GRUB_TIMEOUT=5
-GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
-GRUB_DEFAULT=saved
-GRUB_DISABLE_SUBMENU=true
-GRUB_TERMINAL="console serial"
-GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
-GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=ol/root rd.lvm.lv=ol/swap"
-GRUB_CMDLINE_LINUX_DEFAULT="console=ttyS0,115200"
-GRUB_DISABLE_RECOVERY="true"
-# for f in /boot/vm*; do grubby --info $f; done
-# for f in /boot/vm*; do grubby --remove-args="rhgb quiet" --args="console=ttyS0,115200" --update-kernel=$f; done
-# for f in /boot/vm*; do grubby --info $f; done
-# grub2-mkconfig -o /boot/efi/EFI/*/grub.cfg
-</code>
-==== iSCSI Initiator ====
-=== Oracle Linux ===
-  - Install the package <code># dnf install iscsi-initiator-utils</code>
-  - Discover targets <code># iscsiadm -m discovery -t sendtargets -p SCSI_TARGET_SERVER</code>
-  - Display target information <code># iscsiadm -m discoverydb -t st -p SCSI_TARGET_SERVER</code>
-  - Establish a session <code># iscsiadm -m node -T iqn.XXX... -p SCSI_TARGET_SERVER:3260 -l</code>
-  - Verify session <code># iscsiadm -m session -P 3</code>
-  - When adding an iSCSI LUN to the fstab, use the _netdev option<code>UUID=xxx... /MP ext4 _netdev 0 0</code>
-  - Log out of session<code># iscsiadm -m node -T iqn.XXX... -p SCSI_TARGET_SERVER:3260 --logout</code>
-  - Remove target from database<code># iscsiadm -m node -T iqn.XXX... -p SCSI_TARGET_SERVER:3260 -o delete</code>
-  - If target server has gone away, entries can be removed manually<code># rm -rf /var/lib/iscsi/nodes/TARGET</code>

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