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--- public:linuxpermition [2023/07/26 19:03] – lukas
+++ public:linuxpermition [2026/10/24 08:01] (current) – lukas
@@ Line 4: / Line 4: @@
 </code>
 , which would change the permissions on the current directory, and then recurse down inside of it and all subfolders to change the permissions.
+<code>
+chmod -R 666 /var/www
+</code>
+will give read, write permissions for everyone.
+Partitions:
+<code>
+lsblk -f
+</code>
+or:
+<code>
+# file -sL /dev/sd*
+</code>
+result:
+<code>
+/dev/sda1: Linux rev 1.0 ext4 filesystem data, UUID=63fa0104-4aab-4dc8-a50d-e2c1bf0fb188 (extents) (large files) (huge files)
+/dev/sdb1: Linux rev 1.0 ext2 filesystem data, UUID=b3c82023-78e1-4ad4-b6e0-62355b272166
+/dev/sdb2: Linux/i386 swap file (new style), version 1 (4K pages), size 4194303 pages, no label, UUID=3f64308c-19db-4da5-a9a0-db4d7defb80f
+</code>
+Check ext2 ,ext3, ext4 partition:
+<code>
+sudo umount /dev/sdXN
+sudo e2fsck -f -n /dev/sdXN
+</code>
+-n reports issues without making changes. If you want e2fsck to repair errors interactively, rerun without -n:
+<code>
+sudo e2fsck -f /dev/sdXN
+</code>
+Pack:
+<code>
+tar czf name_of_archive_file.tar.gz name_of_directory_to_tar
+</code>
+Unpack:
+<code>
+tar -xzvf file.tar.gz
+</code>
+[[https://linuxize.com/post/how-to-use-scp-command-to-securely-transfer-files/|SCP]]:
+<code>
+scp [OPTION] [user@]SRC_HOST:]file1 [user@]DEST_HOST:]file2
+</code>
+Rsync to NTFS filesystem (rsync have to be installed on boths machines)
+<code>
+rsync -rtv --modify-window=1 [user@]SRC_HOST:]file1 [user@]DEST_HOST:]file2
+</code>
+Password less SSH
+http://www.linuxproblem.org/art_9.html
+<code>
+cat .ssh/id_ed25519.pub | ssh b@B 'cat >> .ssh/authorized_keys'
+</code>
+[[https://www.stationx.net/how-to-use-nmap-to-scan-a-network/|Scan network]]:
+<code>
+sudo nmap -sn 192.168.0.0/24
+</code>
+https://reintech.io/blog/setting-up-nfs-server-on-debian-12
+Add PPA Debian:
+<code>
+sudo apt -y install software-properties-common python3-launchpadlib
+</code>
+Hex Editors for Linux
+<code>
+sudo apt install hexedit
+</code>