Differences

This shows you the differences between two versions of the page.

--- sles_12_update_schulung [2016/07/15 08:48] – michael
+++ sles_12_update_schulung [2021/04/24 07:40] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== Übgungsaufgabe 1 (Startskripte): ======
+====== Startskripte ======
@@ Line 24: / Line 24: @@
-====== Übung 2: chkconfig ======
+====== chkconfig ======
@@ Line 64: / Line 64: @@
-====== Übung 3 Eigener Runlevel ======
+====== Eigener Runlevel ======
   2016-07-14 11:41:38 cp -P ../rc3.d/* .
@@ Line 345: / Line 345: @@
-====== LVM Übgung ======
+====== LVM  ======
 Create Physical Volume
@@ Line 607: / Line 607: @@
 Metadata, single: total=8.00MiB, used=0.00B
 GlobalReserve, single: total=16.00MiB, used=0.00B
+== Filesystem ausbalancieren ==
+btrfs balance start /mnt
+btrfs balance status /mnt
+btrfs balance cancel /mnt
+btrfs balance pause /mnt
+btrfs balance resume /mnt
+== Snapshots ==
+Subvolume2 unterhalb Subvolume1, wird beim snap von Subvolume1 _nicht_ mitgesnapped
+SLES12:/mnt/NEU/test # btrfs subvolume snapshot /mnt/NEU/test/subvolume /mnt/NEU/test/subvolume/snap
+Create a snapshot of '/mnt/NEU/test/subvolume' in '/mnt/NEU/test/subvolume/snap'
+SLES12:/mnt/NEU/test/subvolume # ls -lR
+.:
+total 4
+drwxr-xr-x 1 root root    6 Jul 15 12:48 ordner1
+-rw-r--r-- 1 root root** 2929** Jul 15 12:53 passwd
+drwxr-xr-x 1 root root   26 Jul 15 12:48 snap
+./ordner1:
+total 0
+-rw-r--r-- 1 root root 0 Jul 15 12:48 abc
+./snap:
+total 4
+drwxr-xr-x 1 root root    6 Jul 15 12:48 ordner1
+-rw-r--r-- 1 root root **1633** Jul 15 12:48 passwd
+./snap/ordner1:
+total 0
+-rw-r--r-- 1 root root 0 Jul 15 12:48 abc
+cp --reflink
+       --reflink[=WHEN]
+       control clone/CoW copies. See below
+       When --reflink[=always] is specified, perform a lightweight copy, where the data blocks are copied only when modified.  If this is not possible the copy fails, or if
+       --reflink=auto is specified, fall back to a standard copy.
+SLES12:/ # snapper list
+Type   | # | Pre # | Date                     | User | Cleanup | Description           | Userdata
+-------+---+-------+--------------------------+------+---------+-----------------------+--------------
+single | 0 |       |                          | root |         | current               |
+single | 1 |       | Tue Mar 15 12:29:47 2016 | root |         | first root filesystem |
+single | 2 |       | Tue Mar 15 12:40:02 2016 | root | number  | after installation    | important=yes
+pre    | 3 |       | Thu Jul 14 12:22:57 2016 | root | number  | yast firewall         |
+post   | 4 | 3     | Thu Jul 14 12:23:18 2016 | root | number  |                       |
+single | 5 |       | Fri Jul 15 15:03:51 2016 | root |         |                       |
+SLES12:/ # snapper diff 3..4
+--- /.snapshots/3/snapshot/etc/sysconfig/SuSEfirewall2  2016-03-15 12:39:22.240000500 +0100
++++ /.snapshots/4/snapshot/etc/sysconfig/SuSEfirewall2  2016-07-14 12:23:18.107298481 +0200
+@@ -318,7 +318,7 @@
+ # FW_SERVICES_ACCEPT_*
+ #
+ # Example: "samba-server nfs-kernel-server"
+-FW_CONFIGURATIONS_EXT=""
++FW_CONFIGURATIONS_EXT="sshd"
+ ## Type:       string
+ #
+@@ -1068,7 +1068,7 @@
+ #
+ # See also FW_SERVICES_ACCEPT_RELATED_EXT
+ #
+-FW_LOAD_MODULES=""
++FW_LOAD_MODULES="nf_conntrack_netbios_ns"
+ ## Type:       string
+ ## Default:
+Binary files /.snapshots/3/snapshot/root/.local/share/gvfs-metadata/home and /.snapshots/4/snapshot/root/.local/share/gvfs-metadata/home differ
+Binary files /.snapshots/3/snapshot/root/.local/share/gvfs-metadata/home-65f4037a.log and /.snapshots/4/snapshot/root/.local/share/gvfs-metadata/home-65f4037a.log differ
+Binary files /.snapshots/3/snapshot/root/.local/share/gvfs-metadata/home-92bf047e.log and /.snapshots/4/snapshot/root/.local/share/gvfs-metadata/home-92bf047e.log differ
+SLES12:/etc # snapper diff 6..7 /etc/resolv.conf
+--- /.snapshots/6/snapshot/etc/resolv.conf      2016-07-15 10:04:25.000638268 +0200
++++ /.snapshots/7/snapshot/etc/resolv.conf      2016-07-15 15:21:40.169334418 +0200
+@@ -17,5 +17,3 @@
+ # file and in case of a "netconfig update -f" call.
+ #
+ ### Please remove (at least) this line when you modify the file!
+-search localdomain
+-nameserver 192.168.24.2
+== Zurückgehen auf einen vorherigen Stand ==
+SLES12:/etc # snapper undochange 6..7
+create:12 modify:3 delete:0