minor changes

archlinux.md

@@ -15,9 +15,4 @@ journalctl --disk-usage && journalctl --vacuum-size={size}M
 ```
 or prepare the file`/etc/systemd/journald.conf` and this value:`SystemMaxUse=50M`
 
-create for all btrfs filesystems a regulary scrub timer.
-```bash
-for p in $(lsblk -nflo FSTYPE,MOUNTPOINT | awk '$1=="btrfs"{print $2}'); do systemctl enable --now "btrfs-scrub@$(systemd-escape -p "$p").timer"; systemctl start "btrfs-scrub@$(systemd-escape -p "$p").service"; done
-```
-the manual way of creating is eating the correct escape.
 

backupNAS.md

@@ -2,7 +2,7 @@
 keywords:
   - IT
 ---
-## Backup NAS
+## Backup odroid NAS
 
 ```
 /dev/mmcblk0
@@ -53,10 +53,3 @@ dar -c /mnt/backup/etc_initial --compression=lzo -s 50M -M -R /etc --hash sha1 -
 Nextcloud
 --täglich Datenbank Dump und cloud_data
 -verschlüsselt 
-
-systemc	tl stop nginx
-systemctl stop php5-fpm
-rsync -Aax nextcloud/ nextcloud-dirbkp_`date +"%Y%m%d"`/
-mysqldump --lock-tables -h [server] -u [username] -p[password] [db_name] > nextcloud-sqlbkp_`date +"%Y%m%d"`.bak
-systemctl start nginx
-systemctl start php5-fpm

dslr.md

@@ -9,7 +9,7 @@ keywords:
 - [ ] Quick strap hama
 - [ ] Festbrennweite 85mm 1.8
 - [ ] Teleobjekt
-- [ ] Nikon CF-N3000: Kamera-Einschlagtuch __
+- [ ] _Nikon CF-N3000: Kamera-Einschlagtuch _
 - [x] Polfilter Haida Pro II Digital Slim Polfilter Zirkular MC
 - [x] Gegenlichtblende/Sonnenblende PROFOX LH-73D 67mm
 - [x] Reinigungsutensilien

edms.md

@@ -8,5 +8,12 @@ paperwork
 Hardware-OCR
 
 ## OCR
+https://github.com/ocrmypdf/OCRmyPDF
+https://ocrmypdf.readthedocs.io/en/latest/batch.html
+To generate manually an OCR pdf rund this after the folder change.
+```bash
+find . -printf '%p' -name '*.pdf' -exec ocrmypdf '{}' '{}' \;
+```
+to run this automatically a watcher exisist, but is not default.
 
 ## Dateihandling

filesystems.md

@@ -0,0 +1,34 @@
+# Filesystems
+## btrfs
+### btrfs scrub
+As a copy-on-write (COW) filesystem btrfs can compensate some errors from the underlying storage
+
+##### systemd handling
+create for all btrfs filesystems a regulary scrub timer.
+```bash
+for p in $(lsblk -nflo FSTYPE,MOUNTPOINT | awk '$1=="btrfs"{print $2}'); do systemctl enable --now "btrfs-scrub@$(systemd-escape -p "$p").timer"; systemctl start "btrfs-scrub@$(systemd-escape -p "$p").service"; done
+```
+the manual way of creating is eating the correct escape.
+
+###
+
+### ATA/SMART
+#### hdparm
+with hdparm you can activate the write-verify `-R1` handling, if the drive has got this feature. Most consumer devices do not have this. Otherwise hdparm is more for the temporary set of AAM or APM, ATAsecurity, DCO, e.g.
+```
+/dev/sdb: [SSD]
+ multcount     =  0 (off)
+ IO_support    =  1 (32-bit)
+ readonly      =  0 (off)
+ readahead     = 256 (on)
+ geometry      = 31130/255/63, sectors = 500118192, start = 0
+
+/dev/sda: [HDDD]
+ multcount     = 16 (on)
+ IO_support    =  1 (32-bit)
+ readonly      =  0 (off)
+ readahead     = 256 (on)
+ geometry      = 60801/255/63, sectors = 976773168, start = 0
+```
+#### smartmontools
+the smartmontools contains mainly two features: the smart daemon and the smartctl tool. `smartctl` controls the SMART features of a drive, `smartd` usually surveille and run tests as a daemon with it. 

hardware-list.md

@@ -6,7 +6,7 @@ keywords:
 # hardware list
 
 ### USB SATA enclosure
-currently broken, firmware not updatable
+firmware not updatable due missing SPI flash
 ```
 Inateck 2,5" Gehäuse (ASMT 2115 USB)
 ASMedia 1153 - B1PU73D7A0 1809
@@ -22,6 +22,7 @@ Manufacturer: ASMT
 SerialNumber: 00000000000000000000
 Port#0: VID=0x174C PID=0x55aa, Device Config: VID=0x174C PID=0x55AA, Rev. 0x0100
 ```
+currently no firmware available
 ```
 Inateck 2,5" Gehäuse (ASMT 2115 USB)
 ASMedia 225CM - B4PW1637A2 2143  +SPI Flash

recharblepowerdevices.md

@@ -15,10 +15,8 @@ keywords:
 
 ###  IOT
  - living room
- - bath
- - outdoor
- - office
- - kitchen
+  - kitchen
+ 
 ### misc
  - xiaomi Mijia LYWSD03MMC
  - torch light [18650]

ssh-reverse-tunnel-service.md

@@ -7,8 +7,6 @@ keywords:
     
   - persistent reverse SSH connection with systemd
 
-
-
 ```
     -g  Allows remote hosts to connect to local forwarded ports
     -N  Do not execute a remote command