edit metadata

system/Makefiles.md

@@ -1,6 +1,6 @@
 ---
 title: "Makefiles"
-tags: [ "system", "makefiles" ]
+tags: [ "system", "make" ]
 ---
 
 The `make` system wants to know:
@@ -11,7 +11,7 @@ The `make` system wants to know:
 
 Start with a basic test-area.
 
-```bash
+```sh
 mkdir make_test ; cd $_
 printf "%s:\n" README.md > Makefile
 printf "\t%s\n" 'echo "Basic makefile example." > $@' >> Makefile
@@ -32,8 +32,6 @@ README.md: Makefile
 	echo '```' >> $@
 	cat $< >> $@
 	echo '```' >> $@
-
-
 ```
 
 Note the order:
@@ -92,7 +90,7 @@ $(storage_directory)/README.md: README.md
 
 Now you can tell `make` to create the backup:
 
-```bash
+```sh
 make backups/README.md
 ```
 

system/Makefiles/graph-easy.md

@@ -1,6 +1,6 @@
 ---
 title: "Makefile Graphs"
-tags: [ "system", "makefiles", "graph" ]
+tags: [ "system", "make", "graph" ]
 ---
 
 If you have `graph-easy` (often in the package `perl-graph-easy` or similar), you can make a graph from the makefile with `make2graph` (the package is often called `makefile2graph`).

system/Makefiles/help.md

@@ -1,6 +1,6 @@
 ---
 title: "Makefiles"
-tags: [ "system", "makefiles", "help" ]
+tags: [ "system", "make", "help" ]
 ---
 
 Make your first target 'help' to give an overview of the main targets.

system/Makefiles/patterns.md

@@ -1,7 +1,7 @@
 
 ---
 title: "Makefile Patterns"
-tags: [ "system", "makefiles" ]
+tags: [ "system", "make" ]
 ---
 
 Using the [basic example](../Makefile.md), you can make a complete backup of all backup files.
@@ -27,7 +27,6 @@ backups/backup.tgz: backups/backup_29.md backups/backup_30.md
     tar czf backups/backup.tgz backups/backup_29.md backups/backup_30.md
 ```
 
-
 The phony `backup` target should now point to this tar backup.
 
 

system/awk.md

@@ -1,6 +1,6 @@
 ---
 title: "awk"
-tags: [ "System" ]
+tags: [ "System", ".csv" ]
 ---
 # Basics
 

system/bash_tricks.md

@@ -30,7 +30,7 @@ There are a bunch of files:
 
 Goal: swap the word "Column" for "Alice" in all files.
 
-```
+```sh
 IFS=$'\n'
 for f in $(find . -name "Col*"); do
 mv "$f" $(echo "$f" | sed s/Column/Alice/)

system/character-encoding.md

@@ -1,26 +1,24 @@
 ---
 title: "character-encoding"
-tags: [ "System" ]
+tags: [ "System", "encoding" ]
 ---
+
 Convert a text file from one encoding type to another with:
 
-```bash
+```sh
 iconv -f ascii -t utf8 oldfilename > newfilename
 ```
 
 Available options are:
 
-* ISO-8859-15
-
-* UTF-8
-
-* ASCII
-
-* Lots more
+- ISO-8859-15
+- UTF-8
+- ASCII
+- Lots more
 
 Generate a full list of encoding types available with:
 
-```bash
+```sh
 iconv -l
 ```
 

system/deduplicate.md

@@ -1,6 +1,6 @@
 ---
 title: "deduplicate"
-tags: [ "system", "deduplicate", "duplicates", "maintenance" ]
+tags: [ "system", "deduplicate", "maintenance", "storage" ]
 ---
 
 `rdfind`: find duplicate files, then delete them, or turn them into links.

system/editors.md

@@ -1,27 +1,24 @@
 ---
 title: "$EDITOR"
-tags: [ "System" ]
+tags: [ "system" ]
 ---
 The System's default text editor can be defined within /etc/profile.  It's given the variable `EDITOR`.
 
-Add these lines to `/etc/profile.d/local.sh`:
-
-```
-
-export EDITOR=vim
-
-export VISUAL=$EDITOR
+Add these lines to `/etc/profile.d/custom.sh`:
 
+```sh
+echo 'export EDITOR=vim' >> /etc/profile.d/custom.sh
+echo 'export VISUAL=$EDITOR' >> /etc/profile.d/custom.sh
 ```
 
 Then reload that profile with:
 
-```bash
+```sh
 source /etc/profile
 ```
 
 If you want to ensure `nano` never appears again:
 
-```bash
+```sh
 sudo ln -sf $(which vim) $(which nano)
 ```

system/fstab.md

@@ -1,6 +1,6 @@
 ---
 title: "fstab"
-tags: [ "System" ]
+tags: [ "system", "disk" ]
 ---
 # Basics
 
@@ -29,7 +29,7 @@ Ignore this obsolete option.
 ## 6: Pass
 
 | Number | Meaning               |
-|        |                       |
+|:------:|:---------------------:|
 |   0    | Swap (or not mounted) |
 |   1    | Mount at /            |
 |   2    | Mount somewhere else  |
@@ -37,5 +37,5 @@ Ignore this obsolete option.
 ## Options
 
 - `nofail` means the computer will not fail to boot, even if the drive fails, or is unplugged. It's a good option for everything except `/`.
-- noauto means 'don't mount on boot' (but you can still mount with `mount -a`).
+- `noauto` means 'don't mount on boot' (but you can still mount with `mount -a`).
 

system/kernel.md

@@ -1,41 +1,41 @@
 ---
 title: "kernel"
-tags: [ "System" ]
+tags: [ "system" ]
 ---
-Check which kernet modules are loaded into memory
 
-```bash
-sudo /sbin/lsmod 
+Check which kernel modules are loaded into memory:
+
+```sh
+su root
+/sbin/lsmod 
 ```
 
 Check which virtual box modules are loaded into memory
 
-```bash
-sudo /sbin/lsmod | grep vbox 
+```sh
+/sbin/lsmod | grep vbox 
 ```
 
 Virtual box is using vboxpci, vboxnetadp, vboxnetflt, vboxdr.
 
 Look at what's claiming wifi:
 
-```bash
-sudo lshw -C network
+```sh
+lshw -C network
 ```
 
 If this shows that the device is 'unclaimed' then it's time to add a module, e.g. ath9k.
 
-```bash
-sudo modprobe ath9k
+```sh
+modprobe ath9k
 ```
 
 Modules can also be 'restarted' by removing and adding them, e.g. the video module, 'uvcvideo':
 
-```bash
-sudo rmmod uvcvideo
+```sh
+rmmod uvcvideo
 ```
 
-```bash
-sudo modprobe uvcvideo
+```sh
+modprobe uvcvideo
 ```
-
-

system/lf.md

@@ -1,6 +1,6 @@
 ---
 title: "lf - The Light File Manager"
-tags: [ "File Browser" ]
+tags: [ "File Browser", "TUI" ]
 ---
 
 ## Config File

system/mdadm.md

@@ -1,6 +1,6 @@
 ---
 title: "mdadm"
-tags: [ "RAID" ]
+tags: [ "RAID", "disk" ]
 ---
 # RAID5
 

system/monitoring.md

@@ -15,6 +15,7 @@ Show memory usage in Gibitytes.
 ```bash
 free -g
 ```
+
 Show low and high gigibtye usage on a *l*ine, and repeat the measurement every 5 seconds:
 
 ```bash

system/partitions.md

@@ -2,10 +2,12 @@
 title: "partitions"
 tags: [ "System" ]
 ---
+
 # FDisk Basics
 
-```bash
-sudo fdisk /dev/sda
+```sh
+su root
+fdisk /dev/sda
 ```
 
 - m for help.
@@ -31,20 +33,20 @@ fdisk will not help with a GPT formatted drive.  For this, use gdisk, which is m
 
 Now that we have a partition, we can make it into a fileSystem.  Most will use:
 
-```bash
-sudo mkfs -t ext4 /dev/sdc1
+```sh
+mkfs -t ext4 /dev/sdc1
 ```
 
 or if you're making a swap partition, you can use:
 
-```bash
-sudo mkswap /dev/sdb2
+```sh
+mkswap /dev/sdb2
 ```
 
 or for the reiser fileSystem, we can use:
 
-```bash
-sudo mkreiserfs /dev/sdc2
+```sh
+mkreiserfs /dev/sdc2
 ```
 
 # File System Types
@@ -61,86 +63,86 @@ sudo mkreiserfs /dev/sdc2
 
 # Parted
 
-```bash
-sudo parted /dev/sdb
+```sh
+parted /dev/sdb
 ```
 
 
 # Monitoring
 Look at physical and virtual partitions:
 
-```bash
+```sh
 df -h
 ```
 
 or  divide things by inode - the thing which records where files are?
 
-```bash
+```sh
 df -i
 ```
 
 Examine a fileSystem with:
 
-```bash
-sudo dumpe2fs /dev/sda1 | less
+```sh
+dumpe2fs /dev/sda1 | less
 ```
 
 # Prevention
 There are multiple programs which work mostly the same way.
 
-```bash
-sudo tune2fs -c 30 /dev/sda1
+```sh
+tune2fs -c 30 /dev/sda1
 ```
 
 This will check sda1 every 30 boots.  It can also be checked every month.
 
-```bash
-sudo tune2fs -i 1m /dev/sda1
+```sh
+tune2fs -i 1m /dev/sda1
 ```
 
 This thing can also make a new label for the System:
 
-```bash
-sudo tune2fs -L new_name /dev/sdb3
+```sh
+tune2fs -L new_name /dev/sdb3
 ```
 
 # Repair
 Start by unmounting the fileSystem.
 
-```bash
-sudo umount /dev/sdc1
+```sh
+umount /dev/sdc1
 ```
 
 Then it's time to check. 
 
-```bash
-sudo fsck /dev/sdc1
+```sh
+fsck /dev/sdc1
 ```
 
 And possibly repair damage:
 
-```bash
+```sh
 e2fsck -p /dev/sdc1
 ```
 
 
 or the same with:
 
-```bash
-sudo debugfs /dev/sdc1
+```sh
+debugfs /dev/sdc1
 ```
 
 # Mounting
 You can mount with a specified filetype with:
 
-```bash
-sudo mount -t ext3 /dev/sdc2 /mnt/stick
+```sh
+mount -t ext3 /dev/sdc2 /mnt/stick
 ```
 
 or if you don't know the type, just try the lot:
 
-```bash
-sudo mount -a /dev/sdc1 /mnt/stick
+```sh
+mount -a /dev/sdc1 /mnt/stick
 ```
 
 # File Systems
@@ -152,35 +154,35 @@ NB: When I followed these instructions, the process destroyed my data. Seemed fi
 
 Check the fileSystem's health:
 
-```bash
-sudo e2fsck -f /dev/sdb1
+```sh
+e2fsck -f /dev/sdb1
 ```
 
 Resize the file System to something smaller than what you want, so here I want 500G and so I resize to 450 G.
 
-```bash
+```sh
 resize2fs /dev/sdb1 450G
 ```
 
 Then delete the partition with either gdisk or fdisk, depending upon the layout.
 
-```bash
-sudo fdisk /dev/sdb
+```sh
+fdisk /dev/sdb
 ```
 
-```bash
+```sh
 d
 ```
 
 Then make a new fileSystem of the desired type with:
 
-```bash
+```sh
 n
 ```
 
 And finally resize to the full size you want:
 
-sudo resize2fs /dev/sdb1
+resize2fs /dev/sdb1
 
 And then check your disk again with e2fsck.
 
@@ -193,20 +195,18 @@ Let's start with names.  PV = 'Physical Volume', VG = 'Volume Group', and LV = '
 
 Now we can create a volume group out of sdb2 and sdc3:
 
-```bash
-sudo vgcreate my-new-vg /dev/sdb2 /dev/sdc3
+```sh
+vgcreate my-new-vg /dev/sdb2 /dev/sdc3
 ```
 
 Then make a new logical volume out of the volume group:
 
-```bash
-sudo lvcreate -n my-new-lv my-new-vg
+```sh
+lvcreate -n my-new-lv my-new-vg
 ```
 
 Then have a look at all logical volumes:
 
-```bash
-sudo lvscan
+```sh
+lvscan
 ```
-
-

system/swap.md

@@ -4,49 +4,47 @@ tags: [ "basics" ]
 ---
 # Making a Swap File
 
-```bash
+```sh
+su root
 cd /var/cache/
-```
-
-```bash
-sudo dd if=/dev/zero of=swapfile bs=1K count=4M
+dd if=/dev/zero of=swapfile bs=1K count=4M
 ```
 
 This creates a swapfile of (1k x 4M) 4 Gigs.
 Change 4M to XM for an XGig swap.
 
-```bash
-sudo chmod 600 swapfile
+```sh
+chmod 600 swapfile
 ```
 
-```bash
-sudo mkswap swapfile
+```sh
+mkswap swapfile
 ```
 
-```bash
-sudo swapon swapfile
+```sh
+swapon swapfile
 ```
 
 Test it's working with top
 
-```bash
+```sh
 top -bn1 | grep -i swap
 ```
 
 or:
 
-```bash
-echo "/var/cache/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab
+```sh
+echo "/var/cache/swapfile none swap sw 0 0" | tee -a /etc/fstab
 ```
 
 Test it'll work at boot with:
 
-```bash
-sudo swapoff swapfile
+```sh
+swapoff swapfile
 ```
 
-```bash
-sudo swapon -va
+```sh
+swapon -va
 ```
 
 # Partition Swaps
@@ -57,13 +55,13 @@ Put this in /etc/fstab:
 
 Then test it works with:
 
-```bash
-sudo swapon -va
+```sh
+swapon -va
 ```
 
 Test other partitions in fstab with:
 
-```bash
-sudo mount -a
+```sh
+mount -a
 ```
 

system/tmux.md

@@ -1,10 +1,10 @@
 ---
 title: "tmux"
-tags: [ "System" ]
+tags: [ "system" ]
 ---
 Start with:
 
-```bash
+```sh
 tmux
 ```
 
@@ -34,21 +34,21 @@ In addition to Windows, there are panes.
 
 Crate a new session with the name 'backup'.
 
-```bash
+```sh
 tmux new -s backup
 ```
 
 List sessions:
 
-```bash
+```sh
 tmux list-sessions
 ```
 
-```bash
+```sh
 tmux kill-session -t 2
 ```
 
-```bash
+```sh
 tmux attach -t backup
 ```