diff --git a/bash/bash_aliases b/bash/bash_aliases
index 2ac4704..d70430d 100644
--- a/bash/bash_aliases
+++ b/bash/bash_aliases
@@ -1,25 +1,3 @@
-# User specific aliases and functions
-alias cdpex='cd ~/Documents/Education/UniBas/FS23/pids23/exercises/pids_2023/exercises/'
-alias uni23='cd ~/Nextcloud/Documents/Unibas/HS23/'
-alias thoc='cd ~/Nextcloud/Documents/Unibas/FS23/thoc/'
-alias inetsec='cd ~/Nextcloud/Documents/Unibas/FS23/inetsec/'
-#cd into os alias 
-alias os='cd ~/Nextcloud/Documents/Unibas/FS23/os/' 
-alias pkvps='cd ~/Nextcloud/Documents/Unibas/FS23/pkvps/'
-alias pids='cd ~/Nextcloud/Documents/Unibas/FS23/pids/'
-alias pr23='cd ~/Documents/Education/UniBas/HS23/pr23/'
-alias db23='cd ~/Documents/Education/UniBas/HS23/databases/'
-alias pet23='cd ~/Documents/Education/UniBas/HS23/pethpc23/'
-alias diskmath='cd ~/Documents/Education/UniBas/HS23/diskmath-tutorat23/'
-alias pullbooks='rsync -av ~/Nextcloud/Books/ ~/Books'
-alias pushbooks='rsync -av ~/Books/ ~/Nextcloud/Books'
-alias pushfs24='rsync -uav --exclude=".*" --exclude="__*" --exclude="/venv" ~/documents/education/unibas/fs24/ ~/Nextcloud/Documents/Unibas/FS24'
-alias pullfs24='rsync -uav --exclude=".*" ~/Nextcloud/Documents/Unibas/FS24/ ~/documents/education/unibas/fs24'
-alias fs24l='cd ~/documents/education/unibas/fs24'
-alias fs24c='cd ~/Nextcloud/Documents/Unibas/FS24'
-alias sdev='ssh sebl@slenzlinger.dev'
-alias sslenz='ssh fm18b_sebaschi@slenzlinger.ch'
-
 #
 # eza aliases
 #
@@ -36,18 +14,48 @@ alias l='eza -CF'
 alias g='git'
 alias gs='git status'
 alias ga='git add'
+alias gaa='git add --all'
+
 alias gc='git commit'
 alias gcm='git commit -m'
 alias gca='git commit --amend'
+
 alias gco='git checkout'
 alias gcb='git checkout -b'
+
 alias gcp='git cherry-pick'
 alias gcl='git clone'   
-alias gpr='git pull --rebase'
+
+alias gplr='git pull --rebase'
+alias gpl='git pull'
 alias gpo='git push origin'
 alias gpf='git push --force'
-alias gpl='git pull'
+# git log aliases
 alias glog='git log --oneline --graph --decorate'
 alias gloga='git log --oneline --graph --decorate --all'
-alias glod='git log --graph --pretty='%Cred%h%Creset -%C(auto)%d%Creset %s %Cgreen(%ad) %C(bold blue)<%an>%Creset'
-alias glods='git log --graph --pretty='%Cred%h%Creset -%C(auto)%d%Creset %s %Cgreen(%ad) %C(bold blue)<%an>%Creset' --date=short'
+alias glod='git log --graph --pretty="%Cred%h%Creset -%C(auto)%d%Creset %s %Cgreen(%ad) %C(bold blue)<%an>%Creset"'
+alias glods='git log --graph --pretty="%Cred%h%Creset -%C(auto)%d%Creset %s %Cgreen(%ad) %C(bold blue)<%an>%Creset" --date=short'
+
+#termbin
+alias tb='nc termbin.com 9999'
+
+# get error messages from journalctl
+alias jerr='journalctl -p 3 -xb'
+# get warning messages from journalctl
+alias jwarn='journalctl -p 4 -xb'
+# get critical messages from journalctl
+alias jcrit='journalctl -p 2 -xb'
+# get emergency messages from journalctl
+alias jemerg='journalctl -p 0 -xb'
+
+# get status of all services
+alias jstat='systemctl list-units --type=service --state=running'
+# get status with failed services
+alias jstatf='systemctl list-units --type=service --state=failed'
+
+# history
+alias histg='history | grep'
+
+# get my ip
+alias myip='curl ifconfig.me'
+#TODO: get my ipv4
diff --git a/bash/bash_functions b/bash/bash_functions
new file mode 100644
index 0000000..aaea6af
--- /dev/null
+++ b/bash/bash_functions
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+### ARCHIVE EXTRACTION
+# usage: ex <file>
+function ex {
+ if [ -z "$1" ]; then
+    # display usage if no parameters given
+    echo "Usage: ex <path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>"
+    echo "       extract <path/file_name_1.ext> [path/file_name_2.ext] [path/file_name_3.ext]"
+ else
+    for n in "$@"
+    do
+      if [ -f "$n" ] ; then
+          case "${n%,}" in
+            *.cbt|*.tar.bz2|*.tar.gz|*.tar.xz|*.tbz2|*.tgz|*.txz|*.tar)
+                         tar xvf "$n"       ;;
+            *.lzma)      unlzma ./"$n"      ;;
+            *.bz2)       bunzip2 ./"$n"     ;;
+            *.cbr|*.rar)       unrar x -ad ./"$n" ;;
+            *.gz)        gunzip ./"$n"      ;;
+            *.cbz|*.epub|*.zip)       unzip ./"$n"       ;;
+            *.z)         uncompress ./"$n"  ;;
+            *.7z|*.arj|*.cab|*.cb7|*.chm|*.deb|*.dmg|*.iso|*.lzh|*.msi|*.pkg|*.rpm|*.udf|*.wim|*.xar)
+                         7z x ./"$n"        ;;
+            *.xz)        unxz ./"$n"        ;;
+            *.exe)       cabextract ./"$n"  ;;
+            *.cpio)      cpio -id < ./"$n"  ;;
+            *.cba|*.ace)      unace x ./"$n"      ;;
+            *)
+                         echo "ex: '$n' - unknown archive method"
+                         return 1
+                         ;;
+          esac
+      else
+          echo "'$n' - file does not exist"
+          return 1
+      fi
+    done
+fi
+}
+
+function ensure {
+  if [ -z "$1" ]; then
+    echo "Usage: ensure <command>"
+  else
+    if ! command -v $1 &> /dev/null
+    then
+        echo "$1 could not be found"
+    fi
+  fi
+}
diff --git a/bash/bashrc b/bash/bashrc
index 9566b3d..c1ad5cf 100644
--- a/bash/bashrc
+++ b/bash/bashrc
@@ -26,7 +26,9 @@ fi
 
 unset rc
 
-source /home/slnopriv/alacritty/extra/completions/alacritty.bash
+if ! source /home/slnopriv/alacritty/extra/completions/alacritty.bash; then
+    echo "Failed to source alacritty completions"
+fi
 eval "$(starship init bash)"
 
 # >>> conda initialize >>>
@@ -45,7 +47,12 @@ unset __conda_setup
 # <<< conda initialize <<<
 #Source aliases
 source ~/.bash_aliases
+source ~/.fedora_aliases
 export PATH="~/scripts:$PATH"
+# Souecw functions
+source ~/.bash_functions
+
+
 # !! Contents within this block are managed by juliaup !!
 
 case ":$PATH:" in
diff --git a/bash/fedora_aliases b/bash/fedora_aliases
new file mode 100644
index 0000000..b6b9fe7
--- /dev/null
+++ b/bash/fedora_aliases
@@ -0,0 +1,38 @@
+alias dnfs='dnf search'
+alias dnfl='dnf list'
+alias dnfli='dnf list installed'
+
+# Using sudo
+alias dnfu='sudo dnf upgrade'
+alias dnfi='sudo dnf install'
+alias dnfr='sudo dnf remove'
+
+# User specific aliases and functions
+alias cdpex='cd ~/Documents/Education/UniBas/FS23/pids23/exercises/pids_2023/exercises/'
+alias uni23='cd ~/Nextcloud/Documents/Unibas/HS23/'
+alias thoc='cd ~/Nextcloud/Documents/Unibas/FS23/thoc/'
+alias inetsec='cd ~/Nextcloud/Documents/Unibas/FS23/inetsec/'
+#cd into os alias 
+alias os='cd ~/Nextcloud/Documents/Unibas/FS23/os/' 
+alias pkvps='cd ~/Nextcloud/Documents/Unibas/FS23/pkvps/'
+alias pids='cd ~/Nextcloud/Documents/Unibas/FS23/pids/'
+alias pr23='cd ~/Documents/Education/UniBas/HS23/pr23/'
+alias db23='cd ~/Documents/Education/UniBas/HS23/databases/'
+alias pet23='cd ~/Documents/Education/UniBas/HS23/pethpc23/'
+alias diskmath='cd ~/Documents/Education/UniBas/HS23/diskmath-tutorat23/'
+alias pullbooks='rsync -av ~/Nextcloud/Books/ ~/Books'
+alias pushbooks='rsync -av ~/Books/ ~/Nextcloud/Books'
+alias pushfs24='rsync -uav --exclude=".*" --exclude="__*" --exclude="/venv" ~/documents/education/unibas/fs24/ ~/Nextcloud/Documents/Unibas/FS24'
+alias pullfs24='rsync -uav --exclude=".*" ~/Nextcloud/Documents/Unibas/FS24/ ~/documents/education/unibas/fs24'
+alias fs24l='cd ~/documents/education/unibas/fs24'
+alias fs24c='cd ~/Nextcloud/Documents/Unibas/FS24'
+alias sdev='ssh sebl@slenzlinger.dev'
+alias sslenz='ssh fm18b_sebaschi@slenzlinger.ch'
+
+alias ccat='pygmentize -g'
+
+# list repo IDs and which .repo they belong to
+alias frepos='grep -E "^\[.*]" /etc/yum.repos.d/*'
+
+# grep aliases
+alias galias='alias | grep'
diff --git a/bash/scripts/scripts/arrange_slides b/bash/scripts/scripts/arrange_slides
new file mode 100755
index 0000000..84f301f
--- /dev/null
+++ b/bash/scripts/scripts/arrange_slides
@@ -0,0 +1,19 @@
+#! /usr/bin/env bash
+
+filename=$1
+rmpattern=$2
+suffix=$3
+dstFolder="${PWD}/arranged"
+newFilename="${filename%${rmpattern}}${suffix}.pdf"
+# Make destination folder
+mkdir -p ${dstFolder}
+
+pdfjam --nup 2x2 \
+    --landscape \
+    --clip 'true' \
+    --delta '0cm 0cm' \
+    --offset '1cm 0cm' \
+    --outfile ${newFilename} ${filename}
+mv ${newFilename} ${dstFolder}
+# unused
+# --trim '0.7cm 0cm 0.7cm 0cm' \
diff --git a/bash/scripts/scripts/arrangefai b/bash/scripts/scripts/arrangefai
new file mode 100755
index 0000000..2604d28
--- /dev/null
+++ b/bash/scripts/scripts/arrangefai
@@ -0,0 +1,13 @@
+#! /usr/bin/env bash
+file=$1
+outfile="${file%'handout.pdf'}jam4.pdf"
+dst=${PWD}/jammed
+mkdir -p ${dst}
+pdfjam --nup 2x2 --column false \
+    --landscape --offset '1.2cm 0cm' \
+    --outfile ${outfile} --scale 0.95 \
+    --frame true \
+    $1
+
+mv ${outfile} ${dst}
+
diff --git a/bash/scripts/scripts/chatroom b/bash/scripts/scripts/chatroom
new file mode 100755
index 0000000..b01ed71
--- /dev/null
+++ b/bash/scripts/scripts/chatroom
@@ -0,0 +1,195 @@
+#!/usr/bin/env bash
+################################################################################
+## Author: Sebastian Lenzlinger
+## EMail: eswer@eswo.ch
+################################################################################
+
+################################################################################
+# TIPP: source this file so functions are available directly in the command line
+################################################################################
+initialize () {
+    if [[ $# -ne 1 ]]; then
+        echo "Usage: initialize '<name>'"
+        echo "Please only supply your name as a single string"
+        echo "This will be used as the branch name."
+        return
+    fi
+
+    usrnm=$1
+
+
+    # Create repo 'usrnm' with branch 'usrnm'
+    git init -b "${usrnm}" "${usrnm}" && cd "${usrnm}"
+    echo "Initialized git repo ${usrnm} with branch ${usrnm}"
+    git config --local user.name "${usrnm}"
+    git config --local user.email "${usrnm}@gitchat.local"
+    # Establish tree object
+    treeroot=$(git write-tree)
+    echo "Tree written at ref "${treeroot}"."
+    
+    # Create initial commit without parent commits
+    initcommit="$(echo "${usrnm} has joined the chatroom." | git commit-tree "${treeroot}")"
+    echo "Initial commit "${initcommit}" with message "$(git cat-file -p ${initcommit})"."
+
+    #Set HEAD of usrnm branch to first commit
+    git update-ref "$(git symbolic-ref HEAD)" "${initcommit}"
+}
+
+
+post() {
+    if ! [[ -d "${PWD}/.git" ]]; then
+        echo "You must be in a git repo root to use this command!"
+        return
+    fi
+
+    # Single quotes so can use any spacial characters that bash would expand.
+    if [[ $# -ne 1 ]]; then
+        echo "Please supply you message in single quotes!"
+        echo "Usage: post '<msg>'"
+        return
+    fi
+
+    msg=$1
+
+    # this seems to be the way; assuming there is one tree
+    roottreeref=$(git log --pretty=format:%T -n 1)
+    if [[ -z "${roottreeref}" ]]; then
+        echo "NO TREE: Couldnt find tree object."
+        return
+    fi
+    echo "Root trees ref "${roottreeref}""
+
+    parents=
+    for p in $(git for-each-ref --format='%(objectname)' refs/heads/); do
+        parents+="-p ${p} "
+    done
+    echo "Parent commits ${parents}"
+
+    # This didn't work!!!
+    # roottreeref=($(git cat-file --batch-all-objects --batch-check | grep tree))
+    
+    # Put message at end so last whitespace is ignored, doesn't lead to issues
+    commitref="$(git commit-tree ${roottreeref} ${parents} -m "${msg}")"
+    echo "Current commits ref ${commitref}"
+
+    git update-ref "$(git symbolic-ref HEAD)" "${commitref}"
+    echo 
+    echo "Posted message:"
+    echo "${msg}"
+
+    unset roottreeref
+    unset parents
+    unset commitref
+    unset msg
+}
+
+show() {
+
+    if ! [[ -d "${PWD}/.git" ]]; then
+        echo "You must be in a git repo root to use this command!"
+        return
+    fi
+
+    # This is not correct, only follow local branches, not remote branches.
+    #for b in $(git branch --format '%(refname:short)'); do
+        #git log $b --pretty=format:'%C(bold)%an (%ar):%C(reset) %s' --reverse
+    #done
+    if [[ $# -gt 1 ]];then
+        echo "There is only one OPTIONAL argument: -g"
+        return
+    fi
+    
+    gopt=
+    if [[ $1 = "-g" ]]; then gopt="--graph";
+    fi
+
+
+    git log --pretty=format:'%C(bold)%Cred%an (%Cgreen%cd):%Creset %s' \
+        --date=format:'%d-%m-%y--%H:%M' ${gopt}
+
+
+}
+
+# $usrto is the remote name. $usrfrom is a branch name.
+disseminate () {
+    if ! [[ -d "${PWD}/.git" ]]; then
+        echo "You must be in a git repo root to use this command!"
+        return
+    fi
+
+    if [[ $# -ne 1 ]]; then
+        echo "Usage: disseminate <remote-user-name>"
+        echo "Please supply the name of the user you wish to send your message to!"
+        return
+    fi
+
+    usrfrom="$(git branch --show-current)"
+    usrto="$1"
+
+
+    # Ensure remote exists
+    if ! git remote get-url "$usrto" > /dev/null 2>&1; then
+        echo "No such remote. You must first add a remote for ${usrto}"
+        echo "How to add: git remote add $usrto <Repo-Url>"
+        return
+    fi
+
+    if ! git push "${usrto}" "${usrfrom}"; then
+        echo "Failed to push to ${usrto}. Check permissions or network issues."
+        return
+    fi
+
+}
+################################################################################
+# Don't use described commands. Not sure if safe.
+fetch-peers() {
+    echo "Example to fetch all branches from a remote 'bob':"
+    echo "git fetch bob"
+}
+
+pull-remote() {
+    echo "Example to pull changes from a specific branch on 'bob' remote:"
+    echo "git pull bob <branch-name>"
+}
+
+info() {
+    echo "================================================="
+    echo "Adding a remote:"
+    echo "================================================="
+    echo "git remote add <remote-name> <url-of-remote>"
+    echo "Note that <remote-name> can be chosen arbitrarily"
+    echo 
+    echo "================================================="
+    echo "PUSHing to remote branch:"
+    echo "================================================="
+    echo "git push <remote-name> <the-local-branch-to-push>"
+    echo "Example: Push branch 'Carol' to remote 'bob'"
+    echo "git push bob Carol"
+    echo "After this the remote 'bob' will have everything from your branch 'Carol' also on a branch called 'Carol'"
+    echo 
+    echo "WARNING: Do not use 'git push Bob Carol' if you added remote 'bob' like this: 'git remote add bob ../Bob'"
+    echo "This only means that you are adding a remote in .git/refs/remote, not a branch on your part."
+    echo
+    echo "================================================="
+    echo "Some others:"
+    echo "================================================="
+    fetch-peers
+    echo 
+    echo 
+    pull-remote
+    echo
+    echo "END INFO"
+}
+
+
+    
+echo "To use the functions, source this file from the command line:"
+echo "'source path/to/chatroom' or just 'source chatroom' if it is in the same directory."
+echo "After this the functions are available for the duration of your bash session as if they where built-in commands!"
+echo "That means to call the initialize function just type 'initialize' NOT './initialize'"
+echo "You will see this message again when you source the file."
+################################################################################
+# Useful for debugging
+################################################################################
+alias glog="git log --oneline --graph"
+alias gloga="git log --oneline --graph --all"
diff --git a/bash/scripts/scripts/db23-arrange.sh b/bash/scripts/scripts/db23-arrange.sh
new file mode 100755
index 0000000..2a3c609
--- /dev/null
+++ b/bash/scripts/scripts/db23-arrange.sh
@@ -0,0 +1,9 @@
+#! /usr/bin/bash
+filename=$1
+arrangedFolder=${PWD}/arranged
+newFilename=${filename:0:3}db23-arranged.pdf
+echo "Arranging $filename"
+/usr/bin/pdfjam --nup 2x2 --landscape --outfile $newFilename $filename
+echo "Moving $new-filename to $arranged-folder"
+mv $newFilename $arrangedFolder
+echo "Done"
diff --git a/bash/scripts/scripts/mergeindir b/bash/scripts/scripts/mergeindir
new file mode 100755
index 0000000..42f2b4d
--- /dev/null
+++ b/bash/scripts/scripts/mergeindir
@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+qpdf --empty --pages $(ls -l | grep -v '^d' | sort) -- "$1.pdf"
diff --git a/bash/scripts/scripts/mergepdfs b/bash/scripts/scripts/mergepdfs
new file mode 100755
index 0000000..8a351f9
--- /dev/null
+++ b/bash/scripts/scripts/mergepdfs
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# Check if qpdf is installed
+if ! command -v qpdf &> /dev/null; then
+    echo "Error: qpdf could not be found. Please install qpdf."
+    exit 1
+fi
+
+# Target PDF filename
+output_pdf="$1.pdf"
+if [[ -z "$1" ]]; then
+    echo "Usage: $0 <output-file-base-name>"
+    exit 1
+fi
+
+# Prepare an array to hold the PDF files
+pdf_files=()
+shopt -s nullglob
+for file in *.pdf; do
+    pdf_files+=("$file")
+done
+
+# Check if we found any PDF files
+if [[ ${#pdf_files[@]} -eq 0 ]]; then
+    echo "No PDF files found in the current directory."
+    exit 1
+fi
+
+# Sort files just in case
+IFS=$'\n' pdf_files=($(sort <<<"${pdf_files[*]}"))
+unset IFS
+
+# Run qpdf to combine PDF files
+qpdf --empty --pages "${pdf_files[@]}" -- "$output_pdf"
+
+echo "PDF files combined into $output_pdf"
+
diff --git a/bash/scripts/scripts/pr23-arrange.sh b/bash/scripts/scripts/pr23-arrange.sh
new file mode 100755
index 0000000..8dde6dc
--- /dev/null
+++ b/bash/scripts/scripts/pr23-arrange.sh
@@ -0,0 +1,10 @@
+#! /usr/bin/bash
+
+filename=$1
+arrangedFolder=${PWD}/arranged
+newFilename=${filename}-pr23-arranged.pdf
+echo "Arranging $filename"
+/usr/bin/pdfjam --nup 2x1 --landscape --outfile $newFilename $filename
+echo "Moving $newFilename to $arrangedFolder"
+mv $newFilename $arrangedFolder
+echo "Done"
diff --git a/git/gitconfig b/git/gitconfig
index 5d93e68..256f4bd 100644
--- a/git/gitconfig
+++ b/git/gitconfig
@@ -1,3 +1,10 @@
 [user]
     email = 74497638+sebaschi@users.noreply.github.com
     name = Sebastian Lenzlinger
+[http]
+	sslVerify = false
+[filter "lfs"]
+	clean = git-lfs clean -- %f
+	smudge = git-lfs smudge -- %f
+	process = git-lfs filter-process
+	required = true