diff --git a/bin/install.ps1 b/bin/install.ps1
index ab80d3a..3311c6d 100644
--- a/bin/install.ps1
+++ b/bin/install.ps1
@@ -52,9 +52,8 @@ scoop import .\bin\windows\scoop_apps\scoop_minimal_apps.json
 # make symbolic links
 # neovim
 New-Item -ItemType SymbolicLink -Path ~\AppData\Local\nvim\init.lua -Target (Resolve-Path .\dotfiles\neovim\init.lua) -Force
-New-Item -ItemType SymbolicLink -Path ~\AppData\Local\nvim\lua\plugins.lua -Target (Resolve-Path .\dotfiles\neovim\lua\plugins.lua) -Force
 New-Item -ItemType SymbolicLink -Path ~\AppData\Local\nvim\lua\lualine_setup.lua -Target (Resolve-Path .\dotfiles\neovim\lua\lualine_setup.lua) -Force
-New-Item -ItemType SymbolicLink -Path ~\AppData\Local\nvim\lua\lsp_client_config.lua -Target (Resolve-Path .\dotfiles\neovim\lua\lsp_client_config.lua) -Force
+New-Item -ItemType SymbolicLink -Path ~\AppData\Local\nvim\lua\lspconfig\server_configurations\satysfi_ls.lua -Target (Resolve-Path .\dotfiles\neovim\lua\lspconfig\server_configurations\satysfi_ls.lua) -Force
 # pwsh
 New-Item -ItemType SymbolicLink -Path $PROFILE -Target (Resolve-Path .\dotfiles\pwsh\powershell_profile.ps1) -Force
 New-Item -ItemType SymbolicLink -Path ~\.config\powershell\chezmoi_completion.ps1 -Target (Resolve-Path .\dotfiles\pwsh\chezmoi_completion.ps1) -Force
diff --git a/bin/install.sh b/bin/install.sh
index 792fc31..3b2c009 100755
--- a/bin/install.sh
+++ b/bin/install.sh
@@ -22,6 +22,15 @@ ln -sf $(pwd)/dotfiles/tmux.conf ~/.tmux.conf
 mkdir -p ~/.config/nvim
 ln -sf $(pwd)/dotfiles/neovim/init.lua ~/.config/nvim/init.lua
 mkdir -p ~/.config/nvim/lua
-ln -sf $(pwd)/dotfiles/neovim/lua/plugins.lua ~/.config/nvim/lua/plugins.lua
 ln -sf $(pwd)/dotfiles/neovim/lua/lualine_setup.lua ~/.config/nvim/lua/lualine_setup.lua
+mkdir -p ~/.config/nvim/lua/lspconfig/server_configurations
+ln -sf $(pwd)/dotfiles/neovim/lua/lspconfig/server_configurations/satysfi_ls.lua ~/.config/nvim/lua/lspconfig/server_configurations/satysfi_ls.lua
+ln -sf $(pwd)/dotfiles/neovim/lua/lspconfig/server_configurations/jetls.lua ~/.config/nvim/lua/lspconfig/server_configurations/jetls.lua
+mkdir -p ~/.config/nvim/after/ftplugin
+ln -sf $(pwd)/dotfiles/neovim/after/ftplugin/satysfi.lua ~/.config/nvim/after/ftplugin/satysfi.lua
+ln -sf $(pwd)/dotfiles/neovim/after/ftplugin/tex.lua ~/.config/nvim/after/ftplugin/tex.lua
+mkdir -p ~/.config/nvim/after/queries/satysfi
+curl -o ~/.config/nvim/after/queries/satysfi/highlights.scm https://raw.githubusercontent.com/monaqa/tree-sitter-satysfi/master/queries/highlights.scm
+curl -o ~/.config/nvim/after/queries/satysfi/indents.scm https://raw.githubusercontent.com/monaqa/tree-sitter-satysfi/master/queries/indents.scm
+curl -o ~/.config/nvim/after/queries/satysfi/matchup.scm https://raw.githubusercontent.com/monaqa/tree-sitter-satysfi/master/queries/matchup.scm
 
diff --git a/dotfiles/neovim/after/ftplugin/satysfi.lua b/dotfiles/neovim/after/ftplugin/satysfi.lua
new file mode 100644
index 0000000..0a35a06
--- /dev/null
+++ b/dotfiles/neovim/after/ftplugin/satysfi.lua
@@ -0,0 +1,7 @@
+-- filetype plugin for satysfi
+-- loaded after
+
+-- tab
+vim.o.tabstop = 2
+vim.o.shiftwidth = 2
+
diff --git a/dotfiles/neovim/after/ftplugin/tex.lua b/dotfiles/neovim/after/ftplugin/tex.lua
new file mode 100644
index 0000000..5f56977
--- /dev/null
+++ b/dotfiles/neovim/after/ftplugin/tex.lua
@@ -0,0 +1,23 @@
+-- restore completion order of nvim-cmp
+-- source from `:help vimtex-complete-nvim-cmp`
+local cmp = require'cmp'
+cmp.setup.buffer {
+    formatting = {
+        format = function(entry, vim_item)
+            vim_item.menu = ({
+                    omni = (vim.inspect(vim_item.menu):gsub('%"', "")),
+                    buffer = "[Buffer]",
+                    -- formatting for other sources
+                })[entry.source.name]
+            return vim_item
+        end,
+    },
+    sources = cmp.config.sources{
+        { name = 'omni' },
+        { name = 'buffer' },
+        -- { name = 'nvim_lsp' },
+        { name = 'luasnip' },
+        { name = 'buffer' },
+        { name = 'path' },
+    },
+}
diff --git a/dotfiles/neovim/init.lua b/dotfiles/neovim/init.lua
index 29f6a90..7d140a3 100644
--- a/dotfiles/neovim/init.lua
+++ b/dotfiles/neovim/init.lua
@@ -1,4 +1,133 @@
---print("init.lua loaded")
+-----------------------------------------------------------
+-- Installing plugin manager 'lazy.nvim'
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not vim.loop.fs_stat(lazypath) then
+    vim.fn.system({
+        "git",
+        "clone",
+        "--filter=blob:none",
+    "https://github.com/folke/lazy.nvim.git",
+    "--branch=stable", -- latest stable release
+    lazypath,
+  })
+end
+vim.opt.rtp:prepend(lazypath)
+
+-- Installing plugins
+require('lazy').setup({
+    { "catppuccin/nvim", name = "catppuccin" }, -- Color scheme
+    {
+        'folke/which-key.nvim',
+        config = function()
+            vim.o.timeout = true
+            vim.o.timeoutlen = 300
+            require('which-key').setup {
+
+            }
+        end,
+    },
+    { 'RRethy/vim-illuminate', }, -- highlight keywords under cursor
+    { -- comment
+        'numToStr/Comment.nvim',
+        config = function ()
+            require('Comment').setup()
+        end,
+    },
+    { -- auto pair
+        'windwp/nvim-autopairs',
+        config = function()
+            require('nvim-autopairs').setup {
+                check_ts = true, -- use treesitter
+            }
+        end,
+        event = "InsertEnter",
+    },
+    { -- lualine(statusline)
+        'nvim-lualine/lualine.nvim',
+        dependencies = { 'kyazdani42/nvim-web-devicons', lazy = true }
+    },
+    {
+        'lervag/vimtex',
+        ft = { 'tex', 'latex' },
+    },
+    {
+        -- 'kdheepak/JET.nvim',
+        'qwjyh/JET.nvim',
+        dir = '~/work/julia/JET.nvim',
+        dev = false, -- set true to use dir
+        lazy = true,
+        dependencies = {
+            'jose-elias-alvarez/null-ls.nvim',
+        },
+        config = function()
+            require("jet").setup {
+                timeout = 15000,
+                -- disable setup since null-ls doesn't support lspconfig
+                -- https://github.com/jose-elias-alvarez/null-ls.nvim/commit/656e5cb554fed1eb2f398f325511601fab988ce0
+                setup_lspconfig = false,
+                debug = true,
+            }
+        end,
+        -- build process(make environments and add JET.jl)
+        build = [[mkdir -p ~/.julia/environments/nvim-null-ls && julia --startup-file=no --project=~/.julia/environments/nvim-null-ls -e 'using Pkg; Pkg.add("JET")']],
+        -- ft = { 'julia', },
+    },
+    {
+        'hkupty/iron.nvim',
+        ft = { 'julia', 'python', 'ruby', },
+    },
+    { 'lewis6991/gitsigns.nvim', },
+    'neovim/nvim-lspconfig',
+    {
+        'hrsh7th/nvim-cmp',
+        event = "InsertEnter",
+        dependencies = {
+            'hrsh7th/cmp-nvim-lsp', -- LSP
+            'L3MON4D3/LuaSnip', -- snippets
+            'saadparwaiz1/cmp_luasnip', -- nvim-cmp source for LuaSnip
+            'hrsh7th/cmp-buffer', -- nvim-cmp source for buffer words
+            'hrsh7th/cmp-path', -- nvim-cmp source for filesystem paths
+            'hrsh7th/cmp-cmdline', -- command line
+            'hrsh7th/cmp-omni', -- source for omnifunc
+            'hrsh7th/cmp-nvim-lua', -- nvim lua
+        },
+    },
+    {
+        'kdheepak/cmp-latex-symbols', -- latex math
+        ft = { 'julia', },
+    },
+    {
+        "nvim-treesitter/nvim-treesitter",
+        build = ":TSUpdate",
+        dependencies = {
+            "nvim-treesitter/nvim-treesitter-textobjects",
+        },
+    },
+    {
+        'nvim-telescope/telescope.nvim',
+        dependencies = {
+            'nvim-lua/plenary.nvim'
+        },
+    },
+    {
+        'folke/trouble.nvim',
+        -- config = function
+    },
+})
+
+-----------------------------------------------------------
+-- Adding filetype 'satysfi'
+vim.filetype.add {
+    extension = {
+        saty = 'satysfi',
+        satyh = 'satysfi',
+        satyg = 'satysfi',
+    },
+    pattern = {
+        ['.*%.satyh%-%a+'] = 'satysfi',
+    },
+}
+
 -----------------------------------------------------------
 -- basic configurations
 vim.o.number = true
@@ -19,8 +148,26 @@ highlight cursorcolumn ctermbg=235
 ]])
 vim.o.mouse = 'a'
 vim.o.signcolumn = 'yes'
-vim.o.ignorecase = true
+vim.o.ignorecase = true -- keep signcolumn on
 vim.o.smartcase = true
+vim.o.errorbells = true
+-- vim.o.visualbell = false -- this is default
+vim.opt.undofile = true -- Save undo history
+vim.o.completeopt = 'menuone,noselect' -- for better completion experience
+vim.o.termguicolors = true
+
+-- color scheme
+require('catppuccin').setup({
+    transparent_background = true,
+})
+vim.cmd.colorscheme "catppuccin"
+
+-----------------------------------------------------------
+-- some terminalmode settings
+vim.keymap.set('t', '<C-w>h', '<C-\\><C-N><C-w>h', { noremap = true, desc = "Exit terminal-mode and move to left window."})
+vim.keymap.set('t', '<C-w>j', '<C-\\><C-N><C-w>j', { noremap = true, desc = "Exit terminal-mode and move to down window."})
+vim.keymap.set('t', '<C-w>k', '<C-\\><C-N><C-w>k', { noremap = true, desc = "Exit terminal-mode and move to up window."})
+vim.keymap.set('t', '<C-w>l', '<C-\\><C-N><C-w>l', { noremap = true, desc = "Exit terminal-mode and move to right window."})
 
 -----------------------------------------------------------
 -- to use PowerShell on Windows
@@ -28,130 +175,354 @@ vim.o.smartcase = true
 -- vim script func returns 1/0, while lua evals false only if gets false or nil
 -- so be sure to compare with 1/0
 if vim.fn.has('win32') == 1 then
-	if vim.fn.executable('pwsh') == 1 then
-		vim.opt.shell = 'pwsh'
-	else
-		vim.opt.shell = 'powershell'
-	end
-	vim.opt.shellcmdflag = '-NoLogo -NoProfile -ExecutionPolicy RemoteSigned -Command [Console]::InputEncoding=[Console]::OutputEncoding=[System.Text.Encoding]::UTF8;'
-	vim.opt.shellredir = '-RedirectStandardOutput %s -NoNewWindow -Wait'
-	vim.opt.shellpipe = '2>&1 | Out-File -Encoding UTF8 %s; exit $LastExitCode'
-	vim.opt.shellquote = ''
-	vim.opt.shellxquote = ''
+    if vim.fn.executable('pwsh') == 1 then
+        vim.opt.shell = 'pwsh'
+    else
+        vim.opt.shell = 'powershell'
+    end
+    vim.opt.shellcmdflag = '-NoLogo -NoProfile -ExecutionPolicy RemoteSigned -Command [Console]::InputEncoding=[Console]::OutputEncoding=[System.Text.Encoding]::UTF8;'
+    vim.opt.shellredir = '-RedirectStandardOutput %s -NoNewWindow -Wait'
+    vim.opt.shellpipe = '2>&1 | Out-File -Encoding UTF8 %s; exit $LastExitCode'
+    vim.opt.shellquote = ''
+    vim.opt.shellxquote = ''
 end
 
+-----------------------------------------------------------
+-- comment setting for satysfi
+local ft = require('Comment.ft')
+ft.set('satysfi', '%%s')
 
 -----------------------------------------------------------
--- Plugins
-require 'plugins'
-vim.cmd [[autocmd BufWritePost plugins.lua PackerCompile]]
-
-
--- LSP
--- https://zenn.dev/botamotch/articles/21073d78bc68bf
--- 1. LSP Sever management
---require('mason').setup()
---require('mason-lspconfig').setup_handlers({ function(server)
---	local opt = {
---		-- -- Function executed when the LSP server startup
---		-- on_attach = function(client, bufnr)
---		--   local opts = { noremap=true, silent=true }
---		--   vim.api.nvim_buf_set_keymap(bufnr, 'n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
---		--   vim.cmd 'autocmd BufWritePre * lua vim.lsp.buf.formatting_sync(nil, 1000)'
---		-- end,
---		capabilities = require('cmp_nvim_lsp').update_capabilities(
---			vim.lsp.protocol.make_client_capabilities()
---		)
---	}
---	require('lspconfig')[server].setup(opt)
---end })
---
----- 2. build-in LSP function
----- keyboard shortcut
---vim.keymap.set('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>')
---vim.keymap.set('n', 'gf', '<cmd>lua vim.lsp.buf.formatting()<CR>')
---vim.keymap.set('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>')
---vim.keymap.set('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>')
---vim.keymap.set('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>')
---vim.keymap.set('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>')
---vim.keymap.set('n', 'gt', '<cmd>lua vim.lsp.buf.type_definition()<CR>')
---vim.keymap.set('n', 'gn', '<cmd>lua vim.lsp.buf.rename()<CR>')
---vim.keymap.set('n', 'ga', '<cmd>lua vim.lsp.buf.code_action()<CR>')
---vim.keymap.set('n', 'ge', '<cmd>lua vim.diagnostic.open_float()<CR>')
---vim.keymap.set('n', 'g]', '<cmd>lua vim.diagnostic.goto_next()<CR>')
---vim.keymap.set('n', 'g[', '<cmd>lua vim.diagnostic.goto_prev()<CR>')
----- LSP handlers
---vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
---	vim.lsp.diagnostic.on_publish_diagnostics, { virtual_text = false }
---)
----- Reference highlight
---vim.cmd [[
---set updatetime=500
---highlight LspReferenceText  cterm=underline ctermfg=1 ctermbg=8 gui=underline guifg=#A00000 guibg=#104040
---highlight LspReferenceRead  cterm=underline ctermfg=1 ctermbg=8 gui=underline guifg=#A00000 guibg=#104040
---highlight LspReferenceWrite cterm=underline ctermfg=1 ctermbg=8 gui=underline guifg=#A00000 guibg=#104040
---augroup lsp_document_highlight
---  autocmd!
---  autocmd CursorHold,CursorHoldI * lua vim.lsp.buf.document_highlight()
---  autocmd CursorMoved,CursorMovedI * lua vim.lsp.buf.clear_references()
---augroup END
---]]
---
----- 3. completion (hrsh7th/nvim-cmp)
---local cmp = require("cmp")
---cmp.setup({
---	snippet = {
---		expand = function(args)
---			vim.fn["vsnip#anonymous"](args.body)
---		end,
---	},
---	sources = {
---		{ name = "nvim_lsp" },
---		-- { name = "buffer" },
---		-- { name = "path" },
---	},
---	mapping = cmp.mapping.preset.insert({
---		["<C-p>"] = cmp.mapping.select_prev_item(),
---		["<C-n>"] = cmp.mapping.select_next_item(),
---		['<C-l>'] = cmp.mapping.complete(),
---		['<C-e>'] = cmp.mapping.abort(),
---		["<CR>"] = cmp.mapping.confirm { select = true },
---	}),
---	experimental = {
---		ghost_text = true,
---	},
---})
----- cmp.setup.cmdline('/', {
-----   mapping = cmp.mapping.preset.cmdline(),
-----   sources = {
-----     { name = 'buffer' }
-----   }
----- })
----- cmp.setup.cmdline(":", {
-----   mapping = cmp.mapping.preset.cmdline(),
-----   sources = {
-----     { name = "path" },
-----     { name = "cmdline" },
-----   },
----- })
-
--- satysfi language server
---require('lspconfig')['satysfi-ls'].setup{
---  autostart = true
---}
+-- vimtex
+vim.g.vimtex_view_method = 'general' -- which is installed on both win and linux
 
 -----------------------------------------------------------
--- Ctrl + P to invoke fzf file search
-vim.api.nvim_set_keymap('n', '<c-P>',
-	"<cmd>lua require('fzf-lua').files()<CR>",
-	{ noremap = true, silent = true })
+-- iron (repl)
+local iron = require('iron.core')
+iron.setup {
+    config = {
+        scratch_repl = true, -- repl should be discarded
+        repl_definition = {
+            fish = {
+                command = { 'fish' },
+            },
+            julia = {
+                command = { 'julia', },
+            },
+            shell = {
+                command = { 'sh', },
+            },
+        },
+        repl_open_cmd = require('iron.view').split.botright('30%'), -- repl view config
+    },
+    keymaps = {
+        send_motion = "<space>sc",
+        visual_send = "<space>sc",
+        send_file = "<space>sf",
+        send_line = "<space>sl",
+        send_mark = "<space>sm",
+        mark_motion = "<space>mc",
+        mark_visual = "<space>mc",
+        remove_mark = "<space>md",
+        cr = "<space>s<cr>",
+        interrupt = "<space>s<space>",
+        exit = "<space>sq",
+        clear = "<space>cl",
+    },
+}
+-- keymap for iron repl
+vim.keymap.set('n', '<C-@>', '<cmd>IronRepl<cr>')
 
+-----------------------------------------------------------
+-- gitsigns
+require('gitsigns').setup {
+    on_attach = function(bufnr)
+        local gs = package.loaded.gitsigns
+
+        ---custom mapping func
+        ---@param mode string|string[]
+        ---@param l string
+        ---@param r any
+        ---@param opts table?
+        local function map(mode, l, r, opts)
+            opts = opts or {}
+            opts.buffer = bufnr
+            vim.keymap.set(mode, l, r, opts)
+        end
+
+        -- Navigation
+        map('n', ']c', function()
+            if vim.wo.diff then return ']c' end
+            vim.schedule(function() gs.next_hunk() end)
+            return '<Ignore>'
+        end, {expr=true})
+        map('n', '[c', function()
+            if vim.wo.diff then return '[c' end
+            vim.schedule(function() gs.prev_hunk() end)
+            return '<Ignore>'
+        end, {expr=true})
+    end
+}
 
 -----------------------------------------------------------
 -- lualine
 require('lualine_setup')
-lualine = require('lualine')
-lualine.setup({
-	options = { theme = 'iceberg_dark' }
+
+-----------------------------------------------------------
+-- telescope
+vim.keymap.set('n', '<c-P>', function() require('telescope.builtin').find_files { sort_lastused = true } end) -- fd?
+
+-----------------------------------------------------------
+-- Treesitter
+-- manually install parsers with `:TSInstall <language>`
+
+-- satysfi (https://github.com/monaqa/tree-sitter-satysfi)
+local parser_config = require "nvim-treesitter.parsers".get_parser_configs()
+parser_config.satysfi = {
+    install_info = {
+        url = "https://github.com/monaqa/tree-sitter-satysfi",
+        files = { "src/parser.c", "src/scanner.c" }
+    },
+    filetype = 'satysfi',
+}
+
+-- setup
+require'nvim-treesitter.configs'.setup {
+    ensure_installed = {
+        'satysfi',
+    },
+    highlight = {
+        enable = true,
+    },
+    incremental_selection = {
+        enable = true,
+        keymaps = {
+            init_selection = "gnn",
+            node_incremental = "grn",
+            scope_incremental = "grc",
+            node_decremental = "grm",
+        },
+    },
+    indent = {
+        enable = true,
+    },
+    textobjects = {
+        select = {
+            enable = true,
+            lookahead = true,
+            keymaps = {
+                ['aa'] = '@parameter.outer',
+                ['ia'] = '@parameter.inner',
+                ['af'] = '@function.outer',
+                ['if'] = '@function.inner',
+                ['ac'] = '@class.outer',
+                ['ic'] = '@class.inner',
+            },
+        },
+        move = {
+            enable = true,
+            set_jumps = true,
+            goto_next_start = {
+                [']m'] = '@function.outer',
+                [']]'] = '@class.outer',
+            },
+            goto_next_end = {
+                [']M'] = '@function.outer',
+                [']['] = '@class.outer',
+            },
+            goto_previous_start = {
+                ['[m'] = '@function.outer',
+                ['[['] = '@class.outer',
+            },
+            goto_previous_end = {
+                ['[M'] = '@function.outer',
+                ['[]'] = '@class.outer',
+            },
+        },
+        swap = {
+            enable = true,
+            swap_next = {
+                ['<space>a'] = '@parameter.inner',
+            },
+            swap_previous = {
+                ['<space>A'] = '@parameter.inner',
+            },
+        },
+    },
+}
+
+
+-----------------------------------------------------------
+-- LSP config
+
+local lspconfig = require 'lspconfig'
+
+-- Mapping for language server
+-- See `:help vim.diagnostic.* for documentation on any of the below functions
+local opts = { noremap = true, silent = true }
+vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
+vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
+vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
+vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)
+
+-- Use an on_attach function to only map the following keys
+-- after the language server attaches to the current buffer
+local on_attach = function(client, bufnr)
+    -- Enable completion triggered by <c-x><c-o>
+    --vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+    -- Mappings
+    -- See `:help vim.lsp.*` for documentation on any of the below function
+    local bufopts = { noremap = true, silent = true, buffer = bufnr }
+    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
+    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
+    vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
+    vim.keymap.set('n', 'g1', vim.lsp.buf.implementation, bufopts)
+    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
+    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
+    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
+    vim.keymap.set('n', '<space>wl', function()
+        print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+    end, bufopts)
+    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
+    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
+    vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
+    vim.keymap.set('n', 'grf', vim.lsp.buf.references, bufopts)
+    vim.keymap.set('n', '<space>f', function() vim.lsp.buf.format { async = true } end, bufopts)
+end
+
+-- cmp_nvim_lsp supports additional LSP completion capabilities
+local capabilities = require("cmp_nvim_lsp").default_capabilities()
+
+
+
+-- Lua
+lspconfig.lua_ls.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+    settings = {
+        Lua = {
+            runtime = {
+                version = 'LuaJIT',
+            },
+            diagnostics = {
+                globals = {'vim'},
+            },
+            workspace = {
+                library = vim.api.nvim_get_runtime_file("", true),
+            },
+            telemetry = {
+                enable = false,
+            },
+        },
+    },
+}
+-- Julia
+lspconfig.julials.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+}
+-- SATySFi
+lspconfig.satysfi_ls.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+    autostart = true,
+}
+-- bash
+lspconfig.bashls.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+}
+-- python
+lspconfig.pyright.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+}
+-- rust
+lspconfig.rust_analyzer.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+}
+-- tex
+lspconfig.texlab.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+}
+-- -- jetls
+-- lspconfig.jetls.setup {}
+
+-- nvim-cmp setup
+local cmp = require 'cmp'
+local luasnip = require 'luasnip'
+luasnip.config.setup {}
+
+cmp.setup {
+    snippet = {
+        expand = function(args)
+            luasnip.lsp_expand(args.body)
+        end,
+    },
+    mapping = cmp.mapping.preset.insert({
+        ['<C-u>'] = cmp.mapping.scroll_docs(-4), -- Up
+        ['<C-d>'] = cmp.mapping.scroll_docs(4), -- Down
+        ['<C-Space>'] = cmp.mapping.complete(),
+        ['<CR>'] = cmp.mapping.confirm {
+            behavior = cmp.ConfirmBehavior.Replace,
+            select = true,
+        },
+        ['<Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+                cmp.select_next_item()
+            elseif luasnip.expand_or_jumpable() then
+                luasnip.expand_or_jump()
+            else
+                fallback()
+            end
+        end, { 'i', 's' }),
+        ['<S-Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+                cmp.select_prev_item()
+            elseif luasnip.jumpable(-1) then
+                luasnip.jump(-1)
+            else
+                fallback()
+            end
+        end, { 'i', 's' }),
+    }),
+    sources = {
+        { name = 'nvim_lsp' },
+        { name = 'luasnip' },
+        { name = 'buffer' },
+        {
+            name = 'latex_symbols',
+            option = {
+                strategy = 0, -- mixed (show the comand and insert the symbol)
+            },
+        },
+        { name = 'path' },
+        { name = 'nvim_lua' },
+    },
+}
+-- cmdline completions
+-- `/` cmdline setup.
+cmp.setup.cmdline({ '/', '?' }, {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = {
+    { name = 'buffer' }
+  }
 })
-lualine.setup()
+-- ':'
+cmp.setup.cmdline(':', {
+    mapping = cmp.mapping.preset.cmdline(),
+    sources = cmp.config.sources({
+        { name = 'path' }
+    }, {
+        {
+            name = 'cmdline',
+            option = {
+                ignore_cmds = { 'Man', '!' }
+            }
+        }
+    })
+})
+
diff --git a/dotfiles/neovim/lua/lspconfig/server_configurations/jetls.lua b/dotfiles/neovim/lua/lspconfig/server_configurations/jetls.lua
new file mode 100644
index 0000000..6f6f599
--- /dev/null
+++ b/dotfiles/neovim/lua/lspconfig/server_configurations/jetls.lua
@@ -0,0 +1,68 @@
+-- local cmd = {
+--     'julia',
+--     '--startup-file=no',
+--     '--history-file=no',
+--     '-e',
+--     [[
+--     # Load JETLS.jl: attempt to load from ~/.julia/environments/nvim-lspconfig
+--     # with the regular load path as a fallback
+--     jet_install_path = joinpath(
+--         get(DEPOT_PATH, 1, joinpath(homedir(), ".julia")),
+--         "environments", "nvim-lspconfig"
+--     )
+--     pushfirst!(LOAD_PATH, jet_install_path)
+--     using JETLS
+--     popfirst!(LOAD_PATH)
+--     depot_path = get(ENV, "JULIA_DEPOT_PATH", "")
+--     project_path = let
+--         dirname(something(
+--             ## 1. Finds an explicitly set project (JULIA_PROJECT)
+--             Base.load_path_expand((
+--                 p = get(ENV, "JULIA_PROJECT", nothing);
+--                 p === nothing ? nothing : isempty(p) ? nothing : p
+--             )),
+--             ## 2. Look for a Project.toml file in the current working directory,
+--             ##    or parent directories, with $HOME as an upper boundary
+--             Base.current_project(),
+--             ## 3. First entry in the load path
+--             get(Base.load_path(), 1, nothing),
+--             ## 4. Fallback to default global environment,
+--             ##    this is more or less unreachable
+--             Base.load_path_expand("@v#.#"),
+--         ))
+--     end
+--     @info "Running JETLS language server" VERSION pwd() project_path
+--     @info "not running yet"
+--     JETLS.runserver(stdin, stdout)
+--   ]],
+-- }
+local cmd = {
+    'julia',
+    '--startup-file=no',
+    '--history-file=no',
+    '-e',
+    [[
+        println("===STARTING JETLS===")
+        using JETLS
+        JETLS.runserver(stdin, stdout)
+        @info "Running JETLS" VERSION pwd() project_path
+        @info "============================"
+    ]],
+}
+
+return {
+    default_config = {
+        cmd = cmd,
+        filetypes = { 'julia' },
+        root_dir = function(fname)
+            local util = require 'lspconfig.util'
+            return util.root_pattern 'Project.toml' (fname) or util.find_git_ancestor(fname) or
+                util.path.dirname(fname)
+        end,
+    },
+    docs = {
+        description = [[
+TBW
+    ]],
+    },
+}
diff --git a/dotfiles/neovim/lua/lspconfig/server_configuration/satysfi-ls.lua b/dotfiles/neovim/lua/lspconfig/server_configurations/satysfi_ls.lua
similarity index 85%
rename from dotfiles/neovim/lua/lspconfig/server_configuration/satysfi-ls.lua
rename to dotfiles/neovim/lua/lspconfig/server_configurations/satysfi_ls.lua
index 78e30f7..1301c06 100644
--- a/dotfiles/neovim/lua/lspconfig/server_configuration/satysfi-ls.lua
+++ b/dotfiles/neovim/lua/lspconfig/server_configurations/satysfi_ls.lua
@@ -1,4 +1,4 @@
-# https://zenn.dev/monaqa/articles/2021-12-10-satysfi-language-server
+-- https://zenn.dev/monaqa/articles/2021-12-10-satysfi-language-server
 local util = require 'lspconfig.util'
 
 return {
@@ -18,3 +18,4 @@ return {
     },
   },
 }
+
diff --git a/dotfiles/neovim/lua/plugins.lua b/dotfiles/neovim/lua/plugins.lua
deleted file mode 100644
index 4ec117b..0000000
--- a/dotfiles/neovim/lua/plugins.lua
+++ /dev/null
@@ -1,29 +0,0 @@
-vim.cmd [[packadd packer.nvim]]
-
-return require('packer').startup(function(use)
-	use 'wbthomason/packer.nvim'
-
-	-- fzf
-	use { 'ibhagwan/fzf-lua',
-		-- optional icon
-		--requires = { 'kyazdan142/nvim-web/devicons' } -- not found
-	}
-
-	-- lualine(statusline)
-	use {
-		'nvim-lualine/lualine.nvim',
-		requires = { 'kyazdani42/nvim-web-devicons', opt = true }
-	}
-
-	-- LSP
-	use 'neovim/nvim-lspconfig'
-	use "williamboman/mason.nvim"
-	use "williamboman/mason-lspconfig.nvim"
-	use "hrsh7th/nvim-cmp"
-	use "hrsh7th/cmp-nvim-lsp"
-	use "hrsh7th/vim-vsnip"
-
-	-- Julia
-	use "JuliaEditorSupport/julia-vim"
-
-end)
diff --git a/dotfiles/tmux.conf b/dotfiles/tmux.conf
index 5f57a60..106c2a4 100644
--- a/dotfiles/tmux.conf
+++ b/dotfiles/tmux.conf
@@ -31,11 +31,27 @@ set -g base-index 1
 # start pane index at 1
 setw -g pane-base-index 1
 
+set-option -g pane-border-indicators both
+set-option -g pane-border-lines heavy
+
 
 # -----------------------------------------------
 # status line configs
+set-option -g monitor-bell on
+set-option -g status-interval 1
+set-option -g status-left '#[bg=colour156 bold]#{?client_prefix,#[reverse] P #[noreverse],#{?copy_cursor_x,#[bg=colour216] C , P }}#[bg=default nobold][#S] ' # indicates prefix and copy status
+set-option -g status-left-length 15
 set-option -g status-right "#[bg=colour156] #T | %y/%m/%d %H:%M:%S"
+set-option -g status-right-length 90
 #set-window-option -g window-status-format "#[bg=green]#I:#W-" # default
 set-window-option -g window-status-current-format "#[bg=colour156]#I:#W*"
 
+# -----------------------------------------------
+# true colour
+# alacritty: alacritty
+# wezterm xfce-terminal konsole gnome-terminal: xterm-256color
+set -ga terminal-overrides ",alacritty:RGB,xterm-256color:RGB"
+
+set-option -g focus-events on
 set -s escape-time 100
+