https://www.daiphys.com/portal/ 2026-04-30T19:52:51+00:00 https://www.daiphys.com/portal/ https://www.daiphys.com/portal/_media/wiki/dokuwiki.svg text/html 2023-05-30T15:32:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/anaconda.html?rev=1685460778&do=diff Anaconda Install wget https://repo.anaconda.com/archive/Anaconda3-2023.03-1-Linux-x86_64.sh bash ./Anaconda3-2023.03-1-Linux-x86_64.shsource ~/.bashrc## base environment conda config --set auto_activate_base False TensorFlow/Keras on Python 2.7 conda search python conda search tensorflow text/html 2024-02-29T03:43:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/apache.html?rev=1709178189&do=diff Apache Module sudo a2enmod rewrite sudo a2enmod include References text/html 2026-04-06T05:27:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/apt.html?rev=1775453269&do=diff Apt Update ## update /etc/apt/sources.list sudo apt-get update sudo apt-get check sudo apt-get upgrade sudo apt-get -s upgrade sudo apt-get -u upgrade sudo apt-get dist-upgrade sudo apt-get -s dist-upgrade sudo apt-get -u dist-upgrade sudo apt-get clean sudo apt-file update text/html 2023-07-28T09:20:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/awk.html?rev=1690536025&do=diff Awk Tips 割算は1ではなく1.0の様に小数点を付けないと不正確になるので注意 Sample awk '{print $1 $3}' : 続けて表示 awk '{print $1, $3}' : 出力フィールドセパレータで区切って表示 awk '{printf "%4d %s\n", $1, $3}' : 指定フォーマットで表示 awk '(NR==2){print $2}' : 2行目の2列目だけ表示 awk '(NR%5==0){print}' : 5行おきに出力 awk '{print $1*3.0, $3}' : 列ごとの計算 awk '{s+=$1}END{print "sum:", s, "average:", s/NR}' : すべての行の足し算 awk 'BEGIN{a=0}{a=a+$1}END{print a}' : すべての行の足し算 awk '($1>=20)&&($1<=100)' : 1列目が20以上かつ100以下の行だけ表示 awk '{printf "%f\n", ($3*… text/html 2022-12-15T00:58:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/calc.html?rev=1671065915&do=diff Calc Sample help full : 全てのヘルプを見る config("display", 50) : 50桁まで表示する epsilon(1e-50) : Epsilon(精度)を50桁まで保つ config("mode", "exp") : Exponential Output epsilon(epsilon() / 8) : 3-bits More Accuracy printf("%e\n", 0.3) : 指数表示 text/html 2025-08-12T06:08:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/cat.html?rev=1754978891&do=diff Cat Here Document cat << EOF > output.txt foo bar baz EOF Use tee for superuser Printing Escape Sequences cat -v References text/html 2026-04-19T12:41:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/clevis.html?rev=1776602460&do=diff Clevis TPM-Based Full Disk Encryption without Manual Passphrase Entry Prerequisites ## TPM (Trusted Platform Module) - Version 2.0 sudo dmesg | grep -i tpm Install sudo apt install clevis clevis-luks clevis-initramfs clevis-tpm2## Read the current SHA-256 PCR values: sudo tpm2_pcrread text/html 2024-10-31T07:16:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/convert.html?rev=1730358971&do=diff Convert Tips サイズを落とすには quality より geometry の方が良い convert -geometry "70%" input.eps output.jpg Sample convert input.jpg output.eps : jpgからepsに変換する convert -rotate 90 input.png output.png : pngを90度回転する convert -geometry "70%" input.eps output.jpg : 大きさ70%にしてepsからjpg convert 1.jpg 2.jpg output.pdf : 複数の画像をPDFにまとめる convert -quality 100 input.eps output.jpg : 最高の画質でJPGに変換 (1-100) convert -density 128x128 input.eps output.eps : EPS解像度の指定 (Default:72x72) convert -delay 30 1.jpg 2.jpg output.gif … text/html 2023-05-18T07:48:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/cpulimit.html?rev=1684396114&do=diff CPULimit Sample sudo apt-get install cpulimitcpulimit -p [pid] -l [percentage] Test cat << EOF > load.py i = 0 while True : i += 1 EOFpython load.py &top ================================ PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 4128 user 25 5 21608 5928 3464 R 100.0 0.3 0:03.53 python ================================ text/html 2022-12-15T01:20:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/cron.html?rev=1671067236&do=diff Cron Sample 43 23 * * * : 23:43に実行 12 05 * * * : 05:12に実行 0 17 * * * : 17:00に実行 0 17 * * 1 : 毎週月曜の17:00に実行 0,10 17 * * 0,2,3 : 毎週日/火/水曜の17:00と17:10に実行 0-10 17 1 * * : 毎月1日の17:00から17:10まで1分毎に実行 0 0 1,15 * 1 : 毎月1日と15日と月曜日の0:00に実行 42 4 1 * * : 毎月1日の4:42分に実行 0 21 * * 1-6 : 月曜日から土曜まで21:00に実行 0,10,20,30,40,50 * * * * : 10分おきに実行 */10 * * * * : 10分おきに実行 * 1 * * * : 1:00から1:59まで1分おきに実行 0 1 * * * : 1:00に実行 0 */1 * * * : 毎時0分に1時間おきに実行 0 * * * * : 毎時0分に1時間おきに実行 2 8-20/3 * * * … text/html 2026-04-21T08:41:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/cryptsetup.html?rev=1776760900&do=diff Cryptsetup LUKS-Encrypted USB Drive with Automatic Mounting lsblk -o NAME,MODEL,RM,SIZE,TYPE,MOUNTPOINTSsudo cryptsetup luksFormat /dev/sdb ## Enter passphrase for /dev/sdb:sudo cryptsetup luksOpen /dev/sdb storage_crypt ## Enter passphrase for /dev/sdb: text/html 2023-07-20T14:17:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/cuda.html?rev=1689862634&do=diff CUDA (Nvidia) Getting Started Tips * [IMPORTANT] Deeply confirm version compatibility and system requirements including target software (e.g., PyTorch) before installation !!! * The latest version tends to be at higher risk of getting into trouble text/html 2022-08-19T14:25:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/dash.html?rev=1660919128&do=diff Dash Abstract インストール忘備録 Install sudo apt install python3-pip sudo pip install dashvi hello.py ====================================== import dash from dash import dcc from dash import html app = dash.Dash() app.layout = html.Div(children=[ html.H1(children='Hello Dash'), html.Div(children='Dash Framework'), dcc.Graph( id='sample', figure={ 'data': [ {'x': [1, 2, 3], 'y': [4, 1, 2], 'type': 'bar', 'name': 'ABC'}, {'x': [1, 2, 3], 'y': [2, 4, 5], 'type': 'bar… text/html 2023-08-09T04:53:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/docker.html?rev=1691556781&do=diff Docker Install Install to Debian Docker for Debian <https://docs.docker.com/engine/install/debian/> sudo apt-get update sudo apt install ca-certificates curl gnupgsudo install -m 0755 -d /etc/apt/keyrings curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg sudo chmod a+r /etc/apt/keyrings/docker.gpg echo "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] \ https://download.docker.com/linux/debian "$(. /… text/html 2022-12-16T00:19:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/dvipdfmx.html?rev=1671149992&do=diff Dvipdfmx Font Mapping sudo ln -s /usr/share/fonts/truetype/sazanami /usr/share/texmf/fonts/truetype/ updmap sudo updmap sudo updmap-sys sudo update-texmf kpsewhich sazanami-gothic.ttf kpsewhich sazanami-mincho.ttfvi /etc/texmf/dvipdfmx/sazanami.map --------------------------------------------------------------------- rml H sazanami-mincho.ttf rmlv V sazanami-mincho.ttf rml-jis H sazanami-mincho.ttf gbm H sazanami-gothic.ttf gbmv V sazanami-gothic.ttf gbm-jis H sazanami-gothic.ttf --------------… text/html 2022-12-15T04:44:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/expect.html?rev=1671079464&do=diff Expect Sample expect -c "set foo 'bar'; spawn echo \$foo; expect" expect -c "spawn echo foo"; expect" text/html 2024-02-26T05:37:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/fdisk.html?rev=1708925879&do=diff Fdisk Sample sudo fdisk /dev/sdb## Generating New Primary Partition Command (m for help): n Partition type p primary (0 primary, 0 extended, 4 free) e extended (container for logical partitions) Select (default p): p Partition number (1-4, default 1): First sector (2048-41943039, default 2048): Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-41943039, default 41943039): Created a new partition 1 of type 'Linux' and of size 20 GiB. Command (m for help): w The partition table has b… text/html 2025-10-06T01:30:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/find.html?rev=1759714209&do=diff Find Sample find . -xtype l | xargs ls -CF --color=auto : リンク切れ find . -type f | xargs ls -l --time-style="long-iso" | sort -k 6,7 | tail -2 : 最新のファイル find . -mtime -0.5 : 12時間以内に更新されたファイル find . -mtime -10 -ls : 10日以内に更新されたファイル text/html 2025-05-01T16:36:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/git.html?rev=1746117361&do=diff Git(Hub) Install sudo apt-get install gitgit --version git --helpusage: git [-v | --version] [-h | --help] [-C <path>] [-c <name>=<value>] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path] [-p | --paginate | -P | --no-pager] [--no-replace-objects] [--no-lazy-fetch] [--no-optional-locks] [--no-advice] [--bare] [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>] [--config-env=<name>=<envvar>] <command> [<args>] These a… text/html 2022-08-19T14:26:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/gitlab.html?rev=1660919211&do=diff GitLab Abstract インストール忘備録 Install to Ubuntu GitLab for Ubuntu <https://about.gitlab.com/install/#ubuntu> 以下公式手順だとUbuntuバージョンによりパッケージが認識されずインストールできない (e.g., Jammy) sudo apt install curl curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.deb.sh | sudo bash sudo apt install gitlab-ee text/html 2023-05-17T01:13:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/grep.html?rev=1684286021&do=diff Grep Sample grep '[0-9]' source.txt : '[0-9]'の文字列 grep -E '([0-9]){2}' source.txt : '[0-9]'が2回続く文字列 grep '[Ll]inux' source.txt : 'Linux'または'linux'を含む grep -w '[Ll]inux' source.txt : 独立した'Linux'または'linux'を含む ('RedhatLinux'などは含まない) grep '[1-9][0-9][0-9][A-Z][0-9]' source.txt : 先頭に0を含まず123A7のようなパターン grep -v '[0-9]' source.txt : 数字を含まない grep '.....' source.txt : 5文字以上の行だけ grep -E '^.{15}a' source.txt : 16文字目が'a' grep '^W.*s$' source.txt : 先頭が'W'で末尾が's'の文字列 grep '^$' sourc… text/html 2026-04-21T08:58:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/grub.html?rev=1776761912&do=diff Grub Tips * 立ち上げで失敗する場合は nomodeset をオプションで入れる * 無事にターミナルが起動したら /etc/X11/xorg.conf を削除 Troubleshooting - Boot Failure without HDMI Connection <https://www.reddit.com/r/Ubuntu/comments/v0ff1r/ubuntu_2204_server_wont_boot_without_hdmi_plugged/> * Debian/UbuntuでHDMIケーブルを接続しないと起動に失敗する > nomodeset 指定で解消 text/html 2025-08-21T03:34:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/gs.html?rev=1755747257&do=diff Ghostscript PDF Merge gs -dNOPAUSE -dQUIET -dBATCH -sDEVICE=pdfwrite -sOutputFile=output.pdf input1.pdf input2.pdf PDF Compression gs -dNOPAUSE -dQUIET -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -sOutputFile=output.pdf input.pdf gs -dNOPAUSE -dQUIET -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dDownsampleColorImages=true -dColorImageResolution=72 -sOutputFile=output.pdf input.pdf text/html 2022-12-15T02:52:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/hostid.html?rev=1671072749&do=diff Hostid Basics Hostid is generated based on the ip address 192(0xc0).168(0xa8).100(0x64).101(0x65) = a8c06564 192(0xc0).168(0xa8).1(0x1).101(0x65) = a8c0651 Change id="12345678" pa=${id:6:2} pb=${id:4:2} pc=${id:2:2} pd=${id:0:2} echo -ne \\x$pa\\x$pb\\x$pc\\x$pd > /etc/hostid echo -ne \\x$pa\\x$pb\\x$pc\\x$pd | sudo tee /etc/hostid text/html 2025-08-29T18:13:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/imagemagick.html?rev=1756491189&do=diff ImageMagick Sample ## Convert 16-bit TIFF (0-65535) to 8-bit TIFF (0-255) convert -depth 8 input.tif output.tif## Convert 16-bit TIFF (0-65535) to 8-bit TIFF (0-255) rescaled as Min=0 and Max=255 convert -depth 8 -auto-level input.tif output.tif## Check image format and characteristics identify input.tif identify -verbose input.tif text/html 2023-03-10T05:55:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/index.html?rev=1678427717&do=diff Linux * Anaconda * Apache * Apt * Awk * Calc * Cat * Clevis * Convert * CPULimit * Cron * Cryptsetup * CUDA (Nvidia) * Dash * Docker * Dvipdfmx * Expect * Fdisk * Find * Ghostscript * Git(Hub) * GitLab * Grep * Grub * Hostid * ImageMagick * Mail * Misc * Mkfs * MPI * Network * Nginx * OoM Killer * OpenSSL * Post Script * Printf * Procmail * Pts * React (Next.js) * Restic * Rsync * Screen * Sed * Shell * Singularity * SpamAssassin * SSH * Sudo * S… text/html 2024-02-29T01:44:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/mail.html?rev=1709171097&do=diff Mail Mailutils (GNU) <https://mailutils.org/> <https://unix.stackexchange.com/questions/695987/how-can-i-make-gnu-mailutils-to-use-an-external-smtp-server> ## Internal echo "[message]" | mail -s "[subject]" [address] echo "[message]" | mail -E "set verbose" -s "[subject]" [address]## External SMTP Server echo "[message]" | mail -E "set sendmail=smtps://[server]" -a "Date: `TZ=Asia/Tokyo date -R`" -a "From: [sender]" -s "[subject]" [address] echo "[message]" | mail -E "set verbose" -E "set se… text/html 2022-12-15T01:31:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/misc.html?rev=1671067899&do=diff Misc Sample ## IP再取得 sudo dhclient eth0## ファンの回転数を最高速にする echo level disengaged | sudo tee /proc/acpi/ibm/fan text/html 2023-05-30T01:58:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/mkfs.html?rev=1685411906&do=diff Mkfs Sample sudo mkfs -t ext4 /dev/sdb1 Use fdisk for partitioning References text/html 2022-12-15T01:49:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/mpi.html?rev=1671068998&do=diff MPI Sample mpirun -f .mpich.lst -n 4 echo "hello" mpirun -f .mpich.lst -n 4 uname --nodename text/html 2023-12-01T15:38:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/network.html?rev=1701445114&do=diff Network NetworkManager (nmcli) <https://qiita.com/liqsuq/items/1474702cb01c9cc9e781> <https://endy-tech.hatenablog.jp/entry/2018/09/08/140950> <https://endy-tech.hatenablog.jp/entry/2019/01/14/012743> <https://densan-hoshigumi.com/server/centos-nmcli-operation> systemctl start NetworkManager systemctl stop NetworkManager systemctl restart NetworkManager systemctl status NetworkManagernmcli networking off nmcli networking onnmcli gennmcli dev nmcli dev show ens192nmcli con show ens192 text/html 2022-08-22T06:22:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/nginx.html?rev=1661149375&do=diff Nginx Abstract インストール忘備録 Install Nginx Install <https://www.nginx.com/resources/wiki/start/topics/tutorials/install/> sudo vi /etc/apt/sources.list.d/nginx.list ====================================== deb https://nginx.org/packages/ubuntu/ jammy nginx deb-src https://nginx.org/packages/ubuntu/ jammy nginx ====================================== sudo apt update ## Err:6 https://nginx.org/packages/ubuntu jammy InRelease ## The following signatures couldn't be verified because the public key is … text/html 2023-05-29T03:32:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/oom-killer.html?rev=1685331179&do=diff OoM Killer Tips A process trying to allocate more memory than available is being killed by the Out-of-Memory Killer on Linux with a short message: Killed References <https://www.instana.com/blog/solving-the-out-of-memory-killer-puzzle/> <https://aegif.jp/alfresco/tech-info/-/20201119-alfresco/1.3> <https://stackoverflow.com/questions/26334151/getting-killed-message-in-python-is-memory-the-issue> <https://unix.stackexchange.com/questions/614950/python-programs-suddenly-get-killed> text/html 2026-04-30T03:11:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/openssl.html?rev=1777518674&do=diff OpenSSL S/MIME Certificate Generate CSR Configuration cat << EOF > csr.conf [ req ] default_bits = 2048 prompt = no distinguished_name = dn string_mask = utf8only [ dn ] C = JP ST = Tokyo O = Company Name organizationIdentifier = NTRJP-1234567890123 CN = Your Name emailAddress = email@example.com EOF text/html 2022-12-15T02:23:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/printf.html?rev=1671071025&do=diff Printf Code \a : ベルを鳴らす \n : 改行 \t : タブ \x : 16進数 %c : 文字 %d : 整数 (10進数) %o : 整数 (08進数) %x : 整数 (16進数) %X : 整数 (16進数) %ld : Long Int 型 %f : 浮動小数点数 %p : ポインタ %s : 文字列 text/html 2024-04-27T14:49:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/procmail.html?rev=1714229348&do=diff Procmail Sample :0 hc * ! ^From: .*from@example.com.* * ^To: .*to@example.com.* ! transfer@example.com :0 c * ! ^From: .*from@example.com.* ! transfer@example.com SpamAssassin :0 fw * ! ^X-Spam.* | spamassassin:0 * ^X-Spam-Status: Yes $MAILDIR/.Spam/ text/html 2022-12-16T02:44:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/ps.html?rev=1671158699&do=diff Post Script Sample %!PS-Adobe-3.0 EPSF-3.0 : 1行目の合言葉 %%Title: PGPLOT PostScript plot : タイトル %%Creator: PGPLOT : 作成したプログラム %%CreationDate: 31-Jan-2008 03:53 : 日付 %%BoundingBox: (atend) : BBを最後に記述する = (atend) %%Orientation: Portrait : Landscape or Portrait %%Pages: (atend) : Pagesを最後に記述する = (atend) %%EndComments : コメント最後 %%BeginProlog : 図の開始 ... : 内容 %%Page : ページ番号 PGPLOT restore showpage : プリントアウトに必要 %%PageTrailer : 追加情報 %%Trailer : 追加情報 %%BoundingBox: 36 44 5… text/html 2022-12-15T02:26:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/pts.html?rev=1671071178&do=diff Pts Process Status ps aux | grep process ls -all /proc/6212/fd Confirm Current TTY tty Attach STDOUT sudo gdb -p 6212 p close(1) p open("/dev/pts/3", 1) p close(2) p open("/dev/pts/3", 1) detach quit text/html 2024-10-23T13:29:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/react.html?rev=1729690195&do=diff React (Next.js) Getting Started <https://nextjs.org/docs/getting-started/installation> <https://www.tohoho-web.com/ex/nextjs.html> Install sudo apt install nodejs sudo apt install npmnode -v ## v18.19.0npm -v ## 9.2.0 Sample with Next.js npx create-next-app@latestWhat is your project named? ... my-app Would you like to use TypeScript? ... No / Yes Would you like to use ESLint? ... No / Yes Would you like to use Tailwind CSS? ... No / Yes Would you like to use `src/` directory? ... No / Yes … text/html 2026-04-21T08:22:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/restic.html?rev=1776759725&do=diff Restic Versioned Backup on Local Storage Install sudo apt install resticsudo restic init -r /mnt/backup/restic ## enter password for new repository: ## enter password again: ## created restic repository c289e935f9 at /mnt/backup/restic Backup sudo restic -p /etc/keys/restic.key -r /mnt/backup/restic backup /home text/html 2024-02-28T02:29:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/rsync.html?rev=1709087347&do=diff Rsync References <https://www.itmedia.co.jp/enterprise/articles/0804/21/news013.html> text/html 2023-07-21T04:49:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/screen.html?rev=1689914962&do=diff Screen Sample sudo apt-get install screenscreen screen -ls screen -x Inside Commands <https://genome.sph.umich.edu/wiki/Screen_Commands> Ctrl-a d : Detach Ctrl-a ESC : Copy Mode > ESC to be aborted References text/html 2022-06-24T04:54:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/sed.html?rev=1656046468&do=diff Sed Sample sed 's/unix/UNIX/g' : 文字列 unix をすべて UNIX で置き換える sed -n 5,8p : 5-8行目だけ表示 sed '5d' : 5行目を削除 sed '/[Tt]est/d' : 文字列 Test あるいは test が入っている行をすべて削除 sed -n '20,25p' : 20行目から25行目までを表示 sed '1,30d' : 1行目から30行目までを削除 sed '1,/^$/d' : 最初の空白行まで表示しない sed -n '/^$/,/^end/p' : 空白行から end で始まる行まで表示 sed '$d : 最終行を表示しない sed -n '/unix/p' : 文字列 unix が入っている行だけを表示 sed '/unix/q' : 文字列 unix が入っている行までを表示 sed '/UNIX/d' : 文字列 unix が入っている行を出力しない sed -n '/UNIX/!p' : 文字列 unix が入っている行… text/html 2023-08-10T07:02:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/shell.html?rev=1691650931&do=diff Shell Sample alias hoge=/home/user/bin/hoge : エイリアスをつける export val="hoge" : 変数の定義 var="`echo hoge`" : コマンドの出力を変数に入力 echo ${hoge} : 変数の表示 declare -i var : 変数を数値として扱う shift : 引数をひとつシフトする command > out.txt : 標準出力(stdout)のファイル出力 command > out.txt : 標準出力(stdout)のファイル追記 command < input.txt : ファイルの内容をコマンドの標準入力(stdin)に入力 command << EOF : 文字列 EOF までの内容をコマンドの標準入力(stdin)に入力 command 1> out.txt : 標準出力(stdout)のファイル出力 command 2> error.log : 標準エラー(stderr)のファイル出力 command 1> out.txt 2… text/html 2024-11-25T01:47:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/singularity.html?rev=1732499233&do=diff Singularity References Singularity <https://sylabs.io/> text/html 2024-04-30T02:14:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/spamassassin.html?rev=1714443291&do=diff SpamAssassin Install sudo apt install spamassassin## Checking Syntax Errors spamassassin --lint See Procmail for enabling SpamAssassin Training /usr/bin/sa-learn --spam ~/Maildir/.Spam/cur /usr/bin/sa-learn --ham ~/Maildir/curls -all ~/.spamassassin References text/html 2025-01-08T05:29:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/ssh.html?rev=1736314147&do=diff SSH Public Key Authentication ssh -i id_rsa user@server Remote Port Forwarding via SSH Tunnel ssh -L 9876:localhost:1234 user@server References text/html 2023-07-24T08:06:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/sudo.html?rev=1690186010&do=diff Sudo Sample ## Pass environment variables to sudo sudo -i env References text/html 2024-02-27T16:06:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/swap.html?rev=1709049964&do=diff Swap Sample ## Preparing additional swap memory of 16GB sudo dd if=/dev/zero of=/var/swap bs=1M count=16384 #sudo mkswap /var/swap sudo mkswap --label swap /var/swap sudo chmod 600 /var/swap sudo swapon /var/swap #sudo swapoff /var/swap#swapon -s cat /proc/swaps ## Filename Type Size Used Priority ## /var/swap file 16777212 755516 -2 text/html 2024-02-27T05:23:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/system.html?rev=1709011413&do=diff System Services systemctl list-unit-files Firewall systemctl stop firewalld systemctl disable firewalld References text/html 2023-03-10T07:59:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/tar.html?rev=1678435155&do=diff Tar Sample ## Home Directoryを構成はそのままで/data/fooにコピーする tar cf - -C ~/ . | tar xpf - -C /data/foo ## Current Directoryを条件を指定して固める (cd ../; find ./src -maxdepth 1 -name "*.sh" | xargs tar cvfhz ./src/.push/src_$(TODAY).tar.gz --exclude=*dev*) text/html 2023-05-29T08:34:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/tee.html?rev=1685349241&do=diff Tee Here Document for Superuser sudo tee output.txt << EOF > /dev/null foo bar baz EOF References text/html 2023-07-07T03:45:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/tmux.html?rev=1688701543&do=diff Tmux Sample sudo apt-get install tmux text/html 2023-07-21T04:57:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/vi.html?rev=1689915466&do=diff Vi Sample sudo apt-get install vim Cursor Movement w : Word Forward b : Word Backword { : Paragraph Beginning } : Paragraph End ^ : Line Beginning $ : Line End Editing dd : Delete Line 3d : Delete 3 Lines yy : Copy Line 3yy : Copy 3 Lines p : Paste u : Undo text/html 2023-03-10T07:41:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/vnc.html?rev=1678434111&do=diff VNC Sample sudo apt-get update sudo apt-get upgrade sudo reboot sudo apt-get install mate-desktop-environment sudo apt-get install tigervnc-common sudo apt-get install tigervnc-standalone-server sudo apt-get install tigervnc-xorg-extensionvncpasswdtigervncserver -xstartup /usr/bin/mate-session -geometry 1920x1080 -localhost no tigervncserver -list tigervncserver -kill :* text/html 2023-03-10T07:42:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/write.html?rev=1678434127&do=diff Write Tips 相手の端末にメッセージを送る Sample write [user] text/html 2022-12-14T15:34:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/xmodmap.html?rev=1671032065&do=diff Xmodmap XEvent xev | grep keycode Sample !!! Caps_Lock => Control_L remove Lock = Caps_Lock keysym Caps_Lock = Control_L add Control = Control_L!!! Prior/Next !keysym End = Prior !keysym Insert = Next!!! Control_L => Caps_Lock !remove Control = Control_L !keysym Control_L = Caps_Lock !add Lock = Caps_Lock text/html 2022-12-15T04:48:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/xrandr.html?rev=1671079696&do=diff Xrandr Sample ## 自動設定 xrandr --output VGA --auto --output LVDS --auto ## 解像度を指定 xrandr --output VGA --mode 1600x1200 --output LVDS --mode 1400x1050 ## デュアル出力 xrandr --output VGA --auto --right-of LVDS xrandr --output VGA --auto --left-of LVDS ## ディスプレイ出力のON/OFF xrandr --output VGA --off xrandr --output LVDS --off ## 2画面クローン xrandr --output VGA --same-as LVDS ## 画面を回転 xrandr --output LVDS --rotate left xrandr --output VGA --rotate left ## 鏡面ディスプレイ xrandr --output "LVDS" --reflect x xrandr … text/html 2022-12-15T04:40:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/xrdb.html?rev=1671079209&do=diff Xrdb Sample xrdb -remove xrdb -merge ~/.Xresources xrdb -query text/html 2023-03-10T07:42:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/xvfb.html?rev=1678434153&do=diff Xvfb Tips ウィンドウを仮想フレームバッファに表示する事が可能 Sample export DISPLAY=":98765.0" Xvfb :98765 -screen 0 1280x1024x24 & ds9 -display :98765 sample.img & pkill Xvfb text/html 2023-03-10T07:42:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/yes.html?rev=1678434165&do=diff Yes Tips 'y' という文字をひたすら繰り返し出力する [expletive] が指定された場合は [expletive] を繰り返し出力する 終了は割り込み文字の入力 (Ctrl+C) で可能 Sample yes [expletive] text/html 2023-12-01T08:08:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.daiphys.com/portal/linux/yum.html?rev=1701418082&do=diff Yum Update yum -y update yum -y update kernel yum clean all