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shellã®trapã«ã¤ã„ã¦è¦šãˆæ›¸ã - Qiita
trap ã‚³ãƒžãƒ³ãƒ‰ã¨ã¯ å®Ÿè¡Œä¸ã®ãƒ—ãƒã‚»ã‚¹ã«å¯¾ã™ã‚‹ã‚·ã‚°ãƒŠãƒ«ã‚’æ¤œçŸ¥ã—ã€æŒ‡å®šã•ã‚ŒãŸå‡¦ç†ã‚’è¿”ã™ã‚³ãƒžãƒ³ãƒ‰ã§ã™ã€‚ ãƒ»ãƒ»ãƒ»ã¨ã€è¨€ã£ã¦ã‚‚ã‚ˆãã‚ã‹ã‚‰ãªã„ã¨æ€ã„ã¾ã™ã€‚ ç‰¹ã«ã€Œã‚·ã‚°ãƒŠãƒ«ã€ã€‚ ã‚·ã‚°ãƒŠãƒ« ã¨ã¯ å®Ÿè¡Œä¸ã®ãƒ—ãƒã‚»ã‚¹ã«å¯¾ã—ã¦ã€ç‰¹å®šã®ã‚¤ãƒ™ãƒ³ãƒˆã‚’é€šçŸ¥ã™ã‚‹ãŸã‚ã«é€å‡ºã•ã‚Œã‚‹ã‚‚ã®ã§ã™ã€‚ ã‚ˆãä½¿ç”¨ã•ã‚Œã‚‹ã®ã¯ã€ãƒ—ãƒã‚»ã‚¹ã‚’çµ‚äº†ã™ã‚‹ãŸã‚ã®ã‚·ã‚°ãƒŠãƒ«ã§ã‚ã‚‹ SIGINT ã‚„ SIGKILL ã§ã™ã€‚ ã‚·ã‚°ãƒŠãƒ«é€å‡ºã«è‰¯ãåˆ©ç”¨ã™ã‚‹ã®ã¯ã€kill ã‚³ãƒžãƒ³ãƒ‰ã¨ã€ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆã§åˆ©ç”¨ã™ã‚‹ Ctrl + C ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚ ä¸Šè¨˜ã®ã‚³ãƒžãƒ³ãƒ‰ã¯ã€ãƒ—ãƒã‚»ã‚¹ã®å¼·åˆ¶çµ‚äº†ãªã©ã§åˆ©ç”¨ã—ãŸäº‹ãŒã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚ ä¸Šè¨˜ã®å¼·åˆ¶çµ‚äº†ã® kill ã‚³ãƒžãƒ³ãƒ‰ã¯ã€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§ -9 ã‚’æŒ‡å®šã—ã¦ã„ã¾ã™ã€‚ -9 ã¯ SIGKILL ã‚’æ„å‘³ã—ã€æŒ‡å®šã—ãŸãƒ—ãƒã‚»ã‚¹ã«å¯¾ã—å¼·åˆ¶çµ‚äº†ã®ã‚·ã‚°ãƒŠãƒ«ã‚’é€å‡ºã—ã¾ã™ã€‚ ãƒ—ãƒã‚»ã‚¹ãŒã“ã®ã‚·ã‚°ãƒŠãƒ«ã‚’é€ã‚‰ã‚Œã‚‹ã¨ã€ã©ã‚“ãªçŠ¶æ…‹ã§ã‚ã‚ã†ã¨å¼·åˆ¶çµ‚äº†ã•ã›ã‚‰ã‚Œ
asa_ca3 2021/03/11
shell

ã‚³ãƒžãƒ³ãƒ‰

Qiita

command

bash

trap
ãƒªãƒ³ã‚¯
Upgrade Chrome from Command Line on Ubuntu
gistfile1.txt `ï¿½mï¿½[U # Install # via http://askubuntu.com/questions/510056/how-to-install-google-chrome wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - sudo sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list' sudo apt-get update sudo apt-get install google-chrome-stable # Update sudo apt-get --o
asa_ca3 2019/09/10
Chrome

ubuntu

google

command

list

linux
ãƒªãƒ³ã‚¯
flag ä¸¦ã«ã‚·ãƒ³ãƒ—ãƒ«ã§ã‚ˆã‚Šå¼·åŠ›ãª CLI ãƒ‘ãƒ¼ã‚µ kingpin ã®ç´¹ä»‹ - Qiita
package main import ( "flag" "fmt" ) var ( verbose = flag.Bool("verbose", false, "Set verbose mode") count = flag.Int("count", 0, "counter") ) func main() { flag.Parse() args := flag.Args() if len(args) < 1 { fmt.Println("Error: args <name> is required.") return } name := &args[0] fmt.Printf("verbose mode: %v, count: %d, name: %s\n", *verbose, *count, *name) } $ go run ex_flag.go --count 10 --verb
asa_ca3 2018/08/22
go

name

ã‚³ãƒžãƒ³ãƒ‰

Calendar

golang

command
ãƒªãƒ³ã‚¯
Dockerã‚³ãƒžãƒ³ãƒ‰ãƒ¡ãƒ¢ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
asa_ca3 2017/06/22
docker

image

name

linux

command
ãƒªãƒ³ã‚¯
Linuxã‚³ãƒžãƒ³ãƒ‰ã§ãƒ†ã‚ã‚¹ãƒˆãƒ‡ãƒ¼ã‚¿ã‚’è‡ªåœ¨ã«æ“ã‚‹ - ã˜ã£ãã‚Šã‚³ãƒˆã‚³ãƒˆç…®è¾¼ã‚“ã ã¿ã‹ã‚“
Linuxã§ãƒ†ã‚ã‚¹ãƒˆãƒ‡ãƒ¼ã‚¿ã‚’æ‰±ã†ã¨ãã«ã€ã‚³ãƒžãƒ³ãƒ‰ã‚’ãƒ‘ã‚¤ãƒ—ã§ç¹‹ã’ã‚‹ã ã‘ã§ã„ã‚ã„ã‚ãªå‡¦ç†ãŒã§ãã¦é¢ç™½ã„ã®ã§ã™ãŒã€ç¶ºéº—ã«æ•´ç†ã•ã‚Œã¦ã„ãªã„æ°—ãŒã™ã‚‹ã®ã§ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ã“ã“ã§ã¯ã€cat, paste, join, grep, head, tail, cut, awk, sed, tr, sort, uniq, wc ã‚’å–ã‚Šä¸Šã’ã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç¸¦ã«çµåˆ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç¸¦ã«çµåˆã—ã¾ã™ã€‚ ã‚³ãƒžãƒ³ãƒ‰ èª¬æ˜Ž cat file1 file2 ... file1, file2, ... ã‚’ç¸¦ã«çµåˆ cat file | ... ã¨ã—ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã®ä¸èº«ã‚’ãƒ‘ã‚¤ãƒ—ã«æµã™ã®ã«ã‚‚ã‚ˆãä½¿ã„ã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ¨ªã«çµåˆ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ¨ªã«çµåˆã—ã¾ã™ã€‚ã‚ã¾ã‚Šä½¿ã‚ãªã„ï¼Ÿ*1 ã‚³ãƒžãƒ³ãƒ‰ èª¬æ˜Ž paste file1 file2 .. file1, file2, ... ã‚’æ¨ªã«çµåˆ join file1 file2 file1 ã¨ file2
asa_ca3 2016/10/12
file

count

Linux

command

grep

shell
ãƒªãƒ³ã‚¯
sbt, a simple build tool | sbt
Simple things easyHello, world!ThisBuild / scalaVersion := "3.3.3"You just need one line of build.sbt to get started with Scala. Learn more on sbt by Example page.sbt newChoose from community-maintained Giter8 templates to jump start your project:$ sbt new scala/scala-seed.g8 $ sbt new playframework/play-scala-seed.g8 $ sbt new akka/akka-http-quickstart-scala.g8 $ sbt new http4s/http4s.g8 $ sbt ne
asa_ca3 2016/05/12
scala

sbt

command
ãƒªãƒ³ã‚¯
How do I change the default port (9000) that Play uses when I execute the "run" command?
How can I change the default port used by the play framework in development mode when issueing the "run" command on the play console. This is for playframework 2.0 beta. Using the http.port configuration parameter either on the command line or in the application.conf seems to have no effect: C:\dev\prototype\activiti-preso>play run --http.port=8080 [info] Loading project definition from C:\dev\pro
asa_ca3 2016/05/12
play

dev

command

application

playframework

port
ãƒªãƒ³ã‚¯
Linuxã‚µãƒ¼ãƒã«ãƒã‚°ã‚¤ãƒ³ã—ãŸã‚‰ã„ã¤ã‚‚ã‚„ã£ã¦ã„ã‚‹ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ - ã‚†ã†ã†ããƒ–ãƒã‚°
ä¸»ã«ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™ºè€…å‘ã‘ã«ã€Linuxã‚µãƒ¼ãƒä¸Šã®å•é¡Œã‚’èª¿æŸ»ã™ã‚‹ãŸã‚ã«ã€ã‚¦ã‚§ãƒ–ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã¨ã—ã¦æ—¥å¸¸çš„ã«ã‚„ã£ã¦ã„ã‚‹ã“ã¨ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ ã¨ã‚Šã‚ãˆãšèª¿ã¹ãŸã“ã¨ã‚’ç¾…åˆ—ã—ã¦ã„ã‚‹ã®ã§ã¯ãªãã€æœ¬å½“ã«è‡ªåˆ†ãŒç¾å ´ã§ä½¿ã£ã¦ã„ã‚‹ã‚‚ã®ã ã‘ã«æƒ…å ±ã‚’çµžã£ã¦ã„ã¾ã™ã€‚ æ™®æ®µä½¿ã£ã¦ã„ã‚‹ã‘ã‚Œã©ã‚‚ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™ºè€…å‘ãã§ã¯ãªã„ã‚‚ã®ã¯ã‚ãˆã¦çœã„ã¦ã„ã¾ã™ã€‚ MySQLã‚„Nginxãªã©ã€å€‹åˆ¥ã®ãƒŸãƒ‰ãƒ«ã‚¦ã‚§ã‚¢ã«é™å®šã—ãŸãƒŽã‚¦ãƒã‚¦ã«ã¤ã„ã¦ã¯æ›¸ã„ã¦ã„ã¾ã›ã‚“ã€‚ ãƒã‚°ã‚¤ãƒ³ã—ãŸã‚‰ã¾ãšç¢ºèªã™ã‚‹ã“ã¨ ä»–ã«ãƒã‚°ã‚¤ãƒ³ã—ã¦ã„ã‚‹äººãŒã„ã‚‹ã‹ç¢ºèªï¼ˆwï¼‰ ã‚µãƒ¼ãƒã®ç¨¼åƒæ™‚é–“ã®ç¢ºèª (uptime) ãƒ—ãƒã‚»ã‚¹ãƒ„ãƒªãƒ¼ã‚’ã¿ã‚‹ (ps) NICã‚„IPã‚¢ãƒ‰ãƒ¬ã‚¹ã®ç¢ºèª (ip) ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ç¢ºèªï¼ˆdfï¼‰ è² è·çŠ¶æ³ç¢ºèª top iostat netstat / ss ãƒã‚°èª¿æŸ» /var/log/messages or /var/log/syslog /
asa_ca3 2016/02/26
Linux

command

server

é‹ç”¨

ã‚³ãƒžãƒ³ãƒ‰

ã‚µãƒ¼ãƒ
ãƒªãƒ³ã‚¯
[éšæ™‚æ›´æ–°]ansibleã§ã‚ˆãä½¿ã†ã‚³ãƒžãƒ³ãƒ‰ãƒ»ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¾ã¨ã‚ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
asa_ca3 2016/02/06
Ansible

command

ãƒãƒ¼ãƒˆã‚·ãƒ¼ãƒˆ

ã¾ã¨ã‚
ãƒªãƒ³ã‚¯
15 Useful Useradd Commands with Examples in Linux
Ravi SaiveLast Updated: November 23, 2023 Read Time: 10 minsCategories Linux Commands 119 Comments We are all aware of the most popular commands called â€˜useraddâ€˜ or â€˜adduserâ€˜ in Linux. There are times when a Linux System Administrator is asked to create user accounts on Linux with specific properties, limitations, or comments. In Linux, the â€˜useraddâ€˜ command is a low-level utility used for adding
asa_ca3 2016/01/29
â€œuseradd -M -N -r -s /bin/false -c "Disabled TecMint Member" claytonâ€

command

Linux

user
ãƒªãƒ³ã‚¯
Androidèµ·å‹•æ™‚ã«ãƒ‰ãƒ©ã‚¤ãƒãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’ãƒãƒ¼ãƒ‰ã™ã‚‹ - h_kojimaã®æ—¥è¨˜
å‰å›žã¯ã€USB WiFiåæ©Ÿå‘ã‘ã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã€æ‰‹å‹•ã§Androidã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—ã™ã‚‹äº‹ã§ã€ç„¡ç·šLANã‚’åˆ©ç”¨å‡ºæ¥ã‚‹ã¨ã“ã‚ã¾ã§è¡Œã£ãŸã€‚ ä»Šå›žã¯ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—ã‚’Androidèµ·å‹•æ™‚ã«è‡ªå‹•çš„ã«è¡Œã†æ–¹æ³•ã«ã¤ã„ã¦æ›¸ãã€‚ Androidã®èµ·å‹•æ™‚ã®ãƒ—ãƒã‚»ã‚¹ã¯ç‰¹æ®Šã§ã‚ã‚Šã€è‡ªå‹•åŒ–ã¾ã§çµæ§‹æ‰‹ã“ãšã£ãŸã€‚ Androidã®èµ·å‹•ãƒ—ãƒã‚»ã‚¹ èµ·å‹•ãƒ—ãƒã‚»ã‚¹ã«é–¢ã—ã¦ã¯ã€äº¬éƒ½ãƒžã‚¤ã‚¯ãƒã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã•ã‚“ã®ãƒ–ãƒã‚°ãŒè©³ã—ã„ã€‚ä»Šå›žã¯ã€ã“ã®ãƒ–ãƒã‚°ã‚’å‚è€ƒã«ã—ãªãŒã‚‰å‡¦ç†ã®æµã‚Œã‚’ç¢ºèªã™ã‚‹ã¤ã‚‚ã‚Šã§è¿½ã£ã¦ã„ãã€‚ Linuxã‚«ãƒ¼ãƒãƒ«ã®èµ·å‹•ãƒ—ãƒã‚»ã‚¹ ä»¥ä¸‹ã®èª¬æ˜Žã§ä½¿ç”¨ã™ã‚‹Linuxã‚«ãƒ¼ãƒãƒ«ã¯ã€Androidã§ä½¿ç”¨ã—ã¦ã„ã‚‹2.6.32ã‚’å‰æã¨ã™ã‚‹ã€‚ ã‚«ãƒ¼ãƒãƒ«ã¯ã€ã‚·ã‚¹ãƒ†ãƒ èµ·å‹•ã®æœ€å¾Œã®ã«init/main.c L.517ã®start_kernel()é–¢æ•°ã‚’ã‚³ãƒ¼ãƒ«ã™ã‚‹(è©³ç´°ã¯ã€Oâ€™REILLY è©³è§£Linuxã‚«ãƒ¼ãƒãƒ«ã®A
asa_ca3 2015/04/26
Android

process

Linux

command
ãƒªãƒ³ã‚¯
Linuxã®ã‚¸ãƒ§ãƒ¼ã‚¯ã‚³ãƒžãƒ³ãƒ‰11å€‹ã‚’ã¾ã¨ã‚ã¦ã¿ãŸ | ä¿ºçš„å‚™å¿˜éŒ² ã€œãªã‚“ã‹ã„ã‚ã„ã‚ã€œ
Linuxã§ä½¿ãˆã‚‹ã‚¸ãƒ§ãƒ¼ã‚¯ã‚³ãƒžãƒ³ãƒ‰ã£ã¦ã©ã‚“ãªã®ãŒã‚ã‚‹ã‚“ã ã‚ã†ï¼Ÿ ã¨ã„ã†ã“ã¨ã§ã€ã¡ã‚‡ã£ã¨èª¿ã¹ã¦ã¾ã¨ã‚ã¦ã¿ãŸã€‚ ã¯ã£ãã‚Šè¨€ã£ã¦å®Ÿç”¨æ€§ã¯çš†ç„¡ãªã®ã§ã€é–“é•ã£ã¦ã‚‚ãƒ¡ã‚¤ãƒ³ã®ã‚µãƒ¼ãƒã‚„ãƒžã‚·ãƒ³ã«ã¯å…¥ã‚Œã¡ã‚ƒãƒ€ãƒ¡ã ãœï¼ 1.sl ã‚¸ãƒ§ãƒ¼ã‚¯ã‚³ãƒžãƒ³ãƒ‰ã¨ã—ã¦å®šç•ªã€‚å®Ÿè¡Œã™ã‚‹ã¨ã€AAã®SLåˆ—è»ŠãŒã‚³ãƒ³ã‚½ãƒ¼ãƒ«ä¸Šã‚’èµ°ã‚ŠæŠœã‘ã‚‹ã€‚ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¯ä»¥ä¸‹ã€‚ debianç³»ã®å ´åˆ apt-get install sl Redhatç³»ã®å ´åˆ yum install sl å®Ÿè¡Œã—ãŸçµæžœãŒã“ã¡ã‚‰ã€‚ ä¸€å¿œã€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒ4å€‹ã»ã©ã¤ã„ã¦ã‚‹ã®ã§ãã®ç´¹ä»‹ã€‚ -a â€¦å°ã•ã„äººï¼ŸãŒåŠ©ã‘ã‚’æ±‚ã‚ã‚‹ã‚ˆã†ã«ãªã‚‹ -lâ€¦SLãŒå°ã•ããªã‚‹ -Fâ€¦SLãŒç”»é¢ä¸Šã®æ–¹ã«ç§»å‹•ã™ã‚‹ã‚ˆã†ã«ãªã‚‹ -eâ€¦SLãŒèµ°ã£ã¦ã„ã‚‹æœ€ä¸ã«ã€ŒCtrl + Cã€ã§é›¢è„±ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¯çµ„ã¿åˆã‚ã›ã¦ä½¿ã†ã“ã¨ã‚‚ã§ãã‚‹ã€‚ 2.cowsay AAã§è¡¨ç¤ºã•ã‚Œã‚‹ã‚¦ã‚·ã«ã€å¼•æ•°ã§è¨˜è¿°ã—ãŸå†…å®¹ã‚’å–‹ã‚‰ã›ã‚‹ã¨
asa_ca3 2015/03/11
yum

grep

ã¾ã¨ã‚

command

ãƒã‚¿

linux
ãƒªãƒ³ã‚¯
system-config-securitylevel-tui - ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ã®è¨å®š
[ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£] RHELã‚„Fedoraã§Firewall(iptables)ã®è¨å®šã‚’è‡ªå‹•ã§è¡Œã£ã¦ãã‚Œã‚‹ãƒ„ãƒ¼ãƒ«ã€‚ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ™‚ã®ç”»é¢ã¨åŒã˜ã‚‚ã®ãŒç«‹ã¡ä¸ŠãŒã‚Šã¾ã™ã€‚ å¤‰æ›´ã¯/etc/sysconfig/iptablesã«ä¿å˜ã•ã‚Œã¾ã™ã€‚ # Firewall configuration written by system-config-securitylevel # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :RH-Firewall-1-INPUT - [0:0] -A INPUT -j RH-Firewall-1-INPUT -A FORWARD -j RH-Firewall-1-INPU
asa_ca3 2015/01/13
firewall

command

iptables

system-config-securitylevel

redhat

rel
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asa_ca3 2014/10/20
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