aws - How to run sudo command with no password? - Ask Ubuntu
How does the ubuntu user on the AWS images for Ubuntu Server 12.04 have passwordless sudo for all commands when there is no configuration for it in /etc/sudoers? I'm using Ubuntu server 12.04 on Amazon. I want to add a new user that has the same behavior as the default Ubuntu user. Specifically I want passwordless sudo for this new user. So I've added a new user and went to edit /etc/sudoers (usin
Ubuntu 14.04ã§SSHãƒã‚°ã‚¤ãƒ³æ™‚ã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’カスタマイズ
Ubuntuã«SSHã§ãƒã‚°ã‚¤ãƒ³ã—ãŸéš›ã€ Using username "vagrant". Authenticating with public key "imported-openssh-key" from agent Welcome to Ubuntu 14.04.2 LTS (GNU/Linux 3.13.0-55-generic x86_64) * Documentation: https://help.ubuntu.com/ System information as of Fri Jul 17 15:30:29 JST 2015 System load: 0.0 Users logged in: 1 Usage of /: 5.1% of 39.34GB IP address for eth0: 10.0.2.15 Memory usage: 4% IP address for
NTP ã§æ™‚刻åˆã‚ã›
NTP ã¨ã¯ Network Time Protocol ã®ç•¥ã§ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ä¸Šã§ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆãŒã‚µãƒ¼ãƒãƒ¼ã«å¯¾ã—ã¦æ™‚刻をå•ã„åˆã‚ã›ã‚‹ãŸã‚ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã§ã™ã€‚ NTP サーãƒãƒ¼ã¯ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¨ã®é–“ã§èµ·ã“ã‚‹å¯èƒ½æ€§ãŒã‚る通信ã®é…れも考慮ã—ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®é…ã‚Œã«é–¢ã™ã‚‹æƒ…å ±ã‚‚å†…è”µã—ã¦ã„ã‚‹ãŸã‚ã€æ£ç¢ºãªæ™‚刻åŒæœŸãŒå¯èƒ½ã§ã™ã€‚ NTP を使ã†ã¨ã‚µãƒ¼ãƒãƒ¼ã®æ™‚刻ãŒæ£ç¢ºã«ä¿ãŸã‚Œã‚‹ã®ã§ã€ãƒã‚°ã®æ™‚刻ãŒæ£ç¢ºã«è¨˜éŒ²ã•ã‚Œã€ã‚µãƒ¼ãƒãƒ¼ã®é‹ç”¨ç®¡ç†ã«ã‚‚役立ã¡ã¾ã™ã€‚ NTP ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« NTP 㯠apt-get を使ã£ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¾ã™ã€‚ 以下ã®ã‚ˆã†ã« root 権é™ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚’è¡Œã„ã¾ã™ã€‚ Reading package lists… Done Building dependency tree Reading state information… Done Suggested packages: ntp-doc The f
SSLè¨¼æ˜Žæ›¸ä½œæˆ - 架空線　ã¯ã¦ãªé¿é›£æ‰€
SSL(Secure Socket Layer)ã¯HTTPã‚„POP3ãªã©ã®é€šä¿¡ã‚’æš—å·åŒ–ã—ã€ã‚»ã‚ュアãªãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æŽ¥ç¶šã‚’æä¾›ã™ã‚‹ä¸Šã§æ¬ ã‹ã›ãªã„仕組ã¿ã 。ã¨ãã«Ubuntu Server 9.10ã®æ¨™æº–メールé…é€ã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆã§ã‚ã‚‹Dovecotã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®è¨å®šã§ãƒ—レーンテã‚ストã§ã®ãƒ‘スワードèªè¨¼ã‚’ç¦æ¢ã—ã¦ãŠã‚Šã€äº‹å®Ÿä¸ŠSSLã¯å¿…é ˆã®æ©Ÿèƒ½ã¨ãªã£ã¦ã„る。 ã¨ã“ã‚ãŒã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ä½œæˆã•ã‚Œã‚‹SSLサーãƒè¨¼æ˜Žæ›¸ã¯ã€ã‚µãƒ¼ãƒã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ™‚ã®ãƒ›ã‚¹ãƒˆåã§ç™»éŒ²ã•ã‚Œã¦ãŠã‚Šã€ã‹ãªã‚‰ãšã—も公開時ã®ã‚µãƒ¼ãƒãƒ¼åã¨ã¯ä¸€è‡´ã—ãªã„。クライアントã®ã‚¢ãƒ—リケーションã«ã‚ˆã£ã¦ã¯ã€è¨¼æ˜Žæ›¸ã®æƒ…å ±ã¨ã‚µãƒ¼ãƒãƒ¼ã®FQDNãŒé£Ÿã„é•ã†ã¨æ¯Žå›žè¦å‘Šãƒ€ã‚¤ã‚¢ãƒã‚°ã‚’出ã™å ´åˆãŒã‚ã‚‹ãŸã‚ã€å€‹äººç”¨é€”ã¨ã—ã¦ã‚‚実用的ã¨ã¯è¨€ã„難ã„。 自署åã®ã‚µãƒ¼ãƒè¨¼æ˜Žæ›¸(ã„ã‚ゆる第四種オレオレ証明書)を作æˆã™ã‚‹ãŸã‚ã®ä¾¿åˆ©ãªã‚³ãƒžãƒ³ãƒ‰ã¨ã—ã¦ã€openssl -signkeyオプションやã€
Ubuntu 14.04ã§Postfixã¨Dovecotã¨Cyrus SASLを使ã£ãŸãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒæ§‹ç¯‰ – Webを汚ã™Weblog
æ§‹ç¯‰æ‰‹é † å¿…è¦ãƒ‘ッケージã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« å¿…è¦ãªãƒ‘ッケージをインストールã—ã¾ã™ã€‚ # apt install postfix dovecot-imap dovecot-pop3 sasl2-bin Postfixã®è¨å®š Postfixã®è¨å®šã‚’è¡Œã„ã¾ã™ã€‚ ã¾ãšã€ /etc/postfix/main.cf を編集ã—ã¾ã™ã€‚ ### myhostnameメールサーãƒã®ãƒ›ã‚¹ãƒˆåを指定 ### メールサーãƒã‚’外部公開ã—ã¦ã„ã‚‹å ´åˆã¯ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆä¸Šã§åå‰è§£æ±ºã§ãるホストå myhostname = メールサーãƒã®ãƒ›ã‚¹ãƒˆå ### mydomainã«ãƒ¡ãƒ¼ãƒ«é€ä¿¡æ™‚ã«ä½¿ã†@よりå³ã®ãƒ‰ãƒ¡ã‚¤ãƒ³åを指定 mydomain = メールドメインå myorigin = $mydomain ### inet_interfacesã«ãƒ¡ãƒ¼ãƒ«ã‚’å—ä¿¡ã™ã‚‹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã‚’指定(allã§0.0.0.0:25ãŒLISTEN状
How To Secure Apache with Let's Encrypt on Ubuntu 16.04 | DigitalOcean
Introduction This tutorial will show you how to set up a TLS/SSL certificate from Let’s Encrypt on an Ubuntu 16.04 server running Apache as a web server. SSL certificates are used within web servers to encrypt the traffic between the server and client, providing extra security for users accessing your application. Let’s Encrypt provides an easy way to obtain and install trusted certificates for fr
ã•ãらVPSã«VPN(PPTP)を構築 (Ubuntu 12.04) - conta's diary
æ¼¢ã¯é»™ã£ã¦VPNã«ã¤ãªã„ã©ã‘ã£ï¼ã£ã¦å¤¢ã§èª°ã‹ãŒã•ã•ã‚„ã„ã¦ã„ãŸã®ã§VPNã®æ§‹ç¯‰ã‚’ã‚„ã£ã¦ã¿ãŸã€‚ VPNã«ã—ã¦ãŠã‘ã°é–‹ç™ºã™ã‚‹ã¨ãã‚‚æ—ã‚‹ã—ã€VPN経由ã§ã‚µãƒ¼ãƒãƒ¼ã‹ã‚‰ãƒãƒƒãƒˆã‚µãƒ¼ãƒ•ã‚£ãƒ³ã™ã‚Œã°ã€ãƒ‘ブリックãªãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«ã¤ãªã„ã§ã‚‚ç›—è´ã•ã‚Œã‚‹ãƒªã‚¹ã‚¯ãŒæ¸›ã‚‹ã—ã。 今回ã¯ã•ãらVPSã«Ubuntu12.04をインストールã—ã¦PPTPを使ã£ãŸVPNã‚’æ§‹ç¯‰ï¼ ã„ã–ã£(｀･ω･´)ï¼ 1. pptpdã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« sudo apt-get install pptpd 2. confファイルã®ç·¨é›† ファイルã¯å…¨éƒ¨ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸæ™‚ã«ç”Ÿæˆã•ã‚Œã‚‹ã®ã§ã€ 下記ファイルãŸã¡ã‚’ã“ã‚“ãªæ„Ÿã˜ã§ç·¨é›†ã€‚ /etc/pptpd.conf 今回㯠192.168.200.xxx らã¸ã‚“ã§ipã‚’è¨å®šã€‚ localip 192.168.200.11 remoteip 192.168.200.128-238 â—‹ /etc/ppp/pptpd-
VPN (PPTP) サーãƒã®æ§‹ç¯‰ (Ubuntu 14.04)
ストリーミングをå«ã‚ãŸã™ã¹ã¦ã®é€šä¿¡ã§ IP を変更ã™ã‚‹ãŸã‚ã«ï¼ŒPPTP ã«ã‚ˆã‚‹ VPN ã‚’ Amazon EC2 上ã§æ§‹æˆã—ãŸã®ã§ï¼Œãã®è¨˜éŒ²ã§ã™ï¼Ž サーãƒã®ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ— インスタンスã¯ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€Ÿåº¦ã®å‘上ã®ãŸã‚ m3.medium を用ã„ã¾ã—ãŸï¼Žã‚¹ãƒãƒƒãƒˆã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’使用ã™ã‚‹ã¨ 2014 å¹´ 5 月ç¾åœ¨ã¯ $0.0081/hour 程度ã§ã™ï¼ŽOS 㯠Amazon ãŒç”¨æ„ã—ã¦ã„ã‚‹ Ubuntu Server 14.04 LTS (PV) を使用ã—ã¾ã—ãŸï¼Ž PPTP サーãƒã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨è¨å®š pptpd ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« sudo apt-get install pptpd pptpd ã®è¨å®š /etc/pptpd.conf ãƒãƒ¼ã‚«ãƒ«ã¨ã‹ã¶ã‚‰ãªã„ IP アドレス帯をè¨å®šã—ã¾ã™ï¼Žã“ã“ã§ã¯ 192.168.200.* を使用ã—ã¾ã™ï¼Ž localip 192.168.200.2 remoteip
This Is The Release Date for Ubuntu 16.04 LTS - OMG! Ubuntu
Xenial Xerus is next – but when is it released? The release date of Ubuntu 16.04 LTS is set for April 21, 2016. Codenamed ‘Xenial Xerus’, Ubuntu 16.04 will be the 6th Long Term Support release of the hugely popular open-source operating system. The first LTS was released in June 2006. Ubuntu 16.04 Xenial Xerus will include the Unity 7 desktop, Linux Kernel 4.4, and a host of updated applications.
How to secure an Ubuntu 12.04 LTS server - Part 1 The Basics | How To | The Fan Club | dynamic design solutions
This guide is based on various community forum posts and webpages. Special thanks to all. All comments and improvements are very welcome as this is purely a personal experimental project at this point and must be considered a work in progress. This guide is intended as a relatively easy step by step guide to: Harden the security on an Ubuntu 12.04 LTS server by installing and configuring the follo
Ubuntu 12.04 LTSサーãƒãƒ¼ã‚’安全ã«ã™ã‚‹
タグ： ã‚»ã‚ュリティー Ubuntu ã“ã®è¨˜äº‹ã¯ã€The Fan Clubã¨ã„ã†ã‚µã‚¤ãƒˆã®"How to secure an Ubuntu 12.04 LTS server - Part 1 The Basics"ã¨ã„ã†è¨˜äº‹ã‚’著者ã®Christiaan Diedericksã•ã‚“ã®è¨±å¯ã‚’å¾—ã¦ã€ç¿»è¨³ã—ãŸã‚‚ã®ã§ã™ã€‚ ç§ã¯Ubuntuデスクトップã®ãƒ¦ãƒ¼ã‚¶ã§ã¯ã‚ã‚Šã¾ã›ã‚“ãŒã€Vagrantã‚„Digital Oceanã®ãƒ‰ãƒãƒƒãƒ—レットã§ã€Ubuntu サーãƒãƒ¼ç‰ˆã‚’使用ã™ã‚‹ã“ã¨ãŒã‚ã‚Šã€ã“ã®è¨˜äº‹ã‚’見ã¤ã‘ã¾ã—ãŸã€‚ã¾ã¨ã¾ã£ã¦ã„るよã†ãªã®ã§ã€å°‘ã—ãšã¤ç¿»è¨³ã—ãªãŒã‚‰ã€ç´¹ä»‹ã—ã¦ã„ãã¾ã™ã€‚ ã“ã®è¨˜äº‹ã«ã¯Part2ãŒã‚ã‚Šã¾ã™ã€‚ãã“ã§ã¯ã€ã“ã“ã§ç´¹ä»‹ã—ã¦ã„る内容をデスクトップã®GUIã‹ã‚‰è¨å®šã§ãるツールãŒç´¹ä»‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ã—ã‹ã—ã€ãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—環境ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ãŒå¿…è¦ãªãŸã‚ã€åˆ©ç”¨ã¯é™ã‚‰ã‚Œã‚‹ã§ã—ょã†ã€‚Zenityã§ã¯ãªãdialog
第278回　Ubuntuカーãƒãƒ«ã¨ã®ä»˜ãåˆã„方：Ubuntu Weekly Recipe｜gihyo.jp … 技術評論社
コンピューター上ã§Ubuntuã‚’å‹•ã‹ã™ãŸã‚ã«å¿…è¦ã«ãªã‚‹Linuxカーãƒãƒ«ã¯ã€Ubuntuã«ãŠã„ã¦ã‚‚ã£ã¨ã‚‚é‡è¦ãªã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã§ã™ã€‚今回ã¯ãã‚“ãªLinuxカーãƒãƒ«ã¨Ubuntuã®é–¢ä¿‚ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ Ubuntuカーãƒãƒ«ã®ã“ã¨ã‚’知ã‚ㆠUbuntuã¯ã€ŒLinuxカーãƒãƒ«ã€ã‚’使ã£ãŸLinuxディストリビューションã®1ã¤ã§ã™ã€‚ã©ã®ã‚ˆã†ãªãƒžã‚·ãƒ³ã®ã†ãˆã§UbuntuãŒå‹•ä½œã™ã‚‹ã‹ã€ã©ã®ã‚ˆã†ãªãƒ‡ãƒã‚¤ã‚¹ã‚’Ubuntuã§ä½¿ãˆã‚‹ã‹ã¯ã€ã²ã¨ãˆã«ã‚«ãƒ¼ãƒãƒ«ã«æ‡¸ã‹ã£ã¦ã„ã‚‹ãŸã‚ã«ã€Ubuntuã§ã¯ã‚µãƒãƒ¼ãƒˆæœŸé–“やサãƒãƒ¼ãƒˆå¯¾è±¡ã€å°Žå…¥ã™ã‚‹æ–°æ©Ÿèƒ½ãªã©ã‚’考慮ã—ãŸã†ãˆã§ã€Linuxカーãƒãƒ«ã«Ubuntu独自ã®å¤‰æ›´ã‚’åŠ ãˆã¦ãƒªãƒªãƒ¼ã‚¹ã—ã¦ã„ã¾ã™ã€‚ ãŸã¨ãˆã°ã€ç¾åœ¨Ubuntuã§ä½¿ã‚ã‚Œã¦ã„るカーãƒãƒ«ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ã€æ¬¡ã®ã‚³ãƒžãƒ³ãƒ‰ã§ç¢ºèªã§ãã¾ã™ã€‚ $ uname -rv 3.8.0-25-generic #37-Ubuntu SMP Thu
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
Ubuntu Manpage: ucf - Update Configuration File: preserve user changes in configuration files
How to force ansible apt upgrade to install new configuration files (force-confnew)
Reddit - Dive into anything
How do I create a PPA?
Ubuntuã®ä½¿ã„å‹æ‰‹ã‚’ã§ãã‚‹ã ã‘Macã«è¿‘ã¥ã‘ã‚‹ - Qiita
Vagrant's Ubuntu 16.04 vagrantfile default password
Trusty (14.04) : fglrx-legacy-driver package : Ubuntu
Canonical announces first partners to ship Ubuntu phones around the globe | Insights
{{#tags}}- {{label}}
{{/tags}}