https://quicktasks.ismael.casimpan.com/tags/ubuntu/Recent content in ubuntu on IT QuicktasksHugo -- gohugo.ioCopyright © 2018–2022, Ismael Casimpan Jr.; All Rights ReservedSun, 13 Feb 2022 23:17:11 +0800https://quicktasks.ismael.casimpan.com/post/nodejs-install-in-wsl/Sun, 13 Feb 2022 23:17:11 +0800https://quicktasks.ismael.casimpan.com/post/nodejs-install-in-wsl/ NodeJS 14+ is needed in WSL. Usual installation via apt in Ubuntu doesn't work. This one works so far: 1curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash - 2sudo apt-get install -y nodejshttps://quicktasks.ismael.casimpan.com/post/berryserver/Mon, 10 Aug 2020 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/berryserver/ https://berryboot.alexgoldcheidt.com/https://quicktasks.ismael.casimpan.com/post/install-letsencrypt-ubuntu/Sun, 07 Jun 2020 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/install-letsencrypt-ubuntu/ 1sudo add-apt-repository ppa:certbot/certbot 2sudo apt-get update 3sudo apt-get install python-certbot-apache 4sudo certbot --apache -d one.example.com -d two.example.com If the above don't work, try this: 1sudo apt-get update 2sudo apt-get install software-properties-common 3sudo add-apt-repository universe 4sudo add-apt-repository ppa:certbot/certbot 5sudo apt-get update 6sudo apt-get install certbot python-certbot-nginx Put the following in root crontab (sudo crontab -e) 130 2 * * * /usr/bin/certbot renew >> /var/log/letsencrypt-renew.log Some details in https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-ubuntu-16-04https://quicktasks.ismael.casimpan.com/post/debian-upgradable-list/Wed, 02 Oct 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/debian-upgradable-list/ 1icasimpan@example.org:~$ sudo apt list --upgradable 23Listing... Done 4apache2/xenial-updates 2.4.18-2ubuntu3.9 amd64 [upgradable from: 2.4.18-2ubuntu3.8] 5apache2-bin/xenial-updates 2.4.18-2ubuntu3.9 amd64 [upgradable from: 2.4.18-2ubuntu3.8] 6apache2-data/xenial-updates 2.4.18-2ubuntu3.9 all [upgradable from: 2.4.18-2ubuntu3.8] 7apache2-utils/xenial-updates 2.4.18-2ubuntu3.9 amd64 [upgradable from: 2.4.18-2ubuntu3.8] 8base-files/xenial-updates 9.4ubuntu4.7 amd64 [upgradable from: 9.4ubuntu4.6] 9binutils/xenial-updates 2.26.1-1ubuntu1~16.04.7 amd64 [upgradable from: 2.26.1-1ubuntu1~16.04.6] 10bsdutils/xenial-updates 1:2.27.1-6ubuntu3.6 amd64 [upgradable from: 1:2.27.1-6ubuntu3.4] 11ca-certificates/xenial-updates 20170717~16.04.2 all [upgradable from: 20170717~16.04.1] 12cloud-init/xenial-updates 18.4-0ubuntu1~16.04.2 all [upgradable from: 18.2-4-g05926e48-0ubuntu1~16.04.2] 13cloud-initramfs-copymods/xenial-updates 0.27ubuntu1.6 all [upgradable from: 0.27ubuntu1.5] 14cloud-initramfs-dyn-netconf/xenial-updates 0.27ubuntu1.6 all [upgradable from: 0.https://quicktasks.ismael.casimpan.com/post/build-ubuntu-kernel/Mon, 30 Sep 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/build-ubuntu-kernel/ See https://wiki.ubuntu.com/Kernel/BuildYourOwnKernelhttps://quicktasks.ismael.casimpan.com/post/directory-not-found-apache-debian/Mon, 30 Sep 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/directory-not-found-apache-debian/ Some SSL Certs needs to validate through a text file served in apache. Something like: http://example.org/.well-known/pki-validation/F70E08C160E9B8C7GB488B8AEB246D11B.txt Solution: Add similar configuration in the virtualhost file in apache: 1Alias /.well-known/pki-validation/ /var/www/sites/example.org/.well-known/pki-validation/ 2<Directory "/var/html/example.org/.well-known/pki-validation"> 3Order allow,deny 4Allow from all 5Satisfy all 6</Directory>https://quicktasks.ismael.casimpan.com/post/blacklist-package-upgrade-in-debian/Mon, 30 Sep 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/blacklist-package-upgrade-in-debian/ 1apt hold <package> See https://www.tecmint.com/disable-lock-blacklist-package-updates-ubuntu-debian-apt/https://quicktasks.ismael.casimpan.com/post/upgrading-unsupported-debian-os/Mon, 30 Sep 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/upgrading-unsupported-debian-os/ In our example, we have Debian Squeeze (6.0) and it's been unsupported since Feb 2016. We can no longer install nor update the packages until you point it to another source...the archives. So, in /etc/apt/sources.list, add you will see: 1deb http://ftp.us.debian.org/debian/ squeeze main 2deb-src http://ftp.us.debian.org/debian/ squeeze main Replace it with: 1deb http://archive.debian.org/debian squeeze main 2deb http://archive.debian.org/debian squeeze-lts main and you can now access 'apt-get' or 'dpkg' as before (but limited to what's in the archive).https://quicktasks.ismael.casimpan.com/post/install-php-curl-56-ubuntu/Sat, 28 Sep 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/install-php-curl-56-ubuntu/ 1sudo apt-get install php5.6-curl More info in https://stackoverflow.com/questions/40567133/cannot-add-ppa-ppaondrej-php5-5-6https://quicktasks.ismael.casimpan.com/post/install-mcrypt-php71-ubuntu/Sat, 28 Sep 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/install-mcrypt-php71-ubuntu/ 1sudo add-apt-repository ppa:ondrej/php 2sudo apt-get update 3sudo apt-get install mcrypt php7.1-mcrypthttps://quicktasks.ismael.casimpan.com/post/ufw-list-rules-in-ubuntu-machine/Sat, 21 Sep 2019 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/ufw-list-rules-in-ubuntu-machine/ 1root@xxx:/var/log# ufw status 2Status: active 34To Action From 5-- ------ ---- 622 LIMIT Anywhere 780 ALLOW Anywhere 8443 ALLOW Anywhere 9??41908/tcp ALLOW Anywhere 10Anywhere ALLOW 115.85.11.98 1125/tcp ALLOW Anywhere 124444/tcp ALLOW Anywhere 134444/udp ALLOW Anywhere 1422 (v6) LIMIT Anywhere (v6) 1580 (v6) ALLOW Anywhere (v6) 16443 (v6) ALLOW Anywhere (v6) 1741908/tcp (v6) ALLOW Anywhere (v6) 1825/tcp (v6) ALLOW Anywhere (v6) 194444/tcp (v6) ALLOW Anywhere (v6) 204444/udp (v6) ALLOW Anywhere (v6)https://quicktasks.ismael.casimpan.com/post/drupal-memcache/Mon, 09 Apr 2018 00:20:25 +0800https://quicktasks.ismael.casimpan.com/post/drupal-memcache/ Had to install as follows (need to be php7.x): 1pecl install memcached Dependencies may need to be installed 1# yum groupinstall "Development tools" 2# yum install zlib zlib-devel 3# yum install php php-devel php-pear 4echo "extension=memcache.so" >> /etc/php.d/memcache.ini See https://tecadmin.net/install-memcached-with-pecl-memcache-on-centos-rhel/ For Ubuntu 16.x (with php5.6.x) 1apt-get install memcached 2apt-get install php-memcache