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debian_common [2020/08/31 04:39] โ€“ [Install & upgrade Nginx] Jรบne Parkdebian_common [2024/04/18 07:49] โ€“ [Major LTS upgrade] Jรบne Park
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     * [[:cell_epiaux|Jรบne's Primus โ”€ EPiAUX 5X]]     * [[:cell_epiaux|Jรบne's Primus โ”€ EPiAUX 5X]]
     * [[:cell_epihex|Jรบne's Extentus โ”€ EPiHEX 6]]     * [[:cell_epihex|Jรบne's Extentus โ”€ EPiHEX 6]]
 +    * [[:cell_epimer|Jรบne's Maximus โ”€ EPiMER 5P]]
     * [[:cell_epinex|Jรบne's Secondus โ”€ EPiNEX 5]]     * [[:cell_epinex|Jรบne's Secondus โ”€ EPiNEX 5]]
     * [[:cell_epitab|Jรบne's Laminus - EPiTAB 7]]     * [[:cell_epitab|Jรบne's Laminus - EPiTAB 7]]
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 ===== Initial steps =====  ===== Initial steps ===== 
  
 +==== Watchlist for backup ==== 
 +
 +<code bash> 
 +/etc/nginx/sites-available/* 
 +/var/www/*
 +/etc/transmission-daemon/  
 +/opt/scripts/ 
 +</code>
 +
 +**update-motd** 
 +<code bash>
 +/etc/update-motd.d/
 +</code>
 +
 +**crontab** 
 +<code bash> 
 +sudo crontab -l 
 +sudo -u www-data crontab -l 
 +crontab -l 
 +</code>
 +
 +**MariaDB** ''per DATABASE''
 +=== Backup MariaDB DATABASE === 
 +
 +<code bash> 
 +/usr/bin/mysqldump --single-transaction -h localhost -u root -p[database_passwd] [database_name] > /..(path)../.backup/[database_name]-sqlbkp_`date +"%Y%m%d"`.bak
 +</code> 
 +
 +---- 
 +
 +=== Backup using rsync command === 
 +
 +== Backup Nginx configuration files == 
 +<code bash> 
 +sudo rsync -avh --progress /etc/nginx/sites-available/ /home/meson/.backup/nginx/nginx_config_`date +"%Y%m"`/ 
 +</code> 
 +
 +== Backup HTML source files == 
 +<code bash> 
 +sudo rsync -avh --progress /var/www/ /home/meson/.backup/html/html_backup_`date +"%Y%m"`/
 +</code> 
 +
 +----
 +=== Remote backup for webpages === 
 +Rsync with ''[TARGET]'' using rsync from ''[SOURCE]''  
 +<code bash> 
 +sudo -u www-data rsync -azP --exclude '.ssh' -e 'ssh -p [port_number]' --rsync-path="sudo rsync" /var/www/ [user]@[TARGET]:"/[TARGET PATH]../../"
 +</code> 
 +Put ''[SOURCE]'' public key in ''[TARGET]'' user's ''authorized_keys'' 
 +
 +----
 +==== Configure log files ==== 
 +
 +Edit ''/etc/nginx/nginx.conf'' 
 +<code nginx> 
 +        access_log /var/log/nginx/_access.log;
 +        error_log /var/log/nginx/_error.log;
 +</code> 
 +
 +----
 +==== Purge log files ==== 
 +
 +== Cleaning compressed log files == 
 +<code bash> 
 +sudo find /var/log -name '*.gz' -exec rm {} \;
 +</code> 
 +
 +----
 +
 +==== Set hostnames ==== 
 +
 +<code bash> 
 +sudo hostname HOSTiD 
 +sudo hostnamectl HOSTiD 
 +</code> 
 +
 +Edit ''/etc/hostname'' with full domain name 
 +
 +<code bash> 
 +hostid.mydomain.com
 +</code> 
 +
 +----
 ==== Enable SSH ====  ==== Enable SSH ==== 
  
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 Append ''public keys'' for SSH client.  Append ''public keys'' for SSH client. 
  
-=== Enable colorful terminal === +---ย 
 +ย 
 +=== SSH Key to ED25519 === ย 
 +ย 
 +<code bash> ย 
 +ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "john@example.com"ย 
 +</code>ย 
 +ย 
 +  * ''-o'': Save the private-key using the new OpenSSH formatย 
 +  * ''-a'': KDF (Key Derivation Function) rounds. Higher numbers result in slower passphrase verification, increasing the resistance to brute-force password cracking should the private-key be stolen.ย 
 +  * ''-C'': An option to specify a commentย 
 +ย 
 +---ย 
 +ย 
 +==== Enable colorful terminal ==== 
  
 Comment out **''force_color_prompt=yes''** in ''~/.bashrc'' Comment out **''force_color_prompt=yes''** in ''~/.bashrc''
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 </code> </code>
    
 +=== Time stamp prompt === 
 +
 +Edit ''~/.bashrc'' and change ''PS1'' line 
 +
 +<code bash> 
 +if [ "$color_prompt" = yes ]; then
 +    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]: \[\033[01;33m\]\D{%T}\[\033[00m\] \[\033[01;37m\]\w\$\[\033[00m\] '
 +else
 +    PS1='${debian_chroot:+($debian_chroot)}\u@\h: \D{%T} \w\$ '
 +fi
 +</code> 
 +
 +Save and load ''.bashrc'' 
 +
 +<code bash> 
 +source ~/.bashrc 
 +</code> 
 +
  
 ---- ----
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 ---- ----
 +=== NO-IP with ddclient === 
 +
 +<code ini>
 +  protocol=dyndns2
 +  server=dynupdate.no-ip.com
 +  login=your_login_id
 +  password=your_password
 +  your_domain.com
 +</code>
 +
 +----
 +
 === Google Domains with API ===  === Google Domains with API === 
  
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 ---- ----
  
 +
 +
 +
 +===== Install Services ===== 
 +
 +==== Nextcloudโ„ข ====
 +
 +[[os_nextcloud|Nextcloud 101]] --- Nextcloud user's Guides
 +
 +----
  
 ===== Upgrade & Maintenance ===== ===== Upgrade & Maintenance =====
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 MariaDB debug packages will now show up when searching for 'mariadb' with apt and are distinguished by the `-dbgsym` suffix. Debug packages are generally only needed during development and usually should not be installed unless you know that you need them. MariaDB debug packages will now show up when searching for 'mariadb' with apt and are distinguished by the `-dbgsym` suffix. Debug packages are generally only needed during development and usually should not be installed unless you know that you need them.
 +
 +----
 ==== Basic commands 101 ====  ==== Basic commands 101 ==== 
  
  • debian_common
  • Last modified: 2024/04/18 08:58
  • by Jรบne Park