Server

Fedora : Hardware Info : dmidecode, lshw

dmidecode -t system dmidecode -t bio dmidecode -t processor dmidecode -t memory lshw -class disk lshw -class network lshw -class bus

linux : [ERROR] mariadb: Aria recovery failed. Hint

# systemctl status mariadb × mariadb.service - MariaDB 10.5.16 database server Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled) Drop-In: /etc/systemd/system/mariadb.service.d └─migrated-from-my.cnf-settings.conf Active: failed (Result: exit-code) since ......; 28s ago Docs: man:mariadbd(8) https://mariadb.com/kb/en/library/systemd/ […]

Fedora : bind disable ipv6 Hint

vi /etc/named.conf filter-aaaa-on-v4 yes; named-checkconf /etc/named.conf vi /etc/sysconfig/named OPTIONS="-4" systemctl restart named-chroot systemctl status named-chroot

Fedora : CPU Thermal Monitor Hint

yum install -y lm_sensors sensors-detect sensors watch sensors\

linux : /var/crash/ : disk full Hint

du -msh /var/crash/* rm /var/crash/????

mlocate : disk full & disable Hint

ps aux | grep updatedb killall updatedb ls -alh /var/lib/mlocate/ -rw-r----- 1 root slocate 30G mlocate.db.xxxxxx rm -f /var/lib/mlocate/mlocate.db.xxxxxx ll /etc/cron.daily/mlocate mkdir /etc/cron.daily/out mv /etc/cron.daily/mlocate /etc/cron.daily/out

Fedora 3X : resin.service regist Hint : systemctl daemon-reload & chkconfig

# cd # wget https://caucho.com/download/rpm-6.8/4.0.63/x86_64/resin-4.0.63-1.x86_64.rpm # rpm -ivh resin-pro-4.0.63-1.x86_64.rpm # systemctl daemon-reload # systemctl enable resin.service resin.service is not a native service, redirecting to systemd-sysv-install. Executing: /usr/lib/systemd/systemd-sysv-install enable resin Failed to execute /usr/lib/systemd/systemd-sysv-install: # yum install chkconfig -y # systemctl enable resin.service resin.service is not a native service, redirecting to systemd-sysv-install. […]