distros:centos
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distros:centos [2016/06/24 17:03] – Sean Rhone | distros:centos [2021/06/18 02:38] (current) – removed Sean Rhone | ||
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- | ====== Information ====== | ||
- | * CentOS 7 | ||
- | |||
- | ====== Download ====== | ||
- | |||
- | * https:// | ||
- | |||
- | ====== Software ====== | ||
- | |||
- | ===== Update ===== | ||
- | |||
- | **** | ||
- | |||
- | sudo yum clean ' | ||
- | |||
- | ===== General ===== | ||
- | |||
- | **** | ||
- | |||
- | sudo yum install htop p7zip unar aria2 hdparm nano unzip | ||
- | |||
- | ====== Settings ====== | ||
- | |||
- | ==== Nano as default editor ==== | ||
- | |||
- | sudo nano '/ | ||
- | |||
- | Defaults editor = / | ||
- | |||
- | ==== Secure Shell ==== | ||
- | |||
- | === Change Listen Port === | ||
- | |||
- | * Connect with ssh ' | ||
- | |||
- | sudo -e '/ | ||
- | |||
- | Port x | ||
- | |||
- | === Firewall === | ||
- | |||
- | == New Port == | ||
- | |||
- | **** | ||
- | |||
- | sudo firewall-cmd --permanent --add-port=' | ||
- | |||
- | == Remove Old == | ||
- | |||
- | **** | ||
- | |||
- | sudo firewall-cmd --permanent --remove-service=' | ||
- | |||
- | ====== Kernel Settings ====== | ||
- | |||
- | ===== Security ===== | ||
- | |||
- | sudo -e '/ | ||
- | |||
- | kernel.dmesg_restrict = 1 | ||
- | kernel.kptr_restrict = 1 | ||
- | |||
- | ====== GRUB ====== | ||
- | |||
- | ===== Timeout ===== | ||
- | |||
- | sudo -e '/ | ||
- | |||
- | GRUB_TIMEOUT=3 | ||
- | | ||
- | ===== BIOS Update ===== | ||
- | |||
- | sudo grub2-mkconfig -o '/ | ||
- | |||
- | ====== Automatic Updates ====== | ||
- | |||
- | ===== Service ===== | ||
- | |||
- | sudo -e '/ | ||
- | |||
- | [Service] | ||
- | Type=oneshot | ||
- | ExecStart='/ | ||
- | ExecStart='/ | ||
- | ExecStart='/ | ||
- | ExecStart='/ | ||
- | |||
- | ===== Timer ===== | ||
- | |||
- | sudo -e '/ | ||
- | |||
- | [Unit] | ||
- | Description=Software Package Maintenance and Updater | ||
- | Wants=network-online.target | ||
- | | ||
- | [Timer] | ||
- | OnCalendar=*-*-* 06:00:00 | ||
- | Persistent=true | ||
- | | ||
- | [Install] | ||
- | WantedBy=timers.target | ||
- | |||
- | ====== Steven Black' | ||
- | |||
- | ===== Service ===== | ||
- | |||
- | sudo -e '/ | ||
- | |||
- | [Service] | ||
- | Type=oneshot | ||
- | ExecStart='/ | ||
- | ExecStart='/ | ||
- | ExecStart='/ | ||
- | ExecStart='/ | ||
- | ExecStart='/ | ||
- | |||
- | ===== Timer ===== | ||
- | |||
- | sudo -e '/ | ||
- | |||
- | [Unit] | ||
- | Description=Hosts File Protection Updater | ||
- | Wants=network-online.target | ||
- | | ||
- | [Timer] | ||
- | OnCalendar=weekly | ||
- | Persistent=true | ||
- | | ||
- | [Install] | ||
- | WantedBy=timers.target | ||
- | |||
- | ====== Notable Folders and Commands ====== | ||
- | |||
- | ===== Show CPU Frequency ===== | ||
- | |||
- | grep ' | ||
- | |||
- | watch -n 0.1 grep \'cpu MHz\' '/ | ||
- | |||
- | ===== Partition Information ===== | ||
- | |||
- | **** | ||
- | |||
- | df -hT | ||
- | |||
- | ===== Optimal GCC compiler flags ===== | ||
- | |||
- | **** | ||
- | |||
- | gcc -v -E -x c -march=native -mtune=native - < /dev/null 2>&1 | grep cc1 | perl -pe 's/ -mno-\S+// | ||
- | |||
- | ===== Remove EXIF data ===== | ||
- | |||
- | **** | ||
- | |||
- | exiftool -all= *.* -overwrite_original | ||
- | |||
- | ===== FirewallD ===== | ||
- | |||
- | ==== List Active Rules ==== | ||
- | |||
- | **** | ||
- | |||
- | sudo firewall-cmd --list-all | ||
- | |||
- | ==== List Available Services ==== | ||
- | |||
- | **** | ||
- | |||
- | sudo firewall-cmd --get-service | ||
- | |||
- | ==== Reload ==== | ||
- | |||
- | **** | ||
- | |||
- | sudo firewall-cmd --reload | ||
- | |||
- | ==== Add/Remove Service ==== | ||
- | |||
- | * Add '' | ||
- | |||
- | sudo firewall-cmd --add-service=x | ||
- | |||
- | sudo firewall-cmd --remove-service=x | ||
- | |||
- | ==== Add/Remove Service ==== | ||
- | |||
- | * Add '' | ||
- | * Change '' | ||
- | |||
- | sudo firewall-cmd --add-port=x/ | ||
- | |||
- | sudo firewall-cmd --remove-port=x/ |
/var/www/wiki/data/attic/distros/centos.1466802185.txt.gz · Last modified: 2016/06/24 17:03 by Sean Rhone