Difference between revisions of "Server Administration"
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(Created page with "<syntaxhighlight> du -csh /var/log/* journalctl --disk-usage sudo journalctl --vacuum-size=100M nano /etc/systemd/journald.conf service systemd-journald restart </Syntaxhighli...") |
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| Line 1: | Line 1: | ||
| + | === SYSTEM LOGS === | ||
<syntaxhighlight> | <syntaxhighlight> | ||
du -csh /var/log/* | du -csh /var/log/* | ||
| Line 5: | Line 6: | ||
nano /etc/systemd/journald.conf | nano /etc/systemd/journald.conf | ||
service systemd-journald restart | service systemd-journald restart | ||
| + | </Syntaxhighlight> | ||
| + | |||
| + | === SWAPPINESS === | ||
| + | <syntaxhighlight> | ||
| + | nano /etc/sysctl.conf | ||
| + | vm.overcommit_memory=1 | ||
| + | vm.swappiness=80 | ||
| + | # restart server | ||
| + | |||
| + | grep processor /proc/cpuinfo | wc -l | ||
| + | nano /etc/nginx/nginx.conf | ||
| + | ulimit -n | ||
| + | |||
| + | # CREATE 4GB SWAP FILE | ||
| + | sudo dd if=/dev/zero of=/swapfile bs=128M count=32 | ||
| + | sudo chmod 600 /swapfile | ||
| + | sudo mkswap /swapfile | ||
| + | sudo swapon /swapfile | ||
| + | sudo swapon -s | ||
| + | sudo vi /etc/fstab | ||
| + | /swapfile swap swap defaults 0 0 | ||
| + | |||
| + | |||
| + | nano /etc/sysctl.conf | ||
| + | free -h | ||
| + | sudo swapon --all --verbose | ||
| + | df -h | ||
| + | |||
| + | </Syntaxhighlight> | ||
| + | |||
| + | ===EXTEND AWS LINUX FILE SYSTEM=== | ||
| + | <syntaxhighlight> | ||
| + | df -hT | ||
| + | sudo lsblk | ||
| + | sudo growpart /dev/nvme0n1 1 | ||
| + | sudo lsblk | ||
| + | df -hT | ||
| + | sudo xfs_growfs -d / | ||
| + | df -hT | ||
</Syntaxhighlight> | </Syntaxhighlight> | ||
Latest revision as of 21:56, 1 May 2024
SYSTEM LOGS
du -csh /var/log/*
journalctl --disk-usage
sudo journalctl --vacuum-size=100M
nano /etc/systemd/journald.conf
service systemd-journald restartSWAPPINESS
nano /etc/sysctl.conf
vm.overcommit_memory=1
vm.swappiness=80
# restart server
grep processor /proc/cpuinfo | wc -l
nano /etc/nginx/nginx.conf
ulimit -n
# CREATE 4GB SWAP FILE
sudo dd if=/dev/zero of=/swapfile bs=128M count=32
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
sudo swapon -s
sudo vi /etc/fstab
/swapfile swap swap defaults 0 0
nano /etc/sysctl.conf
free -h
sudo swapon --all --verbose
df -hEXTEND AWS LINUX FILE SYSTEM
df -hT
sudo lsblk
sudo growpart /dev/nvme0n1 1
sudo lsblk
df -hT
sudo xfs_growfs -d /
df -hT