linux:redhat
no way to compare when less than two revisions
Differences
This shows you the differences between two versions of the page.
| Previous revisionLast revision | |||
| — | linux:redhat [2023/04/26 11:53] – Jan Forman | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| + | ====== Redhat / Centos on server ====== | ||
| + | ===== Rocky Linux / CentOS / Oracle Linux 8 ===== | ||
| + | This is a workaround for the `postgresql.service` remaining stuck in status “deactivating”: | ||
| + | Create the file `/ | ||
| + | < | ||
| + | [Service] | ||
| + | ExecStopPost=+/ | ||
| + | </ | ||
| + | |||
| + | |||
| + | ===== Set Localization ===== | ||
| + | < | ||
| + | localectl set-locale LANG=en_US.UTF-8 | ||
| + | </ | ||
| + | |||
| + | ===== Rename ethX network ===== | ||
| + | |||
| + | < | ||
| + | |||
| + | ===== Kernel limits ===== | ||
| + | |||
| + | < | ||
| + | fs.aio-max-nr = 1048576 | ||
| + | fs.file-max = 6815744 | ||
| + | fs.inotify.max_user_watches=524288 | ||
| + | fs.inotify.max_user_instances = 1024 | ||
| + | kernel.sem = 250 320000 100 1280 | ||
| + | kernel.shmmax = 4398046511104 | ||
| + | kernel.shmmni = 4096 | ||
| + | net.ipv4.ip_local_port_range = 9000 65500 | ||
| + | net.core.rmem_default = 262144 | ||
| + | net.core.rmem_max = 4194304 | ||
| + | net.core.wmem_default = 262144 | ||
| + | net.core.wmem_max = 1048576 | ||
| + | net.ipv4.tcp_challenge_ack_limit = 1048576 // CVE-2016-5389 | ||
| + | </ | ||
| + | |||
| + | ===== File limits ===== | ||
| + | < | ||
| + | * soft nofile 102400\\ | ||
| + | * hard nofile 102400\\ | ||
| + | * soft nproc 10240\\ | ||
| + | * hard nproc 10240\\ | ||
| + | |||
| + | [[http:// | ||
| + | |||
| + | / | ||
| + | / | ||
| + | / | ||
| + | < | ||
| + | session required pam_limits.so | ||
| + | </ | ||
| + | |||
| + | ===== Systemd ===== | ||
| + | < | ||
| + | |||
| + | ===== Change IO Scheduler ===== | ||
| + | / | ||
| + | < | ||
| + | title Red Hat Enterprise Linux Server (2.6.18-8.el5) | ||
| + | root (hd0, | ||
| + | kernel / | ||
| + | initrd / | ||
| + | </ | ||
| + | |||
| + | ===== Disable Hugepage ===== | ||
| + | < | ||
| + | grub.conf | ||
| + | < | ||
linux/redhat.txt · Last modified: 2023/04/26 11:53 by Jan Forman