Yum
yum history list yum history list all yum history info id yum history undo id yum history redo id yum list available yum install yum-plugin-versionlock yum versionlock grub2* yum versionlock list
Firewalld
firewall-cmd --list-all firewall-cmd --list-all-zones firewall-cmd --list-rich-rules firewall-cmd --get-active-zones firewall-cmd --get-zones firewall-cmd --set-log-denied= firewall-cmd --get-services
Elasticsearch
curl localhost:9200/_cluster/health?pretty
curl localhost:9200/_cluster/settings?pretty
curl localhost:9200/_cat/shards?v
curl localhost:9200
curl localhost:9200/_nodes/_all/settings?pretty
curl -X PUT "localhost:9200/_cluster/settings?pretty" -H 'Content-Type: application/json' -d '{"persistent":{"cluster.routing.allocation.enable": "primaries"}}'
curl -X PUT "localhost:9200/_cluster/settings?pretty" -H 'Content-Type: application/json' -d '{"persistent":{"cluster.routing.allocation.enable": "all"}}'
Pip
pip install package
pip install -U package
pip install package==version
pip install package==
pip uninstall package
pip list
pip list -o
pip show
Virtualenv
workon virtualenv_name
lsvirtualenv
mkvirtualenv virtualenv_name
rmvirtualenv virtualenv_name