您好,登錄后才能下訂單哦!
這篇文章主要介紹“CentOS7中systemctl命令的用法”,在日常操作中,相信很多人在CentOS7中systemctl命令的用法問題上存在疑惑,小編查閱了各式資料,整理出簡單好用的操作方法,希望對大家解答”CentOS7中systemctl命令的用法”的疑惑有所幫助!接下來,請跟著小編一起來學習吧!
Linux Systemctl是一個系統(tǒng)管理守護進程、工具和庫的集合,用于取代System V、service和chkconfig命令,初始進程主要負責控制systemd系統(tǒng)和服務管理器。通過Systemctl –help可以看到該命令主要分為:查詢或發(fā)送控制命令給systemd服務,管理單元服務的命令,服務文件的相關命令,任務、環(huán)境、快照相關命令,systemd服務的配置重載,系統(tǒng)開機關機相關的命令。
systemctl list-unit-files
systemctl list-units
systemctl –failed
systemctl is-enabled crond.service
systemctl list-unit-files –type=service
systemctl start httpd.service systemctl restart httpd.service systemctl stop httpd.service systemctl reload httpd.service systemctl status httpd.service
注意:當我們使用systemctl的start,restart,stop和reload命令時,終端不會輸出任何內容,只有status命令可以打印輸出。
systemctl is-active mysql.service systemctl enable mysql.service systemctl disable mysql.service
systemctl mask ntpdate.service ln -s /dev/null /etc/systemd/system/ntpdate.service systemctl unmask ntpdate.service rm /etc/systemd/system/ntpdate.service
systemctl kill crond
systemctl list-unit-files –type=mount
systemctl start tmp.mount systemctl stop tmp.mount systemctl restart tmp.mount systemctl reload tmp.mount systemctl status tmp.mount
systemctl is-active tmp.mount systemctl enable tmp.mount systemctl disable tmp.mount
systemctl mask tmp.mount ln -s /dev/null /etc/systemd/system/tmp.mount systemctl unmask tmp.mount rm /etc/systemd/system/tmp.mount
systemctl list-unit-files –type=socket
systemctl show mysql
systemctl list-dependencies httpd.service
systemctl rescue
systemctl emergency
systemctl get-default
systemctl isolate runlevel5.target
或
systemctl isolate graphical.target
systemctl isolate runlevel3.target
或
systemctl isolate multiuser.target
systemctl set-default runlevel3.target systemctl set-default runlevel5.target
systemctl reboot systemctl halt systemctl suspend systemctl hibernate systemctl hybrid-sleep
對于不知運行等級為何物的人,說明如下。
Runlevel 0 : 關閉系統(tǒng) Runlevel 1 : 救援,維護模式 Runlevel 3 : 多用戶,無圖形系統(tǒng) Runlevel 4 : 多用戶,無圖形系統(tǒng) Runlevel 5 : 多用戶,圖形化系統(tǒng) Runlevel 6 : 關閉并重啟機器
到此,關于“CentOS7中systemctl命令的用法”的學習就結束了,希望能夠解決大家的疑惑。理論與實踐的搭配能更好的幫助大家學習,快去試試吧!若想繼續(xù)學習更多相關知識,請繼續(xù)關注億速云網(wǎng)站,小編會繼續(xù)努力為大家?guī)砀鄬嵱玫奈恼拢?/p>
免責聲明:本站發(fā)布的內容(圖片、視頻和文字)以原創(chuàng)、轉載和分享為主,文章觀點不代表本網(wǎng)站立場,如果涉及侵權請聯(lián)系站長郵箱:is@yisu.com進行舉報,并提供相關證據(jù),一經查實,將立刻刪除涉嫌侵權內容。