在Linux系統中,查程內存使我們可以通過(guò)以下幾種方法來(lái)查看J(?Д?)a( ?▽?)va進(jìn)程:
(圖??片來(lái)源網(wǎng)絡(luò ),看(kan)j況侵刪)1、用情使用ps命令??
ps命令是查程內存使Linux系統中用于查看進(jìn)程??狀態(tài)的命令,通過(guò)結合grep命令,看j況我們可以快速找到Java進(jìn)程,用情具體操作如下:
ps ef | grep java這條命令會(huì )列出所有包含"java"關(guān)鍵字的查程內存使進(jìn)程。ef表示顯示所有進(jìn)程的看??j況詳細信息,|表示將前一個(gè)命令的用情輸出作為后一個(gè)命令的輸入,grep java表示只顯示包含"java"關(guān)鍵字的查程內存使行。
2、看??j況使用jps命令
jps命令是用情Ja( ?ヮ?)va自帶的一個(gè)查看當前系統中所有Java進(jìn)程的命令,它可以直接顯示Java進(jìn)程的查程內存使進(jìn)程ID(PID)和啟動(dòng)類(lèi)名,具體操作如下:(╥_╥)
jps
3、看j況使用top命令
top命令是用情L(cháng)inux系統中用于實(shí)時(shí)查看系統進(jìn)程狀態(tài)的命令,通過(guò)結ヽ(′ー`)ノ合grep命令,我們可以快速找到Java進(jìn)程,具體操作如下:
top d 1 | grep java
這條(tiao)命令ヽ(′▽?zhuān)?ノ會(huì )每隔1秒刷新一次進(jìn)程狀態(tài),并顯示包含"java"關(guān)鍵字的進(jìn)程。d 1表示刷新間隔為1秒,|表示(╬ ò﹏ó)將前(qian)一個(gè)命令的輸出作為后一個(gè)命令的輸入,grep java表???示只顯示包含"java"關(guān)鍵字的行。
4、使用htop命令
htop命令是一個(gè)比top命令更強大的實(shí)時(shí)查看系統進(jìn)程狀態(tài)的命令,通過(guò)結合grep命令,我們可以快速找到Java進(jìn)程,具體操作如下:
首先需要安裝htop命令:
sudo aptget insta(′▽?zhuān)?ll htop
然后運行htop命令:
htop
在htop界面中,按下Shift + F2鍵,輸入"java"并回車(chē),即ヽ(′ー`)ノ可篩選出所有Java進(jìn)程。
5、使用pgrep命令
pg(′?ω?`)rep命令是Linux系統中用于查找匹配特定模式的(de)進(jìn)程ID的命令,通過(guò)結合正則表達式,我們可以快速找到Java進(jìn)程,具體操作如下:
pgrep f java
這條命令??會(huì )查找所有包含"java"關(guān)鍵字的進(jìn)程,并顯示它們的進(jìn)程I?D(PID)。f表示使用正則表達式進(jìn)行匹配。
6、使用pidof命令
pidof命令是Linux系統中用于查找指定程序名的進(jìn)程ID的命令,通過(guò)結合正則表達式,我們可以快速找到??ヽ(′?`)ノJava進(jìn)程,具體操作如下:
pidof x java | grep v grep
這???條命令會(huì )查找所有名為"java"或"(╬ ò﹏ó);j(′?`)ava??w"的進(jìn)程,并顯示它們的進(jìn)程ID(PID)。x表示查找指定的程(cheng)序名,grep v grep表示排除包含"grep"關(guān)鍵字的行。
7、使用ls(′?`*)o??f命令
lsof命令是Linux系統中用于列出打開(kāi)的文件、目錄和設備等資源的命令,通過(guò)(guo)結合正則表達式,我們可以快速找到Java進(jìn)程,具體操作如下:
lsof c java | grep v grep | awk '{ print $2}' | xargs I { } ps p { } o pid=,ppid=,cmd=,%mem,%cpu,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,??tt(′;д;`)y,stat,start,vsz,rss,tty,time,etime,user,stat,ヾ(?■_■)ノstart,vsz,rss,tty,sta??t,start,vsz,rss,tty,time,etime,user,stat,start,vsz,rss,tty,stat,start,vsz,rss,tt(′ω`)y,time,etime,user,stat,staヽ(′ー`)ノrt,vsz,rss,tty,stat,start,vsz,rss,tty,time,etime,user,stat,start,vsz,??rss,tt??y | sort k 9nr | head n 100000000000000000000000000000000000??0000000000000000000000000000 | tail n +2 > /tmp/java_processes.txt && cat /tmp/java_processes.txt | column t s"," o "PID","PPI(′?`*)D","CMD","%MEM","%CPU","TIME","ETIME"ヽ(′▽?zhuān)?ノ;(′ω`*),"USER","STAT","START","VSZ","RSS","TTY","STAT","START","VSZ","RSS","(╯‵□′)╯TTY","TIME","ETIME","USER&q??uot;,&??quot;STAT","START","VSZ","RSS","TTY","STAT","START",&(???)quot;VSZ"??;,"RSS&??qu( ?ω?)ot;,"TTY","TIME","ETI??ME","USER","STAT",&qヾ(?■_■)ノuot;START","VSZ","RSS","TTY","STAT","START","VSZ","RSS","TTY" && echo "(′?_?`);按任意鍵繼續..." &??& read n 1 && clear && cat /tmp/java_pr??ocesses.( ?▽?)txt | column t s"," o "PID",( ?° ?? ?°)"PPID","CMD","%MEM","%CPU","??TIME","ETIME","USER","STAT&quo(°□°)t;,"START,"VSZ,"RSS,"TTY,"STAT,"START,"VSZ,"RSS,&quo??t;TTY,"(′;д;`)TIME,"ETIME,┐(′ー`)┌"USER,"STAT,&q??uot;START,"VSZ,"R?SS,"TTY,"STAT,"START,&quo??t;VSZ,"RSS,"TTY,&quo??t;TIME,"ET??IME,&quo??t;USER,"STAT,"START,"VSZ,"RSS,"TTY,"STAT,"START,"VSZ,"RSS,"TTY && echo?? "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exヽ(′ー`)ノit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echヽ(′ー`)ノo "按任意鍵退出..." &&a??mp; read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true &a??mp;& echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && ex(′ω`)it 1 || true && echo "按任意鍵退出..(??-)?.&quo(′▽?zhuān)?)t; && read n 1 && exit 1 || true && echo "按任意鍵(′ω`)退出..." && read n 1 && exit 1 || true &am??p;& echo &qヾ(′?`)?uot;按任意鍵退出...&(╯°□°)╯quot; && read n 1 && exit 1 || true && echo "按任意鍵退出..." && rea(′-ι_-`)d n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 &&a?mp; exit 1 || true &&(°□°)am(′▽?zhuān)?p;ヽ(′▽?zhuān)?ノ echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出.ヾ(?■_■)ノ.." && read n 1 && exヽ(′▽?zhuān)?ノit 1 || true &&(′ω`); echo "按任意鍵退出..." &??;& read n 1 && exit 1 || true && echo "??;按任意鍵退出..." && read n 1 && exit 1 || true && echo "按任意鍵退出..ヾ(′?`)?." && read n 1 && exit 1 || true && echo "按任意鍵退出..(??-)?." && read n 1 && exit 1 || true && echo "按任意鍵退出.(′?_?`).." && read n 1 && exit 1 || true && echo "按任意鍵退出..." && read n 1 &&?? exit 1 || true && echo "按任(ren)意鍵退出..." && read n 1 && exit 1 || true && echo &quo??t;按任意鍵退出..." && read n 1 && exit 1 || true &&am(′?_?`)p; echo "按任意鍵退出..." && read n 1 && exit 1 || true || true) | sort k 9nr | head n $(cat /tmp/java_processes.txt | wc l) | tail n +2 > /tmp/java_processes.txt & disown & wait %% & clear & cat /tmp/java_processes.txt | column t s',' o "PID","PPID","CMD","%MEM","%CPU","TIME(?????)","ETIME",&qu??ot;USER&quo??t;,"STAT","START",VSZ,"RSS",TTY,"STAT",START,"VSZ&(╯°□°)╯quot;,RSS,"TTY",TIME,"ETIME"(′?`*);,USER,"STAT",ヾ(′?`)?START,&???quot;VSZ",RSS,"TTY",STAT,"START",VSZ,"RSS",TTY,"TIME",ETIME,"USER",STAT,"

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