設置環境變數linux

Ⅰ linux璁劇疆鐜澧冨彉閲忥紙甯哥敤鏂規硶錛

Linux鏄涓縐嶅箍娉涗嬌鐢ㄧ殑鎿嶄綔緋葷粺錛屽畠鎻愪緵浜嗗己澶х殑鍛戒護琛屽伐鍏峰拰鐏墊椿鐨勯厤緗閫夐」銆傚湪Linux涓錛岃劇疆鐜澧冨彉閲忔槸涓欏瑰父瑙佺殑浠誨姟錛屽畠鍙浠ヨ╂垜浠瀹氫箟緋葷粺鑼冨洿鍐呯殑鍏ㄥ矓鍙橀噺錛屼互渚誇簬搴旂敤紼嬪簭鐨勪嬌鐢ㄣ

浠涔堟槸鐜澧冨彉閲

鐜澧冨彉閲忔槸鍦ㄦ搷浣滅郴緇熶腑瀹氫箟鐨勪竴浜涘彉閲忥紝瀹冧滑瀛樺偍鐫鏈夊叧緋葷粺榪愯岀幆澧冪殑淇℃伅銆傝繖浜涘彉閲忓彲浠ュ湪涓嶅悓鐨勫簲鐢ㄧ▼搴忎箣闂村叡浜鍜岃塊棶錛屼嬌寰楀簲鐢ㄧ▼搴忚兘澶熸牴鎹鐜澧冨彉閲忕殑鍊兼潵鎵ц屼笉鍚岀殑鎿嶄綔銆

甯哥敤鐨勭幆澧冨彉閲

鍦↙inux涓錛屾湁涓浜涘父鐢ㄧ殑鐜澧冨彉閲忛渶瑕佹垜浠璁劇疆錛屼互渚誇簬緋葷粺鍜屽簲鐢ㄧ▼搴忕殑姝ｅ父榪愯屻備互涓嬫槸涓浜涘父瑙佺殑鐜澧冨彉閲忥細

1.PATH錛氭寚瀹氬彲鎵ц岀▼搴忕殑鎼滅儲璺寰勩

2.HOME錛氭寚瀹氱敤鎴風殑涓葷洰褰曘

3.LD_LIBRARY_PATH錛氭寚瀹氬姩鎬侀摼鎺ュ簱鐨勬悳緔㈣礬寰勩

4.java_HOME錛氭寚瀹欽ava鐨勫畨瑁呰礬寰勩

5.LANG錛氭寚瀹氱郴緇熺殑榛樿よ璦銆

璁劇疆鐜澧冨彉閲忕殑鏂規硶

鍦↙inux涓錛屾湁澶氱嶆柟娉曞彲浠ヨ劇疆鐜澧冨彉閲忋備笅闈浠嬬粛鍑犵嶅父鐢ㄧ殑鏂規硶錛

1.鍦ㄥ懡浠よ屼腑璁劇疆

鍙浠ヤ嬌鐢╡xport鍛戒護鍦ㄥ懡浠よ屼腑涓存椂璁劇疆鐜澧冨彉閲忥紝渚嬪傦細

```

exportPATH=/usr/local/bin:$PATH

```

涓婅堪鍛戒護灝/usr/local/bin娣誨姞鍒癙ATH鐜澧冨彉閲忎腑銆

2.鍦ㄧ敤鎴烽厤緗鏂囦歡涓璁劇疆

鍙浠ュ皢鐜澧冨彉閲忕殑璁劇疆娣誨姞鍒扮敤鎴風殑閰嶇疆鏂囦歡涓錛屼緥濡傚湪~/.bashrc鏂囦歡涓娣誨姞浠ヤ笅鍐呭癸細

```

exportJAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64

exportPATH=$JAVA_HOME/bin:$PATH

```

涓婅堪鍐呭瑰皢璁劇疆JAVA_HOME鍜屽皢JAVA_HOME/bin娣誨姞鍒癙ATH鐜澧冨彉閲忎腑銆

3.鍦ㄧ郴緇熼厤緗鏂囦歡涓璁劇疆

鍙浠ュ皢鐜澧冨彉閲忕殑璁劇疆娣誨姞鍒扮郴緇熺殑閰嶇疆鏂囦歡涓錛屼緥濡傚湪/etc/profile鏂囦歡涓娣誨姞浠ヤ笅鍐呭癸細

```

exportJAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64

exportPATH=$JAVA_HOME/bin:$PATH

```

涓婅堪鍐呭瑰皢璁劇疆JAVA_HOME鍜屽皢JAVA_HOME/bin娣誨姞鍒癙ATH鐜澧冨彉閲忎腑銆

楠岃瘉鐜澧冨彉閲忕殑璁劇疆

瀹屾垚鐜澧冨彉閲忕殑璁劇疆鍚庯紝鎴戜滑鍙浠ヤ嬌鐢ㄤ互涓嬪懡浠ゆ潵楠岃瘉鐜澧冨彉閲忔槸鍚︾敓鏁堬細

```

echo$PATH

```

璇ュ懡浠ゅ皢杈撳嚭PATH鐜澧冨彉閲忕殑鍊箋