<<用于设置输入结束符号 <<end:表示当输入end的时候结束输入操作 /dev/null表示Linux...) /proc/self/fd/1 错误输出(error output) 2 输出到屏幕(即控制台) /proc/self/fd/2 输出内容重定向 command >/dev/null 2>&1 这样执行就不会有任何信息显示和保存...linux执行命令时会按顺序从左到右读取来确定...
echo "Add console log file" cat << EOF | sudo tee -a /etc/cloud/cloud.cfg.d/05_logging.cfg # This tells cloud-init to redirect its stdout and stderr to # 'tee -a /var/log/cloud-init-output.log' so the user can see output # there without needing to look on the console. out...
No such file or directory rumenz.txt > out.log将标准输出重定向到文件,但是2>&1将错误输出重定向到标准输出,所以out.log...通常用于丢弃不需要的数据输出, 或者用于输入流的空文件 > rm -f $(find / -name rumenz) &> /dev/null 原文链接:https://rumenz.com/rumenbiji/linux-shell-redirect.html...
echo "Add console log file" cat << EOF | sudo tee -a /etc/cloud/cloud.cfg.d/05_logging.cfg # This tells cloud-init to redirect its stdout and stderr to # 'tee -a /var/log/cloud-init-output.log' so the user can see output # there without needing to look on the console. out...
如果不用https协议注掉 # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } # proxy the PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ .php$ { # proxy_pass http://127.0.0.1; #}...
the /etc/rc.tcpip file samba on aix, mount to remote windows installp bos.cifs_fs mount -v cifs -n <hostname>/userid/passwd /<remote_filesystem> /local Debug / trouble shooting # Dump analysis and error report errpt -a strings _ core |...
}#error_page 404 /404.html;# redirect server error pages to the static page /50x.html#error_page 500 502 503 504 /50x.html; location = /50x.html { root html; }# proxy the PHP scripts to Apache listening on 127.0.0.1:80##location ~ \.php$ {# proxy_pass http://127.0.0.1;#}#...
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if (host == NULL) { printf(“IP address error\n”); exit(1); } memcpy((char *)&dest_addr.sin_addr.s_addr, host->h_addr, host->h_length); } else { dest_addr.sin_addr.s_addr = inet_addr(argv[1]); } printf(“PING %s (%s): %d bytes of data.\n”, argv[1], inet_...