queuecommand = iscsi_queuecommand, -> int iscsi_queuecommand iscsi_session_chkready -> 检查会话通过iscsi_session_chkready进行。当会话状态不是ISCSI_SESSION_LOGGED_IN时,不适合处理scsi指令。链接检查通过链接是否存在、链接状态、链接可接收的命令窗口是否达到最大值。这几个方面判断 task = iscsi_alloc_...
Putting it all together, you get something like “ls tried to open /dsafsda but couldn’t because it doesn’t exist.” This may seem obvious, but these messages can get a little confusing when you run a shell script that includes an erroneous command under a different name. 综合起来,你...
注意:某些情况下,perf获取到的mysql线程栈是破碎的,类似_Z16dispatch_commandP3THDPK8COM_DATA19enum_server_command这种,非常难读,这种情况下,可以先使用sudo perf script | c++filt命令处理下c++函数命名问题,再将输出给到stackcollapse-perf.pl脚本,c++filt使用效果如下: # 破碎的函数名$ objdump -tT `whichmysql...
man配置文件:/etc/man.config(centos6) | /etc/man_db.conf (CentOS7) man环境变量:指明man文件搜索位置 MANPATH /PATH/TO/SOMEWHERE | MANDATORY_MANPATH /PATH/TO/SOMEWHERE (CentOS7) man -M /PATH/TO/SOMEWHERE COMMAND # 到指定位置下搜索COMMAND命令的手册页并显示 man手册中的段落说明: NAME 名称及简...
On Ubuntu, that prompt should look like name@host:path$, and on Fedora, it’s [name@host path]$. If you’re familiar with Windows, the shell window will look something like a DOS command prompt; the Terminal application in OS X is essentially the same as a Linux shell window. 登录...
3. TRACEROUTE Command tracerouteis a network troubleshooting utility which shows number of hops taken to reach destination also determine packets traveling path. Below we are tracing route to globalDNS server IP Addressand able to reach destination also shows path of that packet is traveling. ...
bash Bourne Again SHell. {GNU}'s {command interpreter} for {Unix}. Bash is a {Posix}-compatible {shell} with full {Bourne shell} syntax, and some {C shell} commands built in. The Bourne Again Shell supports {Emacs}-style command-line editing, job control, functions, and on-line help...
当然curl默认使用GET方式访问。使用了 -d, --data <data> 选项，那么会默认为 POST方法访问。如果此时还想实现 GET 访问，那么可以使用 -G, --get 选项强制curl 使用GET方法访问。同时 -X, --request <command> 选项也可以指定访问方法。POST请求和数据传输 为了抓包查看信息所以使用了 --local-port <num>[...
ctr run [command options] Image|RootFS ID [COMMAND] [ARG...] 例如: ctr run docker.io/library/redis:latest containerd-redis 该命令的实现如下: var runCommand = cli.Command{ Name: "run", Usage: "run a container", ArgsUsage: "Image|RootFS ID [COMMAND] [ARG...]", … Action: func(con...
D [11/Nov/2016:16:13:06 +0800] [Job 23] envp[9]="PATH=/usr/lib/cups/filter:/usr/bin:/usr/bin:/bin:/usr/bin" D [11/Nov/2016:16:13:06 +0800] [Job 23] envp[10]="SERVER_ADMIN=root@T7" D [11/Nov/2016:16:13:06 +0800] [Job 23] envp[11]="SOFTWARE=CUPS/2.2.1" ...