於終端機上按tab (auto-complete)出現下列錯誤:
bash: cannot create temp file for here-document: No space left on device
[root@localhost bin]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 44G 44G 20K 100% /
devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 420M 3.5G 11% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/sda1 1014M 226M 789M 23% /boot
tmpfs 783M 12K 783M 1% /run/user/42
tmpfs 783M 0 783M 0% /run/user/0
tmpfs 783M 0 783M 0% /run/user/1000
HDD滿載了
ANS:
1.使用命令df -h 檢查磁碟狀況
2.使用命令du -h --max-depth=1 /var/log/* 檢查/var/log下檔案的大小
3.使用命令du -sh /* 一層一層檢查檔案大小
2018年7月24日 星期二
2018年3月31日 星期六
Linux using proxy
====CentOS yum using proxy====
#vi /etc/yum.conf
proxy http://proxy-server-ip:port
====Ubuntu 16.04 apt using proxy====
#vi /etc/apt/apt.conf
Acquire::http::Proxy "http://proxy-server-ip::8080";
====git using proxy====
git config http.proxy http://proxy.server:port
git config http.proxy http://myusername:mypassword@proxy.server:port
git config --global http.proxy http://proxy.server:port
====wget using proxy====
~/.wgetrc
use_proxy = on
http_proxy = http://username:password@proxy.server.address:port/
https_proxy = http://username:password@proxy.server.address:port/
ftp_proxy = http://username:password@proxy.server.address:port/
2018年3月30日 星期五
Check PowerShell version
PS E:\> get-host
Name : ConsoleHost
Version : 5.1.14393.1944
InstanceId : 0a7a283a-5bed-4c0a-8853-3517117e5814
UI : System.Management.Automation.Internal.Host.InternalHostUserInterface
CurrentCulture : en-US
CurrentUICulture : en-US
PrivateData : Microsoft.PowerShell.ConsoleHost+ConsoleColorProxy
DebuggerEnabled : True
IsRunspacePushed : False
Runspace : System.Management.Automation.Runspaces.LocalRunspace
PS E:\> $PSVersionTable
Name Value
---- -----
PSVersion 5.1.14393.1944
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.14393.1944
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
PS E:\> $host.Version
Major Minor Build Revision
----- ----- ----- --------
5 1 14393 1944
PS E:\> $PSVersionTable.PSVersion
Major Minor Build Revision
----- ----- ----- --------
5 1 14393 1944
Name : ConsoleHost
Version : 5.1.14393.1944
InstanceId : 0a7a283a-5bed-4c0a-8853-3517117e5814
UI : System.Management.Automation.Internal.Host.InternalHostUserInterface
CurrentCulture : en-US
CurrentUICulture : en-US
PrivateData : Microsoft.PowerShell.ConsoleHost+ConsoleColorProxy
DebuggerEnabled : True
IsRunspacePushed : False
Runspace : System.Management.Automation.Runspaces.LocalRunspace
PS E:\> $PSVersionTable
Name Value
---- -----
PSVersion 5.1.14393.1944
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.14393.1944
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
PS E:\> $host.Version
Major Minor Build Revision
----- ----- ----- --------
5 1 14393 1944
PS E:\> $PSVersionTable.PSVersion
Major Minor Build Revision
----- ----- ----- --------
5 1 14393 1944
2018年3月26日 星期一
Get IP Address at CentOS 7
ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/'
ip -f inet a show eth0| grep inet| awk '{ print $2}' | cut -d/ -f1
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