NVIDIA GeForce GTX 1070 / 1080 Ti 無螢幕超頻測試
在超頻前先用下列指令檢查是否能超頻，雖然沒意義但是還是看一下狀態 # nvidia-smi -q -d SUPPORTED_CLOCKS 因為平常沒有接顯示器所以設定起來有點麻煩 直接用 nvidia-settings -q all 會無法設定，所以要加工一下 # nvidia-settings -q all ERROR: The control display is undefined; …
ps command notes
ps -fC xxxx -C by command name -f full
set password for HP iLo
# set /map1/accounts1/root password=xxxxxxxxxx
檢查 ubuntu 某套件安裝部署的路徑
dpkg -L xxxxx
CentOS 7.x Setup LDAP Multi-Master Replication
edit your hosts file or configure dns server. the following commands you need to configure all of your ldap servers. install ldap …
CentOS 6.x setup postfix + opendkim
first, you need to enable epel. after you enabled epel. please install opendkim packages # yum install -y opendkim second, you need …
InfiniBand Test
# ibdiagnet -r -pc -P all=1 –pm_pause_time 600
sed 前後加文字
sed -i -e ‘s/^/lfs_migrate -y /’ scratch.txt 在每一行前面加入 lfs_migrate -y sed -i -e ‘s/$/ \&/’ scratch.txt 在每一行後面加入 & 符號
iperf 測試速度
$ iperf -c 172.23.1.51 -t 60 -i 5 ———————————————————— Client connecting to 172.23.1.51, TCP port 5001 TCP window size: 49.5 KByte (default) …
OpenSSH Legacy Options
Unable to negotiate with legacyhost: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1 $ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 username@xxx.xxx.xxx.xxx Unable to negotiate with …