1.mysql php 安裝依賴庫出錯
解決:
yum clean all
rpm --rebuilddb
2.status_module on提示73行報錯
解決:lamp安裝包/ src/ 安裝包名稱:
覆蓋3.nginx啟動缺少 pid
/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
cd /usr/local/nginx
cd logs ls
access.log error.log nginx.pid
4.linux 禁ping和開啟ping操作
# echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
如果要恢復,只要:
# echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all
即可,挺方便,不要去專門使用ipchains或者iptables了。
或者用以下方法也可以,異曲同工
以root進入linux系統,然後編輯檔案icmp_echo_ignore_all
vi /proc/sys/net/ipv4/icmp_echo_ignore_all
將其值改為1後為禁止ping
將其值改為0後為解除禁止ping
5.ssh安裝
[root@localhost ~]# yum install openssh-server
這樣就可以安裝好ssh-server了。
檢驗ssh是否安裝好了,可以用下面的命令:
[linuxidc@localhost ~]$ ssh -version
openssh_5.3p1, openssl 1.0.0-fips 29 mar 2010
bad escape character 'rsion'.
如果顯示上面的資訊,說明安裝好了ssh。
6.服務端設定
先 vi /etc/ssh/sshd_config ,開啟這兩個配置:
rsaauthentication yes
pubkeyauthentication yes
如果想禁止密碼登陸,設定:
passwordauthentication no
將客戶端發來的公鑰追加到~/.ssh/authorized_keys下面(公鑰生成見下文):
cat key.pub >> ~/.ssh/authorized_keys
echo >> ~/.ssh/authorized_keys #輸入乙個回車,以便下次追加從新的一行開始
然後重啟sshd服務:
#systemctl restart sshd.service
service sshd restart
解決辦法是需要安裝openssl以及ncurses元件
yum install -y openssl*
yum -y install ncurses-devel
[client]
#password = your_password
port = 3306
socket = /mnt/tmp/mysql.sock
[mysqld]
port = 3306
socket = /mnt/tmp/mysql.sock
datadir = /usr/local/mysql/var
#datadir = /mnt/mysql
tmpdir = /mnt/tmp
skip-external-locking
key_buffer_size = 1280m
max_allowed_packet = 100m
table_open_cache = 512
sort_buffer_size = 200m
net_buffer_length = 8k
read_buffer_size = 2m
read_rnd_buffer_size = 512k
myisam_sort_buffer_size = 32m
thread_cache_size = 64
query_cache_size = 64m
tmp_table_size = 64m
table_open_cache = 512
#skip-networking
max_connections = 500000
max_connect_errors = 100
open_files_limit = 65535
#log-bin=mysql-bin
#binlog_format=mixed
server-id = 1
expire_logs_days = 10
default_storage_engine = innodb
innodb_data_home_dir = /usr/local/mysql/var
innodb_data_file_path = ibdata1:10m:autoextend
innodb_log_group_home_dir = /usr/local/mysql/var
innodb_buffer_pool_size = 512m
innodb_additional_mem_pool_size = 2m
innodb_log_file_size = 128m
innodb_log_buffer_size = 8m
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
[mysqldump]
quick
max_allowed_packet = 16m
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 128m
sort_buffer_size = 2m
read_buffer = 2m
write_buffer = 2m
[mysqlhotcopy]
interactive-timeout
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