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- BINDでキャッシュサーバ @01_linux:01_net
- nge round left 70%> # yum -y install bind caching-nameserver bind-chroot </box> ===== named.conf用意 ===== <box orange round left 90%> # cp -p /var/named/chroot/etc/named.caching-nameserver.conf /var/named/chroot/etc/named.conf </box> ===== named.conf ===
- 51 MySQLベンチマーク(mysqlslap) @01_linux:11_データベース:01_mysql
- f Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. R... generated tables. --auto-generate-sql-load-type=name Specify test load type: mi... on in server/client protocol. -c, --concurrency=name Number of clients to simulate for query to run. --create=name File or string to use create tables. --cr
- fio @01_linux:09_ベンチマーク
- ンチマーク ===== ==== シーケンシャルwrite ==== # fio -filename=/tmp/fio2g -direct=1 -rw=write -bs=4k -size=2G -numjobs=64 -runtime=10 -group_reporting -name=fio ==== ランダムwrite ==== # fio -filename=/tmp/fio2g -direct=1 -rw=randwrite -bs=4k -size=2G -numjobs=64 -runtime=10 -group_reporting -name=fio ==== シーケンシャルread ==== # fio -filename=/tm
- 41 CentOS7 NIC名変更 @01_linux:01_net
- それをethに変更してみます。 ===== grub変更 ===== grubに「biosdevname=0 net.ifnames=0」を追加 <code> # cp -p /etc/default/grub /etc/default/grub_yyyymmdd # vi /etc/default/grub ... ntos/root rd.lvm.lv=centos/swap rhgb quiet biosdevname=0 net.ifnames=0" GRUB_DISABLE_RECOVERY="true" </code> ==== 新しいgrub.cfg作成 ==== <code> # cp -p /boot/gru
- 01 PostgreSQL streaming replica @01_linux:11_データベース:02_postgresql
- で高可用性と読取に対するスケールアウトを実現するストリーミングレプリケーションを作成 ^hostname^IP^ |pg1001|172.16.0.51| |pg1002|172.16.0.52| |pg... List of databases Name | Owner | Encoding | Collate | Ctype | Ac... esql.auto.conf primary_conninfo = へ追加 application_name=postgresql ## Secondaryは下記をコメントアウト # grep synchronous_standby_names /data/postgresql.conf synchronous_standby_names
- 32 CentOS5でTLS1.2 Apache PHP @01_linux:02_www
- _xml.c:364: error: ‘apr_xml_parser’ has no member named ‘xp’ xml/apr_xml.c:365: error: ‘apr_xml_parser’ has no member named ‘xp’ xml/apr_xml.c: At top level: xml/apr_xml.c:... _xml.c:401: error: ‘apr_xml_parser’ has no member named ‘xp’ xml/apr_xml.c:402: error: ‘apr_xml_parser’ has no member named ‘xp’ xml/apr_xml.c:410: error: ‘apr_xml_parser’
- Apache バーチャルホスト一覧確認 @01_linux:02_www
- MP_VHOSTS VirtualHost configuration: wildcard NameVirtualHosts and _default_ servers: _default_:44... conf.d/ssl.conf:81) *:80 is a NameVirtualHost default server mail.flat8.co.... /etc/httpd/conf/httpd.conf:1028) port 80 namevhost mail.flat8.co.jp (/etc/httpd/conf/httpd.conf:1028) port 80 namevhost rikoji.flateight.com (/etc/httpd/conf/httpd.
- 04 Postfix+MySQL+Postfix AdminでバーチャルSMTPサーバの構築 @01_linux:03_mail
- = <code> # vi /etc/postfix/main.cf 70 myhostname = test.flateight.com 92 myorigin = $myhostname 107 #inet_interfaces = all 109 inet_interfaces = $myhostname, localhost 155 #mydestination = $myhostname, localhost.$mydomain, localhost 158 mydestination =
- 19 HPE Insight Management Agents Trap Alarm @01_linux:12_ツール
- ead/Write Authorized Management Station IP or DNS name (Blank to skip): Enter Read Only Authorized Management Station IP or DNS name (Blank to skip): Enter default SNMP trap communi... to skip): Enter SNMP trap destination IP or DNS name (One word; Blank to skip): The system contact is... -c -f <(echo -e "${EXCLUDE}")) -le 0 ] ;then NAME=${HOST}${HOSTNAME} if [ "${TO}" = "ZABBIX" ]
- 50 du: WARNING: Circular directory structure. @01_linux:01_net
- : WARNING: Circular directory structure. ====== namedをchrootで動かしている時は、dfのバグでこうなるようです。 https://bugzilla... he following directory is part of the cycle: `./named/chroot/var/named' </code> ===== ログ ===== ■chrootのnamedが動いている場合 <code console> # /etc/init.d/named status version: 9.
- 23 Apache vhost一覧 @01_linux:02_www
- i-https-vhost.conf:1) 127.0.0.1:80 is a NameVirtualHost default server status.localho... f/vhosts/00_status-vhost.conf:1) port 80 namevhost status.localhost (/opt/bitnami/apache/conf/vhosts/00_status-vhost.conf:1) port 80 namevhost www.example.com (/opt/bitnami/apache/conf/vh... wild alias * *:80 is a NameVirtualHost default server www.example.co
- 29 Ceph Dashboard @01_linux:13_storage
- c-user-create admin adminxxxx administrator {"username": "admin", "lastUpdate": 1592953680, "name": null, "roles": ["administrator"], "password": "$2b$12$iOz4... metheus: image: prom/prometheus container_name: prometheus environment: TZ: Asia/Tokyo... a: image: grafana/grafana:7.3.0 container_name: grafana environment: - TZ=Asia/Tokyo
- 01 ネットワーク設定nmcli @01_linux:21_centos7
- うになったので、いまさらメモ ===== 状態確認 ===== <code> # nmcli c NAME UUID TYPE ... up eth0 ===== ホスト名 ===== # nmcli general hostname proxy1001 ===== DNS ===== # nmcli c m eth0 ip... など # nmcli con mod "eth3" connection.interface-name eth3 新規コネクション追加 # nmcli con add type ethernet ifname eth3 con-name eth3 <color #ed1c24>※SoftEtherの場合、
- 04 CentOS7 古いカーネルで起動 @01_linux:21_centos7
- ntos/root rd.lvm.lv=centos/swap rhgb quiet biosdevname=0 net.ifnames=0 console=tty0 console=ttyS1,115200n8 spectre_v2=retpoline nopti LANG=en_US.UTF-8" root=/... ntos/root rd.lvm.lv=centos/swap rhgb quiet biosdevname=0 net.ifnames=0 console=tty0 console=ttyS1,115200n8 spectre_v2=retpoline nopti" root=/dev/mapper/centos
- 29 screenに外からコマンド @01_linux:99_その他
- $THREAD ] do N=`printf "%02d" "${i}"` SCREEN_NAME=${ZONE}-${N} LOG="${LOGDIR}/${ZONE}_${N}.log" ... pr $i + 1` if [ -n "`screen -ls | grep ${SCREEN_NAME}`" ]; then echo "already have session_name. ${SCREEN_NAME}" continue 2 fi screen -R ${SCREEN_NAME} sleep 1 screen -d ${SCREEN_NAME}
